Sei Institutional Investments Trust N-CSRS Certified semi-annual shareholder report (management investment company)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-CSRS

CERTIFIED SHAREHOLDER REPORT OF REGISTERED

MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number 811-07257

SEI Institutional Investments Trust

(Exact name of registrant as specified in charter)

SEI Investments

One Freedom Valley Drive

Oaks, PA 19456

(Address of principal executive offices) (Zip code)

Timothy D. Barto, Esq.

SEI Investments

One Freedom Valley Drive

Oaks, PA 19456

(Name and address of agent for service)

Registrant’s telephone number, including area code: 610-676-1000

Date of fiscal year end: May 31, 2022

Date of reporting period: November 30, 2021

Item 1. Reports to Stockholders.

November 30, 2021

SEMI-ANNUAL REPORT

SEI Institutional Investments Trust

❯ Large Cap Fund

❯ Large Cap Disciplined Equity Fund

❯ Large Cap Index Fund

❯ S&P 500 Index Fund

❯ Extended Market Index Fund

❯ Small Cap Fund

❯ Small Cap II Fund

❯ Small/Mid Cap Equity Fund

❯ U.S. Equity Factor Allocation Fund

❯ U.S. Managed Volatility Fund

❯ Global Managed Volatility Fund

❯ World Equity Ex-US Fund

❯ Screened World Equity Ex-US Fund

❯ World Select Equity Fund

❯ Emerging Markets Equity Fund

❯ Opportunistic Income Fund

❯ Core Fixed Income Fund

❯ High Yield Bond Fund

❯ Long Duration Fund

❯ Long Duration Credit Fund

❯ Ultra Short Duration Bond Fund

❯ Emerging Markets Debt Fund

❯ Real Return Fund

❯ Limited Duration Bond Fund

❯ Intermediate Duration Credit Fund

❯ Dynamic Asset Allocation Fund

❯ Multi-Asset Real Return Fund

Paper copies of the Funds’ shareholder reports are no longer sent by mail, unless you specifically request them from the Funds or from your financial intermediary, such as a broker-dealer or bank. Shareholder reports are available online and you will be notified by mail each time a report is posted on the Funds’ website and provided with a link to access the report online.

You may elect to receive all future reports in paper free of charge. If you invest through a financial intermediary, you can contact your financial intermediary to inform it that you wish to continue receiving paper copies of your shareholder reports. If you invest directly with the Funds, you can inform the Funds that you wish to continue receiving paper copies of your shareholder reports by calling 1-800-DIAL-SEI. Your election to receive reports in paper will apply to all funds held with the SEI Funds or your financial intermediary.

seic.com

TABLE OF CONTENTS

Summary Schedules of Investments/Schedules of Investments/Consolidated Summary Schedule of Investments/Consolidated Schedule of Investments	1
Statements of Assets and Liabilities/Consolidated Statements of Assets and Liabilities	328
Statements of Operations/Consolidated Statements of Operations	334
Statements of Changes in Net Assets/Consolidated Statements of Changes in Net Assets	340
Consolidated Statement of Cash Flows	348
Financial Highlights/Consolidated Financial Highlights	349
Notes to Financial Statements/Consolidated Notes to Financial Statements	354
Disclosure of Fund Expenses	393
Board of Trustees Considerations in Approving the Advisory and Sub-Advisory Agreements	395

The Trust files its complete schedule of portfolio holdings with the Securities and Exchange Commission for the first and third quarter of each fiscal year on Form N-PORT. The Trust’s Forms N-PORT are available on the Commission’s website at http://www.sec.gov.

A description of the policies and procedures that the Trust uses to determine how to vote proxies relating to portfolio securities, as well as information relating to how a Fund voted proxies relating to portfolio securities during the most recent 12-month period ended June 30, is available (i) without charge, upon request, by calling 1-800-DIAL-SEI; and (ii) on the Commission’s website at http://www.sec.gov.

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 97.5%
Communication Services — 6.3%
Alphabet Inc, Cl A *		0.4	%		1,509	$	4,282
Alphabet Inc, Cl C *		1.9			6,590		18,775
Meta Platforms Inc, Cl A *		0.8			22,956		7,448
Other Securities (A)		3.2					32,115
							62,620
Consumer Discretionary — 11.2%
Amazon.com Inc *		2.3			6,594		23,125
General Motors Co *		0.6			107,098		6,198
Lowe's Cos Inc		1.2			47,309		11,571
NIKE Inc, Cl B		0.6			34,047		5,762
Target Corp		0.8			31,675		7,724
Tesla Inc *		0.8			6,494		7,434
Other Securities		4.9					49,780
							111,594
Consumer Staples — 7.2%
Kroger Co/The		0.5			130,560		5,422
Philip Morris International Inc		0.8			89,509		7,693
Unilever PLC ADR		0.8			150,544		7,655
Other Securities		5.1					50,506
							71,276
Energy — 2.5%
Chevron Corp		0.9			81,573		9,207
Exxon Mobil Corp		0.6			95,557		5,718
Other Securities		1.0					9,930
							24,855
Financials — 15.0%
Bank of America Corp		0.9			196,810		8,752
Berkshire Hathaway Inc, Cl B *		0.9			32,092		8,880
Charles Schwab Corp/The		0.6			77,439		5,993
Citigroup Inc		0.7			110,256		7,023
First Republic Bank/CA		0.9			41,854		8,775
JPMorgan Chase & Co		0.7			44,322		7,040
Markel Corp *		0.6			4,829		5,770

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Moody's Corp		0.6	%		16,071	$	6,278
Morgan Stanley		0.9			90,438		8,575
State Street Corp		0.7			79,981		7,116
US Bancorp		0.7			125,826		6,963
Other Securities ‡		6.8					68,726
							149,891
Health Care — 13.7%
Amgen Inc		0.6			29,810		5,928
CVS Health Corp		0.9			102,775		9,153
Johnson & Johnson		1.7			106,828		16,658
Medtronic PLC		0.6			55,982		5,973
Merck & Co Inc		0.9			124,453		9,323
Mettler-Toledo International Inc *		0.6			3,771		5,710
Pfizer Inc		1.4			262,799		14,120
UnitedHealth Group Inc		1.1			25,292		11,235
Other Securities		5.9					57,762
							135,862
Industrials — 9.8%
Honeywell International Inc		0.7			31,685		6,408
TransDigm Group Inc *		0.7			12,702		7,342
United Parcel Service Inc, Cl B		0.8			38,150		7,568
Other Securities (A)		7.6					75,419
							96,737
Information Technology — 23.9%
Adobe Inc *		1.3			19,650		13,163
Apple Inc		2.8			165,750		27,398
Applied Materials Inc		0.6			41,555		6,117
Broadcom Inc		0.7			12,641		6,999
Cisco Systems Inc/Delaware		0.8			138,114		7,574
Intel Corp		1.0			202,531		9,964
Intuit Inc		1.5			21,968		14,330
Microchip Technology Inc		1.1			126,185		10,528
Microsoft Corp		3.6			107,340		35,485
NVIDIA Corp		0.9			28,122		9,189
salesforce.com *		1.0			34,611		9,863
Visa Inc, Cl A		0.7			33,627		6,516
Other Securities		7.9					79,064
							236,190
Materials — 3.7%
Air Products and Chemicals Inc		0.6			19,074		5,483
Other Securities		3.1					31,353
							36,836
Real Estate — 2.5%
American Tower Corp, Cl A ‡		0.6			21,568		5,661
Other Securities ‡		1.9					19,670
							25,331
Utilities — 1.7%
NextEra Energy Inc		0.6			63,421		5,504

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

1

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Other Securities		1.1	%			$	10,941
							16,445
Total Common Stock
(Cost $639,864) ($ Thousands)							967,637
AFFILIATED PARTNERSHIP — 0.5%
SEI Liquidity Fund, L.P.
0.020% **†(B)		0.5			5,250,179		5,253
Total Affiliated Partnership
(Cost $5,251) ($ Thousands)							5,253

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 2.1%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		2.1	%		21,224,588	$	21,225
Total Cash Equivalent
(Cost $21,225) ($ Thousands)							21,225
Total Investments in Securities — 100.1%
(Cost $666,340)($ Thousands)						$	994,115

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
S&P 500 Index E-MINI		48		Dec-2021	$	10,745	$	10,959	$	214
S&P Mid Cap 400 Index E-MINI		5		Dec-2021		1,421		1,353		(68	)
					$	12,166	$	12,312	$	146

	Percentages are based on a Net Assets of $992,717 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $5,109 ($ Thousands).
(B)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $5,253 ($ Thousands).

ADR — American Depositary Receipt

Cl — Class

L.P. — Limited Partnership

PLC — Public Limited Company

S&P— Standard & Poor's

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		967,637		–		–		967,637
Affiliated Partnership		–		5,253		–		5,253
Cash Equivalent		21,225		–		–		21,225
Total Investments in Securities		988,862		5,253		–		994,115

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		214			–		–		214
Unrealized Depreciation		(68	)		–		–		(68	)
Total Other Financial Instruments		146			–		–		146

* Futures contracts are valued at the unrealized appreciation/(depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

2

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain/(Loss)		Change in Unrealized Appreciation/ (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	625	$	38,652	$	(34,024	)	$	—	$	—	$	5,253		5,250,179	$	11	$	—
SEI Daily Income Trust, Government Fund, Cl F		22,716		190,852		(192,343	)		—		—		21,225		21,224,588		1		—
Totals	$	23,341	$	229,504	$	(226,367	)	$	—	$	—	$	26,478			$	12	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

3

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Disciplined Equity Fund

^† Percentages are based on total investments.

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 90.9%
Communication Services — 4.6%
Alphabet Inc, Cl A *		0.9	%		4,866	$	13,810
Alphabet Inc, Cl C *		0.8			4,581		13,051
Meta Platforms Inc, Cl A *		1.4			69,003		22,388
Other Securities		1.5					27,273
							76,522
Consumer Discretionary — 8.9%
Amazon.com Inc *		1.3			6,315		22,147
Dollar General Corp		0.5			41,166		9,110
Home Depot Inc/The		0.9			39,841		15,960
Lowe's Cos Inc		0.7			45,698		11,177
Ralph Lauren Corp, Cl A		0.5			70,331		8,161
Tesla Inc *		0.7			10,226		11,706
Other Securities		4.3					70,332
							148,593
Consumer Staples — 6.1%
Coca-Cola Co/The		0.6			202,364		10,614
Coca-Cola Europacific Partners PLC		0.5			176,669		8,722
Costco Wholesale Corp		0.9			28,041		15,125
Walmart Inc		0.8			91,130		12,816
Other Securities		3.3					53,652
							100,929
Energy — 3.0%
Baker Hughes Co, Cl A		0.7			490,914		11,458
Exxon Mobil Corp		0.7			191,120		11,436
Other Securities		1.6					26,749
							49,643
Financials — 12.1%
Bank of America Corp		1.0			355,849		15,825
Berkshire Hathaway Inc, Cl B *		0.6			34,828		9,637
Capital One Financial Corp		0.8			96,626		13,579
Citigroup Inc		0.5			123,198		7,848
JPMorgan Chase & Co		0.7			75,932		12,060

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Progressive Corp/The		0.5	%		95,130	$	8,841
Synchrony Financial		0.8			306,901		13,746
Willis Towers Watson PLC		0.6			46,186		10,431
Other Securities		6.6					106,578
							198,545
Health Care — 13.0%
CVS Health Corp		0.8			156,241		13,915
Humana Inc		0.6			24,935		10,466
Johnson & Johnson		1.3			135,100		21,066
Medtronic PLC		0.8			113,891		12,152
Pfizer Inc		0.5			164,496		8,839
UnitedHealth Group Inc		1.9			71,569		31,792
Other Securities		7.1					116,252
							214,482
Industrials — 9.2%
Deere & Co		0.5			26,062		9,005
Honeywell International Inc		0.8			67,423		13,636
Ingersoll Rand Inc		0.5			133,786		7,805
Parker-Hannifin Corp		0.5			27,532		8,316
Stanley Black & Decker Inc		0.8			78,109		13,650
United Parcel Service Inc, Cl B		0.6			46,446		9,213
Other Securities		5.5					91,671
							153,296
Information Technology — 24.3%
Apple Inc		4.8			485,196		80,203
Automatic Data Processing Inc		0.5			33,821		7,809
Broadcom Inc		1.2			35,158		19,466
Cisco Systems Inc/Delaware		0.7			215,391		11,812
Global Payments Inc		0.8			109,300		13,011
Intuit Inc		0.5			12,256		7,995
Microsoft Corp		4.6			230,781		76,294
Motorola Solutions Inc		0.7			42,576		10,779
NVIDIA Corp		1.6			81,950		26,778
Oracle Corp		0.5			95,492		8,665
QUALCOMM Inc		0.8			75,007		13,543
Visa Inc, Cl A		0.7			56,256		10,901
Other Securities		6.9					116,378
							403,634
Materials — 4.0%
Air Products and Chemicals Inc		0.6			33,515		9,634
PPG Industries Inc		0.5			53,381		8,230
Other Securities		2.9					48,496
							66,360
Real Estate — 2.9%
Crown Castle International Corp ‡		0.5			50,085		9,098
Other Securities ‡		2.4					38,520
							47,618

4

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 2.8%
NextEra Energy Inc		0.7	%		133,872	$	11,617
Other Securities		2.1					34,307
							45,924
Total Common Stock
(Cost $1,185,297) ($ Thousands)							1,505,546

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 3.6%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		3.6	%		59,603,898	$	59,604
Total Cash Equivalent
(Cost $59,604) ($ Thousands)							59,604
Total Investments in Securities — 94.5%
(Cost $1,244,901)($ Thousands)						$	1,565,150

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation (Thousands)
Long Contracts
S&P 500 Index E-MINI		123		Dec-2021	$	28,050	$	28,082	$	32

A list of the open OTC Swap agreement held by the Fund at November 30, 2021, is as follows:

Total Return Swaps

Counterparty

Reference Entity/ Obligation

Fund Pays

Fund Receives

Payment Frequency

Termination Date

Currency

Notional Amount (Thousands)

Value (Thousands)

Upfront Payments/ Receipts (Thousands)

Net Unrealized Appreciation (Thousands)

Bank of America Merrill Lynch

United States Custom Basket of Securities

1 Month + 0.15

%

Asset Returns

Monthly

02/28/2022

USD

89,438

$

3,803

$

–

$

3,803

$

3,803

$

–

$

3,803

The following table represents the individual stock exposures comprising the Custom Basket Total Return Swap as of November 30, 2021:

United States Custom Basket of Long Securities

Shares		Description	Currency		Notional Amount (Thousands)		Net Unrealized Appreciation (Depreciation) (Thousands)			Fair Value (Thousands)			Percentage Value of Underlying Investment
	16,400	AGILON HEALTH INC		USD	$	397	$	(36	)	$	(36	)		0.65	%
	8,900	ALASKA AIR GROUP INC		USD		495		(68	)		(68	)		1.23
	6,226	ALPHABET INC-CL A		USD		18,485		(367	)		(367	)		6.62
	32,600	ALTRIA GROUP INC		USD		1,474		(83	)		(83	)		1.50
	5,848	AMAZON.COM INC		USD		20,735		89			89			(1.61	)
	689	ANTHEM INC		USD		299		(18	)		(18	)		0.32
	4,341	BECTON DICKINSON AND CO		USD		1,058		(9	)		(9	)		0.16
	52,700	BJ'S WHOLESALE C		USD		3,290		231			231			(4.17	)
	1,113	BOOKING HOLDINGS INC		USD		2,677		(336	)		(336	)		6.06
	-	BOYD GAMING CORP		USD		-		(7	)		(7	)		0.13
	-	CALLAWAY GOLF COMPANY		USD		-		(7	)		(7	)		0.13
	6,748	CHARTER COMMUN-A		USD		4,654		(225	)		(225	)		4.06
	15,500	CORTEVA INC		USD		750		(44	)		(44	)		0.79
	193,500	COTY INC-CL A		USD		2,096		(254	)		(254	)		4.58
	-	CRACKER BARREL		USD		-		74			74			(1.34	)
	3,100	CROWDSTRIKE HO-A		USD		788		(112	)		(112	)		2.02
	2,400	ELASTIC NV		USD		438		(54	)		(54	)		0.97
	54,300	EXELIXIS INC		USD		981		(84	)		(84	)		1.52
	23,700	EXPEDIA GROUP INC		USD		4,209		(392	)		(392	)		7.08
	205,300	FIRST HORIZON CORP		USD		3,537		(196	)		(196	)		3.54
	-	FUBOTV INC		USD		-		18			18			(0.32	)

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

5

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Disciplined Equity Fund (Continued)

Shares		Description	Currency		Notional Amount (Thousands)		Net Unrealized Appreciation (Depreciation) (Thousands)			Fair Value (Thousands)			Percentage Value of Underlying Investment
	8,400	GENERAL MILLS INC		USD		$ 535		$ (7	)		$ (7	)		0.13	%
	42,600	GILEAD SCIENCES INC		USD		2,863		105			105			(1.90	)
	26,600	HARTFORD FINL SV		USD		1,924		(127	)		(127	)		2.29
	258,900	HEWLETT PACKA		USD		3,806		(106	)		(106	)		1.91
	22,200	HOULIHAN LOKEY INC		USD		2,581		(139	)		(139	)		2.51
	14,738	HUNTINGTON INGAL		USD		2,806		(163	)		(163	)		2.94
	1,400	IAC/INTERACTIVECORP		USD		191		(8	)		(8	)		0.14
	23,900	INCYTE CORP		USD		1,558		46			46			(0.83	)
	8,500	JANUS HENDERSON GROUP PLC		USD		405		(34	)		(34	)		0.61
	-	KNIGHT-SWIFT TRA		USD		-		(21	)		(21	)		0.38
	-	LEMONADE INC		USD		-		77			77			(1.39	)
	10,126	LENNOX INTERNATIONAL INC		USD		3,186		16			16			(0.29	)
	69,700	LEVI STRAUSS & CO		USD		1,895		(115	)		(115	)		2.08
	30,300	MARSH & MCLENNAN COS		USD		5,071		(33	)		(33	)		0.60
	11,800	MCKESSON CORP		USD		2,619		(4	)		(4	)		0.07
	-	MODERNA INC		USD		-		12			12			(0.22	)
	5,801	MONGODB INC		USD		3,260		(330	)		(330	)		5.96
	8,700	MONSTER BEVERAGE CORP		USD		788		(41	)		(41	)		0.74
	6,816	MSCI INC		USD		4,505		(159	)		(159	)		2.87
	-	NETAPP INC		USD		-		35			35			(0.63	)
	54,500	NEWS CORP - CLASS A		USD		1,279		(98	)		(98	)		1.77
	33,500	NIKE INC -CL B		USD		5,656		3			3			(0.05	)
	-	NIKOLA CORP		USD		-		35			35			(0.63	)
	102,100	NRG ENERGY INC		USD		3,745		(81	)		(81	)		1.46
	52,379	OLIN CORP		USD		3,338		(464	)		(464	)		8.38
	24,600	ORGANON & CO		USD		821		(91	)		(91	)		1.64
	7,000	PALO ALTO NETWORKS INC		USD		3,626		227			227			(4.10	)
	25,600	PENSKE AUTOMOTIV		USD		2,813		(237	)		(237	)		4.28
	55,500	PHILIP MORRIS IN		USD		5,292		(496	)		(496	)		8.95
	25,000	POST HOLDINGS INC		USD		2,691		(239	)		(239	)		4.31
	13,941	PUBLIC STORAGE		USD		4,625		9			9			(0.16	)
	4,700	QUALCOMM INC		USD		858		(8	)		(8	)		0.14
	24,100	RAPID7 INC		USD		3,193		(159	)		(159	)		2.87
	26,700	REINSURANCE GROU		USD		2,989		(410	)		(410	)		7.40
	19,100	RELIANCE STEEL & ALUMINUM		USD		3,153		(252	)		(252	)		4.55
	29,900	SCHNEIDER NATL-B		USD		783		(33	)		(33	)		0.60
	32,600	STARBUCKS CORP		USD		3,647		(28	)		(28	)		0.51
	58,000	SYNOVUS FINANCIAL CORP		USD		2,863		(202	)		(202	)		3.65
	33,200	TARGA RESOURCES CORP		USD		1,831		(99	)		(99	)		1.79
	10,563	TESLA INC		USD		10,704		1,425			1,425			(25.72	)
	8,400	TJX COMPANIES INC		USD		582		(2	)		(2	)		0.04
	24,500	UNITED PARCEL-B		USD		5,160		(245	)		(245	)		4.42
	15,700	UNIVERSAL HLTH-B		USD		2,008		(118	)		(118	)		2.13
	5,600	VAIL RESORTS INC		USD		1,966		(143	)		(143	)		2.58
	6,200	VEEVA SYSTEMS INC-CLASS A		USD		1,956		(177	)		(177	)		3.19
	64,400	Vistra Corp.		USD		1,318		(24	)		(24	)		0.43
	5,000	WALT DISNEY CO/THE		USD		792		(69	)		(69	)		1.25
	-	WELLS FARGO & CO		USD		-		4			4			(0.07	)
	25,600	WESTLAKE CHEMICAL CORP		USD		2,647		(251	)		(251	)		4.53
	44,700	WESTROCK CO		USD		2,196		(202	)		(202	)		3.65
	-	ZENDESK INC		USD		-		1			1			(0.02	)
	17,306	ZOOMINFO TECHNOLOGIES INC		USD		1,307		(243	)		(243	)		4.39
	7,600	ZSCALER INC		USD		2,628		3			3			(0.05	)
					$	190,823	$	(5,540	)	$	(5,540	)	$	100.00	%

6

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

United States Custom Basket of Short Securities

Shares			Description	Currency		Notional Amount (Thousands)			Net Unrealized Appreciation (Depreciation) (Thousands)			Fair Value (Thousands)			Percentage Value of Underlying Investment
	(21,600	)	ADAPTIVE BIOTECHNOLOGIES		USD	$	(704	)	$	135		$	135			1.44	%
	(6,200	)	AFFIRM HLDGS INC		USD		(918	)		137			137			1.47
	(3,200	)	AGREE REALTY CORP		USD		(226	)		6			6			0.06
	(300	)	ALLAKOS INC		USD		(25	)		1			1			0.01
	(145,200	)	AMCOR PLC		USD		(1,799	)		100			100			1.07
	(74,000	)	AMERICOLD REALTY TRUST		USD		(2,306	)		(101	)		(101	)		(1.08	)
	(19,400	)	AMERIS BANCORP		USD		(1,047	)		101			101			1.08
	(12,800	)	ARAMARK		USD		(486	)		55			55			0.59
	(20,700	)	ASANA INC - CL A		USD		(2,823	)		713			713			7.63
	(23,700	)	ATMOS ENERGY CORP		USD		(2,280	)		79			79			0.85
	(16,000	)	AVANGRID INC		USD		(816	)		(10	)		(10	)		(0.11	)
	(21,300	)	BEYOND MEAT INC		USD		(1,785	)		289			289			3.09
	(21,800	)	BLACKSTONE MOR-A		USD		(730	)		68			68			0.73
	(36,000	)	BLUE OWL CAPITAL		USD		(577	)		24			24			0.26
	(7,600	)	BRAZE INC COM CL A		USD		(565	)		(13	)		(13	)		(0.14	)
	(18,200	)	BRIDGEBIO PHARMA INC		USD		(877	)		166			166			1.78
	(4,200	)	C3.AI INC-A		USD		(203	)		49			49			0.52
	(12,200	)	CADENCE BANK		USD		(381	)		25			25			0.27
	(1,600	)	CAESARS ENTERTAINMENT INC		USD		(167	)		26			26			0.28
	(2,400	)	CARMAX INC		USD		(359	)		14			14			0.15
	(40,400	)	CCC INTELLIGENT SOLUTIONS HLD		USD		(520	)		(1	)		(1	)		(0.01	)
	(2,900	)	CELSIUS HOLDINGS INC		USD		(226	)		24			24			0.26
	(8,900	)	CEREVEL THERAPEU		USD		(345	)		72			72			0.77
	(8,400	)	CHART INDUSTRIES INC		USD		(1,621	)		153			153			1.64
	(4,800	)	CIVITAS RESOURCES INC		USD		(250	)		2			2			0.02
	(27,000	)	CLEARWAY ENERGY INC-C		USD		(1,023	)		2			2			0.02
	(110,000	)	CLEVELAND-CLIFFS INC		USD		(2,389	)		179			179			1.92
	(9,300	)	DARDEN RESTAURANTS INC		USD		(1,379	)		96			96			1.03
	(27,500	)	DRAFTKINGS INC - CL A		USD		(1,082	)		159			159			1.70
	(15,600	)	EBAY INC		USD		(1,158	)		90			90			0.96
	(11,400	)	ELEMENT SOLUTIONS INC		USD		(292	)		30			30			0.32
	(2,400	)	ENVESTNET INC		USD		(199	)		17			17			0.18
	(96,600	)	EQUITRANS MIDSTREAM CORP		USD		(1,007	)		68			68			0.73
	(40,400	)	ESSENTIAL UTILITIES INC		USD		(1,921	)		(32	)		(32	)		(0.34	)
	(26,700	)	EVERSOURCE ENERGY		USD		(2,229	)		(36	)		(36	)		(0.39	)
	(14,700	)	FASTLY INC - CLASS A		USD		(729	)		150			150			1.61
	(2,300	)	FATE THERAPEUTICS INC		USD		(124	)		3			3			0.03
	(2,233	)	FIRST CITIZENS-A		USD		(1,888	)		56			56			0.60
	(25,000	)	FIRST FINL BANKSHARES INC		USD		(1,360	)		114			114			1.22
	(13,400	)	FIRST SOLAR INC		USD		(1,505	)		196			196			2.10
	(4,000	)	GLACIER BANCORP INC		USD		(239	)		21			21			0.22
	(1,600	)	GOOSEHEAD INSU-A		USD		(226	)		7			7			0.07
	(8,000	)	HALLIBURTON CO		USD		(178	)		5			5			0.05
	(7,700	)	HAMILTON LANE INC-CLASS A		USD		(862	)		46			46			0.49
	(5,200	)	HANNON ARMSTRONG		USD		(325	)		27			27			0.29
	(1,700	)	HELEN OF TROY LTD		USD		(418	)		4			4			0.04
	(8,200	)	HORMEL FOODS CORP		USD		(356	)		8			8			0.09
	(6,500	)	INTELLIA THERAPEUTICS INC		USD		(868	)		142			142			1.52
	(7,300	)	INTL FLAVORS & FRAGRANCES		USD		(1,112	)		65			65			0.70
	(53,100	)	INVITAE CORP		USD		(1,141	)		244			244			2.61
	(7,200	)	ITT INC		USD		(748	)		50			50			0.54
	(18,400	)	JBG SMITH PROPERTIES		USD		(565	)		37			37			0.40
	(3,600	)	KARUNA THERAPEUTICS INC		USD		(487	)		37			37			0.40
	(14,800	)	KB HOME		USD		(625	)		24			24			0.26

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

7

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Disciplined Equity Fund (Concluded)

Shares			Description	Currency		Notional Amount (Thousands)			Net Unrealized Appreciation (Depreciation) (Thousands)			Fair Value (Thousands)			Percentage Value of Underlying Investment
	(11,400	)	KIMBERLY-CLARK CORP		USD	$	(1,536	)	$	12		$	12			0.13	%
	(5,000	)	KINSALE CAPITAL GROUP INC		USD		(1,010	)		(33	)		(33	)		(0.35	)
	(1,800	)	KODIAK SCIENCES INC		USD		(188	)		26			26			0.28
	(2,500	)	LANCASTER COLONY CORP		USD		(401	)		26			26			0.28
	(56,900	)	LAS VEGAS SANDS CORP		USD		(2,352	)		327			327			3.50
	(37,200	)	LEGGETT & PLATT INC		USD		(1,658	)		163			163			1.74
	(14,600	)	LEIDOS HOLDINGS INC		USD		(1,377	)		72			72			0.77
	(12,400	)	LIBERTY BROADBAND-C		USD		(2,090	)		147			147			1.57
	(700	)	LINDE PLC		USD		(234	)		11			11			0.12
	(41,900	)	MACERICH CO/THE		USD		(879	)		77			77			0.82
	(4,900	)	MIRATI THERAPEUTICS INC		USD		(690	)		23			23			0.25
	(21,300	)	NEW FORTRESS ENERGY INC		USD		(577	)		58			58			0.62
	(14,300	)	NEXTERA ENERGY PARTNERS		USD		(1,248	)		35			35			0.37
	(56,700	)	NORWEGIAN CRUISE		USD		(1,446	)		350			350			3.75
	(13,900	)	NOVOCURE LTD		USD		(1,563	)		218			218			2.33
	(36,300	)	OAK STREET HEALTH INC		USD		(1,447	)		315			315			3.37
	(54,600	)	OGE ENERGY CORP		USD		(1,908	)		10			10			0.11
	(81,500	)	OPENDOOR TECHNOLOGIES INC		USD		(1,839	)		568			568			6.08
	(2,300	)	ORMAT TECHNOLOGIES INC		USD		(183	)		7			7			0.07
	(7,700	)	OVERSTOCK.COM INC		USD		(825	)		151			151			1.62
	(55,400	)	OWL ROCK CAPITAL		USD		(799	)		30			30			0.32
	(237,800	)	P G & E CORP		USD		(2,944	)		78			78			0.83
	(10,700	)	PACKAGING CORP OF AMERICA		USD		(1,443	)		30			30			0.32
	(3,600	)	Q2 HOLDINGS INC		USD		(313	)		29			29			0.31
	(1,500	)	QUAKER CHEMICAL		USD		(409	)		71			71			0.76
	(43,300	)	QUANTUMSCAPE CORP		USD		(1,757	)		524			524			5.61
	(7,300	)	RAYONIER INC		USD		(286	)		7			7			0.07
	(11,300	)	REDFIN CORP		USD		(519	)		72			72			0.77
	(22,800	)	REYNOLDS CONSUME		USD		(683	)		3			3			0.03
	(8,700	)	ROYAL GOLD INC		USD		(922	)		36			36			0.39
	(5,900	)	SAFEHOLD INC		USD		(430	)		9			9			0.10
	(10,100	)	SAREPTA THERAPEUTICS INC		USD		(847	)		56			56			0.60
	(15,500	)	SCIENTIFIC GAMES CORP		USD		(1,024	)		41			41			0.44
	(2,300	)	SENSIENT TECHNOL		USD		(237	)		12			12			0.13
	(16,300	)	SENTINELONE INC		USD		(1,166	)		288			288			3.08
	(14,500	)	SOUTHSTATE CORP		USD		(1,220	)		82			82			0.88
	(3,300	)	SPS COMMERCE INC		USD		(487	)		22			22			0.24
	(20,900	)	SUNNOVA ENERGY I		USD		(876	)		123			123			1.32
	(8,200	)	SUNPOWER CORP		USD		(259	)		26			26			0.28
	(10,100	)	TOAST INC		USD		(485	)		43			43			0.46
	(24,100	)	TRIPADVISOR INC		USD		(740	)		122			122			1.31
	(2,700	)	TRUPANION INC		USD		(370	)		40			40			0.43
	(30,900	)	TUSIMPLE HOLDINGS INC - A		USD		(1,235	)		13			13			0.14
	(5,900	)	TWIST BIOSCIENCE CORP		USD		(655	)		102			102			1.09
	(100	)	UPSTART HOLDINGS INC		USD		(23	)		2			2			0.02
	(232,200	)	UWM HOLDINGS CORP		USD		(1,591	)		(29	)		(29	)		(0.31	)
	(22,600	)	VF CORP		USD		(1,746	)		126			126			1.35
	(18,118	)	VIRGIN GALACTIC		USD		(344	)		63			63			0.67
	(34,200	)	WENDY'S CO/THE		USD		(750	)		39			39			0.42
	(16,400	)	WOLFSPEED INC		USD		(2,256	)		295			295			3.16
	(27,000	)	WYNN RESORTS LTD		USD		(2,647	)		502			502			5.37
						$	(101,385	)	$	9,343		$	9,343			100.00	%

	Percentages are based on a Net Assets of $1,656,810 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.

^† Investment in Affiliated Security (see Note 6).

Cl — Class

8

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

PLC — Public Limited Company

S&P— Standard & Poor's

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		1,505,546		–		–		1,505,546
Cash Equivalent		59,604		–		–		59,604
Total Investments in Securities		1,565,150		–		–		1,565,150

Other Financial Instruments	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		32		–		–		32
OTC Swaps
Total Return Swaps*
Unrealized Appreciation		–		3,803		–		3,803
Total Other Financial Instruments		32		3,803		–		3,835

* Futures and swap contracts are valued at the unrealized appreciation on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	—	$	3,789	$	(3,789	)	$	—	$	—	$	—		—	$	—	$	—
SEI Daily Income Trust, Government Fund, Cl F		81,714		503,412		(525,522	)		—		—		59,604		59,603,898		4		—
Totals	$	81,714	$	507,201	$	(529,311	)	$	—	$	—	$	59,604			$	4	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

9

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Index Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 99.6%
Communication Services — 9.7%
Alphabet Inc, Cl A *		2.0	%		15,629	$	44,354
Alphabet Inc, Cl C *		1.9			14,599		41,593
AT&T Inc		0.4			371,185		8,474
Comcast Corp, Cl A		0.5			237,450		11,868
Meta Platforms Inc, Cl A *		1.8			124,500		40,395
Netflix Inc *		0.6			22,400		14,379
Verizon Communications Inc		0.5			215,676		10,842
Walt Disney Co/The		0.6			94,650		13,715
Other Securities (A)		1.4					33,129
							218,749
Consumer Discretionary — 12.9%
Amazon.com Inc *		3.5			22,589		79,221
Home Depot Inc/The		1.0			55,115		22,079
Lowe's Cos Inc		0.4			36,610		8,954
McDonald's Corp		0.4			38,880		9,510
NIKE Inc, Cl B		0.5			64,468		10,911
Tesla Inc *		2.1			41,485		47,490
Other Securities (A)		5.0					113,561
							291,726
Consumer Staples — 5.2%
Coca-Cola Co/The		0.5			202,040		10,597
Costco Wholesale Corp		0.5			22,981		12,395
PepsiCo Inc		0.5			71,952		11,496
Procter & Gamble Co/The		0.8			126,454		18,283
Walmart Inc		0.5			74,679		10,502
Other Securities (A)		2.4					54,607
							117,880
Energy — 2.6%
Chevron Corp		0.5			100,698		11,366
Exxon Mobil Corp		0.6			219,638		13,143
Other Securities		1.5					33,357
							57,866
Financials — 11.2%
Bank of America Corp		0.8			384,463		17,097
Berkshire Hathaway Inc, Cl B *		1.2			96,500		26,701

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
JPMorgan Chase & Co		1.1	%		153,934	$	24,449
SEI Investments Co †		0.0			5,942		354
Wells Fargo & Co		0.5			215,266		10,285
Other Securities ‡(A)(B)		7.6					172,818
							251,704
Health Care — 12.5%
Abbott Laboratories		0.5			90,337		11,362
AbbVie Inc		0.5			91,901		10,594
Danaher Corp		0.5			33,002		10,615
Eli Lilly & Co		0.5			44,071		10,931
Johnson & Johnson		0.9			136,909		21,348
Merck & Co Inc		0.4			131,843		9,876
Pfizer Inc		0.7			289,722		15,567
Thermo Fisher Scientific Inc		0.6			20,325		12,862
UnitedHealth Group Inc		1.0			48,920		21,731
Other Securities (A)		6.9					157,850
							282,736
Industrials — 8.4%
Other Securities (A)		8.4					189,732
Information Technology — 29.3%
Accenture PLC, Cl A		0.5			33,000		11,794
Adobe Inc *		0.7			24,802		16,614
Advanced Micro Devices Inc *		0.5			63,200		10,009
Apple Inc		6.0			815,900		134,868
Broadcom Inc		0.5			20,732		11,479
Cisco Systems Inc/Delaware		0.5			220,027		12,066
Intel Corp		0.5			210,258		10,345
Intuit Inc		0.4			13,252		8,644
Mastercard Inc, Cl A		0.6			45,400		14,297
Microsoft Corp		5.7			391,600		129,459
NVIDIA Corp		1.8			124,524		40,689
PayPal Holdings Inc *		0.5			60,911		11,262
QUALCOMM Inc		0.5			58,659		10,591
salesforce.com Inc *		0.6			47,918		13,655
Texas Instruments Inc		0.4			48,008		9,235
Visa Inc, Cl A		0.8			87,900		17,032
Other Securities (A)		8.8					202,043
							664,082
Materials — 2.3%
Other Securities (A)		2.3					51,424
Real Estate — 3.2%
Other Securities ‡(A)		3.2					71,550

10

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 2.3%
NextEra Energy Inc		0.4	%		101,892	$	8,842
Other Securities		1.9					43,187
							52,029
Total Common Stock
(Cost $545,290) ($ Thousands)							2,249,478
AFFILIATED PARTNERSHIP — 0.5%
SEI Liquidity Fund, L.P.
0.020% **†(C)		0.5			11,207,859		11,206
Total Affiliated Partnership
(Cost $11,209) ($ Thousands)							11,206

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 0.3%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		0.3	%		6,049,491	$	6,049
Total Cash Equivalent
(Cost $6,049) ($ Thousands)							6,049
Total Investments in Securities — 100.4%
(Cost $562,548)($ Thousands)						$	2,266,733

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation (Thousands)
Long Contracts
S&P 500 Index E-MINI		29		Dec-2021	$	6,485	$	6,621	$	136
S&P Mid Cap 400 Index E-MINI		5		Dec-2021		1,353		1,353		–
					$	7,838	$	7,974	$	136

	Percentages are based on a Net Assets of $2,257,440 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $11,635 ($ Thousands).
(B)	Security is a Master Limited Partnership. At November 30, 2021, such securities amounted to $175 ($ Thousands), or 0.0% of Net Assets of the Fund (see Note 2).
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $11,206 ($ Thousands).

Cl — Class

L.P. — Limited Partnership

PLC — Public Limited Company

S&P — Standard & Poor's

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		2,249,478		–		–		2,249,478
Affiliated Partnership		–		11,206		–		11,206
Cash Equivalent		6,049		–		–		6,049
Total Investments in Securities		2,255,527		11,206		–		2,266,733

Other Financial Instruments	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		136		–		–		136
Total Other Financial Instruments		136		–		–		136

* Futures contracts are valued at the unrealized appreciation on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

11

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Large Cap Index Fund (Concluded)

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Investment Co.	$	428	$	—	$	(49	)	$	32	$	(57	)	$	354		5,942	$	2	$	—
SEI Liquidity Fund, L.P.		10,182		40,064		(39,038	)		—		(2	)		11,206		11,207,859		24		—
SEI Daily Income Trust, Government Fund, Cl F		2,414		228,402		(224,767	)		—		—			6,049		6,049,491		—		—
Totals	$	13,024	$	268,466	$	(263,854	)	$	32	$	(59	)	$	17,609			$	26	$	-

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

12

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

S&P 500 Index Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 98.9%
Communication Services — 10.2%
Alphabet Inc, Cl A *		2.2	%		46,341	$	131,513
Alphabet Inc, Cl C *		2.1			43,363		123,543
Comcast Corp, Cl A		0.6			704,848		35,228
Meta Platforms Inc, Cl A *		2.0			366,678		118,972
Netflix Inc *		0.7			68,079		43,700
Verizon Communications Inc		0.5			637,152		32,030
Walt Disney Co/The		0.7			279,619		40,517
Other Securities (A)		1.4					91,985
							617,488
Consumer Discretionary — 13.0%
Amazon.com Inc *		3.9			66,960		234,833
Home Depot Inc/The		1.1			163,587		65,535
Lowe's Cos Inc		0.4			108,787		26,608
McDonald's Corp		0.5			114,887		28,101
NIKE Inc, Cl B		0.6			196,682		33,286
Tesla Inc *		2.4			124,800		142,866
Other Securities (A)		4.1					253,145
							784,374
Consumer Staples — 5.5%
Coca-Cola Co/The		0.5			597,857		31,358
Costco Wholesale Corp		0.6			68,000		36,678
PepsiCo Inc		0.6			212,678		33,982
Procter & Gamble Co/The		0.9			373,467		53,996
Walmart Inc		0.5			219,883		30,922
Other Securities (A)		2.4					145,363
							332,299
Energy — 2.7%
Chevron Corp		0.6			297,601		33,590
Exxon Mobil Corp		0.6			651,400		38,980
Other Securities		1.5					88,896
							161,466
Financials — 10.7%
Bank of America Corp		0.8			1,139,283		50,664

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Berkshire Hathaway Inc, Cl B *		1.3	%		285,128	$	78,892
JPMorgan Chase & Co		1.2			459,657		73,007
Wells Fargo & Co		0.5			631,948		30,194
Other Securities		6.9					413,241
							645,998
Health Care — 12.6%
Abbott Laboratories		0.6			272,848		34,316
AbbVie Inc		0.5			271,913		31,346
Danaher Corp		0.5			97,800		31,456
Eli Lilly & Co		0.5			122,145		30,297
Johnson & Johnson		1.1			404,970		63,147
Merck & Co Inc		0.5			389,570		29,183
Pfizer Inc		0.8			862,635		46,350
Thermo Fisher Scientific Inc		0.6			60,491		38,280
UnitedHealth Group Inc		1.1			145,087		64,451
Other Securities		6.4					389,254
							758,080
Industrials — 7.7%
Other Securities (A)		7.7					464,664
Information Technology — 29.1%
Accenture PLC, Cl A		0.6			97,596		34,881
Adobe Inc *		0.8			73,295		49,097
Advanced Micro Devices Inc *		0.5			186,700		29,568
Apple Inc		6.6			2,414,984		399,197
Broadcom Inc		0.6			63,159		34,970
Cisco Systems Inc/Delaware		0.6			648,443		35,561
Intel Corp		0.5			624,352		30,718
Intuit Inc		0.5			42,100		27,462
Mastercard Inc, Cl A		0.7			134,047		42,214
Microsoft Corp		6.3			1,155,704		382,064
NVIDIA Corp		2.1			383,232		125,225
PayPal Holdings Inc *		0.6			180,783		33,425
QUALCOMM Inc		0.5			173,578		31,341
salesforce.com Inc *		0.7			149,491		42,599
Texas Instruments Inc		0.5			142,083		27,332
Visa Inc, Cl A		0.8			259,670		50,316
Other Securities		6.2					373,439
							1,749,409
Materials — 2.5%
Linde PLC		0.4			79,460		25,279
Other Securities		2.1					123,406
							148,685
Real Estate — 2.6%
Other Securities ‡(A)		2.6					155,970

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

13

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

S&P 500 Index Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 2.3%
NextEra Energy Inc		0.4	%		301,900	$	26,199
Other Securities		1.9					115,070
							141,269
Total Common Stock
(Cost $2,501,523) ($ Thousands)							5,959,702
AFFILIATED PARTNERSHIP — 0.1%
SEI Liquidity Fund, L.P.
0.020% **†(B)		0.1			6,452,318		6,445
Total Affiliated Partnership
(Cost $6,451) ($ Thousands)							6,445

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 0.4%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		0.4	%		23,733,037	$	23,733
Total Cash Equivalent
(Cost $23,733) ($ Thousands)							23,733
Total Investments in Securities — 99.4%
(Cost $2,531,707)($ Thousands)						$	5,989,880

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation (Thousands)
Long Contracts
S&P 500 Index E-MINI		143		Dec-2021	$	31,854	$	32,649	$	795

	Percentages are based on a Net Assets of $6,028,115 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $8,062 ($ Thousands).
(B)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $6,445 ($ Thousands).

Cl — Class

PLC — Public Limited Company

S&P— Standard & Poor's

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		5,959,702		–		–		5,959,702
Affiliated Partnership		–		6,445		–		6,445
Cash Equivalent		23,733		–		–		23,733
Total Investments in Securities		5,983,435		6,445		–		5,989,880

Other Financial Instruments	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		795		–		–		795
Total Other Financial Instruments		795		–		–		795

* Futures contracts are valued at the unrealized appreciation on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

14

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	14,433	$	49,030	$	(57,018	)	$	1	$	(1	)	$	6,445		6,452,318	$	4	$	—
SEI Daily Income Trust, Government Fund, Cl F		64,021		183,767		(224,055	)		—		—			23,733		23,733,037		3		—
Totals	$	78,454	$	232,797	$	(281,073	)	$	1	$	(1	)	$	30,178			$	7	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

15

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Extended Market Index Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 99.3%
Communication Services — 3.8%
Liberty Broadband Corp, Cl A *		0.1	%		5,283	$	801
Liberty Broadband Corp, Cl C *		0.3			31,614		4,895
Liberty Media Corp-Liberty Braves, Cl A *		0.0			1,803		50
Liberty Media Corp-Liberty Braves, Cl C *		0.0			5,965		164
Liberty Media Corp-Liberty Formula One, Cl A *		0.0			5,408		312
Liberty Media Corp-Liberty Formula One, Cl C *		0.2			43,642		2,659
Liberty Media Corp-Liberty SiriusXM, Cl A *		0.1			16,735		817
Liberty Media Corp-Liberty SiriusXM, Cl C *		0.1			35,022		1,714
Pinterest Inc, Cl A *		0.3			119,611		4,792
Roku Inc, Cl A *		0.4			25,248		5,747
Sirius XM Holdings Inc (A)		0.1			188,581		1,150
Spotify Technology SA *		0.4			29,803		7,108
Other Securities (A)		1.8					33,601
							63,810
Consumer Discretionary — 11.2%
Burlington Stores Inc *		0.3			14,500		4,250
Carvana Co, Cl A *		0.3			16,800		4,711
DoorDash Inc, Cl A *		0.3			31,500		5,631
Lululemon Athletica Inc *		0.7			24,682		11,216
Yum China Holdings Inc		0.3			91,948		4,607
Other Securities (A)		9.3					157,981
							188,396
Consumer Staples — 2.7%
Keurig Dr Pepper Inc		0.3			152,580		5,186
Other Securities (A)		2.4					40,528
							45,714

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Energy — 2.5%
Cheniere Energy Inc		0.3	%		51,165	$	5,363
Other Securities (A)		2.2					37,341
							42,704
Financials — 14.3%
Blackstone Inc, Cl A		1.3			148,000		20,935
KKR & Co Inc		0.5			120,663		8,983
KKR Real Estate Finance Trust Inc ‡		0.0			5,800		120
SEI Investments Co †		0.1			24,019		1,432
Other Securities ‡(A)(B)		12.4					211,048
							242,518
Health Care — 13.4%
Alnylam Pharmaceuticals Inc *		0.3			25,889		4,758
Avantor Inc *		0.3			126,551		4,996
Horizon Therapeutics Plc *		0.3			47,503		4,929
Seagen Inc *		0.3			29,100		4,656
Veeva Systems Inc, Cl A *		0.5			29,693		8,391
Other Securities (A)		11.7					197,330
							225,060
Industrials — 13.7%
CoStar Group Inc *		0.4			85,060		6,614
Gates Industrial Corp PLC *		0.0			21,200		340
Plug Power Inc *(A)		0.3			111,800		4,455
TransUnion		0.3			41,794		4,647
Uber Technologies Inc *		0.8			349,522		13,282
Other Securities (A)		11.9					203,527
							232,865
Information Technology — 24.9%
Atlassian Corp PLC, Cl A *		0.7			29,541		11,117
Bill.com Holdings Inc *		0.3			17,177		4,824
Cloudflare Inc, Cl A *(A)		0.6			56,000		10,541
Crowdstrike Holdings Inc, Cl A *		0.6			42,921		9,320
Datadog Inc, Cl A *		0.5			50,555		9,013
DocuSign Inc, Cl A *		0.6			41,380		10,194
Entegris Inc		0.3			28,889		4,220
EPAM Systems Inc *		0.4			11,700		7,120
HubSpot Inc *		0.5			9,673		7,805
Marvell Technology Inc		0.8			177,412		12,626
MongoDB Inc, Cl A *		0.4			13,500		6,724
Okta Inc, Cl A *		0.4			27,104		5,834
ON Semiconductor Corp *		0.3			92,200		5,664
Palantir Technologies Inc, Cl A *		0.4			352,400		7,277
Palo Alto Networks Inc *		0.7			20,685		11,313
Snowflake Inc, Cl A *		0.9			42,400		14,422
Splunk Inc *		0.3			35,822		4,334
Square Inc, Cl A *		1.1			85,709		17,856
Trade Desk Inc/The, Cl A *(A)		0.6			92,900		9,608
Twilio Inc, Cl A *		0.6			36,142		10,342
Unity Software Inc *		0.3			32,500		5,603
VMware Inc, Cl A		0.3			43,309		5,056
Workday Inc, Cl A *		0.7			40,666		11,152

16

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Zoom Video Communications Inc, Cl A *		0.6	%		46,321	$	9,793
Zscaler Inc *		0.4			16,900		5,864
Other Securities (A)		11.6					203,855
							421,477
Materials — 3.7%
Other Securities (A)		3.7					62,627
Real Estate — 7.1%
Invitation Homes Inc ‡		0.3			125,581		5,079
Sun Communities Inc ‡		0.3			24,921		4,700
Other Securities ‡(A)		6.5					111,255
							121,034
Utilities — 2.0%
Other Securities (A)		2.0					33,486
Total Common Stock
(Cost $1,050,225) ($ Thousands)							1,679,691
RIGHTS* — 0.0%
Other Securities#(C)		0.0					1
Total Rights
(Cost $–) ($ Thousands)							1
AFFILIATED PARTNERSHIP — 5.2%
SEI Liquidity Fund, L.P.
0.020% **†(D)		5.2			88,803,781		88,822
Total Affiliated Partnership
(Cost $88,807) ($ Thousands)							88,822
CASH EQUIVALENT — 0.9%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		0.9			15,148,076		15,148
Total Cash Equivalent
(Cost $15,148) ($ Thousands)							15,148
Total Investments in Securities — 105.4%
(Cost $1,154,180)($ Thousands)						$	1,783,662

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

17

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Extended Market Index Fund (Concluded)

A list of the open futures contracts held by the Fund at November 30, 2021 is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Russell 2000 Index E-MINI		58		Dec-2021	$	6,513	$	6,372	$	(141	)
S&P Mid Cap 400 Index E-MINI		20		Dec-2021		5,411		5,413		2
					$	11,924	$	11,785	$	(139	)

	Percentages are based on a Net Assets of $1,691,879 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
#	Expiration date not available.
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $79,256 ($ Thousands).
(B)	Security is a Master Limited Partnership. At November 30, 2021, such securities amounted to $1,012 ($ Thousands), or 0.1% of Net Assets of the Fund (See Note 2).
(C)	Level 3 security in accordance with fair value hierarchy.
(D)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $88,822 ($ Thousands).

Cl — Class

PLC — Public Limited Company

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)		Total ($)
Common Stock		1,679,691		–		–		1,679,691
Rights		–		–		1		1
Affiliated Partnership		–		88,822		–		88,822
Cash Equivalent		15,148		–		–		15,148
Total Investments in Securities		1,694,839		88,822		1		1,783,662

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		2			–		–		2
Unrealized Depreciation		(141	)		–		–		(141	)
Total Other Financial Instruments		(139	)		–		–		(139	)

(1) A reconciliation of Level 3 instruments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to the net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

* Futures contracts are valued at the unrealized appreciation/(depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Investments Co	$	1,682	$	194	$	(351	)	$	74	$	(167	)	$	1,432		24,019	$	10	$	—
SEI Liquidity Fund, L.P.		90,850		180,149		(182,173	)		1		(5	)		88,822		88,803,781		253		—
SEI Daily Income Trust, Government Fund, Cl F		7,519		156,915		(149,286	)		—		—			15,148		15,148,076		1		—
Totals	$	100,051	$	337,258	$	(331,810	)	$	75	$	(172	)	$	105,402			$	264	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

18

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small Cap Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 99.0%
Communication Services — 1.7%
Other Securities (A)		1.7	%			$	4,579
Consumer Discretionary — 13.8%
American Eagle Outfitters Inc (A)		0.4			39,570		1,024
Boot Barn Holdings Inc *		0.8			17,869		2,186
Dick's Sporting Goods Inc		0.3			6,845		805
Haverty Furniture Cos Inc		0.3			29,009		868
Signet Jewelers Ltd		0.3			8,405		816
Wingstop Inc		0.5			8,735		1,403
Wyndham Hotels & Resorts Inc		0.7			22,755		1,809
Other Securities (A)		10.5					27,510
							36,421
Consumer Staples — 4.6%
Beauty Health Co/The *(A)		0.5			47,119		1,223
Ingles Markets Inc, Cl A		0.4			13,190		1,013
Ingredion Inc		0.3			9,110		848
Other Securities		3.4					9,108
							12,192
Energy — 2.9%
PDC Energy Inc		0.4			20,770		1,047
Other Securities (A)		2.5					6,521
							7,568
Financials — 19.4%
CNO Financial Group Inc		0.4			43,200		979
Customers Bancorp Inc *		0.4			17,334		999
First Financial Bankshares Inc		0.6			31,410		1,568
Hamilton Lane Inc, Cl A		0.6			14,120		1,493
Regional Management Corp		0.4			17,982		1,017
Stifel Financial Corp		0.5			20,010		1,421

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
United Community Banks Inc/GA		0.7	%		52,745	$	1,808
Other Securities ‡(A)		15.8					41,876
							51,161
Health Care — 13.3%
AMN Healthcare Services Inc *		0.6			14,405		1,642
Innoviva Inc *		0.4			67,837		1,134
Inspire Medical Systems Inc *		0.3			3,731		833
Omnicell Inc *		1.0			14,655		2,594
Prestige Consumer Healthcare Inc *		0.4			16,250		909
Progyny Inc *		0.5			24,375		1,238
Repligen Corp *		0.8			7,140		2,046
United Therapeutics Corp *		0.6			8,472		1,605
Other Securities (A)		8.7					22,941
							34,942
Industrials — 16.3%
Atkore Inc *		0.4			10,707		1,140
Atlas Air Worldwide Holdings Inc *		0.4			11,405		999
Exponent Inc		0.8			19,190		2,236
Generac Holdings Inc *		0.5			3,074		1,295
Helios Technologies Inc		0.8			20,487		2,055
Herc Holdings Inc		0.8			12,307		2,098
John Bean Technologies Corp		0.3			4,870		768
Tetra Tech Inc		0.3			4,154		767
WillScot Mobile Mini Holdings Corp, Cl A *		0.9			65,534		2,496
Other Securities		11.1					29,156
							43,010
Information Technology — 16.6%
A10 Networks Inc		0.3			51,753		798
Azenta Inc		0.7			15,380		1,739
Grid Dynamics Holdings Inc *		0.7			49,405		1,938
Littelfuse Inc		0.6			5,452		1,627
Nova Ltd *		0.7			14,745		1,895
Novanta Inc *		0.7			11,658		1,882
Sprout Social Inc, Cl A *		0.5			11,210		1,252
SPS Commerce Inc *		0.7			12,618		1,779
TaskUS Inc, Cl A *(A)		0.4			20,395		909
Varonis Systems Inc, Cl B *		0.4			22,285		1,155
Viavi Solutions Inc *		0.3			60,080		890
Vishay Precision Group Inc *		0.3			24,165		830
Other Securities (A)		10.3					27,022
							43,716
Materials — 4.7%
Greif Inc, Cl A		0.4			14,900		904
Ranpak Holdings Corp, Cl A *		0.6			42,171		1,671
Summit Materials Inc, Cl A *		0.5			35,561		1,326
Other Securities		3.2					8,373
							12,274

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

19

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small Cap Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Real Estate — 4.1%
Other Securities ‡(A)		4.1	%			$	10,932
Utilities — 1.6%
Other Securities		1.6					4,262
Total Common Stock
(Cost $210,748) ($ Thousands)							261,057
RIGHTS — 0.0%
Other Securities* (B)		0.0					—
Total Rights
(Cost $–) ($ Thousands)							—
AFFILIATED PARTNERSHIP — 1.7%
SEI Liquidity Fund, L.P.
0.020%**†(C)		1.7			4,571,670		4,572
Total Affiliated Partnership
(Cost $4,571) ($ Thousands)							4,572
CASH EQUIVALENT — 1.4%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		1.4			3,764,171		3,764
Total Cash Equivalent
(Cost $3,764) ($ Thousands)							3,764
Total Investments in Securities — 102.1%
(Cost $219,083)($ Thousands)						$	269,393

	Percentages are based on a Net Assets of $263,740 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
‡	Real Estate Investment Trust.
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $4,471 ($ Thousands).
(B)	Level 3 security in accordance with fair value hierarchy.
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $4,572 ($ Thousands).

Cl — Class

L.P. – Limited Partnership

Ltd. – Limited

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)			Total ($)
Common Stock		261,057		–		–			261,057
Rights		–		–		–	^		–	^
Affiliated Partnership		–		4,572		–			4,572
Cash Equivalent		3,764		–		–			3,764
Total Investments in Securities		264,821		4,572		–	^		269,393

(1) A reconciliation of Level 3 instruments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

^ Securities market value less than $500.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	10,120	$	43,207	$	(48,755	)	$	1	$	(1	)	$	4,572		4,571,670	$	21	$	—
SEI Daily Income Trust, Government Fund, Cl F		4,935		39,072		(40,243	)		—		—			3,764		3,764,171		—		—
Totals	$	15,055	$	82,279	$	(88,998	)	$	1	$	(1	)	$	8,336			$	21	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

20

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small Cap II Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 98.1%
Communication Services — 3.2%
Cinemark Holdings Inc *(A)		0.7	%		180,113	$	2,795
Lions Gate Entertainment Corp, Cl A *		0.7	%		191,526		2,806
Other Securities (A)		1.8					8,222
							13,823
Consumer Discretionary — 15.0%
Brinker International Inc *		0.3			43,145		1,493
Carter's Inc		0.4			17,987		1,817
Modine Manufacturing Co *		0.5			194,353		2,013
Murphy USA Inc		0.6			14,248		2,470
Shutterstock Inc		0.4			15,044		1,715
Urban Outfitters Inc *		0.4			48,120		1,524
Vera Bradley Inc *		0.4			182,589		1,736
Other Securities (A)		12.0					51,877
							64,645
Consumer Staples — 3.6%
Hostess Brands Inc, Cl A *		0.4			110,750		1,882
Other Securities (A)		3.2					13,738
							15,620
Energy — 4.7%
Delek US Holdings Inc *		0.7			183,467		2,877
PDC Energy Inc		0.4			32,051		1,616
Other Securities (A)		3.6					15,451
							19,944
Financials — 19.3%
American Equity Investment Life Holding Co		0.7			86,841		2,920
Bank of NT Butterfield & Son Ltd/The		0.4			40,321		1,485
BankUnited Inc		1.1			122,149		4,842
Chimera Investment Corp ‡		0.4			101,717		1,617
CNO Financial Group Inc		0.7			134,900		3,057

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
First Commonwealth Financial Corp		0.4	%		124,129	$	1,866
First Midwest		0.4			83,555		1,649
FNB Corp/PA		0.6			213,971		2,495
MGIC Investment Corp		0.4			113,889		1,606
PacWest Bancorp		0.9			86,078		3,851
Pinnacle Financial Partners Inc		0.5			22,400		2,137
PROG Holdings Inc *(A)		0.4			40,214		1,814
Sterling Bancorp/DE		0.5			82,381		2,044
Umpqua Holdings Corp		1.0			234,825		4,476
Western Alliance Bancorp		0.5			20,559		2,257
Wintrust Financial Corp		0.4			20,938		1,833
Other Securities ‡(A)		10.0					43,219
							83,168
Health Care — 9.8%
Other Securities (A)		9.8					42,399
Industrials — 18.6%
ACCO Brands Corp		0.8			422,522		3,490
Clean Harbors Inc *		0.5			21,248		2,155
ITT Inc		0.4			16,831		1,592
JetBlue Airways Corp *		0.4			130,485		1,751
Korn Ferry		0.5			26,623		1,937
Matson Inc		0.4			19,024		1,551
Regal Rexnord Corp		0.7			18,341		2,900
Standex International Corp		0.4			17,538		1,807
Tetra Tech Inc		0.5			10,568		1,952
TriNet Group Inc *		0.4			16,122		1,617
Other Securities (A)		13.6					59,138
							79,890
Information Technology — 15.5%
Alliance Data Systems Corp		0.5			32,713		2,230
ExlService Holdings Inc *		0.4			13,262		1,722
Harmonic Inc *		0.4			146,657		1,577
Littelfuse Inc		0.4			5,603		1,672
Mimecast Ltd *		0.4			20,944		1,696
Photronics Inc *		0.5			165,061		2,180
Rogers Corp *		0.4			7,004		1,909
Silicon Motion Technology Corp ADR		0.4			21,952		1,516
Super Micro Computer Inc *		0.8			88,059		3,646
Other Securities (A)(B)		11.3					48,197
							66,345
Materials — 4.1%
Commercial Metals Co		0.4			53,782		1,662
Livent Corp *		0.6			88,101		2,669
Other Securities (A)		3.1					13,452
							17,783
Real Estate — 2.8%
Newmark Group Inc, Cl A		0.5			133,243		2,140
Other Securities ‡(A)		2.3					9,815
							11,955

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

21

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small Cap II Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 1.5%
Portland General Electric Co		0.5	%		40,175	$	1,955
Other Securities (A)		1.0					4,464
							6,419
Total Common Stock
(Cost $338,311) ($ Thousands)							421,991
WARRANTS * — 0.0%
Other Securities		0.0					47
Total Warrants
(Cost $37) ($ Thousands)							47
RIGHTS* — 0.0%
Other Securities(B)		0.0					—
Total Rights
(Cost $–) ($ Thousands)							—
AFFILIATED PARTNERSHIP — 3.4%
SEI Liquidity Fund, L.P.
0.020% **†(C)		3.4			14,722,288		14,725
Total Affiliated Partnership
(Cost $14,722) ($ Thousands)							14,725
CASH EQUIVALENT — 1.7%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		1.7			7,217,470		7,217
Total Cash Equivalent
(Cost $7,217) ($ Thousands)							7,217
Total Investments in Securities — 103.2%
(Cost $360,287)($ Thousands)						$	443,980

	Percentages are based on a Net Assets of $430,236 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $12,861 ($ Thousands).
(B)	Level 3 security in accordance with fair value hierarchy.
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $14,725 ($ Thousands).

ADR — American Depositary Receipt

Cl — Class

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)			Total ($)
Common Stock		421,991		–		–	^		421,991
Warrants		–		47		–			47
Rights		–		–		–	^		–	^
Affiliated Partnership		–		14,725		–			14,725
Cash Equivalent		7,217		–		–			7,217
Total Investments in Securities		429,208		14,772		–	^		443,980

(1) A reconciliation of Level 3 instruments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

^ Securities market value less than $500.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	31,950	$	59,369	$	(76,591	)	$	2	$	(5	)	$	14,725		14,722,288	$	58	$	—
SEI Daily Income Trust, Government Fund, Cl F		9,606		107,158		(109,547	)		—		—			7,217		7,217,470		1		—
Totals	$	41,556	$	166,527	$	(186,138	)	$	2	$	(5	)	$	21,942			$	59	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

22

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small/Mid Cap Equity Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 96.7%
Communication Services — 4.3%
Nexstar Media Group Inc, Cl A		1.1	%		75,832	$	11,337
Ziff Davis Inc *		0.8			77,272		8,799
Other Securities (A)		2.4					25,044
							45,180
Consumer Discretionary — 12.6%
Boot Barn Holdings Inc *		0.5			43,790		5,357
Dick's Sporting Goods Inc (A)		0.4			35,280		4,148
Lithia Motors Inc, Cl A		0.4			14,627		4,261
Shutterstock Inc		0.4			40,256		4,590
Wingstop Inc		0.6			41,596		6,680
Wyndham Hotels & Resorts Inc		0.5			71,420		5,676
Other Securities (A)		9.8					101,282
							131,994
Consumer Staples — 3.0%
Other Securities (A)		3.0					31,050
Energy — 2.9%
Diamondback Energy Inc		0.4			41,293		4,407
Viper Energy Partners LP (B)		0.2			82,929		1,788
Other Securities (B)		2.3					24,093
							30,288
Financials — 14.7%
Bank OZK		0.4			97,386		4,354
Cohen & Steers Inc		0.5			53,435		4,797
First Financial Bankshares Inc		0.6			121,114		6,046
Hamilton Lane Inc, Cl A		0.8			75,695		8,006
PacWest Bancorp		0.8			196,392		8,787
Starwood Property Trust Inc ‡		0.5			196,852		4,913
Stifel Financial Corp		0.5			77,550		5,507

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
United Community Banks Inc/GA		0.6	%		199,084	$	6,823
Other Securities ‡(A)		10.0					104,599
							153,832
Health Care — 12.2%
AMN Healthcare Services Inc *		0.7			68,177		7,773
Ensign Group Inc/The		0.6			82,748		6,316
Omnicell Inc *		0.7			41,457		7,338
Repligen Corp *		0.6			21,555		6,176
STERIS PLC		0.7			31,244		6,828
Syneos Health Inc, Cl A *		0.6			66,881		6,498
Other Securities (A)		8.3					86,602
							127,531
Industrials — 17.6%
ABM Industries Inc		0.5			117,780		5,300
Atkore Inc *		0.6			56,366		6,003
BWX Technologies Inc		0.5			103,765		4,950
Colfax Corp *		0.5			119,061		5,529
Exponent Inc		0.6			55,987		6,522
Generac Holdings Inc *		0.6			13,829		5,825
Helios Technologies Inc		0.5			54,879		5,506
Herc Holdings Inc		0.6			39,315		6,701
Snap-on Inc		0.4			20,292		4,178
UFP Industries Inc		0.4			54,996		4,580
WillScot Mobile Mini Holdings Corp, Cl A *		0.6			169,600		6,460
Other Securities (A)		11.8					122,408
							183,962
Information Technology — 16.2%
Azenta Inc		0.5			48,270		5,459
Grid Dynamics Holdings Inc *		0.5			130,000		5,100
Kulicke & Soffa Industries Inc		0.5			82,560		4,760
Littelfuse Inc		0.8			26,340		7,862
Nova Ltd *(A)		0.6			46,235		5,943
Novanta Inc *		0.5			32,207		5,200
Silicon Motion Technology Corp ADR		0.5			82,031		5,663
SPS Commerce Inc *		0.5			34,462		4,859
Other Securities (A)		11.8					125,194
							170,040
Materials — 5.8%
Axalta Coating Systems Ltd *		0.4			139,371		4,226
FMC Corp		0.5			52,609		5,271
Ranpak Holdings Corp, Cl A *		0.4			109,100		4,324
Reliance Steel & Aluminum Co		0.4			32,271		4,797
Silgan Holdings Inc		0.7			168,264		6,978
Other Securities (A)		3.4					34,987
							60,583
Real Estate — 5.6%
Gaming and Leisure Properties Inc ‡		0.6			135,505		6,114

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

23

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Small/Mid Cap Equity Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Medical Properties Trust Inc ‡		0.6	%		301,328	$	6,415
Newmark Group Inc, Cl A		0.5			296,457		4,761
Other Securities ‡(A)		3.9					40,625
							57,915
Utilities — 1.8%
Other Securities (A)		1.8					18,274
Total Common Stock
(Cost $765,381) ($ Thousands)							1,010,649

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
AFFILIATED PARTNERSHIP — 3.0%
SEI Liquidity Fund, L.P.
0.020% **†(C)		3.0	%		30,907,932	$	30,905
Total Affiliated Partnership
(Cost $30,908) ($ Thousands)							30,905
CASH EQUIVALENT — 3.3%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		3.3			34,641,728		34,642
Total Cash Equivalent
(Cost $34,642) ($ Thousands)							34,642
Total Investments in Securities — 103.0%
(Cost $830,931)($ Thousands)						$	1,076,196

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Russell 2000 Index E-MINI		20		Dec-2021	$	2,359	$	2,197	$	(162	)
S&P Mid Cap 400 Index E-MINI		8		Dec-2021		2,296		2,165		(131	)
					$	4,655	$	4,362	$	(293	)

	Percentages are based on a Net Assets of $1,044,536 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
‡	Real Estate Investment Trust.
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $28,432 ($ Thousands).
(B)	Security is a Master Limited Partnership. At November 30, 2021, such securities amounted to $2,838 ($ Thousands), or 0.3% of Net Assets (See Note 2).
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $30,905 ($ Thousands).

ADR — American Depositary Receipt

Cl — Class

L.P. – Limited Partnership

Ltd. – Limited

PLC – Public Limited Company

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		1,010,649		–		–		1,010,649
Affiliated Partnership		–		30,905		–		30,905
Cash Equivalent		34,642		–		–		34,642
Total Investments in Securities		1,045,291		30,905		–		1,076,196

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Depreciation		(293	)		–		–		(293	)
Total Other Financial Instruments		(293	)		–		–		(293	)

* Futures contracts are valued at the unrealized depreciation on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

24

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	65,133	$	134,375	$	(168,597	)	$	6	$	(12	)	$	30,905		30,907,932	$	57	$	—
SEI Daily Income Trust, Government Fund, Cl F		30,279		204,263		(199,900	)		—		—			34,642		34,641,728		2		—
Totals	$	95,412	$	338,638	$	(368,497	)	$	6	$	(12	)	$	65,547			$	59	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

25

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

U.S. Equity Factor Allocation Fund

^† Percentages are based on total investments.

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 97.7%
Communication Services — 10.1%
Alphabet Inc, Cl A *		1.9	%		6,566	$	18,634
Alphabet Inc, Cl C *		2.6			9,184		26,166
AT&T Inc		0.9			388,868		8,878
Comcast Corp, Cl A		0.6			106,619		5,329
Meta Platforms Inc, Cl A *		1.5			46,035		14,937
Verizon Communications Inc		1.1			209,141		10,514
Other Securities		1.5					15,397
							99,855
Consumer Discretionary — 10.1%
Amazon.com Inc *		1.7			4,960		17,395
eBay Inc		0.5			75,626		5,102
Lennar Corp, Cl A		0.6			61,170		6,426
Lennar Corp, Cl B		0.1			10,490		900
Target Corp		1.0			39,605		9,657
Other Securities		6.2					61,010
							100,490
Consumer Staples — 8.4%
Bunge Ltd		0.6			64,669		5,598
Kroger Co/The		1.1			253,204		10,516
Procter & Gamble Co/The		1.5			99,571		14,396
Walmart Inc		1.1			79,547		11,187
Other Securities		4.1					42,094
							83,791
Energy — 1.0%
Other Securities		1.0					10,034
Financials — 13.4%
AGNC Investment Corp ‡		0.6			365,756		5,592
Ally Financial Inc		0.9			184,642		8,462
Capital One Financial Corp		0.9			64,588		9,076
Citigroup Inc		0.9			142,664		9,088
Popular Inc		0.5			64,752		5,039
Synchrony Financial		1.0			218,760		9,798
Wells Fargo & Co		0.7			154,670		7,390

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Other Securities ‡(A)		7.9	%			$	78,450
							132,895
Health Care — 14.6%
AmerisourceBergen Corp, Cl A		0.6			52,527		6,080
Amgen Inc		0.5			26,481		5,266
Bristol-Myers Squibb Co		0.5			92,978		4,986
Cardinal Health Inc		0.7			144,862		6,697
CVS Health Corp		1.0			106,856		9,517
Danaher Corp		0.6			19,118		6,149
DaVita Inc *		0.5			53,198		5,027
Gilead Sciences Inc		0.5			78,049		5,380
Hologic Inc *		0.6			84,414		6,308
Johnson & Johnson		0.7			41,471		6,467
Laboratory Corp of America Holdings *		0.6			19,108		5,452
McKesson Corp		1.1			52,247		11,325
Pfizer Inc		1.1			194,944		10,474
Quest Diagnostics Inc		0.5			35,992		5,351
Thermo Fisher Scientific Inc		0.5			8,564		5,420
United Therapeutics Corp *		0.6			32,367		6,134
Other Securities		4.0					38,884
							144,917
Industrials — 6.2%
Expeditors International of Washington Inc		0.7			52,889		6,432
Other Securities		5.5					55,184
							61,616
Information Technology — 30.0%
Accenture PLC, Cl A		0.9			25,631		9,160
Apple Inc		5.0			301,318		49,808
Arrow Electronics Inc *		0.7			59,124		7,192
Fortinet Inc *		0.9			27,928		9,275
HP Inc		1.2			350,602		12,369
Intel Corp		0.9			188,443		9,271
International Business Machines Corp		0.9			71,697		8,396
Intuit Inc		0.9			13,594		8,867
Microsoft Corp		6.2			185,483		61,319
NVIDIA Corp		0.7			22,240		7,267
Oracle Corp		1.5			163,179		14,807
QUALCOMM Inc		0.8			42,197		7,619
Other Securities		9.4					93,167
							298,517
Materials — 1.0%
Other Securities		1.0					10,136
Real Estate — 2.0%
Other Securities ‡		2.0					20,224

26

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 0.9%
Exelon Corp		0.7	%		133,863	$	7,059
Other Securities		0.2					1,381
							8,440
Total Common Stock
(Cost $717,709) ($ Thousands)							970,915
CASH EQUIVALENT — 1.8%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		1.8			18,283,705		18,284
Total Cash Equivalent
(Cost $18,284) ($ Thousands)							18,284
Total Investments in Securities — 99.5%
(Cost $735,993)($ Thousands)						$	989,199

A list of the open future contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Depreciation (Thousands)
Long Contracts
S&P 500 Index E-MINI		75		Dec-2021	$	17,246	$	17,123	$	(123	)

	Percentages are based on a Net Assets of $993,849 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Security is a Master Limited Partnership. At November 30, 2021, such securities amounted to $277 ($ Thousands), or 0.0% of Net Assets of the Fund (See Note 2).

Cl — Class

PLC — Public Limited Company

S&P — Standard & Poor's

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund’s investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		970,915		–		–		970,915
Cash Equivalent		18,284		–		–		18,284
Total Investments in Securities		989,199		–		–		989,199

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Depreciation		(123	)		–		–		(123	)
Total Other Financial Instruments		(123	)		–		–		(123	)

* Future contracts are valued at the unrealized depreciation on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in the Notes to Financial Statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

27

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

U.S. Equity Factor Allocation Fund (Concluded)

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	—	$	165,425	$	(147,141	)	$	—	$	—	$	18,284		18,283,705	$	1	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

28

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

U.S. Managed Volatility Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 99.0%
Communication Services — 8.5%
Alphabet Inc, Cl A *		0.3	%		1,048	$	2,974
Alphabet Inc, Cl C *		0.4			1,182		3,368
AT&T Inc		1.0			419,100		9,568
Comcast Corp, Cl A		1.4			273,157		13,652
Omnicom Group Inc (A)		0.9			135,581		9,126
Verizon Communications Inc		2.3			443,377		22,289
Other Securities (A)		2.2					22,387
							83,364
Consumer Discretionary — 9.2%
eBay Inc		1.0			144,200		9,728
Target Corp		2.8			111,224		27,121
Toyota Motor Corp ADR (A)		0.7			37,800		6,723
Other Securities		4.7					46,542
							90,114
Consumer Staples — 15.4%
Colgate-Palmolive Co		0.7			90,775		6,810
General Mills Inc		1.2			198,501		12,262
Hershey Co/The		0.7			38,762		6,880
J M Smucker Co/The		1.4			110,036		13,916
Kellogg Co (A)		1.0			154,926		9,478
Kraft Heinz Co/The		0.7			199,900		6,719
Kroger Co/The		1.6			374,575		15,556
Tyson Foods Inc, Cl A		1.2			151,368		11,952
Other Securities (A)		6.9					67,706
							151,279
Energy — 0.5%
Other Securities (A)		0.5					4,583
Financials — 11.3%
Aflac Inc		1.3			226,200		12,247
Allstate Corp/The		1.5			137,000		14,895
Bank of New York Mellon Corp/The		0.9			155,100		8,498
Berkshire Hathaway Inc, Cl B *		1.8			62,310		17,241

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Investors Bancorp Inc		0.6	%		423,000	$	6,298
Other Securities ‡		5.2					51,201
							110,380
Health Care — 17.6%
AbbVie Inc		1.4			118,057		13,610
Amgen Inc		0.9			44,700		8,890
Bristol-Myers Squibb Co		2.0			361,057		19,364
CVS Health Corp		1.3			148,374		13,214
Gilead Sciences Inc		1.6			226,380		15,604
Johnson & Johnson		1.7			105,453		16,443
Merck & Co Inc		2.5			333,635		24,993
Pfizer Inc		2.3			413,608		22,223
Other Securities (A)		3.9					38,627
							172,968
Industrials — 9.5%
3M Co		1.3			71,598		12,174
Cummins Inc		0.6			28,900		6,062
General Dynamics Corp		0.8			42,944		8,115
Lockheed Martin Corp		0.8			24,127		8,042
Northrop Grumman Corp		1.1			31,628		11,032
Other Securities		4.9					47,592
							93,017
Information Technology — 17.0%
Amdocs Ltd		1.6			224,539		15,677
Cisco Systems Inc/Delaware		2.0			351,631		19,283
F5 Inc *		0.9			36,901		8,398
Intel Corp		1.9			387,900		19,085
International Business Machines Corp		1.4			115,600		13,537
Juniper Networks Inc		1.0			318,580		9,917
Oracle Corp		2.8			302,300		27,431
Seagate Technology Holdings PLC		0.9			81,800		8,398
Western Union Co/The		1.0			625,043		9,888
Other Securities (A)		3.5					34,506
							166,120
Materials — 4.0%
Berry Global Group Inc *		0.7			102,600		7,085
NewMarket Corp		0.6			17,553		5,815
Newmont Corp		0.8			145,700		8,002
Silgan Holdings Inc		0.6			147,500		6,117
Other Securities		1.3					12,244
							39,263
Real Estate — 2.3%
Iron Mountain Inc ‡(A)		0.8			160,400		7,289
Public Storage ‡		0.6			18,582		6,083
Other Securities ‡		0.9					9,325
							22,697

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

29

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

U.S. Managed Volatility Fund (Concluded)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Utilities — 3.7%
Evergy Inc		1.3	%		206,600	$	13,078
Other Securities		2.4					23,342
							36,420
Total Common Stock
(Cost $763,966) ($ Thousands)							970,205
AFFILIATED PARTNERSHIP — 3.3%
SEI Liquidity Fund, L.P.
0.020% **†(B)		3.3			32,475,909		32,476
Total Affiliated Partnership
(Cost $32,480) ($ Thousands)							32,476
CASH EQUIVALENT — 1.4%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		1.4			13,313,874		13,314
Total Cash Equivalent
(Cost $13,314) ($ Thousands)							13,314
Total Investments in Securities — 103.7%
(Cost $809,760)($ Thousands)						$	1,015,995

	Percentages are based on a Net Assets of $979,901 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $29,420 ($ Thousands).
(B)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $32,476 ($ Thousands).

Cl — Class

L.P. — Limited Partnership

Ltd. — Limited

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		970,205		–		–		970,205
Affiliated Partnership		–		32,476		–		32,476
Cash Equivalent		13,314		–		–		13,314
Total Investments in Securities		983,519		32,476		–		1,015,995

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	32,350	$	85,200	$	(85,068	)	$	1	$	(7	)	$	32,476		32,475,909	$	14	$	—
SEI Daily Income Trust, Government Fund, Cl F		20,511		155,888		(163,085	)		—		—		$	13,314		13,313,874		1		—
Totals	$	52,861	$	241,088	$	(248,153	)	$	1	$	(7	)	$	45,790			$	15	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

30

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Global Managed Volatility Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 98.0%
Australia — 0.5%
Other Securities		0.5	%			$	11,311
Austria — 0.0%
Other Securities		0.0					603
Belgium — 0.6%
Other Securities ‡		0.6					14,854
Canada — 5.0%
George Weston Ltd		0.5			109,314		11,489
Loblaw Cos Ltd		1.2			380,851		28,591
Other Securities (A)		3.3					83,667
							123,747
Denmark — 1.5%
Other Securities		1.5					37,154
Finland — 0.4%
Other Securities		0.4					10,294
France — 2.2%
Sanofi		0.7			195,271		18,453
Other Securities		1.5					35,861
							54,314
Germany — 2.2%
Deutsche Telekom AG		0.6			848,467		14,889
Other Securities		1.6					39,111
							54,000
Hong Kong — 1.3%
Other Securities ‡		1.3					33,458

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Ireland — 0.3%
Other Securities		0.3	%			$	7,815
Israel — 1.2%
Check Point Software Technologies Ltd *		0.7			146,644		16,323
Other Securities		0.5					13,385
							29,708
Italy — 1.7%
Eni SpA		0.7			1,400,693		18,333
Other Securities		1.0					23,818
							42,151
Japan — 9.6%
Japan Tobacco Inc		0.7			820,100		16,351
KDDI Corp		0.9			811,500		23,488
Nippon Telegraph & Telephone Corp		1.2			1,109,000		30,448
Okinawa Cellular Telephone Co		0.0			5,411		234
Oracle Corp Japan		0.1			29,154		2,849
SoftBank Corp		1.2			2,081,300		28,559
Other Securities ‡		5.5					137,501
							239,430
Netherlands — 2.4%
Koninklijke Ahold Delhaize NV		1.0			724,191		24,157
Other Securities		1.4					36,474
							60,631
New Zealand — 0.1%
Other Securities ‡		0.1					2,202
Norway — 0.6%
Other Securities		0.6					14,349
Portugal — 0.1%
Other Securities		0.1					2,823
Singapore — 1.2%
United Overseas Bank Ltd		0.6			756,300		13,989
Other Securities		0.6					15,544
							29,533
Spain — 0.6%
Other Securities		0.6					14,342
Sweden — 0.8%
Other Securities		0.8					19,538
Switzerland — 3.4%
Roche Holding AG		0.9			58,787		22,875

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

31

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Global Managed Volatility Fund (Continued)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Switzerland (continued)
Swisscom AG		0.6	%		26,676	$	14,700
Other Securities		1.9					45,929
							83,504
United Kingdom — 4.8%
GlaxoSmithKline PLC		1.0			1,254,351		25,375
Seagate Technology Holdings PLC		0.7			174,600		17,926
Other Securities ‡		3.1					75,721
							119,022
United States — 57.5%
Allstate Corp/The		1.0			218,900		23,799
Alphabet Inc, Cl A *		0.6			4,935		14,005
Alphabet Inc, Cl C *		0.2			1,957		5,576
Amdocs Ltd		0.8			263,807		18,419
Amgen Inc		0.7			88,111		17,523
AT&T Inc		1.2			1,278,278		29,183
AutoZone Inc *		1.0			14,111		25,641
Berkshire Hathaway, Cl A *		0.1			6		2,501
Berkshire Hathaway Inc, Cl B *		1.0			91,081		25,201
Bristol-Myers Squibb Co		0.8			374,111		20,063
Cerner Corp		0.6			203,624		14,345
Cisco Systems Inc/Delaware		1.3			589,358		32,320
Colgate-Palmolive Co		0.6			179,238		13,446
Comcast Corp, Cl A		0.7			335,400		16,763
Costco Wholesale Corp		0.7			33,789		18,225
CVS Health Corp		0.8			213,341		19,000
Evergy Inc		0.7			266,500		16,870
Expeditors International of Washington Inc		0.6			119,249		14,503
F5 Inc *		0.6			66,080		15,039
General Mills Inc		0.8			315,209		19,471
Gilead Sciences Inc		0.7			246,164		16,968
Intel Corp		1.2			629,400		30,967
International Business Machines Corp		0.8			165,800		19,415
J M Smucker Co/The		0.8			156,465		19,788
Johnson & Johnson		1.4			219,116		34,167
Juniper Networks Inc		0.7			540,695		16,832
Kellogg Co		0.7			277,251		16,962
Kroger Co/The		1.2			720,503		29,922
Merck & Co Inc		1.3			413,521		30,977
Northrop Grumman Corp		0.8			55,862		19,485
Oracle Corp		2.0			544,236		49,384
Pfizer Inc		1.4			666,817		35,828
Procter & Gamble Co/The		0.6			104,536		15,114
Target Corp		1.2			121,505		29,628
Verizon Communications Inc		1.7			832,317		41,840
Walmart Inc		0.7			122,441		17,219

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
United States (continued)
Waters Corp *		0.5	%		39,469	$	12,949
Other Securities ‡(A)		25.0					629,203
							1,428,541
Total Common Stock
(Cost $2,264,046) ($ Thousands)							2,433,324
PREFERRED STOCK — 0.1%
Germany — 0.1%
Other Securities (B)		0.1					2,385
Total Preferred Stock
(Cost $2,653) ($ Thousands)							2,385
AFFILIATED PARTNERSHIP — 0.2%
SEI Liquidity Fund, L.P.
0.020% **†(C)		0.2			5,015,755		5,027
Total Affiliated Partnership
(Cost $5,017) ($ Thousands)							5,027
Total Investments in Securities — 98.3%
(Cost $2,271,716)($ Thousands)						$	2,440,736

32

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Euro STOXX 50		69		Dec-2021	$	3,168	$	3,166	$	(1	)
FTSE 100 Index		12		Dec-2021		1,124		1,124		–
Hang Seng Index		1		Jan-2022		150		151		–
S&P 500 Index E-MINI		77		Dec-2021		17,576		17,580		4
SPI 200 Index		7		Dec-2021		900		897		(2	)
TOPIX Index		12		Dec-2021		2,038		2,004		(35	)
					$	24,956	$	24,922	$	(34	)

A list of the open forward foreign currency contracts held by the Fund at November 30, 2021, is as follows:

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Brown Brothers Harriman		12/13/21		NOK	21		USD	2	$	—
Brown Brothers Harriman		12/13/21		USD	48		SEK	418		(2	)
Brown Brothers Harriman		12/13/21		USD	49		NZD	72		(1	)
Brown Brothers Harriman		12/13/21		USD	51		SGD	69		—
Brown Brothers Harriman		12/13/21		USD	107		NOK	965		(1	)
Brown Brothers Harriman		12/13/21		HKD	166		USD	21		—
Brown Brothers Harriman		12/13/21		USD	324		SEK	2,943		1
Brown Brothers Harriman		12/13/21		USD	326		HKD	2,539		—
Brown Brothers Harriman		12/13/21		DKK	358		USD	54		—
Brown Brothers Harriman		12/13/21		USD	383		DKK	2,516		(2	)
Brown Brothers Harriman		12/13/21		USD	404		HKD	3,147		—
Brown Brothers Harriman		12/13/21		USD	76		AUD	107		—
Brown Brothers Harriman		12/13/21		USD	375		AUD	522		(5	)
Brown Brothers Harriman		12/13/21		EUR	529		USD	593		(3	)
Brown Brothers Harriman		12/13/21		USD	559		SGD	764		(2	)
Brown Brothers Harriman		12/13/21		CHF	566		USD	607		(5	)
Brown Brothers Harriman		12/13/21		SEK	965		USD	106		(1	)
Brown Brothers Harriman		12/13/21		USD	1,147		CHF	1,061		1
Brown Brothers Harriman		12/13/21		USD	1,202		CHF	1,107		(5	)
Brown Brothers Harriman		12/13/21		USD	1,788		GBP	1,339		(16	)
Brown Brothers Harriman		12/13/21		USD	1,950		CAD	2,478		(18	)
Brown Brothers Harriman		12/13/21		NZD	2,081		USD	1,480		68
Brown Brothers Harriman		12/13/21		USD	3,777		JPY	430,102		13
Brown Brothers Harriman		12/13/21		USD	4,246		JPY	480,289		(15	)
Brown Brothers Harriman		12/13/21		USD	4,258		EUR	3,763		(19	)
Brown Brothers Harriman		12/13/21		AUD	20,728		USD	15,282		583
Brown Brothers Harriman		12/13/21		SGD	23,359		USD	17,330		293
Brown Brothers Harriman		12/13/21		GBP	33,740		USD	45,674		1,023
Brown Brothers Harriman		12/13/21		CHF	37,965		USD	41,691		633
Brown Brothers Harriman		12/13/21		NOK	45,136		USD	5,286		332
Brown Brothers Harriman		12/13/21		DKK	54,522		USD	8,495		238
Brown Brothers Harriman		12/13/21		CAD	81,194		USD	65,261		1,949
Brown Brothers Harriman		12/13/21		EUR	81,787		USD	94,815		2,702
Brown Brothers Harriman		12/13/21		SEK	84,713		USD	9,876		534
Brown Brothers Harriman		12/13/21		HKD	139,147		USD	17,862		13
Brown Brothers Harriman		12/13/21		JPY	13,986,281		USD	123,904		678

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

33

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Global Managed Volatility Fund (Concluded)

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Brown Brothers Harriman		12/13/21		JPY	443,161		USD	3,873	$	(32	)
									$	8,934

	Percentages are based on a Net Assets of $2,482,746 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $4,736 ($ Thousands).
(B)	There is currently no rate available.
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $5,027 ($ Thousands).

AUD — Australian Dollar

CAD — Canadian Dollar

CHF — Swiss Franc

Cl — Class

DKK — Danish Krone

EUR — Euro

FTSE— Financial Times Stock Exchange

GBP — British Pound Sterling

HKD — Hong Kong Dollar

JPY — Japanese Yen

L.P. — Limited Partnership

Ltd. — Limited

NOK — Norwegian Krone

NZD — New Zealand Dollar

PLC — Public Limited Company

S&P— Standard & Poor's

SGD — Singapore Dollar

SEK — Swedish Krona

SPI — Share Price Index

TOPIX- Tokyo Price Index

USD — U.S. Dollar

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		1,604,253		829,071		–		2,433,324
Preferred Stock		–		2,385		–		2,385
Affiliated Partnership		–		5,027		–		5,027
Total Investments in Securities		1,604,253		836,483		–		2,440,736

Other Financial Instruments	Level 1 ($)			Level 2 ($)			Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		4			–			–		4
Unrealized Depreciation		(38	)		–			–		(38	)
Forwards Contracts*
Unrealized Appreciation		–			9,061			–		9,061
Unrealized Depreciation		–			(127	)		–		(127	)
Total Other Financial Instruments		(34	)		8,934			–		8,900

* Futures contracts and forwards contracts are valued at the unrealized appreciation (depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares			Income		Capital Gains
SEI Liquidity Fund, L.P.	$	21,842	$	103,841	$	(120,666	)	$	1	$	9	$	5,027		5,015,755	��	$	161	$	—
SEI Daily Income Trust, Government Fund, Cl F		—		247,700		(247,700	)		—		—		—		—			2		—
Totals	$	21,842	$	351,541	$	(368,366	)	$	1	$	9	$	5,027				$	163	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

34

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Equity Ex-US Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 93.3%
Argentina — 0.2%
Other Securities		0.2	%			$	14,324
Australia — 2.7%
Qantas Airways Ltd *		0.6			17,316,830		61,570
Other Securities		2.1					193,349
							254,919
Austria — 0.4%
Other Securities		0.4					37,467
Belgium — 0.5%
Other Securities		0.5					44,643
Brazil — 1.0%
Other Securities		1.0					95,016
Canada — 3.4%
Other Securities (A)		3.4					322,514
China — 2.0%
Midea Group Co Ltd, Cl A		0.5			4,859,057		51,653
Other Securities		1.5					140,324
							191,977
Denmark — 3.6%
Danske Bank A/S		0.5			2,995,352		48,957
Novo Nordisk A/S, Cl B		1.2			1,084,473		115,706
Other Securities		1.9					180,356
							345,019

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Finland — 0.4%
Other Securities		0.4	%			$	38,618
France — 7.3%
BNP Paribas SA		0.5			707,800		43,715
Cie de Saint-Gobain		0.7			1,002,039		63,270
Sanofi		0.7			747,032		70,595
Sodexo SA		1.0			1,094,488		91,258
Stellantis NV *		0.4			2,212,572		37,465
Other Securities		4.0					389,151
							695,454
Germany — 4.0%
Rheinmetall AG		0.5			528,540		46,715
Other Securities (A)		3.5					337,362
							384,077
Hong Kong — 6.2%
Alibaba Group Holding Ltd *		0.5			2,913,040		47,056
Alibaba Group Holding Ltd ADR *		0.1			95,518		12,181
Samsonite International SA *		0.6			29,593,650		55,225
Topsports International Holdings Ltd		0.5			41,064,000		47,510
Other Securities		4.5					434,710
							596,682
Hungary — 0.3%
Other Securities		0.3					30,571
India — 1.6%
Other Securities		1.6					153,899
Indonesia — 0.0%
Other Securities		0.0					2,140
Ireland — 2.1%
Bank of Ireland Group PLC *		0.5			9,065,645		48,742
ICON PLC *		0.9			298,768		80,808
Other Securities		0.7					68,773
							198,323
Israel — 1.6%
Bank Leumi Le-Israel BM		0.6			5,496,359		53,208
Check Point Software Technologies Ltd *		0.5			433,616		48,266
Other Securities		0.5					55,447
							156,921
Italy — 3.0%
Stellantis NV *		0.7			4,143,263		70,389

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

35

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Equity Ex-US Fund (Continued)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Italy (continued)
UniCredit SpA		0.5	%		3,799,127	$	45,342
Other Securities		1.8					175,950
							291,681
Japan — 13.3%
Asahi Group Holdings Ltd		0.6			1,646,800		60,458
Hitachi Ltd		0.6			1,011,400		59,198
Mitsubishi UFJ Financial Group Inc		0.6			12,091,000		63,456
ORIX Corp		0.8			3,992,800		77,878
Recruit Holdings Co Ltd		0.7			1,124,360		67,933
Sony Group Corp		0.9			699,771		84,779
Other Securities (A)		9.1					866,330
							1,280,032
Malaysia — 0.1%
Other Securities		0.1					5,722
Mexico — 0.3%
Other Securities		0.3					32,717
Netherlands — 5.8%
ASML Holding NV		1.4			166,189		130,033
ING Groep NV		0.7			4,916,753		67,276
NN Group NV		0.6			1,114,017		54,843
Other Securities		3.1					300,144
							552,296
New Zealand — 0.0%
Other Securities		0.0					1,464
Norway — 1.1%
DNB Bank ASA		0.6			2,597,358		56,253
Other Securities (A)		0.5					50,207
							106,460
Peru — 0.0%
Other Securities		0.0					1,248
Poland — 0.4%
Other Securities		0.4					35,985
Portugal — 0.5%
EDP - Energias de Portugal SA		0.5			8,390,810		45,763
Qatar — 0.1%
Other Securities		0.1					7,883

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Russia — 0.1%
Other Securities		0.1	%			$	5,429
Saudi Arabia — 0.7%
Other Securities		0.7					66,108
Singapore — 0.0%
Other Securities		0.0					1,323
South Africa — 0.1%
Other Securities		0.1					11,937
South Korea — 5.2%
Coway Co Ltd		0.5			816,401		46,506
KB Financial Group Inc		0.5			1,059,868		47,358
Kia Corp		0.5			796,155		51,834
Samsung Electronics Co Ltd		0.9			1,498,798		89,857
SK Hynix Inc		0.6			627,130		59,482
Other Securities (A)		2.2					201,355
							496,392
Spain — 0.8%
Other Securities		0.8					78,017
Sweden — 2.0%
Other Securities		2.0					196,176
Switzerland — 5.6%
Holcim Ltd		0.5			1,053,059		50,551
Nestle SA		1.1			813,470		103,342
Roche Holding AG		1.6			403,177		156,661
Other Securities		2.4					226,365
							536,919
Taiwan — 3.2%
Taiwan Semiconductor Manufacturing Co Ltd		0.5			2,046,267		43,486
Taiwan Semiconductor Manufacturing Co Ltd ADR		0.2			189,684		22,222
Other Securities		2.5					244,092
							309,800
Thailand — 0.7%
Siam Commercial Bank PCL/The		0.6			16,592,700		60,236
Other Securities		0.1					10,077
							70,313
Turkey — 0.0%
Other Securities		0.0					1,209

36

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
United Arab Emirates — 0.1%
Other Securities		0.1	%			$	12,368
United Kingdom — 11.1%
Anglo American PLC		0.7			1,748,037		63,967
ConvaTec Group PLC		0.5			18,228,237		46,568
Diageo PLC		0.6			1,162,203		58,248
Informa PLC *		0.5			8,310,059		51,174
Kingfisher PLC		1.0			22,375,878		93,585
Melrose Industries PLC		0.9			47,396,018		90,161
NatWest Group PLC		0.7			24,687,502		69,316
Nomad Foods Ltd *		0.7			2,572,653		61,461
Smith & Nephew PLC		0.5			3,168,360		50,780
Other Securities (A)		5.0					479,525
							1,064,785
United States — 1.8%
Baker Hughes Co, Cl A		0.6			2,476,796		57,808
Berry Global Group Inc *		0.5			716,332		49,463
Other Securities		0.7					63,566
							170,837
Total Common Stock
(Cost $7,818,588) ($ Thousands)							8,945,428
PREFERRED STOCK — 0.4%
Brazil — 0.1%
Other Securities (B)		0.1					12,238

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
PREFERRED STOCK (continued)
South Korea — 0.3%
Samsung Electronics Co Ltd		0.3	%		455,426	$	24,570
Total Preferred Stock
(Cost $43,044) ($ Thousands)							36,808
EXCHANGE TRADED FUNDS — 0.1%
Other Securities		0.1					11,488
Total Exchange Traded Funds
(Cost $11,427) ($ Thousands)							11,488
RIGHT — 0.0%
Hong Kong — 0.0%
Other Securities*		0.0					70
Total Right
(Cost $–) ($ Thousands)							70
AFFILIATED PARTNERSHIP — 0.4%
SEI Liquidity Fund, L.P.
0.020% **†(C)		0.4			36,623,135		36,636
Total Affiliated Partnership
(Cost $36,622) ($ Thousands)							36,636
CASH EQUIVALENT — 2.9%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		2.9			276,088,938		276,089
Total Cash Equivalent
(Cost $276,089) ($ Thousands)							276,089
Total Investments in Securities — 97.1%
(Cost $8,185,770)($ Thousands)						$	9,306,519

A list of the open futures contracts held by the Fund at November 30, 2021 is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Euro STOXX 50		3,134		Dec-2021	$	149,066	$	143,821	$	(1,686	)
FTSE 100 Index		660		Dec-2021		63,299		61,817		(63	)
Hang Seng Index		82		Jan-2022		12,740		12,346		(396	)
S&P TSX 60 Index		231		Dec-2021		45,085		44,875		339
SPI 200 Index		287		Dec-2021		38,029		36,787		(421	)
TOPIX Index		595		Dec-2021		106,170		99,354		(5,554	)
					$	414,389	$	399,000	$	(7,781	)

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

37

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Equity Ex-US Fund (Continued)

A list of the open forward foreign currency contracts held by the Fund at November 30, 2021 is as follows:

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Bank of America		12/09/21		ILS	40,353		USD	12,587	$	(227	)
Bank of America		01/14/22		GBP	2,781		USD	3,740		58
Bank of America		01/14/22		USD	4,232		GBP	3,169		(36	)
Bank of America		01/20/22		USD	4,652		SEK	40,186		(215	)
Bank of America		02/08/22		USD	2,263		AUD	3,071		(85	)
Bank of America		02/09/22		USD	5,596		JPY	637,285		23
Bank of America		02/10/22		CAD	3,503		USD	2,742		10
Barclays PLC		01/07/22		USD	2,248		INR	168,135		(19	)
Barclays PLC		01/07/22		INR	170,842		USD	2,262		(3	)
Barclays PLC		01/14/22		GBP	8,170		USD	10,971		155
Barclays PLC		01/20/22		KRW	5,362,250		USD	4,553		28
Barclays PLC		02/09/22		USD	7,348		JPY	844,845		102
Barclays PLC		02/09/22		JPY	415,033		USD	3,624		(36	)
BNP Paribas		12/02/21		BRL	12,446		USD	2,238		35
BNP Paribas		12/07/21		HUF	6,298,238		USD	21,266		1,858
BNP Paribas		01/20/22		TWD	74,260		USD	2,683		(9	)
Citigroup		01/20/22		TWD	183,403		USD	6,613		(37	)
Citigroup		01/20/22		KRW	40,475,638		USD	34,301		141
Citigroup		02/08/22		AUD	4,594		USD	3,317		59
Citigroup		02/09/22		JPY	15,447,523		USD	135,704		(509	)
Citigroup		02/10/22		CAD	4,223		USD	3,319		25
Citigroup		02/10/22		USD	5,557		EUR	4,926		—
Citigroup		02/10/22		USD	15,011		EUR	13,260		(52	)
Credit Suisse First Boston		01/20/22		USD	4,491		SEK	38,440		(246	)
Deutsche Bank		12/15/21		USD	21,165		RUB	1,559,637		(262	)
Deutsche Bank		01/20/22		DKK	14,068		USD	2,186		53
Deutsche Bank		02/10/22		USD	8,791		EUR	7,792		—
Deutsche Bank		02/10/22		EUR	152,736		USD	176,582		4,286
Goldman Sachs		12/15/21		RUB	161,525		USD	2,132		(33	)
Goldman Sachs		01/07/22		USD	2,233		INR	167,510		(12	)
Goldman Sachs		01/07/22		INR	183,388		USD	2,457		26
Goldman Sachs		01/13/22		USD	11,851		CHF	10,969		27
Goldman Sachs		01/13/22		USD	61,314		CHF	56,255		(398	)
Goldman Sachs		01/20/22		USD	2,741		TWD	75,687		3
Goldman Sachs		02/08/22		USD	2,868		AUD	3,987		(40	)
Goldman Sachs		02/10/22		USD	11,788		EUR	10,261		(213	)
HSBC		12/07/21		PLN	58,354		USD	15,130		1,026
HSBC		01/07/22		USD	16,983		INR	1,273,479		(101	)
HSBC		01/14/22		USD	6,169		GBP	4,629		(40	)
HSBC		01/20/22		TWD	124,547		USD	4,487		(29	)
HSBC		01/20/22		KRW	7,952,390		USD	6,667		(45	)
JPMorgan Chase Bank		12/07/21		USD	2,218		PLN	9,196		5
JPMorgan Chase Bank		01/13/22		CHF	10,025		USD	10,857		1
JPMorgan Chase Bank		01/13/22		CHF	10,310		USD	11,157		(7	)
JPMorgan Chase Bank		01/20/22		USD	9,962		DKK	63,924		(269	)
JPMorgan Chase Bank		01/20/22		SEK	78,626		USD	9,012		330
Morgan Stanley		12/02/21		USD	28,805		BRL	161,369		(237	)

38

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Morgan Stanley		12/15/21		USD	2,166		RUB	159,261	$	(31	)
Morgan Stanley		01/07/22		INR	176,906		USD	2,349		3
Morgan Stanley		01/13/22		CHF	240		USD	262		2
Morgan Stanley		01/14/22		USD	8,438		GBP	6,322		(68	)
Morgan Stanley		01/20/22		USD	55,786		TWD	1,561,441		826
Morgan Stanley		01/20/22		TWD	118,704		USD	4,279		(24	)
Morgan Stanley		01/20/22		KRW	5,823,390		USD	4,901		(14	)
Morgan Stanley		01/25/22		USD	17,303		ZAR	275,493		(232	)
Morgan Stanley		02/09/22		JPY	1,030,462		USD	9,059		(28	)
Morgan Stanley		02/10/22		EUR	1,969		USD	2,215		(6	)
Morgan Stanley		02/10/22		USD	19,000		EUR	16,799		(50	)
Morgan Stanley		02/10/22		HKD	20,875		USD	2,679		1
Morgan Stanley		02/10/22		USD	118,270		CAD	148,866		(2,151	)
National Bank of Australia		02/08/22		USD	50,659		AUD	68,490		(2,077	)
RBS		01/13/22		MXN	126,276		USD	6,184		357
RBS		01/14/22		USD	6,818		GBP	5,120		(40	)
RBS		02/10/22		EUR	1,967		USD	2,255		36
RBS		02/10/22		USD	19,985		HKD	155,609		(23	)
Standard Bank		01/07/22		USD	2,154		INR	162,167		(5	)
Standard Bank		01/20/22		TWD	209,676		USD	7,572		(30	)
Standard Bank		02/09/22		USD	770		JPY	87,531		2
Standard Bank		02/10/22		USD	12,080		EUR	10,607		(115	)
UBS		12/02/21		BRL	148,923		USD	26,585		220
UBS		12/07/21		USD	2,229		PLN	9,270		12
UBS		01/04/22		USD	24,144		BRL	136,228		(197	)
UBS		01/07/22		INR	256,625		USD	3,385		(16	)
UBS		01/13/22		CHF	17,963		USD	19,639		188
UBS		01/13/22		CHF	2,367		USD	2,561		(2	)
UBS		01/14/22		USD	12,400		SGD	16,709		(213	)
UBS		02/08/22		AUD	4,439		USD	3,184		35
									$	1,451

	Percentages are based on a Net Assets of $9,589,013 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
(A)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021, was $35,839 ($ Thousands).
(B)	There is currently no rate available.
(C)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $36,636 ($ Thousands).

ADR — American Depositary Receipt

AUD — Australian Dollar

BRL — Brazilian Real

CAD — Canadian Dollar

CHF — Swiss Franc

Cl — Class

DKK — Danish Krone

EUR — Euro

FTSE— Financial Times Stock Exchange

GBP — British Pound Sterling

HKD — Hong Kong Dollar

HUF — Hungarian Forint

INR — Indian Rupee

ILS — Israeli New Sheckels

JPY — Japanese Yen

KRW — Korean Won

L.P. — Limited Partnership

Ltd. — Limited

MXN – Mexican Peso

PLC — Public Limited Company

PLN — Polish Zloty

RUB — Russian Ruble

S&P— Standard & Poor's

SGD — Singapore Dollar

SEK — Swedish Krona

SPI — Share Price Index

TOPIX- Tokyo Price Index

TSX — Toronto Stock Exchange

TWD — Taiwan Dollar

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

39

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Equity Ex-US Fund (Concluded)

USD — U.S. Dollar

ZAR — South African Rand

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)			Total ($)
Common Stock		8,885,267		60,161		–			8,945,428
Preferred Stock		36,808		–		–			36,808
Exchange Traded Funds		11,488		–		–			11,488
Right		70		–		–	^		70
Affiliated Partnership		–		36,636		–			36,636
Cash Equivalent		276,089		–		–			276,089
Total Investments in Securities		9,209,722		96,797		–	^		9,306,519

Other Financial Instruments	Level 1 ($)			Level 2 ($)			Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Appreciation		339			–			–		339
Unrealized Depreciation		(8,120	)		–			–		(8,120	)
Forwards Contracts*
Unrealized Appreciation		–			9,933			–		9,933
Unrealized Depreciation		–			(8,482	)		–		(8,482	)
Total Other Financial Instruments		(7,781	)		1,451			–		(6,330	)

(1) A reconciliation of Level 3 investments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

^ Securities market value less than $500.

* Futures contracts and forward contracts are valued at the unrealized appreciation (depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in our out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	145,937	$	345,356	$	(454,660	)	$	11	$	(8	)	$	36,636		36,623,135	$	611	$	—
SEI Daily Income Trust, Government Fund, Cl F		342,536		519,565		(586,012	)		—		—			276,089		276,088,938		11		—
Totals	$	488,473	$	864,921	$	(1,040,672	)	$	11	$	(8	)	$	312,725			$	622	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

40

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Screened World Equity Ex-US Fund

^† Percentages are based on total investments.

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 96.2%
Argentina — 0.2%
Other Securities		0.2	%			$	240
Australia — 2.8%
Qantas Airways Ltd *		1.0			352,672		1,254
Other Securities		1.8					2,324
							3,578
Austria — 0.7%
Other Securities		0.7					847
Belgium — 0.3%
Other Securities		0.3					361
Brazil — 0.8%
Other Securities		0.8					1,012
Canada — 4.4%
BRP Inc		0.7			11,147		877
Other Securities		3.7					4,683
							5,560
China — 2.5%
Midea Group Co Ltd, Cl A		0.8			95,400		1,014
Other Securities		1.7					2,083
							3,097
Denmark — 5.1%
AP Moller - Maersk A/S, Cl B		0.7			276		823
Danske Bank A/S		0.7			55,414		906
DSV A/S		0.8			4,844		1,044
Novo Nordisk A/S, Cl B		1.3			15,559		1,660
Other Securities		1.6					2,018
							6,451

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Finland — 0.6%
Other Securities		0.6	%			$	757
France — 6.0%
Cie de Saint-Gobain		0.9			18,335		1,158
LVMH Moet Hennessy Louis Vuitton SE		0.7			1,158		895
Sanofi		0.6			7,883		745
Sodexo SA		0.6			9,416		785
Other Securities		3.2					3,945
							7,528
Germany — 2.5%
Merck KGaA		0.7			3,586		883
Rheinmetall AG		0.7			10,015		885
Other Securities		1.1					1,414
							3,182
Hong Kong — 7.3%
Samsonite International SA *		0.9			640,330		1,195
Topsports International Holdings Ltd		0.7			758,000		877
Xinyi Glass Holdings Ltd		0.6			296,000		720
Other Securities		5.1					6,472
							9,264
Hungary — 0.0%
Other Securities		0.0					16
India — 2.6%
HDFC Bank Ltd ADR		0.7			12,853		842
Tech Mahindra Ltd		0.7			45,474		931
Other Securities		1.2					1,541
							3,314
Indonesia — 0.0%
Other Securities		0.0					22
Ireland — 1.3%
ICON PLC *		1.0			4,669		1,263
Other Securities		0.3					350
							1,613
Israel — 2.2%
Check Point Software Technologies Ltd *		1.0			10,899		1,213
Other Securities		1.2					1,591
							2,804
Italy — 3.3%
Eni SpA		0.6			59,434		778
Stellantis NV *		1.1			81,813		1,390

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

41

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Screened World Equity Ex-US Fund (Continued)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Italy (continued)
UniCredit SpA		0.7	%		69,283	$	827
Other Securities		0.9					1,147
							4,142
Japan — 9.2%
Asahi Group Holdings Ltd		0.7			25,300		929
Fujitsu Ltd		0.7			5,500		913
Hitachi Ltd		1.0			22,400		1,311
Nippon Telegraph & Telephone Corp		0.6			28,040		770
ORIX Corp		0.8			52,500		1,024
Other Securities		5.4					6,677
							11,624
Malaysia — 0.1%
Other Securities		0.1					110
Netherlands — 7.5%
ASML Holding NV		2.1			3,400		2,660
ING Groep NV		1.1			103,003		1,410
Koninklijke Philips NV		0.6			23,356		815
NN Group NV		1.2			32,631		1,606
Wolters Kluwer NV		1.0			10,740		1,196
Other Securities		1.5					1,850
							9,537
New Zealand — 0.2%
Other Securities		0.2					244
Norway — 1.8%
DNB Bank ASA		0.9			55,238		1,196
Other Securities		0.9					1,126
							2,322
Peru — 0.0%
Other Securities		0.0					12
Poland — 0.7%
Other Securities		0.7					850
Qatar — 0.0%
Other Securities		0.0					50
Russia — 0.3%
Other Securities		0.3					377
Singapore — 0.3%
Other Securities		0.3					433
South Africa — 0.5%
Other Securities		0.5					653

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
South Korea — 5.5%
Coway Co Ltd		0.9	%		19,373	$	1,104
Samsung Electronics Co Ltd GDR		0.7			564		844
Other Securities		3.9					4,952
							6,900
Spain — 0.6%
Other Securities		0.6					781
Sweden — 1.8%
Other Securities		1.8					2,296
Switzerland — 5.7%
Holcim Ltd		0.9			23,807		1,143
Partners Group Holding AG		0.7			502		861
Roche Holding AG		1.3			4,229		1,643
Other Securities		2.8					3,615
							7,262
Taiwan — 4.6%
Hon Hai Precision Industry Co Ltd		0.7			242,000		895
Taiwan Semiconductor Manufacturing Co Ltd		0.3			22,000		467
Taiwan Semiconductor Manufacturing Co Ltd ADR		0.5			5,162		605
Other Securities		3.1					3,818
							5,785
Thailand — 1.9%
Siam Commercial Bank PCL/The		1.0			351,500		1,276
Other Securities		0.9					1,068
							2,344
Turkey — 0.0%
Other Securities		0.0					33
United Arab Emirates — 0.0%
Other Securities		0.0					41
United Kingdom — 11.7%
Atlassian Corp PLC, Cl A *		0.6			2,146		808
GlaxoSmithKline PLC ADR		0.7			20,473		842
Informa PLC *		0.7			140,634		866
Kingfisher PLC		0.9			272,902		1,141
Melrose Industries PLC		0.8			529,205		1,007
NatWest Group PLC		1.0			453,389		1,273
Nomad Foods Ltd *		0.9			45,710		1,092
Other Securities		6.1					7,821
							14,850

42

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
United States — 1.2%
Berry Global Group Inc *		0.8	%		14,558	$	1,005
Other Securities		0.4					558
							1,563
Total Common Stock
(Cost $107,628) ($ Thousands)							121,855
PREFERRED STOCK — 0.4%
Brazil — 0.2%
Other Securities (A)		0.2					274

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
PREFERRED STOCK (continued)
Germany — 0.2%
Other Securities (A)		0.2	%			$	167
Total Preferred Stock
(Cost $528) ($ Thousands)							441
CASH EQUIVALENT — 1.6%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		1.6			2,045,356		2,045
Total Cash Equivalent
(Cost $2,045) ($ Thousands)							2,045
Total Investments in Securities — 98.2%
(Cost $110,201)($ Thousands)						$	124,341

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Euro STOXX 50		16		Dec-2021	$	778	$	734	$	(27	)
FTSE 100 Index		5		Dec-2021		489		469		(12	)
S&P TSX 60 Index		1		Dec-2021		207		194		(8	)
SPI 200 Index		1		Dec-2021		133		128		(3	)
TOPIX Index		4		Dec-2021		704		668		(39	)
					$	2,311	$	2,193	$	(89	)

	Percentages are based on a Net Assets of $126,670 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
(A)	There is currently no rate available.

Cl — Class

FTSE— Financial Times Stock Exchange

GDR — Global Depositary Receipt

Ltd. — Limited

PLC — Public Limited Company

S&P— Standard & Poor's

SPI — Share Price Index

TOPIX — Tokyo Price Index

TSX — Toronto Stock Exchange

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)			Total ($)
Common Stock		19,213		102,642		–	^		121,855
Preferred Stock		274		167		–			441
Cash Equivalent		2,045		–		–			2,045
Total Investments in Securities		21,532		102,809		–			124,341

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Depreciation		(89	)		–		–		(89	)
Total Other Financial Instruments		(89	)		–		–		(89	)

* Futures contracts are valued at the unrealized depreciation on the instrument.

(1) A reconciliation of Level 3 investments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

^ Securities market value less than $500.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in the Notes to Financial Statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

43

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Screened World Equity Ex-US Fund (Concluded)

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	2,266	$	3,335	$	(3,556	)	$	—	$	—	$	2,045		2,045,356	$	—	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

44

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Select Equity Fund

^† Percentages are based on total investments.

Description	Percentage of Net Assets (%)			Shares	Market Value ($ Thousands)
COMMON STOCK — 90.4%
Argentina — 0.0%
Other Securities		0.0	%		$	34
Australia — 0.1%
Other Securities ‡		0.1				214
Austria — 0.3%
Other Securities		0.3				723
Belgium — 0.2%
Other Securities		0.2				596
Brazil — 0.3%
Other Securities		0.3				797
Canada — 0.9%
Other Securities ‡		0.9				2,510
Chile — 0.1%
Other Securities		0.1				193
China — 2.0%
Other Securities		2.0				5,349
Croatia — 0.0%
Other Securities		0.0				122
Czech Republic — 0.1%
Other Securities		0.1				279
Denmark — 0.1%
Other Securities		0.1				294
Egypt — 0.0%
Other Securities		0.0				18

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Estonia — 0.1%
Other Securities		0.1	%			$	283
Finland — 0.5%
Other Securities		0.5					1,393
France — 2.7%
Other Securities		2.7					7,219
Germany — 2.0%
Allianz SE		0.4			5,164		1,116
Other Securities		1.6					4,185
							5,301
Greece — 0.1%
Other Securities		0.1					195
Hong Kong — 1.7%
Other Securities		1.7					4,430
Hungary — 0.9%
Other Securities		0.9					2,339
India — 1.5%
Other Securities		1.5					3,992
Indonesia — 0.1%
Other Securities		0.1					207
Ireland — 0.4%
Other Securities		0.4					1,038
Israel — 0.1%
Other Securities		0.1					197
Italy — 0.8%
Other Securities		0.8					2,164
Japan — 11.3%
Japan Tobacco Inc		0.4			58,700		1,170
Nippon Telegraph & Telephone Corp		0.5			46,100		1,266
Oracle Corp Japan		0.0			300		29
Sony Group Corp		0.5			10,500		1,272
Other Securities ‡		9.9					26,277
							30,014
Malaysia — 0.2%
Other Securities		0.2					608

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

45

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Select Equity Fund (Continued)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Mexico — 0.1%
Other Securities		0.1	%			$	243
Netherlands — 1.9%
CNH Industrial NV		0.4			64,000		1,047
Koninklijke Ahold Delhaize NV		0.5			40,427		1,348
Other Securities		1.0					2,633
							5,028
New Zealand — 0.0%
Other Securities		0.0					54
Nigeria — 0.0%
Other Securities		0.0					16
Norway — 0.1%
Other Securities		0.1					129
Pakistan — 0.0%
Other Securities		0.0					76
Philippines — 0.1%
Other Securities		0.1					340
Poland — 1.2%
Other Securities		1.2					3,268
Portugal — 0.1%
Other Securities		0.1					158
Romania — 0.6%
Other Securities		0.6					1,456
Russia — 0.9%
Other Securities		0.9					2,294
Saudi Arabia — 0.2%
Other Securities		0.2					479
Singapore — 0.2%
Other Securities		0.2					457
South Africa — 0.4%
Other Securities		0.4					1,091
South Korea — 1.9%
Samsung Electronics Co Ltd		0.3			11,643		698
Samsung Electronics Co Ltd GDR		0.6			960		1,441
Other Securities		1.0					2,878
							5,017

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Spain — 0.4%
Other Securities		0.4	%			$	1,101
Sweden — 0.3%
Other Securities		0.3					754
Switzerland — 1.2%
Roche Holding AG		0.5			3,490		1,356
Other Securities		0.7					1,707
							3,063
Taiwan — 2.2%
Taiwan Semiconductor Manufacturing Co Ltd		0.7			86,718		1,843
Other Securities		1.5					4,055
							5,898
Thailand — 0.2%
Other Securities		0.2					486
Turkey — 0.4%
Other Securities		0.4					976
United Arab Emirates — 0.0%
Other Securities		0.0					20
United Kingdom — 4.0%
Linde PLC		0.4			3,464		1,102
Other Securities ‡		3.6					9,553
							10,655
United States — 47.5%
Communication Services — 3.2%
Alphabet Inc, Cl A *		1.2			1,067		3,028
Alphabet Inc, Cl C *		0.4			336		957
AT&T Inc		0.4			47,000		1,073
Facebook Inc, Cl A *		0.5			4,183		1,357
Other Securities		0.7					2,119
							8,534
Consumer Discretionary — 8.4%
Advance Auto Parts Inc		0.6			7,200		1,589
AutoZone Inc *		0.6			923		1,677
Dollar Tree Inc *		0.5			9,900		1,325
eBay Inc		0.4			17,702		1,194
Lowe's Cos Inc		1.1			11,628		2,844
NIKE Inc, Cl B		0.5			7,362		1,246
Target Corp		0.5			5,739		1,399
Other Securities		4.2					10,969
							22,243

46

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Consumer Staples — 2.6%
PepsiCo Inc		0.5	%		8,344	$	1,333
Other Securities		2.1					5,582
							6,915
Energy — 2.1%
Chevron Corp		0.5			11,600		1,309
Other Securities		1.6					4,142
							5,451
Financials — 8.4%
Allstate Corp/The		0.6			14,400		1,566
Ally Financial Inc		0.7			41,564		1,905
American International Group Inc		0.5			22,800		1,199
Equitable Holdings Inc		0.5			40,220		1,265
Moody's Corp		1.0			6,816		2,663
MSCI Inc, Cl A		0.6			2,315		1,457
Wells Fargo & Co		0.5			29,700		1,419
Other Securities ‡		4.0					10,711
							22,185
Health Care — 6.8%
AmerisourceBergen Corp, Cl A		0.4			9,500		1,100
CVS Health Corp		0.6			17,191		1,531
Johnson & Johnson		0.8			13,176		2,055
Merck & Co Inc		0.5			17,875		1,339
United Therapeutics Corp *		0.4			5,700		1,080
UnitedHealth Group Inc		1.0			6,251		2,777
Other Securities		3.1					8,220
							18,102
Industrials — 4.9%
Carrier Global Corp		0.4			18,989		1,028
Parker-Hannifin Corp		0.4			3,274		989
Union Pacific Corp		0.4			4,920		1,159
Other Securities		3.7					9,883
							13,059
Information Technology — 8.4%
Analog Devices Inc		0.4			5,730		1,033
Apple Inc		0.8			13,457		2,224
DXC Technology Co *		0.6			52,980		1,589
Intel Corp		0.6			34,250		1,685
International Business Machines Corp		0.5			11,338		1,328
Lam Research Corp		0.4			1,657		1,126
Mastercard Inc, Cl A		0.5			3,932		1,238
Microsoft Corp		1.7			13,142		4,345
Oracle Corp		0.7			21,432		1,945
Other Securities		2.2					5,787
							22,300

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Information Technology (continued)
Materials — 1.6%
Sherwin-Williams Co/The		0.5	%		4,447	$	1,473
Other Securities		1.1					2,887
							4,360
Real Estate — 0.4%
Other Securities ‡		0.4					944
Utilities — 0.7%
National Fuel Gas Co		0.5			21,800		1,260
Other Securities		0.2					502
							1,762
							125,855
Total Common Stock
(Cost $192,996) ($ Thousands)							239,423
PREFERRED STOCK — 0.6%
Brazil — 0.2%
Other Securities (A)		0.2					633
Germany — 0.4%
Other Securities (A)		0.4					968
Total Preferred Stock
(Cost $1,776) ($ Thousands)							1,601
CASH EQUIVALENT — 2.1%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		2.1			5,633,778		5,634
Total Cash Equivalent
(Cost $5,634) ($ Thousands)							5,634
Total Investments in Securities — 93.1%
(Cost $200,406)($ Thousands)						$	246,658
				Contracts
PURCHASED OPTION*(B) — 0.0%
Total Purchased Option
(Cost $29 ) ($ Thousands)					6,788,968	$	33

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

47

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Select Equity Fund (Continued)

A list of the open exchange traded options contracts held by the Fund at November 30, 2021 is as follows:

Description	Number of Contracts		Notional Amount (Thousands) ††		Exercise Price		Expiration Date	Value (Thousands)
PURCHASED OPTION — 0.0%
Put Option
December2021, EUR Call JPY Put*		6,788,968	$	29	$	128	12/18/2021	$	33
Total Purchased Option			$	29				$	33

^†† Represents cost.

A list of the open futures contracts held by the Fund at November 30, 2021 is as follows:

Type of Contract	Number of Contracts			Expiration Date		Notional Amount (Thousands)			Value (Thousands)			Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
Euro STOXX 50		112			Dec-2021	$	5,307		$	5,140		$	(112	)
FTSE 100 Index		17			Dec-2021		1,632			1,592			(20	)
Hang Seng Index		8			Jan-2022		1,265			1,205			(60	)
MSCI Singapore Index		18			Jan-2022		478			452			(26	)
OMX Stockholm 30		29			Dec-2021		763			717			(33	)
S&P 500 Index E-MINI		121			Dec-2021		26,902			27,626			724
S&P TSX 60 Index		25			Dec-2021		4,843			4,857			89
SPI 200 Index		25			Dec-2021		3,380			3,204			(67	)
							44,570			44,793			495
Short Contracts
MSCI Emerging Markets		(188	)		Dec-2021	$	(12,026	)	$	(11,396	)	$	630
TOPIX Index		(74	)		Dec-2021		(13,626	)		(12,357	)		957
							(25,652	)		(23,753	)		1,587
						$	18,918		$	21,040		$	2,082

A list of the open forward foreign currency contracts held by the Fund at November 30, 2021 is as follows:

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Brown Brothers Harriman		12/13/21		NZD	46		USD	32	$	1
Brown Brothers Harriman		12/13/21		NZD	72		USD	49		—
Brown Brothers Harriman		12/13/21		USD	82		SEK	744		—
Brown Brothers Harriman		12/13/21		USD	113		NOK	1,028		—
Brown Brothers Harriman		12/13/21		USD	163		SGD	224		—
Brown Brothers Harriman		12/13/21		USD	209		HKD	1,627		—
Brown Brothers Harriman		12/13/21		USD	9		NZD	13		—
Brown Brothers Harriman		12/13/21		USD	225		NZD	316		(11	)
Brown Brothers Harriman		12/13/21		USD	261		DKK	1,725		—
Brown Brothers Harriman		12/13/21		SGD	302		USD	220		—
Brown Brothers Harriman		12/13/21		USD	606		NOK	5,170		(38	)
Brown Brothers Harriman		12/13/21		SGD	835		USD	619		10
Brown Brothers Harriman		12/13/21		USD	974		CAD	1,249		—
Brown Brothers Harriman		12/13/21		USD	996		CHF	921		1
Brown Brothers Harriman		12/13/21		USD	1,024		SGD	1,381		(17	)

48

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
Brown Brothers Harriman		12/13/21		NOK	1,183		USD	130	$	—
Brown Brothers Harriman		12/13/21		AUD	1,559		USD	1,140		34
Brown Brothers Harriman		12/13/21		AUD	2,037		USD	1,444		—
Brown Brothers Harriman		12/13/21		CHF	2,110		USD	2,278		(3	)
Brown Brothers Harriman		12/13/21		GBP	2,199		USD	2,910		—
Brown Brothers Harriman		12/13/21		USD	2,641		DKK	16,948		(75	)
Brown Brothers Harriman		12/13/21		USD	2,776		HKD	21,626		(2	)
Brown Brothers Harriman		12/13/21		CAD	2,965		USD	2,311		(1	)
Brown Brothers Harriman		12/13/21		NOK	3,399		USD	396		23
Brown Brothers Harriman		12/13/21		USD	3,593		SEK	30,767		(200	)
Brown Brothers Harriman		12/13/21		DKK	3,986		USD	603		—
Brown Brothers Harriman		12/13/21		CHF	4,010		USD	4,399		63
Brown Brothers Harriman		12/13/21		HKD	5,192		USD	666		—
Brown Brothers Harriman		12/13/21		DKK	5,275		USD	819		20
Brown Brothers Harriman		12/13/21		HKD	5,358		USD	687		—
Brown Brothers Harriman		12/13/21		CAD	5,949		USD	4,768		130
Brown Brothers Harriman		12/13/21		EUR	6,780		USD	7,631		(4	)
Brown Brothers Harriman		12/13/21		USD	183		AUD	259		—
Brown Brothers Harriman		12/13/21		USD	6,673		AUD	9,048		(257	)
Brown Brothers Harriman		12/13/21		SEK	8,032		USD	933		48
Brown Brothers Harriman		12/13/21		SEK	8,175		USD	901		(1	)
Brown Brothers Harriman		12/13/21		USD	9,294		CHF	8,465		(141	)
Brown Brothers Harriman		12/13/21		GBP	10,324		USD	13,966		304
Brown Brothers Harriman		12/13/21		USD	10,747		CAD	13,369		(322	)
Brown Brothers Harriman		12/13/21		USD	12,401		EUR	11,014		3
Brown Brothers Harriman		12/13/21		USD	16,540		JPY	1,879,020		15
Brown Brothers Harriman		12/13/21		USD	4,149		GBP	3,135		—
Brown Brothers Harriman		12/13/21		USD	14,296		GBP	10,567		(312	)
Brown Brothers Harriman		12/13/21		USD	24,748		JPY	2,793,816		(135	)
Brown Brothers Harriman		12/13/21		USD	34,543		EUR	29,839		(940	)
Brown Brothers Harriman		12/13/21		EUR	36,327		USD	42,081		1,172
Brown Brothers Harriman		12/13/21		JPY	5,402,445		USD	47,860		265
Brown Brothers Harriman		12/13/21		JPY	909,781		USD	7,994		(21	)
									$	(391	)

	Percentages are based on a Net Assets of $264,802 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
‡	Real Estate Investment Trust.
†	Investment in Affiliated Security (see Note 6).
(A)	There is currently no rate available.
(B)	Refer to table below for details on Options Contracts.

AUD — Australian Dollar

CAD — Canadian Dollar

CHF — Swiss Franc

Cl — Class

DKK — Danish Krone

EUR — Euro

FTSE — Financial Times Stock Exchange

GBP — British Pound Sterling

GDR — Global Depositary Receipt

HKD — Hong Kong Dollar

JPY — Japanese Yen

Ltd — Limited

MSCI — Morgan Stanley Capital International

NOK — Norwegian Krone

NZD — New Zealand Dollar

OMX — Offset Market Exchange

PLC — Public Limited Company

S&P— Standard & Poor's

SEK — Swedish Krona

SGD — Singapore Dollar

SPI — Share Price Index

TOPIX- Tokyo Price Index

TSX — Toronto Stock Exchange

USD — U.S. Dollar

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

49

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

World Select Equity Fund (Concluded)

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)		Total ($)
Common Stock		239,283		115		25		239,423
Preferred Stock		1,601		–		–		1,601
Cash Equivalent		5,634		–		–		5,634
Total Investments in Securities		246,518		115		25		246,658

Other Financial Instruments	Level 1 ($)			Level 2 ($)			Level 3 ($)		Total ($)
Purchased Option		33			–			–		33
Futures Contracts*
Unrealized Appreciation		2,400			–			–		2,400
Unrealized Depreciation		(318	)		–			–		(318	)
Forwards Contracts*
Unrealized Appreciation		–			2,089			–		2,089
Unrealized Depreciation		–			(2,480	)		–		(2,480	)
Total Other Financial Instruments		2,115			(391	)		–		1,724

(1) A reconciliation of Level 3 investments is presented when the Fund has a significant amount of Level 3 investments at the beginning and/or end of the period in relation to net assets. Management has concluded that Level 3 investments are not material in relation to net assets.

* Futures contracts and forwards contracts are valued at the unrealized appreciation (depreciation) on the instrument.

For the period ended November 30, 2021, there were transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain/(Loss)		Change in Unrealized Appreciation/ (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	4,159	$	28,380	$	(26,905	)	$	—	$	—	$	5,634		5,633,778	$	—	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

50

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Emerging Markets Equity Fund

^† Percentages are based on total investments.

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK — 94.3%
Argentina — 0.3%
Other Securities		0.3	%			$	3,259
Austria — 0.1%
Other Securities		0.1					734
Bangladesh — 0.2%
Other Securities		0.2					2,776
Brazil — 2.8%
Other Securities		2.8					34,171
Canada — 1.5%
Other Securities		1.5					17,744
Chile — 0.8%
Other Securities		0.8					9,902
China — 9.6%
China Construction Bank Corp, Cl H		1.0			18,648,000		12,095
Li Ning Co Ltd		0.6			655,500		7,436
NetEase Inc ADR		0.7			79,467		8,561
Other Securities		7.3					88,447
							116,539
Colombia — 0.1%
Other Securities		0.1					1,189

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Czech Republic — 0.1%
Other Securities		0.1	%			$	954
Egypt — 0.2%
Other Securities		0.2					2,367
Greece — 0.9%
Other Securities		0.9					11,274
Hong Kong — 11.7%
AIA Group Ltd		0.4			456,240		4,803
Alibaba Group Holding Ltd ADR *		0.9			83,737		10,679
China Mengniu Dairy Co Ltd		0.4			896,000		4,990
China Resources Land Ltd		0.6			1,712,000		7,122
Industrial & Commercial Bank of China Ltd, Cl H		0.5			10,835,000		5,709
Techtronic Industries Co Ltd		0.4			250,500		5,137
Tencent Holdings Ltd		1.7			351,881		20,772
Zhongsheng Group Holdings Ltd		0.4			570,000		4,686
Other Securities		6.4					77,400
							141,298
Hungary — 0.6%
Other Securities		0.6					7,488
India — 10.4%
Divi's Laboratories Ltd		0.4			76,902		4,996
ICICI Bank Ltd ADR		0.6			376,218		6,945
Infosys Ltd ADR		0.4			209,758		4,736
Kotak Mahindra Bank Ltd		0.4			196,012		5,111
WNS Holdings Ltd ADR *		0.4			62,487		5,253
Other Securities		8.2					98,825
							125,866
Indonesia — 3.5%
Avia Avian *		0.6			120,000,000		7,792
Medikaloka Hermina Tbk PT		0.4			77,974,500		5,403
Other Securities		2.5					29,350
							42,545
Kenya — 0.2%
Other Securities		0.2					2,522
Malaysia — 0.1%
Other Securities		0.1					744

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

51

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Emerging Markets Equity Fund (Continued)

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Mexico — 2.1%
Grupo Financiero Banorte SAB de CV, Cl O		0.4	%		839,849	$	4,992
Other Securities		1.7					19,819
							24,811
Netherlands — 0.5%
Other Securities		0.5					6,431
Nigeria — 0.4%
Other Securities		0.4					4,440
Pakistan — 0.2%
Other Securities		0.2					2,986
Philippines — 2.5%
Ayala Corp		0.4			319,189		5,279
Other Securities		2.1					24,695
							29,974
Poland — 0.9%
Other Securities		0.9					10,467
Qatar — 0.0%
Other Securities		0.0					521
Russia — 3.2%
Gazprom PJSC ADR		0.5			599,104		5,382
LUKOIL PJSC ADR		0.9			122,921		10,839
Sberbank of Russia PJSC ADR		0.8			582,966		9,847
Other Securities		1.0					12,315
							38,383
Saudi Arabia — 2.0%
Saudi National Bank		0.4			343,597		5,532
Saudi Tadawul Group Holding *		0.4			164,800		4,612
Other Securities		1.2					14,660
							24,804
South Africa — 2.2%
Naspers Ltd, Cl N		0.5			37,692		5,782
Other Securities		1.7					20,349
							26,131
South Korea — 10.2%
Hana Financial Group Inc		0.5			198,081		6,577
Samsung Electronics Co Ltd		2.7			542,844		32,554
Other Securities		7.0					84,898
							124,029
Taiwan — 14.4%
Chailease Holding Co Ltd		0.6			793,670		7,017

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Taiwan (continued)
Fubon Financial Holding Co Ltd		0.6	%		2,824,700	$	7,417
MediaTek Inc		0.7			224,357		8,116
Silergy Corp		0.8			55,367		9,323
Taiwan Semiconductor Manufacturing Co Ltd		3.6			2,013,000		42,881
Taiwan Semiconductor Manufacturing Co Ltd ADR		1.6			169,024		19,801
United Microelectronics Corp		0.5			2,497,000		5,710
Other Securities		6.0					73,667
							173,932
Thailand — 2.8%
Home Product Center PCL		0.4			11,742,945		4,740
Sri Trang Agro-Industry PCL		0.5			7,505,900		6,618
Other Securities		1.9					22,604
							33,962
Turkey — 0.5%
Other Securities		0.5					6,466
United Arab Emirates — 1.9%
Emaar Development PJSC *		0.5			4,444,042		5,550
Emaar Properties PJSC		0.6			6,109,208		7,774
Fertiglobe *		0.5			6,663,353		6,440
Other Securities		0.3					3,806
							23,570
United Kingdom — 4.1%
Energean PLC *		0.4			436,776		5,144
Halyk Savings Bank of Kazakhstan JSC GDR		0.5			405,272		6,520
Hochschild Mining PLC		0.5			3,350,660		5,888
NAC Kazatomprom JSC GDR		0.5			133,607		5,507
Vivo Energy PLC		0.4			2,984,617		5,223
Other Securities		1.8					21,184
							49,466
United States — 1.9%
Credicorp Ltd		0.4			40,171		4,740
EPAM Systems Inc *		0.5			10,582		6,440
Other Securities		1.0					12,237
							23,417

52

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Vietnam — 1.4%
Military Commercial Joint Stock Bank *		0.5	%		4,649,081	$	5,928
Other Securities		0.9					11,187
							17,115
Total Common Stock
(Cost $952,828) ($ Thousands)							1,142,277
PREFERRED STOCK (A) — 1.3%
Brazil — 0.2%
Other Securities		0.2					2,403
Colombia — 0.1%
Other Securities		0.1					1,639
South Korea — 1.0%
Samsung Electronics Co Ltd		0.5			105,300		5,670
Other Securities		0.5					6,564
							12,234
Total Preferred Stock
(Cost $17,643) ($ Thousands)							16,276
PARTICIPATION NOTES — 0.2%
United States — 0.2%
Other Securities		0.2					2,850
Total Participation Notes
(Cost $1,620) ($ Thousands)							2,850
WARRANTS — 0.2%
India — 0.2%
Other Securities*		0.2					2,135
Total Warrants
(Cost $693) ($ Thousands)							2,135
RIGHTS — 0.0%
Thailand — 0.0%
Other Securities*		0.0					132
Total Rights
(Cost $–) ($ Thousands)							132

Description	Percentage of Net Assets (%)			Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 2.7%
SEI Daily Income Trust, Government Fund, Cl F
0.010% **†		2.7	%		32,389,662	$	32,390
Total Cash Equivalent
(Cost $32,390) ($ Thousands)							32,390
Total Investments in Securities — 98.7%
(Cost $1,005,174)($ Thousands)						$	1,196,060

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

53

SUMMARY SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Emerging Markets Equity Fund (Concluded)

A list of the open futures contracts held by the Fund at November 30, 2021 is as follows:

Type of Contract	Number of Contracts		Expiration Date		Notional Amount (Thousands)		Value (Thousands)		Unrealized Depreciation (Thousands)
Long Contracts
MSCI Emerging Markets		546		Dec-2021	$	34,573	$	33,096	$	(1,477	)

	Percentages are based on a Net Assets of $1,211,674 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
(A)	There is currently no rate available.

ADR — American Depositary Receipt

Cl — Class

GDR — Global Depositary Receipt

JSC — Joint-Stock Company

Ltd — Limited

MSCI — Morgan Stanley Capital International

PCL — Public Company Limited

PJSC — Public Joint-Stock Company

PLC — Public Limited Company

The Summary Schedule of Investments does not reflect the complete portfolio holdings. It includes the Fund’s 50 largest holdings and each investment of any issuer that exceeds 1% of the Fund’s net assets. “Other Securities” represent all issues not required to be disclosed under the rules adopted by the U.S. Securities and Exchange Commission (“SEC”). In certain instances, securities for which footnotes listed above may otherwise apply are included in the Other Securities caption. The complete schedule of portfolio holdings is available (i) without charge, upon request, by calling (800) 342-5734; and (ii) on the SEC’s website at http://www.sec.gov.

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Common Stock		215,793		926,484		–		1,142,277
Preferred Stock		4,042		12,234		–		16,276
Participation Notes		2,850		–		–		2,850
Warrant		–		2,135		–		2,135
Right		132		–		–		132
Cash Equivalent		32,390		–		–		32,390
Total Investments in Securities		255,207		940,853		–		1,196,060

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Depreciation		(1,477	)		–		–		(1,477	)
Total Other Financial Instruments		(1,477	)		–		–		(1,477	)

* Futures contracts are valued at the unrealized depreciation on the instrument.

For the period ended November 30, 2021, there were transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of Fund's transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain/(Loss)		Change in Unrealized Appreciation/ (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	63,747	$	113,803	$	(145,160	)	$	—	$	—	$	32,390		32,389,662	$	2	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

54

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund

^†Percentages based on total investments.

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES — 33.4%
Agency Mortgage-Backed Obligations — 2.1%
FHLMC ARM
2.790%, VAR ICE LIBOR USD 12 Month + 2.470%, 03/01/2036	$	632	$	672
2.306%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.250%, 06/01/2035		439		468
FHLMC CMO, Ser 2007-3311, Cl FN
0.389%, VAR ICE LIBOR USD 1 Month + 0.300%, 05/15/2037		269		269
FHLMC Multifamily Structured Pass-Through Certificates, Ser K018, Cl X1, IO
1.358%, 01/25/2022(A)		9,137		–
FHLMC Multifamily Structured Pass-Through Certificates, Ser K028, Cl X1, IO
0.347%, 02/25/2023(A)		136,586		314
FHLMC REMIC, Ser 2010-83, Cl BA
5.000%, 08/25/2040		127		140
FNMA
6.000%, 09/01/2039 to 04/01/2040		290		339
3.000%, 05/01/2022 to 12/01/2030		431		452
FNMA ARM
2.418%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.332%, 04/01/2034		273		289
2.297%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.205%, 05/01/2035		149		158

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
2.280%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.184%, 07/01/2036	$	491	$	521
2.276%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.193%, 10/01/2024		10		10
2.264%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.141%, 10/01/2033		328		340
2.247%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 2.247%, 08/01/2034		634		678
2.175%, VAR ICE LIBOR USD 12 Month + 1.800%, 05/01/2034		175		183
2.123%, VAR ICE LIBOR USD 12 Month + 1.873%, 10/01/2033		130		137
2.080%, VAR ICE LIBOR USD 12 Month + 1.557%, 06/01/2035		44		44
2.027%, VAR ICE LIBOR USD 12 Month + 1.777%, 09/01/2034		376		378
2.020%, VAR ICE LIBOR USD 12 Month + 1.770%, 10/01/2033		164		165
1.915%, VAR ICE LIBOR USD 12 Month + 1.665%, 04/01/2033		107		108
1.848%, VAR ICE LIBOR USD 12 Month + 1.565%, 05/01/2037		337		353
1.809%, VAR ICE LIBOR USD 12 Month + 1.601%, 06/01/2035		106		107
1.740%, VAR ICE LIBOR USD 12 Month + 1.490%, 10/01/2035		362		378
1.738%, VAR ICE LIBOR USD 6 Month + 1.580%, 07/01/2034		114		119
1.562%, VAR ICE LIBOR USD 6 Month + 1.433%, 03/01/2035		280		289
FNMA CMO, Ser 2011-63, Cl FG
0.542%, VAR ICE LIBOR USD 1 Month + 0.450%, 07/25/2041		513		522
FNMA CMO, Ser 2012-136, Cl DC
1.750%, 09/25/2041		103		104
FNMA CMO, Ser 2012-137, Cl UE
1.750%, 09/25/2041		154		157
FNMA CMO, Ser 2015-46, Cl BA
3.000%, 05/25/2041		34		34
FNMA, Ser 2017-M13, Cl FA
0.480%, VAR ICE LIBOR USD 1 Month + 0.400%, 10/25/2024		82		82
FREMF Mortgage Trust, Ser 2013-K28, Cl C
3.609%, 06/25/2046(A)(B)		1,460		1,500
FREMF Mortgage Trust, Ser 2015-K718, Cl B
3.635%, 02/25/2048(A)(B)		1,500		1,503
GNMA ARM
1.785%, VAR ICE LIBOR USD 1 Month + 1.693%, 12/20/2060		987		1,021

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

55

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
1.480%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.410%, 09/20/2060 to 11/20/2060	$	879	$	899
1.162%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.125%, 11/20/2060		1,178		1,200
1.110%, VAR ICE LIBOR USD 1 Month + 1.040%, 12/20/2060		1,363		1,393
GNMA, Ser 2015-171, Cl IO, IO
0.832%, 11/16/2055(A)		12,111		464
Mortgage-Linked Amortizing Notes, Ser 2012-1, Cl A10
2.060%, 01/15/2022		361		362
				16,152
Non-Agency Mortgage-Backed Obligations — 31.3%
280 Park Avenue Mortgage Trust, Ser 2017-280P, Cl D
1.626%, VAR ICE LIBOR USD 1 Month + 1.537%, 09/15/2034(B)		3,000		2,990
Adjustable Rate Mortgage Trust, Ser 2005-1, Cl 5M1
1.142%, VAR ICE LIBOR USD 1 Month + 1.050%, 05/25/2035		2,355		2,313
American Home Mortgage Investment Trust, Ser 2005-2, Cl 4A1
1.694%, VAR ICE LIBOR USD 6 Month + 1.500%, 09/25/2045		90		90
Angel Oak Mortgage Trust I LLC, Ser 2018-3, Cl A1
3.649%, 09/25/2048(A)(B)		29		29
Angel Oak Mortgage Trust I LLC, Ser 2019-1, Cl A1
3.920%, 11/25/2048(A)(B)		154		155
Angel Oak Mortgage Trust I LLC, Ser 2019-2, Cl A1
3.628%, 03/25/2049(A)(B)		77		78
Angel Oak Mortgage Trust I LLC, Ser 2019-4, Cl A1
2.993%, 07/26/2049(A)(B)		56		56
Angel Oak Mortgage Trust, Ser 2020-1, Cl A1
2.466%, 12/25/2059(A)(B)		29		29
Angel Oak Mortgage Trust, Ser 2020-2, Cl A1A
2.531%, 01/26/2065(A)(B)		147		148
Angel Oak Mortgage Trust, Ser 2020-3, Cl A1
1.691%, 04/25/2065(A)(B)		185		185
Angel Oak Mortgage Trust, Ser 2020-4, Cl A1
1.469%, 06/25/2065(A)(B)		87		87

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Angel Oak Mortgage Trust, Ser 2020-R1, Cl A1
0.990%, 04/25/2053(A)(B)	$	142	$	141
Angel Oak Mortgage Trust, Ser 2021-1, Cl A1
0.909%, 01/25/2066(A)(B)		321		320
Angel Oak Mortgage Trust, Ser 2021-2, Cl A1
0.985%, 04/25/2066(A)(B)		1,457		1,444
Angel Oak Mortgage Trust, Ser 2021-3, Cl A1
1.068%, 05/25/2066(A)(B)		239		237
Angel Oak Mortgage Trust, Ser 2021-5, Cl A1
0.951%, 07/25/2066(A)(B)		441		436
Arroyo Mortgage Trust, Ser 2019-1, Cl A1
3.805%, 01/25/2049(A)(B)		941		947
Arroyo Mortgage Trust, Ser 2019-3, Cl A1
2.962%, 10/25/2048(A)(B)		58		58
Arroyo Mortgage Trust, Ser 2021-1R, Cl A1
1.175%, 10/25/2048(A)(B)		1,589		1,584
Banc of America Funding, Ser 2005-F, Cl 4A1
2.573%, 09/20/2035(A)		36		34
Banc of America Funding, Ser 2006-D, Cl 3A1
2.946%, 05/20/2036(A)		34		36
Banc of America Funding, Ser 2006-I, Cl 1A1
2.125%, 12/20/2036(A)		1,471		1,519
Banc of America Mortgage Trust, Ser 2003-K, Cl 2A1
2.658%, 12/25/2033(A)		606		612
Banc of America Mortgage Trust, Ser 2004-A, Cl 2A2
2.544%, 02/25/2034(A)		612		626
Banc of America Mortgage Trust, Ser 2004-D, Cl 2A1
2.551%, 05/25/2034(A)		265		273
Banc of America Mortgage Trust, Ser 2005-A, Cl 2A1
2.502%, 02/25/2035(A)		14		14
BANK, Ser 2018-BN12, Cl A2
4.074%, 05/15/2061		600		622
Bayview Commercial Asset Trust, Ser 2004-1, Cl A
0.632%, VAR ICE LIBOR USD 1 Month + 0.540%, 04/25/2034(B)		323		323
Bayview Commercial Asset Trust, Ser 2004-3, Cl A1
0.647%, VAR ICE LIBOR USD 1 Month + 0.555%, 01/25/2035(B)		1,577		1,569
BBCMS Mortgage Trust, Ser 2017-DELC, Cl B
1.120%, VAR ICE LIBOR USD 1 Month + 1.030%, 08/15/2036(B)		5,000		4,984

56

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
BBCMS Mortgage Trust, Ser 2018-TALL, Cl C
1.211%, VAR ICE LIBOR USD 1 Month + 1.121%, 03/15/2037(B)	$	3,000	$	2,880
Bear Stearns Alt-A Trust, Ser 2003-5, Cl 2A1
2.531%, 12/25/2033(A)		783		810
Bear Stearns Alt-A Trust, Ser 2004-7, Cl 2A1
2.485%, 08/25/2034(A)		1,199		1,250
Bear Stearns ARM Trust, Ser 2003-8, Cl 4A1
2.450%, 01/25/2034(A)		1,576		1,625
Bear Stearns ARM Trust, Ser 2004-1, Cl 21A1
2.067%, 04/25/2034(A)		191		192
Bear Stearns ARM Trust, Ser 2004-2, Cl 12A2
2.647%, 05/25/2034(A)		798		772
Bear Stearns ARM Trust, Ser 2004-3, Cl 2A
2.680%, 07/25/2034(A)		790		807
Bear Stearns ARM Trust, Ser 2004-5, Cl 2A
2.892%, 07/25/2034(A)		797		819
Bear Stearns Commercial Mortgage Securities Trust, Ser 2007-T26, Cl AM
5.513%, 01/12/2045(A)		552		548
Bellemeade Re, Ser 2018-3A, Cl M1B
1.942%, VAR ICE LIBOR USD 1 Month + 1.850%, 10/25/2028(B)		1,637		1,637
Bellemeade Re, Ser 2019-2A, Cl M1B
1.542%, VAR ICE LIBOR USD 1 Month + 1.450%, 04/25/2029(B)		490		490
Bellemeade Re, Ser 2019-3A, Cl M1B
1.692%, VAR ICE LIBOR USD 1 Month + 1.600%, 07/25/2029(B)		2,841		2,845
Bellemeade Re, Ser 2021-1A, Cl M1A
1.800%, VAR SOFR30A + 1.750%, 03/25/2031(B)		500		501
Bellemeade Re, Ser 2021-2A, Cl M1A
1.250%, VAR SOFR30A + 1.200%, 06/25/2031(B)		800		799
Bellemeade Re, Ser 2021-3A, Cl M1A
1.050%, VAR SOFR30A + 1.000%, 09/25/2031(B)		1,000		997
BFLD Trust, Ser 2020-OBRK, Cl A
2.140%, VAR ICE LIBOR USD 1 Month + 2.050%, 11/15/2028(B)		240		240
BRAVO Residential Funding Trust, Ser 2019-1, Cl A1C
3.500%, 03/25/2058(B)		822		836
BRAVO Residential Funding Trust, Ser 2019-NQM2, Cl A1
2.748%, 11/25/2059(A)(B)		657		658
BRAVO Residential Funding Trust, Ser 2020-NQM1, Cl A1
1.449%, 05/25/2060(A)(B)		116		117

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
BRAVO Residential Funding Trust, Ser 2021-HE1, Cl A1
0.800%, VAR SOFR30A + 0.750%, 01/25/2070(B)	$	2,868	$	2,866
BRAVO Residential Funding Trust, Ser 2021-HE2, Cl A3
1.100%, VAR SOFR30A + 1.050%, 11/25/2069(B)		1,632		1,631
BRAVO Residential Funding Trust, Ser 2021-NQM1, Cl A1
0.941%, 02/25/2049(A)(B)		127		127
BRAVO Residential Funding Trust, Ser 2021-NQM2, Cl A1
0.970%, 03/25/2060(A)(B)		191		191
BRAVO Residential Funding Trust, Ser 2021-NQM3, Cl A1
1.699%, 04/26/2060(A)(B)		253		252
Bunker Hill Loan Depositary Trust, Ser 2020-1, Cl A1
1.724%, 02/25/2055(A)(B)		79		80
BWay Mortgage Trust, Ser 2013-1515, Cl A1
2.809%, 03/10/2033(B)		130		134
BX Commercial Mortgage Trust, Ser 2018-BIOA, Cl A
0.761%, VAR ICE LIBOR USD 1 Month + 0.671%, 03/15/2037(B)		1,000		998
BX Commercial Mortgage Trust, Ser 2018-BIOA, Cl D
1.411%, VAR ICE LIBOR USD 1 Month + 1.321%, 03/15/2037(B)		2,000		1,992
BX Commercial Mortgage Trust, Ser 2019-XL, Cl A
1.010%, VAR ICE LIBOR USD 1 Month + 0.920%, 10/15/2036(B)		252		252
BX Commercial Mortgage Trust, Ser 2019-XL, Cl E
1.890%, VAR ICE LIBOR USD 1 Month + 1.800%, 10/15/2036(B)		1,062		1,058
BX Commercial Mortgage Trust, Ser 2020-BXLP, Cl A
0.890%, VAR ICE LIBOR USD 1 Month + 0.800%, 12/15/2036(B)		835		834
BX Commercial Mortgage Trust, Ser 2020-BXLP, Cl E
1.690%, VAR ICE LIBOR USD 1 Month + 1.600%, 12/15/2036(B)		1,670		1,662
BX Commercial Mortgage Trust, Ser 2020-VKNG, Cl C
1.490%, VAR ICE LIBOR USD 1 Month + 1.400%, 10/15/2037(B)		905		904

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

57

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
BX Commercial Mortgage Trust, Ser 2021-ACNT, Cl B
1.350%, VAR ICE LIBOR USD 1 Month + 1.250%, 11/15/2026(B)	$	2,000	$	1,996
BX Commercial Mortgage Trust, Ser 2021-SOAR, Cl D
1.490%, VAR ICE LIBOR USD 1 Month + 1.400%, 06/15/2038(B)		1,500		1,491
BX Commercial Mortgage Trust, Ser 2021-VINO, Cl A
0.742%, VAR ICE LIBOR USD 1 Month + 0.652%, 05/15/2038(B)		240		239
BX Commercial Mortgage Trust, Ser 2021-VOLT, Cl E
2.090%, VAR ICE LIBOR USD 1 Month + 2.000%, 09/15/2036(B)		2,000		1,988
BX Commercial Mortgage Trust, Ser 2021-VOLT, Cl A
0.790%, VAR ICE LIBOR USD 1 Month + 0.700%, 09/15/2036(B)		195		194
BX Trust, Ser 2021-LGCY, Cl A
0.596%, VAR ICE LIBOR USD 1 Month + 0.506%, 10/15/2023(B)		400		396
BX Trust, Ser 2021-SDMF, Cl B
0.828%, VAR ICE LIBOR USD 1 Month + 0.738%, 09/15/2034(B)		1,000		982
BX, Ser 2021-MFM1, Cl C
1.290%, VAR ICE LIBOR USD 1 Month + 1.200%, 01/15/2034(B)		1,000		994
BXHPP Trust, Ser 2021-FILM, Cl C
1.190%, VAR ICE LIBOR USD 1 Month + 1.100%, 08/15/2036(B)		2,530		2,524
CAMB Commercial Mortgage Trust, Ser 2019-LIFE, Cl E
2.239%, VAR ICE LIBOR USD 1 Month + 2.150%, 12/15/2037(B)		2,000		1,994
CAMB Commercial Mortgage Trust, Ser 2019-LIFE, Cl B
1.339%, VAR ICE LIBOR USD 1 Month + 1.250%, 12/15/2037(B)		3,000		2,994
CAMB Commercial Mortgage Trust, Ser 2019-LIFE, Cl A
1.159%, VAR ICE LIBOR USD 1 Month + 1.070%, 12/15/2037(B)		2,795		2,791
Chase Mortgage Finance Trust, Ser 2007-A1, Cl 7A1
2.444%, 02/25/2037(A)		186		192
Chase Mortgage Finance Trust, Ser 2007-A2, Cl 2A3
2.375%, 06/25/2035(A)		414		420
CHL Mortgage Pass-Through Trust, Ser 2004-8, Cl 2A1
4.500%, 06/25/2019		6		1

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
CHT Mortgage Trust, Ser 2017-CSMO, Cl B
1.489%, VAR ICE LIBOR USD 1 Month + 1.400%, 11/15/2036(B)	$	2,000	$	1,999
CIM Trust, Ser 2017-7, Cl A
3.000%, 04/25/2057(A)(B)		214		217
Citigroup Commercial Mortgage Trust, Ser 2006-C4, Cl C
6.517%, 03/15/2049(A)		130		129
Citigroup Commercial Mortgage Trust, Ser 2018-TBR, Cl A
0.920%, VAR ICE LIBOR USD 1 Month + 0.830%, 12/15/2036(B)		4,000		3,986
Citigroup Mortgage Loan Trust, Ser 2019-IMC1, Cl A1
2.720%, 07/25/2049(A)(B)		23		23
Cold Storage Trust, Ser 2020-ICE5, Cl D
2.190%, VAR ICE LIBOR USD 1 Month + 2.100%, 11/15/2037(B)		1,474		1,467
COLT Funding LLC, Ser 2021-3R, Cl A1
1.051%, 12/25/2064(A)(B)		191		190
COLT Mortgage Loan Trust, Ser 2020-1R, Cl A1
1.255%, 09/25/2065(A)(B)		133		133
COLT Mortgage Loan Trust, Ser 2020-2R, Cl A1
1.325%, 10/26/2065(A)(B)		77		77
COLT Mortgage Loan Trust, Ser 2020-3, Cl A1
1.506%, 04/27/2065(A)(B)		61		61
COLT Mortgage Loan Trust, Ser 2021-1, Cl A1
0.910%, 06/25/2066(A)(B)		182		180
COLT Mortgage Loan Trust, Ser 2021-2, Cl A1
0.924%, 08/25/2066(A)(B)		3,147		3,120
COLT Mortgage Loan Trust, Ser 2021-2R, Cl A1
0.798%, 07/27/2054(B)		118		118
COLT Mortgage Loan Trust, Ser 2021-4, Cl A1
1.397%, 10/25/2066(A)(B)		398		396
COLT Mortgage Loan Trust, Ser 2021-4, Cl A2
1.500%, 10/25/2066(A)(B)		1,990		1,976
COLT Mortgage Loan Trust, Ser 2021-5, Cl A1
1.726%, 11/23/2170(A)(B)		1,000		999
COLT Mortgage Loan Trust, Ser 2021-HX1, Cl A1
1.110%, 10/25/2066(A)(B)		2,409		2,391
COLT Mortgage Pass-Through Certificates, Ser 2021-1R, Cl A1
0.857%, 05/25/2065(A)(B)		209		208

58

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
COMM Mortgage Trust, Ser 2013-300P, Cl E
4.540%, 08/10/2030(A)(B)	$	800	$	803
COMM Mortgage Trust, Ser 2013-CR10, Cl XA, IO
0.872%, 08/10/2046(A)		30,333		313
COMM Mortgage Trust, Ser 2014-CR14, Cl XA, IO
0.694%, 02/10/2047(A)		24,958		260
COMM Mortgage Trust, Ser 2014-CR15, Cl D
4.862%, 02/10/2047(A)(B)		700		719
Connecticut Avenue Securities Trust, Ser 2021-R01, Cl 1M1
0.800%, VAR SOFR30A + 0.750%, 10/25/2041(B)		596		597
Credit Suisse First Boston Mortgage Securities, Ser 2005-5, Cl 3A2
0.392%, VAR ICE LIBOR USD 1 Month + 0.300%, 07/25/2035		743		736
Credit Suisse Mortgage Capital Certificates, Ser 2021-NQM4, Cl A1
1.101%, 05/25/2066(A)(B)		267		265
CSFB Mortgage-Backed Pass-Through Certificates, Ser 2004-AR5, Cl 6A1
2.282%, 06/25/2034(A)		1,422		1,492
CSMC Trust, Ser 2019-AFC1, Cl A1
2.573%, 07/25/2049(B)		410		414
CSMC Trust, Ser 2021-AFC1, Cl A1
0.830%, 03/25/2056(A)(B)		191		189
CSMC, Ser 2021-NQM1, Cl A1
0.809%, 05/25/2065(A)(B)		231		230
CSMC, Ser 2021-NQM3, Cl A1
1.015%, 04/25/2066(A)(B)		363		360
DBCG Mortgage Trust, Ser 2017-BBG, Cl C
1.100%, VAR ICE LIBOR USD 1 Month + 1.000%, 06/15/2034(B)		1,100		1,094
DBGS Mortgage Trust, Ser 2018-BIOD, Cl A
0.893%, VAR ICE LIBOR USD 1 Month + 0.803%, 05/15/2035(B)		2,784		2,781
DBWF Mortgage Trust, Ser 2018-AMXP, Cl D
3.917%, 05/05/2035(A)(B)		500		496
Deephaven Residential Mortgage Trust, Ser 2019-4A, Cl A1
2.791%, 10/25/2059(A)(B)		50		50
Deephaven Residential Mortgage Trust, Ser 2020-2, Cl A1
1.692%, 05/25/2065(B)		63		63
Deephaven Residential Mortgage Trust, Ser 2021-1, Cl A1
0.715%, 05/25/2065(A)(B)		96		96
Deephaven Residential Mortgage Trust, Ser 2021-2, Cl A1
0.899%, 04/25/2066(A)(B)		85		84

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Deephaven Residential Mortgage Trust, Ser 2021-2, Cl A3
1.260%, 04/25/2066(A)(B)	$	846	$	839
Eagle Re, Ser 2020-1, Cl M1A
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 01/25/2030(B)		1,500		1,485
Eagle Re, Ser 2021-2, Cl M1A
1.599%, VAR SOFR30A + 1.550%, 04/25/2034(B)		3,000		2,995
Ellington Financial Mortgage Trust, Ser 2019-2, Cl A2
2.892%, 11/25/2059(A)(B)		727		733
Ellington Financial Mortgage Trust, Ser 2020-2, Cl A1
1.178%, 10/25/2065(A)(B)		1,016		1,017
Ellington Financial Mortgage Trust, Ser 2021-1, Cl A1
0.797%, 02/25/2066(A)(B)		1,352		1,343
Ellington Financial Mortgage Trust, Ser 2021-2, Cl A1
0.931%, 06/25/2066(A)(B)		123		122
ELP Commercial Mortgage Trust, Ser 2021-ELP, Cl A
0.801%, VAR ICE LIBOR USD 1 Month + 0.701%, 11/15/2038(B)		350		348
FHLMC STACR REMIC Trust, Ser 2020-DNA6, Cl M1
0.950%, VAR SOFR30A + 0.900%, 12/25/2050(B)		312		312
FHLMC STACR REMIC Trust, Ser 2021-DNA1, Cl M1
0.700%, VAR SOFR30A + 0.650%, 01/25/2051(B)		690		690
FHLMC STACR REMIC Trust, Ser 2021-DNA3, Cl M1
0.800%, VAR SOFR30A + 0.750%, 10/25/2033(B)		1,500		1,500
FHLMC STACR REMIC Trust, Ser 2021-DNA5, Cl M2
1.700%, VAR SOFR30A + 1.650%, 01/25/2034(B)		250		251
FHLMC STACR REMIC Trust, Ser 2021-HQA2, Cl M1
0.750%, VAR SOFR30A + 0.700%, 12/25/2033(B)		1,000		1,000
FHLMC STACR REMIC Trust, Ser 2021-HQA3, Cl M1
0.900%, VAR SOFR30A + 0.850%, 09/25/2041(B)		2,500		2,500
FHLMC STACR Trust, Ser 2018-DNA2, Cl M2AS
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 12/25/2030(B)		3,000		2,997

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

59

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FHLMC STACR Trust, Ser 2019-FTR2, Cl M1
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 11/25/2048(B)	$	1,266	$	1,266
FHLMC Structured Agency Credit Risk Debt Notes, Ser 2015-DNA3, Cl M3
4.792%, VAR ICE LIBOR USD 1 Month + 4.700%, 04/25/2028		343		354
FHLMC Structured Agency Credit Risk Debt Notes, Ser 2018-HQA1, Cl M2
2.392%, VAR ICE LIBOR USD 1 Month + 2.300%, 09/25/2030		1,148		1,160
FHLMC Structured Agency Credit Risk Debt Notes, Ser 2021-DNA2, Cl M1
0.850%, VAR SOFR30A + 0.800%, 08/25/2033(B)		2,257		2,258
FHLMC Structured Agency Credit Risk Debt Notes, Ser 2021-DNA7, Cl M1
0.898%, VAR SOFR30A + 0.850%, 11/25/2041(B)		1,500		1,500
FNMA Connecticut Avenue Securities, Ser 2016-C03, Cl 2M2
5.992%, VAR ICE LIBOR USD 1 Month + 5.900%, 10/25/2028		239		251
FNMA Connecticut Avenue Securities, Ser 2018-C03, Cl 1EA2
0.942%, VAR ICE LIBOR USD 1 Month + 0.850%, 10/25/2030		59		59
FNMA Connecticut Avenue Securities, Ser 2021-R02, Cl 2M1
0.950%, VAR SOFR30A + 0.900%, 11/25/2041(B)		2,000		2,000
GCAT Trust, Ser 2020-NQM2, Cl A1
1.555%, 04/25/2065(B)		85		85
GCAT Trust, Ser 2021-CM1, Cl A
1.469%, 04/25/2065(A)(B)		323		322
GCAT Trust, Ser 2021-NQM1, Cl A1
0.874%, 01/25/2066(A)(B)		1,535		1,523
GCAT Trust, Ser 2021-NQM3, Cl A1
1.091%, 05/25/2066(A)(B)		219		217
GCAT Trust, Ser 2021-NQM5, Cl A1
1.262%, 07/25/2066(A)(B)		655		648
GS Mortgage Securities Trust, Ser 2011-GC3, Cl X, IO
0.291%, 03/10/2044 (A)(B)		4,002		–
GS Mortgage Securities Trust, Ser 2012-ALOHA, Cl D
4.267%, 04/10/2034(A)(B)		1,000		1,001
GS Mortgage Securities Trust, Ser 2020-DUNE, Cl E
2.590%, VAR ICE LIBOR USD 1 Month + 2.500%, 12/15/2036(B)		400		392

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GS Mortgage Securities Trust, Ser 2020-DUNE, Cl B
1.440%, VAR ICE LIBOR USD 1 Month + 1.350%, 12/15/2036(B)	$	500	$	501
GS Mortgage-Backed Securities Trust, Ser 2021-NQM1, Cl A2
1.275%, 07/25/2061(A)(B)		1,413		1,406
GSR Mortgage Loan Trust, Ser 2005-AR1, Cl 1A1
2.654%, 01/25/2035(A)		49		48
GSR Mortgage Loan Trust, Ser 2005-AR2, Cl 1A2
2.914%, 04/25/2035(A)		245		246
HarborView Mortgage Loan Trust, Ser 2004-6, Cl 4A
2.470%, 08/19/2034(A)		1,024		1,098
Hilton Orlando Trust, Ser 2018-ORL, Cl B
1.290%, VAR ICE LIBOR USD 1 Month + 1.200%, 12/15/2034(B)		2,900		2,882
Home RE, Ser 2021-2, Cl M1A
1.300%, VAR SOFR30A + 1.250%, 01/25/2034(B)		3,000		2,996
Impac CMB Trust, Ser 2004-6, Cl 1A2
0.872%, VAR ICE LIBOR USD 1 Month + 0.780%, 10/25/2034		920		913
Imperial Fund Mortgage Trust, Ser 2021-NQM1, Cl A1
1.071%, 06/25/2056(A)(B)		303		299
Imperial Fund Mortgage Trust, Ser 2021-NQM2, Cl A1
1.073%, 09/25/2056(A)(B)		201		200
Imperial Fund Mortgage Trust, Ser 2021-NQM3, Cl A1
1.595%, 11/25/2056(A)(B)		169		168
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2019-MFP, Cl B
1.250%, VAR ICE LIBOR USD 1 Month + 1.160%, 07/15/2036(B)		2,000		1,990
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2020-NNN, Cl XAFX, IO
2.032%, 01/16/2037(A)(B)		12,500		609
JPMorgan Mortgage Trust, Ser 2005-A3, Cl 6A2
2.720%, 06/25/2035(A)		290		297
JPMorgan Mortgage Trust, Ser 2005-A4, Cl 4A2
2.388%, 07/25/2035(A)		627		638
JPMorgan Mortgage Trust, Ser 2006-A2, Cl 5A3
2.267%, 11/25/2033(A)		111		113

60

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
JPMorgan Mortgage Trust, Ser 2007-A1, Cl 1A1
2.768%, 07/25/2035(A)	$	750	$	771
JPMorgan Mortgage Trust, Ser 2007-A1, Cl 5A2
2.428%, 07/25/2035(A)		452		462
JPMorgan Mortgage Trust, Ser 2007-A4, Cl 1A1
3.242%, 06/25/2037(A)		33		29
JPMorgan Mortgage Trust, Ser 2018-7FRB, Cl A2
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 04/25/2046(B)		120		120
KNDL Mortgage Trust, Ser 2019-KNSQ, Cl A
0.889%, VAR ICE LIBOR USD 1 Month + 0.800%, 05/15/2036(B)		150		150
Life Mortgage Trust, Ser 2021-BMR, Cl E
1.840%, VAR ICE LIBOR USD 1 Month + 1.750%, 03/15/2038(B)		1,250		1,240
Life Mortgage Trust, Ser 2021-BMR, Cl D
1.490%, VAR ICE LIBOR USD 1 Month + 1.400%, 03/15/2038(B)		1,000		991
LSTAR Securities Investment, Ser 2019-4, Cl A1
2.599%, VAR ICE LIBOR USD 1 Month + 2.500%, 05/01/2024(B)		221		218
MASTR Adjustable Rate Mortgages Trust, Ser 2005-6, Cl 5A1
2.638%, 07/25/2035(A)		22		21
MASTR Alternative Loan Trust, Ser 2003-5, Cl 4A1
5.500%, 07/25/2033		912		954
Mellon Residential Funding, Ser 1999-TBC3, Cl A2
2.610%, 10/20/2029(A)		143		145
Merit, Ser 2020-HILL, Cl A
1.240%, VAR ICE LIBOR USD 1 Month + 1.150%, 08/15/2037(B)		552		551
Merrill Lynch Mortgage Investors Trust, Ser 2003-E, Cl A1
0.712%, VAR ICE LIBOR USD 1 Month + 0.620%, 10/25/2028		490		485
Merrill Lynch Mortgage Investors Trust, Ser 2004-1, Cl 2A1
2.038%, 12/25/2034(A)		680		689
Merrill Lynch Mortgage Investors Trust, Ser 2005-A, Cl A1
0.552%, VAR ICE LIBOR USD 1 Month + 0.460%, 03/25/2030		843		840
Merrill Lynch Mortgage Investors Trust, Ser 2005-A2, Cl A3
2.834%, 02/25/2035(A)		481		468

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Merrill Lynch Mortgage Investors Trust, Ser 2005-A2, Cl A2
2.834%, 02/25/2035(A)	$	1,739	$	1,762
Merrill Lynch Mortgage Investors Trust, Ser 2005-A2, Cl A5
2.834%, 02/25/2035(A)		357		362
Merrill Lynch Mortgage Investors Trust, Ser 2005-A4, Cl 1A
2.455%, 07/25/2035(A)		288		189
Merrill Lynch Mortgage Investors Trust, Ser 2007-1, Cl 2A1
2.334%, 01/25/2037(A)		1,090		1,072
MFA Trust, Ser 2020-NQM1, Cl A1
1.479%, 03/25/2065(A)(B)		1,016		1,018
MFA Trust, Ser 2020-NQM3, Cl A1
1.014%, 01/26/2065(A)(B)		87		87
MFA Trust, Ser 2021-INV1, Cl A1
0.852%, 01/25/2056(A)(B)		159		158
MFA Trust, Ser 2021-NQM1, Cl A1
1.153%, 04/25/2065(A)(B)		1,499		1,494
MFRA Trust, Ser 2021-NQM2, Cl A1
1.029%, 11/25/2064(A)(B)		1,951		1,939
MHC Commercial Mortgage Trust, Ser 2021-MHC, Cl D
1.691%, VAR ICE LIBOR USD 1 Month + 1.601%, 04/15/2038(B)		1,500		1,496
MHP, Ser 2021-STOR, Cl A
0.790%, VAR ICE LIBOR USD 1 Month + 0.700%, 07/15/2038(B)		105		105
Mill City Mortgage Loan Trust, Ser 2021-NMR1, Cl A1
1.125%, 11/25/2060(A)(B)		134		134
Morgan Stanley Capital I Trust, Ser 2007-T27, Cl AJ
6.215%, 06/11/2042(A)		1,484		1,498
Morgan Stanley Capital I Trust, Ser 2017-CLS, Cl D
1.490%, VAR ICE LIBOR USD 1 Month + 1.400%, 11/15/2034(B)		3,400		3,393
Morgan Stanley Capital I Trust, Ser 2018-SUN, Cl A
0.990%, VAR ICE LIBOR USD 1 Month + 0.900%, 07/15/2035(B)		3,000		2,995
Morgan Stanley Mortgage Loan Trust, Ser 2004-10AR, Cl 1A
3.443%, 11/25/2034(A)		665		686
Morgan Stanley Mortgage Loan Trust, Ser 2004-5AR, Cl 3A1
2.277%, 07/25/2034(A)		359		371
Morgan Stanley Mortgage Loan Trust, Ser 2004-8AR, Cl 4A2
2.386%, 10/25/2034(A)		816		839

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

61

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
MortgageIT Trust, Ser 2005-1, Cl 2A
1.336%, VAR ICE LIBOR USD 1 Month + 1.250%, 02/25/2035	$	407	$	402
MSCG Trust, Ser 2018-SELF, Cl A
0.989%, VAR ICE LIBOR USD 1 Month + 0.900%, 10/15/2037(B)		1,455		1,453
MTRO Commercial Mortgage Trust, Ser 2019-TECH, Cl A
0.989%, VAR ICE LIBOR USD 1 Month + 0.900%, 12/15/2033(B)		455		454
New Residential Mortgage Loan Trust, Ser 2017-3A, Cl A1
4.000%, 04/25/2057(A)(B)		175		185
New Residential Mortgage Loan Trust, Ser 2017-5A, Cl A1
1.592%, VAR ICE LIBOR USD 1 Month + 1.500%, 06/25/2057(B)		1,542		1,560
New Residential Mortgage Loan Trust, Ser 2017-6A, Cl A1
4.000%, 08/27/2057(A)(B)		450		474
New Residential Mortgage Loan Trust, Ser 2018-1A, Cl A1A
4.000%, 12/25/2057(A)(B)		660		697
New Residential Mortgage Loan Trust, Ser 2018-4A, Cl A1M
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 01/25/2048(B)		1,718		1,716
New Residential Mortgage Loan Trust, Ser 2018-4A, Cl A1S
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 01/25/2048(B)		2,778		2,777
New Residential Mortgage Loan Trust, Ser 2018-4A, Cl B1
1.142%, VAR ICE LIBOR USD 1 Month + 1.050%, 01/25/2048(B)		2,086		2,091
New Residential Mortgage Loan Trust, Ser 2020-NQM1, Cl A1
2.464%, 01/26/2060(A)(B)		129		129
New Residential Mortgage Loan Trust, Ser 2020-NQM2, Cl A1
1.650%, 05/24/2060(A)(B)		69		70
New Residential Mortgage Loan Trust, Ser 2021-NQ2R, Cl A1
0.941%, 10/25/2058(A)(B)		108		108
New Residential Mortgage Loan Trust, Ser 2021-NQM3, Cl A1
1.156%, 11/27/2056(A)(B)		392		391
Nomura Asset Acceptance Alternative Loan Trust, Ser 2004-AR3, Cl M1
1.232%, VAR ICE LIBOR USD 1 Month + 1.140%, 11/25/2034		795		806

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Oaktown Re VII, Ser 2021-2, Cl M1A
1.650%, VAR SOFR30A + 1.600%, 04/25/2034(B)	$	1,000	$	999
OBX Trust, Ser 2018-1, Cl A2
0.742%, VAR ICE LIBOR USD 1 Month + 0.650%, 06/25/2057(B)		1,112		1,112
OBX Trust, Ser 2020-INV1, Cl A11
0.989%, VAR ICE LIBOR USD 1 Month + 0.900%, 12/25/2049(B)		536		536
OBX Trust, Ser 2021-NQM2, Cl A1
1.101%, 05/25/2061(A)(B)		2,024		2,014
OPG Trust, Ser 2021-PORT, Cl D
1.221%, VAR ICE LIBOR USD 1 Month + 1.131%, 10/15/2036(B)		1,000		985
PKHL Commercial Mortgage Trust, Ser 2021-MF, Cl F
3.440%, VAR ICE LIBOR USD 1 Month + 3.350%, 07/15/2038(B)		400		401
PRPM LLC, Ser 2021-RPL1, Cl A1
1.319%, 07/25/2051(A)(B)		117		116
Radnor Re, Ser 2019-2, Cl M1B
1.842%, VAR ICE LIBOR USD 1 Month + 1.750%, 06/25/2029(B)		938		938
Radnor Re, Ser 2020-1, Cl M1A
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 01/25/2030(B)		3,538		3,514
Radnor Re, Ser 2021-1, Cl M1B
1.750%, VAR SOFR30A + 1.700%, 12/27/2033(B)		2,000		1,999
Residential Asset Securitization Trust, Ser 2007-A8, Cl 3A1
6.216%, 08/25/2022(A)		423		299
Residential Mortgage Loan Trust, Ser 2020-1, Cl A1
2.376%, 01/26/2060(A)(B)		56		57
Sequoia Mortgage Trust, Ser 2002-10, Cl 1A
0.891%, VAR ICE LIBOR USD 1 Month + 0.800%, 10/20/2027		1,328		1,345
Sequoia Mortgage Trust, Ser 2002-9, Cl 1A
0.791%, VAR ICE LIBOR USD 1 Month + 0.700%, 09/20/2032		376		369
Sequoia Mortgage Trust, Ser 2004-12, Cl A1
0.631%, VAR ICE LIBOR USD 1 Month + 0.540%, 01/20/2035		1,981		1,979
Sequoia Mortgage Trust, Ser 2004-3, Cl A
0.666%, VAR ICE LIBOR USD 6 Month + 0.500%, 05/20/2034		583		584
Sequoia Mortgage Trust, Ser 2004-5, Cl A1
1.563%, 06/20/2034(A)		1,010		1,011
SG Residential Mortgage Trust, Ser 2021-1, Cl A1
1.160%, 07/25/2061(A)(B)		367		364

62

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
SG Residential Mortgage Trust, Ser 2021-2, Cl A1
1.737%, 12/25/2061(A)(B)	$	1,997	$	1,990
STAR Trust, Ser 2021-1, Cl A1
1.219%, 05/25/2065(A)(B)		180		180
Starwood Mortgage Residential Trust, Ser 2020-1, Cl A1
2.275%, 02/25/2050(A)(B)		80		81
Starwood Mortgage Residential Trust, Ser 2020-3, Cl A1
1.486%, 04/25/2065(A)(B)		905		908
Starwood Mortgage Residential Trust, Ser 2021-2, Cl A1
0.943%, 05/25/2065(A)(B)		95		94
Starwood Mortgage Residential Trust, Ser 2021-3, Cl A1
1.127%, 06/25/2056(A)(B)		250		248
Structured Adjustable Rate Mortgage Loan Trust, Ser 2004-9XS, Cl A
0.462%, VAR ICE LIBOR USD 1 Month + 0.370%, 07/25/2034		2,021		2,017
Structured Adjustable Rate Mortgage Loan Trust, Ser 2005-7, Cl 1A3
2.940%, 04/25/2035(A)		727		746
Thornburg Mortgage Securities Trust, Ser 2004-3, Cl A
0.832%, VAR ICE LIBOR USD 1 Month + 0.740%, 09/25/2034		2,216		2,256
Thornburg Mortgage Securities Trust, Ser 2005-1, Cl A3
2.165%, 04/25/2045(A)		896		912
Toorak Mortgage, Ser 2021-INV1, Cl A1
1.153%, 07/25/2056(A)(B)		2,061		2,045
Towd Point HE Trust, Ser 2021-HE1, Cl A1
0.918%, 02/25/2063(A)(B)		1,220		1,217
UBS Commercial Mortgage Trust, Ser 2012-C1, Cl XA, IO
2.165%, 05/10/2045(A)(B)		7,422		1
VASA Trust, Ser 2021-VASA, Cl B
1.340%, VAR ICE LIBOR USD 1 Month + 1.250%, 07/15/2039(B)		2,000		2,001
Velocity Commercial Capital Loan Trust, Ser 2020-1, Cl AFX
2.610%, 02/25/2050(A)(B)		1,019		1,048
Velocity Commercial Capital Loan Trust, Ser 2021-1, Cl A
1.400%, 05/25/2051(A)(B)		946		928
Verus Securitization Trust, Ser 2019-4, Cl A1
2.642%, 11/25/2059(B)		51		52
Verus Securitization Trust, Ser 2019-INV3, Cl A1
2.692%, 11/25/2059(A)(B)		66		67

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Verus Securitization Trust, Ser 2020-1, Cl A1
2.417%, 01/25/2060(B)	$	33	$	33
Verus Securitization Trust, Ser 2020-4, Cl A1
1.502%, 05/25/2065(B)		52		52
Verus Securitization Trust, Ser 2020-5, Cl A1
1.218%, 05/25/2065(B)		1,139		1,137
Verus Securitization Trust, Ser 2021-1, Cl A2
1.052%, 01/25/2066(A)(B)		303		300
Verus Securitization Trust, Ser 2021-1, Cl A1
0.815%, 01/25/2066(A)(B)		1,480		1,467
Verus Securitization Trust, Ser 2021-2, Cl A1
1.031%, 02/25/2066(A)(B)		176		175
Verus Securitization Trust, Ser 2021-3, Cl A1
1.046%, 06/25/2066(A)(B)		2,586		2,565
Verus Securitization Trust, Ser 2021-4, Cl A1
0.938%, 07/25/2066(A)(B)		179		177
Verus Securitization Trust, Ser 2021-4, Cl A2
1.247%, 07/25/2066(A)(B)		918		911
Verus Securitization Trust, Ser 2021-R1, Cl A1
0.820%, 10/25/2063(A)(B)		226		226
Verus Securitization Trust, Ser 2021-R2, Cl A1
0.918%, 02/25/2064(A)(B)		1,477		1,471
Verus Securitization Trust, Ser 2021-R3, Cl A1
1.020%, 04/25/2064(A)(B)		179		178
Visio Trust, Ser 2021-1R, Cl A1
1.280%, 05/25/2056(B)		1,800		1,793
WaMu Commercial Mortgage Securities Trust, Ser 2007-SL2, Cl D
2.200%, 12/27/2049(A)(B)		585		582
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR10, Cl A7
2.492%, 10/25/2033(A)		690		697
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR7, Cl A7
2.365%, 08/25/2033(A)		685		679
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR9, Cl 1A6
2.514%, 09/25/2033(A)		769		770
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR1, Cl A
2.427%, 03/25/2034(A)		1,543		1,588
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR11, Cl A
2.358%, 10/25/2034(A)		500		497
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR14, Cl A1
2.751%, 01/25/2035(A)		1,156		1,172

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

63

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR2, Cl A
1.483%, VAR 12 Month Treas Avg + 1.400%, 04/25/2044	$	1,805	$	1,855
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR9, Cl A7
2.720%, 08/25/2034(A)		1,879		1,935
WaMu Mortgage Pass-Through Certificates, Ser 2004-CB2, Cl 1A
5.000%, 07/25/2034		149		153
Wells Fargo Commercial Mortgage Trust, Ser 2012-LC5, Cl AS
3.539%, 10/15/2045		275		279
Wells Fargo Mortgage-Backed Securities Trust, Ser 2004-K, Cl 1A2
2.615%, 07/25/2034(A)		173		175
Wells Fargo Mortgage-Backed Securities Trust, Ser 2004-U, Cl A1
2.766%, 10/25/2034(A)		915		909
				245,457
Total Mortgage-Backed Securities
(Cost $262,057) ($ Thousands)				261,609
LOAN PARTICIPATIONS — 32.4%
Aerospace & Defense — 0.7%
Bleriot US Bidco Inc., 2021 Term Loan, 1st Lien
4.132%, VAR LIBOR + 4.000%, 10/30/2026		1,733		1,730
Peraton Corp., Term B Loan, 2nd Lien
4.501%, VAR LIBOR + 3.750%, 02/01/2028		2,761		2,751
Ultra Electronics Holdings PLC, Dollar Denominated Term Loan, 1st Lien
0.000%, 11/17/2028 (D)		1,025		1,021
				5,502
Air Transport — 0.7%
AAdvantage Loyality IP Ltd., Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.750%, 04/20/2028		1,519		1,558
Air Canada, Term Loan, 1st Lien
4.250%, 08/11/2028		274		272
American Airlines Inc., 2018 Replacement Term Loan, 1st Lien
1.852%, 06/27/2025 (A)		253		237

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
American Airlines Inc., 2020 Term Loan, 1st Lien
1.840%, VAR LIBOR + 1.750%, 01/29/2027	$	1,114	$	1,038
Mileage Plus Holdings LLC, Initial Term Loan, 1st Lien
6.250%, VAR LIBOR + 5.250%, 06/21/2027		905		943
SkyMiles IP Ltd., Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 3.750%, 10/20/2027		1,175		1,234
United AirLines Inc., Class B Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 04/21/2028		179		178
				5,460
Automotive — 0.7%
Autokiniton US Holdings Inc., Closing Date Term B Loan, 1st Lien
5.000%, 04/06/2028 (A)		1,582		1,579
Eastman Tire Supplies, Term B Loan, 1st Lien
6.000%, 08/12/2028 (E)		1,395		1,395
Holley Inc., Delayed Term Loan, 1st Lien
0.000%, 11/10/2028 (D)		33		33
Holley Inc., Initial Term Loan, 1st Lien
4.500%, 11/17/2028 (D)		198		197
Truck Hero Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.750%, 01/31/2028		2,000		1,982
				5,186
Building & Development — 1.8%
Artera Services LLC, Tranche B Term Loan, 1st Lien
4.500%, 03/06/2025		1,183		1,140
Brookfield Property REIT Inc., Initial Term B Loan, 1st Lien
2.591%, VAR LIBOR + 2.500%, 08/27/2025		3		3
CP Atlas Buyer Inc., Term B Loan, 1st Lien
4.251%, VAR LIBOR + 3.750%, 11/23/2027		1,952		1,931
Crown Subsea Communications Holding Inc., Initial Term Loan, 1st Lien
5.750%, 04/27/2027		1,338		1,343
Kodiak BP LLC, Initial Term Loan, 1st Lien
4.000%, 03/12/2028		2,472		2,452
KREF Holdings X LLC, 2021 Replacement Term Loan, 1st Lien
3.688%, 09/01/2027		1,678		1,678

64

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
MI Windows and Doors, LLC, Initial Term Loan, 1st Lien
4.501%, VAR LIBOR + 3.750%, 12/18/2027 (D)	$	1,672	$	1,667
RE/MAX LLC, Term Loan, 1st Lien
3.000%, 07/21/2028		1		1
Specialty Building Products Holdings LLC, Initial Term Loan, 1st Lien
4.250%, 10/15/2028 (D)		1,286		1,276
SRS Distribution Inc., 2021 Refinancing Term Loan, 1st Lien
4.250%, 06/02/2028		2,449		2,439
US LBM Holdings LLC, Delayed Term Loan, 1st Lien
0.000%, 12/17/2027 (D)		97		95
				14,025
Business Equipment & Services — 2.6%
Ahead DB Borrower LLC, Term B Loan, 1st Lien
4.500%, 10/18/2027		286		285
AVSC Holding Corp., 2020 B-1 Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 03/03/2025		2,444		2,210
AVSC Holding Corp., Initial Term Loan, 2nd Lien
8.250%, VAR LIBOR + 7.250%, 09/01/2025 (E)		1,132		904
Electron Bidco Inc., Initial Term Loan, 1st Lien
3.750%, 11/01/2028		1,465		1,456
Ensono Inc, Term Loan, 1st Lien
4.750%, 05/26/2028		1,687		1,680
Marlink AS, Dollar Term Loan B, 1st Lien
0.000%, 11/03/2028 (D)		361		353
Medline Borrower, LP, Initial Dollar Term Loan, 1st Lien
3.750%, VAR LIBOR + 3.250%, 10/23/2028 (D)(E)		1,438		1,433
Mermaid Bidco Inc., Additional Term Facility (USD), 1st Lien
4.500%, 12/22/2027		1,673		1,661
Packers Holdings LLC, Initial Term Loan, 1st Lien
4.000%, 03/09/2028		1,707		1,689
Ping Identity Corporation, Term Loan B, 1st Lien
4.250%, 11/17/2028 (D)		700		698
Pug LLC, Term B-2 Loan, 1st Lien
4.750%, 02/12/2027		765		757

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Pug LLC, USD Term B Loan, 1st Lien
3.591%, VAR LIBOR + 3.500%, 02/12/2027	$	1,687	$	1,655
Service Logic Acquisition Inc., Closing Date Initial Term Loan, 1st Lien
4.750%, 10/29/2027		2,494		2,488
Service Logic Acquisition Inc., Delayed Draw Term Loan, 1st Lien
4.750%, 10/29/2027		54		53
Snap One Holdings Corp., Term Loan B, 1st Lien
0.000%, 11/23/2028 (D)		670		665
Tempo Acquisition LLC, Extended Term Loan, 1st Lien
3.341%, VAR LIBOR + 3.250%, 11/02/2026		2		2
TGG TS Acquisition Company, Term B Loan, 1st Lien
6.592%, VAR LIBOR + 6.500%, 12/14/2025		1,178		1,178
VT Topco Inc., 2021 Term Loan, 1st Lien
4.500%, 08/01/2025		214		214
William Morris Endeavor Entertainment LLC, Term Loan B-1, 1st Lien
2.850%, VAR LIBOR + 2.750%, 05/18/2025		1,184		1,158
				20,539
Cable & Satellite Television — 0.1%
Diamond Sports Group LLC, Term Loan, 1st Lien
3.350%, VAR LIBOR + 3.250%, 08/24/2026		997		417
Gray Television Inc., Term D Loan, 1st Lien
3.102%, 12/01/2028 (D)		454		451
				868
Chemicals & Plastics — 0.7%
Cambrex Corporation, Tranche B-2 Dollar Term Loan, 1st Lien
4.251%, VAR LIBOR + 3.500%, 12/04/2026 (D)		1,896		1,891
DCG Acquisition Corp., Term Loan B, 1st Lien
4.592%, VAR LIBOR + 4.500%, 09/30/2026 (E)		2,770		2,759
LSF11 Skyscraper Holdco S.a.r.l., Facility B3 (USD), 1st Lien
3.500%, 09/29/2027 (E)		2		2
SCIH Salt Holdings Inc., Incremental Term B-1 Loan, 1st Lien
4.750%, 03/16/2027 (D)		801		790
Tekni-Plex Inc., Term Loan, 1st Lien
4.500%, 07/29/2028		346		345

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

65

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
4.500%, 09/15/2028	$	20	$	20
				5,807
Computers & Electronics — 0.2%
Cvent Inc., Term Loan, 1st Lien
3.841%, VAR LIBOR + 3.750%, 11/29/2024 (D)		1,398		1,385
Conglomerates — 0.1%
Conair Holdings LLC, Initial Term Loan, 1st Lien
4.250%, 05/17/2028		720		718
Sunshine Luxembourg VII S.a r.l., Facility B3, 1st Lien
4.500%, VAR LIBOR + 3.750%, 10/01/2026		323		322
				1,040
Containers & Glass Products — 2.5%
Anchor Packaging LLC, Initial Term Loan, 1st Lien
4.091%, 07/18/2026 (A)(D)		1,428		1,410
Berlin Packaging LLC, Tranche B-5 Term Loan, 1st Lien
4.250%, 03/11/2028		2,294		2,277
Charter Next Generation Inc., Initial Term Loan (2021), 1st Lien
4.500%, 12/01/2027		2,840		2,840
Mauser Packaging Solutions Holding Company, Initial Term Loan, 1st Lien
3.337%, VAR LIBOR + 3.250%, 04/03/2024 (D)		2,253		2,207
Packaging Coordinators Midco Inc., Term B Loan, 1st Lien
4.250%, VAR LIBOR + 3.750%, 11/30/2027 (D)		455		453
Pregis TopCo LLC, Initial Term Loan, 1st Lien
4.091%, VAR LIBOR + 3.750%, 07/31/2026		1,614		1,613
Pregis TopCo LLC, Third Amendment Refinancing Term Loan, 1st Lien
4.500%, 07/31/2026		1,091		1,086
Pretium PKG Holdings Inc., Initial Term Loan, 1st Lien
4.500%, 10/02/2028		1,190		1,185
Pretium PKG Holdings Inc., Initial Term Loan, 2nd Lien
7.250%, 10/01/2029		1,685		1,694
Tank Holding Corp., 2020 Incremental Term Loan, 1st Lien
5.750%, 03/26/2026		1,755		1,749

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Tank Holding Corp., 2020 Refinancing Term Loan, 1st Lien
3.341%, VAR LIBOR + 3.250%, 03/26/2026	$	1,244	$	1,233
Trident TPI Holdings Inc., Tranche B-1 Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.000%, 10/17/2024		1,897		1,890
				19,637
Ecological Services & Equipment — 0.2%
Covanta Holding Corporation, Initial Term B Loan, 1st Lien
3.000%, 11/30/2028 (D)		835		832
Dispatch Acquisition Holdings LLC, Closing Date Term Loan, 1st Lien
5.000%, 03/27/2028		433		431
Esdec Solar Group B.V., Initial Term Loan, 1st Lien
5.750%, 08/30/2028		317		316
				1,579
Education Services — 0.1%
St. George's/Medforth, Term B Loan, 1st Lien
0.000%, 06/29/2028 (D)		345		343
Electronics/Electrical — 4.9%
Acuris Finance US Inc., Initial Dollar Term Loan, 1st Lien
4.500%, 02/16/2028		416		415
Applied Systems Inc., 2021 Term Loan, 2nd Lien
6.250%, 09/19/2025		549		553
Apttus Corporation, Initial Term Loan, 1st Lien
5.000%, 05/08/2028		1,337		1,332
Boxer Parent Company Inc., 2021 Replacement Dollar Term Loan, 1st Lien
3.974%, 10/02/2025		318		314
CommerceHub Inc., Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/29/2027 (E)		675		667
Delta Topco, Inc., Initial Term Loan, 2nd Lien
8.000%, VAR LIBOR + 7.250%, 12/01/2028		1,675		1,680
ECi Macola/MAX Holding LLC, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 11/09/2027		1,979		1,972

66

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Epicor Software Corporation, Initial Term Loan, 2nd Lien
8.752%, VAR LIBOR + 7.750%, 07/31/2028 (D)	$	606	$	619
Hyland Software Inc., 2018 Refinancing Term Loan, 1st Lien
4.251%, VAR LIBOR + 3.500%, 07/01/2024		864		862
Hyland Software Inc., 2021 Refinancing Term Loan, 2nd Lien
7.001%, 07/07/2025		1,981		1,998
Idera Inc., Term Loan, 1st Lien
4.500%, 03/02/2028		2,458		2,445
Idera Inc., Term Loan, 2nd Lien
7.500%, 03/02/2029 (A)		1,060		1,057
ION Trading Finance Limited, Initial Dollar Term Loan (2021), 1st Lien
4.917%, 04/01/2028		1,840		1,835
Ivanti Software Inc., 2021 Specified Refinancing Loan, 2nd Lien
7.750%, 12/01/2028 (D)		1,130		1,129
Ivanti Software Inc., First Amendment Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/01/2027		833		825
Ivanti Software Inc., Initial Term Loan, 1st Lien
5.750%, VAR LIBOR + 4.750%, 12/01/2027		1,408		1,397
LANDesk Software, Term Loan, 2nd Lien
9.500%, 12/01/2028 (A)		1,130		1,129
MA Financeco LLC, Tranche B-4 Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.250%, 06/05/2025		1,535		1,551
McAfee LLC, Term B USD Loan, 1st Lien
5.750%, 07/27/2028 (D)		1,573		1,548
MH Sub I LLC, 2020 June New Term Loan, 1st Lien
4.750%, VAR LIBOR + 3.750%, 09/13/2024		1,399		1,392
MH Sub I LLC, 2021 February New Term Loan, 2nd Lien
6.342%, 02/23/2029		550		554
MH Sub I LLC, Amendment No. 2 Initial Term Loan, 1st Lien
3.590%, VAR LIBOR + 3.500%, 09/13/2024		760		748
Mitchell International Inc., Initial Term Loan, 1st Lien
4.250%, 10/15/2028 (D)		927		914
Motus Group LLC, Initial Term Loan, 1st Lien
4.500%, 12/11/2028 (D)		850		847

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Netsmart Inc., Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 10/01/2027	$	1,789	$	1,786
Particle Luxembourg S.a.r.l., Initial Term Loan, 1st Lien
5.750%, 02/18/2027 (A)		1,326		1,320
Redstone HoldCo 2 LP, Initial Term Loan, 1st Lien
5.500%, 04/27/2028		1,200		1,137
Renaissance Holding Corp., Initial Term Loan, 2nd Lien
7.090%, 05/29/2026		1,003		1,004
Sophia L.P., Closing Date Loan, 2nd Lien
9.000%, VAR LIBOR + 8.000%, 10/09/2028 (E)		1,000		1,025
Sophia LP, Term Loan B, 1st Lien
3.724%, 10/07/2027		2,529		2,523
TIBCO Software Inc., Term B-2 Loan, 1st Lien
3.860%, 06/30/2026 (D)		977		968
TIBCO Software Inc., Term B-3 Loan, 1st Lien
3.850%, VAR LIBOR + 3.750%, 06/30/2026		721		712
Zelis Cost Management Buyer Inc., Amendment No. 2 Term Loan, 1st Lien
3.599%, 09/30/2026 (D)		308		303
				38,561
Financial Intermediaries — 3.1%
AI Convoy (Luxembourg) S.a r.l., Facility B (USD), 1st Lien
4.500%, VAR LIBOR + 3.500%, 01/18/2027 (D)		1,438		1,437
Alchemy Copyrights, LLC, 2020 Term Loan, 1st Lien
3.500%, VAR LIBOR + 3.250%, 03/10/2028 (E)		1,320		1,310
Apex Group Treasury Limited, USD Term Loan, 1st Lien
4.250%, 07/27/2028 (D)		1,371		1,364
Aruba Investments, Term Loan, 1st Lien
4.750%, 11/24/2027 (A)		506		506
Aruba Investments, Term Loan, 2nd Lien
8.500%, 11/24/2028 (A)		1,467		1,469
AssuredPartners Inc., 2021 Term Loan, 1st Lien
4.000%, 02/12/2027		975		967
Deerfield Dakota Holdings LLC , Initial Dollar Term Loan, 1st Lien
4.751%, VAR LIBOR + 3.750%, 04/09/2027		617		616

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

67

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
HighTower Holding LLC, Delayed Draw Term Loan, 1st Lien
4.750%, 04/21/2028	$	189	$	188
4.000%, 04/21/2028		45		45
HighTower Holding LLC, Initial Term Loan, 1st Lien
4.750%, 04/21/2028		936		933
LS Group Opco Acquisition LLC, Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 11/02/2027		1,216		1,211
Madison IAQ LLC, Initial Term Loan, 1st Lien
3.750%, VAR LIBOR + 3.250%, 06/21/2028 (D)		1,921		1,903
Mariner Wealth Advisors LLC, Initial Term Loan, 1st Lien
3.750%, 08/18/2028 (D)		663		654
MedAssets Software Intermediate Holdings Inc., Initial Term Loan, 1st Lien
4.500%, 01/28/2028 (D)		975		974
Mirion Technologies (US Holdings0 Inc., Initial Term Loan, 1st Lien
3.250%, 10/20/2028 (D)		118		117
Osmosis Buyer Limited, Initial Term B Loan, 1st Lien
4.500%, VAR LIBOR + 4.000%, 07/31/2028		2,796		2,791
Osmosis Buyer Limited, Term Loan, 1st Lien
0.074%, 07/31/2028		349		349
Paysafe Group Holdings II Limited, Facility B1 Term Loan, 1st Lien
3.250%, 06/28/2028 (D)		200		192
Quirch Foods Holdings LLC, 2021 Term Loan, 1st Lien
5.500%, 10/27/2027 (D)		3,171		3,167
Summer (BC) Bidco B LLC, Additional Facility B2 (USD) Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.500%, 12/04/2026		1,456		1,451
Titan Acquisition Limited, Initial Term Loan, 1st Lien
3.167%, VAR LIBOR + 3.000%, 03/28/2025		1,370		1,334
Valkyr Purchaser LLC, Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 11/05/2027		1,067		1,062
				24,040

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Food Service — 0.5%
IRB Holding Corp., Fourth Amendment Incremental Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.250%, 12/15/2027	$	1,534	$	1,527
Simply Good Foods USA Inc., 2019 Incremental Term Loan, 1st Lien
4.751%, VAR LIBOR + 3.750%, 07/07/2024		1,765		1,765
Sovos Brands Intermediate Inc., Initial Term Loan, 1st Lien
4.500%, 06/08/2028		630		629
Woof Holdings, Inc., Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 12/21/2027		88		87
				4,008
Food/Drug Retailers — 0.0%
EG Group Limited, Additional Term Facility (USD), 1st Lien
4.750%, 03/31/2026		334		333
Health Care — 4.2%
AHP Health Partners Inc., Initial Term Loan, 1st Lien
4.000%, 08/24/2028 (D)		753		750
Air Methods Corporation, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 04/22/2024 (D)		1,933		1,843
Auris Luxembourg III S.a r.l., Facility B2, 1st Lien
3.841%, VAR LIBOR + 3.750%, 02/27/2026		746		734
Aveanna Healthcare LLC, 2021 Extended Term Loan, 1st Lien
4.250%, 07/17/2028 (D)		169		167
Envision Healthcare Corporation, Initial Term Loan, 1st Lien
7.001%, 10/10/2025		305		223
3.840%, VAR LIBOR + 3.750%, 10/10/2025		2,351		1,767
Epic Health, Delayed Term Loan, 1st Lien
0.267%, 07/17/2028 (D)		39		39
eResearchTechnology Inc., Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.500%, 02/04/2027		2,628		2,627
EyeCare Partners LLC, Amendment No. 1 Term Loan, 1st Lien
4.250%, 11/15/2028		444		442
FC Compassus LLC, Term B-1 Loan, 1st Lien
5.000%, 12/31/2026		883		881

68

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Global Medical Response Inc., 2020 Refinancing Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.750%, 10/02/2025 (D)	$	1,123	$	1,114
Hanger Inc., Term B Loan , 1st Lien
3.591%, VAR LIBOR + 3.500%, 03/06/2025		1		1
Jaxx Pharmaceuticals Public Limited Company, Initial Dollar Term Loan, 1st Lien
4.000%, 05/05/2028		943		940
Kindred Healthcare LLC, Closing Date Term Loan, 1st Lien
4.626%, 07/02/2025		723		721
Maravai Intermediate Holdings LLC, Initial Term Loan, 1st Lien
4.751%, VAR LIBOR + 4.250%, 10/19/2027		1,604		1,601
MED ParentCo LP, Initial Term Loan, 1st Lien
4.340%, VAR LIBOR + 4.250%, 08/31/2026		2,007		1,995
Medline Industries, Bridge Loan, 1st Lien
0.000%, 07/21/2028 (C)(E)		1,038		1,038
Medline Industries, Unsecured Bridge Loan, 1st Lien
0.000%, 07/21/2028 (C)(E)		1,092		1,092
Milano Acquisition Corp., Term B Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 10/01/2027		3,099		3,094
National Mentor Holdings Inc., Initial Term Loan, 1st Lien
4.501%, 03/02/2028		2		2
4.500%, 03/02/2028		1		1
Navicure Inc., Initial Term Loan, 1st Lien
4.091%, VAR LIBOR + 4.000%, 10/22/2026		1,194		1,192
Option Care Health Inc., 2021 Refinancing Term Loan, 1st Lien
3.250%, 10/27/2028		848		845
Organon & Co., Dollar Term Commitment Loan, 1st Lien
3.500%, 06/02/2028		1,496		1,491
PetVet Care Centers LLC, 2021 First Lien Replacement Term Loan, 1st Lien
4.251%, VAR LIBOR + 3.500%, 02/14/2025		1,959		1,954
PetVet Care Centers LLC, Initial Term Loan, 2nd Lien
6.354%, 01/30/2026 (A)(D)		200		200

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Phoenix Newco, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 11/15/2028	$	2,280	$	2,269
Pluto Acquisition I Inc., 2021 Term Loan, 1st Lien
4.175%, 06/22/2026 (D)		826		819
Precision Medicine Group LLC, Amendment No. 1 Refinancing Term Loan, 1st Lien
3.750%, 11/18/2027		3		2
Radnet Management Inc., Initial Term Loan, 1st Lien
5.250%, 04/23/2028		2		2
3.750%, 04/23/2028		647		642
Tecostar Holdings Inc., 2017 Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 05/01/2024 (D)		914		867
WCG Purchaser Corp., Initial Term Loan, 1st Lien
5.000%, 01/08/2027		1,880		1,879
				33,234
Home Furnishings — 0.3%
Generation Brands LLC, Term Loan, 2nd Lien
7.250%, 07/23/2029		1,570		1,556
TGP Holdings III LLC, Closing Date Term Loan, 1st Lien
4.250%, 06/29/2028 (D)		724		718
				2,274
Industrial Equipment — 1.5%
Alliance Laundry Systems LLC, Initial Term B Loan, 1st Lien
4.250%, 10/08/2027 (D)		767		766
Groupe Solmax Inc., Initial Term Loan, 1st Lien
5.500%, 05/29/2028 (D)		976		971
Pro Mach Group Inc., Closing Date Initial Term Loan, 1st Lien
5.000%, 08/31/2028		1,415		1,413
Pro Mach Group Inc., Delayed Term Loan, 1st Lien
0.000%, 08/31/2028 (C)		46		46
Restaurant Technologies Inc., Initial Loan, 2nd Lien
6.592%, VAR LIBOR + 6.500%, 10/01/2026 (E)		974		967
Star US Bidco LLC, Initial Term Loan, 1st Lien
5.251%, VAR LIBOR + 4.250%, 03/17/2027		2,515		2,504

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

69

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
TK Elevator Midco GmbH, Facility B1 (USD), 1st Lien
4.000%, VAR LIBOR + 3.500%, 07/30/2027	$	1,726	$	1,719
TMK Hawk Parent Corp., Initial Tranche A Loan (Super Senior Priority), 1st Lien
8.502%, 05/30/2024 (A)		719		712
TMK Hawk Parent Corp., Initial Tranche B Loan (Super Senior Priority), 1st Lien
4.500%, VAR LIBOR + 3.500%, 08/28/2024		948		841
Triton Water Holdings, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 03/31/2028		2,004		1,993
Vantage Elevator Solutions, Term Loan 1st Lien
0.000%, 11/10/2028 (D)		166		165
				12,097
Insurance — 1.7%
Acrisure LLC, 2020 Term Loan, 1st Lien
3.632%, VAR LIBOR + 3.500%, 02/15/2027 (D)		1,338		1,307
Acrisure LLC, 2021-2 Additional Term Loan, 1st Lien
4.750%, 02/15/2027 (D)		165		164
AqGen Ascensus Inc., Term Loan, 1st Lien
4.000%, 08/02/2028 (D)		442		438
AqGen Island Holdings Inc., Term Loan, 2nd Lien
0.112%, 08/02/2029 (D)(E)		1,251		1,252
Asurion LLC, New B-7 Term Loan, 1st Lien
3.091%, VAR LIBOR + 3.000%, 11/03/2024		41		40
Asurion LLC, New B-8 Term Loan, 1st Lien
3.340%, VAR LIBOR + 3.250%, 12/23/2026		705		693
Asurion LLC, New B-9 Term Loan, 1st Lien
3.341%, VAR LIBOR + 3.250%, 07/31/2027		1,030		1,015
Cross Financial Corp., Term B-1 Loan, 1st Lien
4.750%, 09/15/2027		1,427		1,427
Hub International Limited, B-3 Incremental Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.250%, 04/25/2025 (D)		565		562
Hyperion Insurance Group, Term Loan B, 1st Lien
4.000%, 11/12/2027		1,595		1,580

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Hyperion Insurance Group, Term Loan, 1st Lien
0.000%, 11/12/2027 (D)	$	215	$	211
NFP Corp., Closing Date Term Loan, 1st Lien
3.341%, 02/15/2027		2		2
OneDigital Borrower LLC, 2021 Term Loan, 1st Lien
0.000%, 11/16/2027 (D)		436		434
OneDigital Borrower LLC, Initial Term Loan, 1st Lien
5.250%, 11/16/2027		2,100		2,092
USI Inc., 2021 New Term Loan, 1st Lien
3.382%, VAR LIBOR + 3.250%, 12/02/2026		1,720		1,704
				12,921
Leisure Goods/Activities/Movies — 1.8%
Alterra Mountain Company, Series B-2 Term Loan, 1st Lien
4.000%, 08/17/2028		1,587		1,569
Enterprise Development Authority, Term B Loan, 1st Lien
5.000%, VAR LIBOR + 4.250%, 02/28/2028 (E)		2,083		2,086
Equinox Holdings Inc., Incremental Term B-1 Loan, 1st Lien
4.000%, 03/08/2024 (A)		2,510		2,378
Equinox Holdings Inc., Term B-2 Loan, 1st Lien
10.000%, VAR LIBOR + 9.000%, 03/08/2024		755		755
Great Canadian Gaming, Term Loan B, 1st Lien
4.750%, 11/01/2026		718		716
Hard Rock Northern Indiana, Term Loan B, 1st Lien
0.000%, 11/17/2028 (D)		935		933
Hoya Midco LLC, Initial Term Loan, 1st Lien
4.501%, VAR LIBOR + 4.000%, 06/30/2024		1,438		1,435
Life Time Inc., 2021 Refinancing Term Loan, 1st Lien
5.750%, VAR LIBOR + 4.750%, 12/16/2024		556		560
MSG National Properties LLC, Term Loan, 1st Lien
7.000%, 12/31/2049 (E)		841		855
Traeger Grills, Delayed Term Loan, 1st Lien
0.000%, 06/29/2028 (D)		49		49
UFC Holdings LLC, Term B-3 Loan, 1st Lien
3.500%, VAR LIBOR + 3.000%, 04/29/2026		1,628		1,603

70

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
United PF Holdings LLC, Initial Term Loan, 1st Lien
4.132%, VAR LIBOR + 4.000%, 12/30/2026	$	1,246	$	1,201
				14,140
Oil & Gas — 0.3%
CQP Holdco LP, Initial Term Loan, 1st Lien
4.250%, 06/05/2028 (E)		4		4
Freeport LNG Investments LLLP, Term Loan B, 1st Lien
0.000%, 12/21/2028 (D)		1,005		995
Woodford Express LLC, Term Loan B, 1st Lien
6.000%, VAR LIBOR + 5.000%, 01/27/2025		1,442		1,416
				2,415
Publishing — 0.1%
Clear Channel Outdoor Holdings Inc., Term B Loan, 1st Lien
3.629%, VAR LIBOR + 3.500%, 08/21/2026		816		797
3.601%, VAR LIBOR + 3.500%, 08/21/2026		2		2
Thomson Learning, Term B Loan, 1st Lien
5.750%, 07/14/2026		3		3
				802
Retailers (Except Food & Drug) — 1.2%
Ascend Learning LLC, Term Loan B, 1st Lien
0.000%, 11/17/2028 (D)		1,115		1,108
Bass Pro Group LLC, Term Loan B, 1st Lien
5.000%, 03/06/2028		2,006		2,003
Fanatics Commerce Intermediate Holdco LLC, Initial Term Loan, 1st Lien
3.750%, 11/24/2028 (D)		879		874
LBM Acquisition LLC, Amendment No. 1 Term Loan, 1st Lien
4.500%, 12/17/2027 (D)		193		190
LBM Acquisition LLC, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 12/17/2027		1,384		1,362
Learning Care Group (US) No. 2 Inc., 2020 Incremental Term Loan, 1st Lien
9.503%, VAR LIBOR + 8.500%, 03/13/2025		249		247
9.500%, VAR LIBOR + 8.500%, 03/13/2025		270		269
Learning Care Group (US) No. 2 Inc., Initial Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.250%, 03/13/2025 (D)		863		844

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Shutterfly, LLC, 2021 Refinancing Term B Loan, 1st Lien
5.750%, VAR LIBOR + 5.000%, 09/25/2026	$	1,725	$	1,667
Sweetwater Borrower LLC, Initial Term Loan, 1st Lien
5.500%, 08/07/2028		861		857
				9,421
Software & Service — 0.1%
Proofpoint Inc., Term Loan, 2nd Lien
6.751%, 08/31/2029		689		697
Surface Transport — 0.7%
Dynasty Acquisition Co., Inc., 2020 Term B-1 Loan, 1st Lien
3.632%, VAR LIBOR + 3.500%, 04/06/2026 (D)		283		274
Dynasty Acquisition Co., Inc., 2020 Term B-2 Loan, 1st Lien
3.632%, VAR LIBOR + 3.500%, 04/06/2026 (D)		152		147
FCG Acquisitions Inc., Amendment No. 1 Delayed Draw Term Loan, 2nd Lien
6.750%, 03/30/2029		179		178
FCG Acquisitions Inc., Delayed Draw Term Loan, 1st Lien
4.250%, 03/31/2028		168		167
FCG Acquisitions Inc., Initial Term Loan, 1st Lien
4.250%, 03/31/2028		1,370		1,369
FCG Acquisitions Inc., Initial Term Loan, 2nd Lien
6.750%, 03/30/2029 (E)		857		855
First Student Bidco Inc., Initial Term B Loan, 1st Lien
3.500%, VAR LIBOR + 3.000%, 07/21/2028		1,058		1,048
First Student Bidco Inc., Initial Term C Loan, 1st Lien
3.500%, VAR LIBOR + 3.000%, 07/21/2028		391		387
LaserShip Inc., Initial Term Loan, 1st Lien
5.250%, 05/07/2028		945		945
				5,370
Telecommunications — 1.5%
Cable & Wireless Communications, Term Loan B6, 1st Lien
0.094%, 09/23/2029		1,060		1,048
Castle US Holding Corporation, Incremental Term B Loan, 1st Lien
4.750%, 01/29/2027		911		911

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

71

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Consolidated Communications Inc., Term B-1 Loan, 1st Lien
4.251%, 10/02/2027	$	1,064	$	1,058
DEI Sales Inc., Initial Term Loan, 1st Lien
6.251%, 04/28/2028 (E)		1,073		1,071
Greeneden U.S. Holdings I LLC, Initial Dollar Term Loan (2020), 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/01/2027		2,828		2,820
Intelsat Jackson Holdings S.A., Tranche B-3 Term Loan, 1st Lien
8.002%, VAR Prime Rate by Country + 4.750%, 11/27/2023		1,953		1,956
Intelsat Jackson Holdings S.A., Tranche B-4 Term Loan, 1st Lien
8.752%, VAR Prime Rate by Country + 5.500%, 01/02/2024		355		355
Sorenson Communications LLC, 2021 Term Loan, 1st Lien
6.250%, 03/17/2026 (A)		1,864		1,863
VC GB Holdings I Corp, Initial Term Loan, 1st Lien
4.000%, 07/21/2028		940		927
				12,009
Utilities — 0.1%
Astoria Energy LLC, Term B Advance (2020), 1st Lien
4.500%, VAR LIBOR + 3.500%, 12/10/2027 (D)		367		366
Total Loan Participations
(Cost $254,648) ($ Thousands)				254,059
ASSET-BACKED SECURITIES — 21.7%
Automotive — 4.0%
American Credit Acceptance Receivables Trust, Ser 2018-2, Cl D
4.070%, 07/10/2024 (B)		115		116
American Credit Acceptance Receivables Trust, Ser 2020-3, Cl A
0.620%, 10/13/2023 (B)		5		5
American Credit Acceptance Receivables Trust, Ser 2020-4, Cl A
0.530%, 03/13/2024 (B)		54		54
American Credit Acceptance Receivables Trust, Ser 2021-1, Cl A
0.350%, 05/13/2024 (B)		110		110

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
American Credit Acceptance Receivables Trust, Ser 2021-1, Cl B
0.610%, 03/13/2025 (B)	$	890	$	890
American Credit Acceptance Receivables Trust, Ser 2021-2, Cl B
0.680%, 05/13/2025 (B)		120		120
American Credit Acceptance Receivables Trust, Ser 2021-3, Cl A
0.330%, 06/13/2025 (B)		136		136
American Credit Acceptance Receivables Trust, Ser 2021-3, Cl B
0.660%, 02/13/2026 (B)		185		184
American Credit Acceptance Receivables Trust, Ser 2021-4, Cl A
0.450%, 09/15/2025 (B)		550		550
AmeriCredit Automobile Receivables Trust, Ser 2020-1, Cl C
1.590%, 10/20/2025		475		479
AmeriCredit Automobile Receivables Trust, Ser 2020-2, Cl C
1.480%, 02/18/2026		550		554
AmeriCredit Automobile Receivables Trust, Ser 2020-3, Cl C
1.060%, 08/18/2026		300		300
ARI Fleet Lease Trust, Ser 2020-A, Cl A2
1.770%, 08/15/2028 (B)		60		60
ARI Fleet Lease Trust, Ser 2021-A, Cl A2
0.370%, 03/15/2030 (B)		100		100
Arivo Acceptance Auto Loan Receivables Trust, Ser 2021-1A, Cl A
1.190%, 01/15/2027 (B)		744		743
Avid Automobile Receivables Trust, Ser 2019-1, Cl A
2.620%, 02/15/2024 (B)		10		10
Avid Automobile Receivables Trust, Ser 2021-1, Cl A
0.610%, 01/15/2025 (B)		134		134
CarMax Auto Owner Trust, Ser 2018-2, Cl C
3.570%, 12/15/2023		425		431
CarMax Auto Owner Trust, Ser 2021-3, Cl A2A
0.290%, 09/16/2024		275		275
Carvana Auto Receivables Trust, Ser 2021-N1, Cl A
0.700%, 01/10/2028		192		191
Carvana Auto Receivables Trust, Ser 2021-N2, Cl B
0.750%, 03/10/2028		135		134
Carvana Auto Receivables Trust, Ser 2021-N3, Cl B
0.660%, 06/12/2028		600		598

72

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Carvana Auto Receivables Trust, Ser 2021-P3, Cl A2
0.380%, 01/10/2025	$	251	$	250
CFMT LLC, Ser 2021-AL1, Cl B
1.390%, 09/22/2031 (B)		500		500
Chesapeake Funding II LLC, Ser 2019-1A, Cl A1
2.940%, 04/15/2031 (B)		196		198
Chesapeake Funding II LLC, Ser 2019-2A, Cl A1
1.950%, 09/15/2031 (B)		247		249
Chesapeake Funding II LLC, Ser 2021-1A, Cl A2
0.320%, VAR ICE LIBOR USD 1 Month + 0.230%, 04/15/2033 (B)		165		165
CPS Auto Receivables Trust, Ser 2017-C, Cl E
5.720%, 09/16/2024 (B)		1,500		1,529
CPS Auto Receivables Trust, Ser 2020-C, Cl A
0.630%, 03/15/2024 (B)		5		5
CPS Auto Receivables Trust, Ser 2021-A, Cl B
0.610%, 02/18/2025 (B)		255		255
CPS Auto Receivables Trust, Ser 2021-B, Cl A
0.370%, 03/17/2025 (B)		122		122
CPS Auto Receivables Trust, Ser 2021-B, Cl B
0.810%, 12/15/2025 (B)		330		329
CPS Auto Receivables Trust, Ser 2021-C, Cl B
0.840%, 07/15/2025 (B)		650		647
Credit Acceptance Auto Loan Trust, Ser 2019-3A, Cl A
2.380%, 11/15/2028 (B)		450		454
Credit Acceptance Auto Loan Trust, Ser 2020-1A, Cl A
2.010%, 02/15/2029 (B)		600		606
Credit Acceptance Auto Loan Trust, Ser 2021-3A, Cl A
1.000%, 05/15/2030 (B)		250		248
Donlen Fleet Lease Funding II LLC, Ser 2021-2, Cl A2
0.560%, 12/11/2034 (B)		295		294
Drive Auto Receivables Trust, Ser 2018-2, Cl D
4.140%, 08/15/2024		89		90
Drive Auto Receivables Trust, Ser 2021-1, Cl B
0.650%, 07/15/2025		110		110
DT Auto Owner Trust, Ser 2019-4A, Cl B
2.360%, 01/16/2024 (B)		50		50
DT Auto Owner Trust, Ser 2021-1A, Cl B
0.620%, 09/15/2025 (B)		160		160

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
DT Auto Owner Trust, Ser 2021-2A, Cl B
0.810%, 01/15/2027 (B)	$	155	$	155
DT Auto Owner Trust, Ser 2021-3A, Cl A
0.330%, 04/15/2025 (B)		398		397
Enterprise Fleet Financing LLC, Ser 2019-1, Cl A2
2.980%, 10/20/2024 (B)		75		75
Enterprise Fleet Financing LLC, Ser 2019-3, Cl A2
2.060%, 05/20/2025 (B)		207		209
Enterprise Fleet Financing LLC, Ser 2020-1, Cl A2
1.780%, 12/22/2025 (B)		146		147
Enterprise Fleet Financing LLC, Ser 2021-2, Cl A2
0.480%, 05/20/2027 (B)		150		149
Exeter Automobile Receivables Trust, Ser 2018-3A, Cl D
4.350%, 06/17/2024 (B)		174		178
Exeter Automobile Receivables Trust, Ser 2021-1A, Cl B
0.500%, 02/18/2025		450		450
Exeter Automobile Receivables Trust, Ser 2021-2A, Cl B
0.570%, 09/15/2025		275		274
FHF Trust, Ser 2021-2A, Cl A
0.830%, 12/15/2026 (B)		167		166
First Investors Auto Owner Trust, Ser 2021-1A, Cl A
0.450%, 03/16/2026 (B)		625		625
First Investors Auto Owner Trust, Ser 2021-1A, Cl C
1.170%, 03/15/2027 (B)		610		604
Flagship Credit Auto Trust, Ser 2019-2, Cl A
2.830%, 10/16/2023 (B)		7		7
Flagship Credit Auto Trust, Ser 2019-3, Cl A
2.330%, 02/15/2024 (B)		37		37
Flagship Credit Auto Trust, Ser 2020-1, Cl A
1.900%, 08/15/2024 (B)		66		66
Flagship Credit Auto Trust, Ser 2020-3, Cl A
0.700%, 04/15/2025 (B)		38		38
Flagship Credit Auto Trust, Ser 2020-4, Cl A
0.530%, 04/15/2025 (B)		238		237
Flagship Credit Auto Trust, Ser 2021-1, Cl A
0.310%, 06/16/2025 (B)		216		216
Flagship Credit Auto Trust, Ser 2021-2, Cl A
0.370%, 12/15/2026 (B)		327		326
Flagship Credit Auto Trust, Ser 2021-2, Cl B
0.930%, 06/15/2027 (B)		215		213
Flagship Credit Auto Trust, Ser 2021-3, Cl A
0.360%, 07/15/2027 (B)		220		219

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

73

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Ford Credit Auto Owner Trust, Ser 2017-2, Cl A
2.360%, 03/15/2029 (B)	$	450	$	457
Foursight Capital Automobile Receivables Trust, Ser 2021-1, Cl A2
0.400%, 08/15/2024 (B)		214		214
Foursight Capital Automobile Receivables Trust, Ser 2021-2, Cl A2
0.400%, 04/15/2025 (B)		170		169
Foursight Capital Automobile Receivables Trust, Ser 2021-2, Cl A3
0.810%, 05/15/2026 (B)		100		99
GLS Auto Receivables Issuer Trust, Ser 2019-4A, Cl A
2.470%, 11/15/2023 (B)		11		11
GLS Auto Receivables Issuer Trust, Ser 2020-1A, Cl A
2.170%, 02/15/2024 (B)		31		31
GLS Auto Receivables Issuer Trust, Ser 2020-3A, Cl A
0.690%, 10/16/2023 (B)		11		11
GLS Auto Receivables Issuer Trust, Ser 2021-1A, Cl B
0.820%, 04/15/2025 (B)		365		365
GLS Auto Receivables Issuer Trust, Ser 2021-3A, Cl A
0.420%, 01/15/2025 (B)		537		536
GLS Auto Receivables Trust, Ser 2021-2A, Cl B
0.770%, 09/15/2025 (B)		250		249
GM Financial Automobile Leasing Trust, Ser 2020-2, Cl A2A
0.710%, 10/20/2022		15		15
JPMorgan Chase Bank - CACLN, Ser 2021-2, Cl C
0.969%, 12/26/2028 (B)		905		903
JPMorgan Chase Bank - CACLN, Ser 2021-3, Cl D
1.009%, 02/26/2029 (B)		1,786		1,774
LAD Auto Receivables Trust, Ser 2021-1A, Cl A
1.300%, 08/17/2026 (B)		515		515
Lendbuzz Securitization Trust, Ser 2021-1A, Cl A
1.460%, 06/15/2026 (B)		544		542
Nissan Auto Receivables Owner Trust, Ser 2019-C, Cl A3
1.930%, 07/15/2024		226		228
Santander Consumer Auto Receivables Trust, Ser 2020-AA, Cl A
1.370%, 10/15/2024 (B)		95		95

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Santander Drive Auto Receivables Trust, Ser 2020-2, Cl C
1.460%, 09/15/2025	$	1,075	$	1,080
Santander Drive Auto Receivables Trust, Ser 2020-4, Cl C
1.010%, 01/15/2026		215		216
Santander Drive Auto Receivables Trust, Ser 2021-1, Cl B
0.500%, 04/15/2025		600		599
Santander Drive Auto Receivables Trust, Ser 2021-2, Cl B
0.590%, 09/15/2025		130		130
Santander Drive Auto Receivables Trust, Ser 2021-3, Cl A3
0.330%, 03/17/2025		160		160
Santander Drive Auto Receivables Trust, Ser 2021-3, Cl B
0.600%, 12/15/2025		130		129
Santander Retail Auto Lease Trust, Ser 2021-B, Cl A2
0.310%, 01/22/2024 (B)		274		274
Securitized Term Auto Receivables Trust, Ser 2019-1A, Cl A3
2.986%, 02/27/2023 (B)		83		83
Securitized Term Auto Receivables Trust, Ser 2019-CRTA, Cl D
4.572%, 03/25/2026 (B)		408		417
Tesla Auto Lease Trust, Ser 2020-A, Cl A2
0.550%, 05/22/2023 (B)		44		44
Tesla Auto Lease Trust, Ser 2020-A, Cl B
1.180%, 01/22/2024 (B)		1,000		1,004
Tidewater Auto Receivables Trust, Ser 2020-AA, Cl C
1.910%, 09/15/2026 (B)		2,000		2,020
Toyota Lease Owner Trust, Ser 2021-B, Cl A2
0.250%, 03/20/2024 (B)		345		344
Tricolor Auto Securitization Trust, Ser 2021-1A, Cl A
0.740%, 04/15/2024 (B)		251		251
United Auto Credit Securitization Trust, Ser 2021-1, Cl B
0.680%, 03/11/2024 (B)		550		550
Westlake Automobile Receivables Trust, Ser 2019-2A, Cl C
2.840%, 07/15/2024 (B)		343		345
Westlake Automobile Receivables Trust, Ser 2021-1A, Cl B
0.640%, 03/16/2026 (B)		230		230
Westlake Automobile Receivables Trust, Ser 2021-2A, Cl A2A
0.320%, 04/15/2025 (B)		185		185

74

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Westlake Automobile Receivables Trust, Ser 2021-2A, Cl B
0.620%, 07/15/2026 (B)	$	140	$	139
				31,637
Credit Cards — 0.4%
Discover Card Execution Note Trust, Ser 2017-A5, Cl A5
0.689%, VAR ICE LIBOR USD 1 Month + 0.600%, 12/15/2026		2,645		2,673
Mercury Financial Credit Card Master Trust, Ser 2021-1A, Cl A
1.540%, 03/20/2026 (B)		355		355
				3,028
Mortgage Related Securities — 0.4%
ABFC Trust, Ser 2005-OPT1, Cl M1
0.782%, VAR ICE LIBOR USD 1 Month + 0.690%, 07/25/2035		72		72
Accredited Mortgage Loan Trust, Ser 2004-4, Cl A1A
0.772%, VAR ICE LIBOR USD 1 Month + 0.680%, 01/25/2035		23		23
ACE Securities Home Equity Loan Trust, Ser 2005-SD1, Cl M2
1.967%, VAR ICE LIBOR USD 1 Month + 1.875%, 11/25/2050		1,042		1,053
Aegis Asset-Backed Securities Trust Mortgage Pass-Through Certificates, Ser 2004-3, Cl M1
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 09/25/2034		1,167		1,166
Bravo Mortgage Asset Trust, Ser 2006-1A, Cl A2
0.332%, VAR ICE LIBOR USD 1 Month + 0.240%, 07/25/2036 (B)		29		29
Irwin Home Equity Loan Trust, Ser 2006-1, Cl 2A3
6.270%, 09/25/2035 (B)		39		40
Morgan Stanley Dean Witter Capital I Trust, Ser 2002-HE2, Cl A1
0.952%, VAR ICE LIBOR USD 1 Month + 0.860%, 08/25/2032 (B)		789		789
Structured Asset Securities Mortgage Loan Trust, Ser 2005-NC2, Cl M4
0.797%, VAR ICE LIBOR USD 1 Month + 0.705%, 05/25/2035		370		370
				3,542

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Other Asset-Backed Securities — 16.9%
Affirm Asset Securitization Trust, Ser 2020-Z1, Cl A
3.460%, 10/15/2024 (B)	$	49	$	50
Affirm Asset Securitization Trust, Ser 2020-Z2, Cl A
1.900%, 01/15/2025 (B)		128		128
Affirm Asset Securitization Trust, Ser 2021-A, Cl A
0.880%, 08/15/2025 (B)		100		100
Affirm Asset Securitization Trust, Ser 2021-B, Cl A
1.030%, 08/17/2026 (B)		260		259
Affirm Asset Securitization Trust, Ser 2021-Z1, Cl A
1.070%, 08/15/2025 (B)		241		241
Affirm Asset Securitization Trust, Ser 2021-Z2, Cl A
1.170%, 11/16/2026 (B)		210		209
Allegro CLO II-S, Ser 2018-1RA, Cl A1
1.210%, VAR ICE LIBOR USD 3 Month + 1.080%, 10/21/2028 (B)		2,009		2,009
Amur Equipment Finance Receivables IX LLC, Ser 2021-1A, Cl A2
0.750%, 11/20/2026 (B)		295		294
Amur Equipment Finance Receivables VII LLC, Ser 2019-1A, Cl B
2.800%, 03/20/2025 (B)		1,500		1,527
Anchorage Capital CLO, Ser 2018-5RA, Cl A
1.114%, VAR ICE LIBOR USD 3 Month + 0.990%, 01/15/2030 (B)		1,461		1,462
Apidos CLO XII, Ser 2018-12A, Cl AR
1.204%, VAR ICE LIBOR USD 3 Month + 1.080%, 04/15/2031 (B)		725		725
Apidos CLO XV, Ser 2018-15A, Cl A1RR
1.142%, VAR ICE LIBOR USD 3 Month + 1.010%, 04/20/2031 (B)		410		410
Aqua Finance Trust, Ser 2021-A, Cl A
1.540%, 07/17/2046 (B)		187		186
Ares XXXIIR CLO, Ser 2018-32RA, Cl A1B
1.356%, VAR ICE LIBOR USD 3 Month + 1.200%, 05/15/2030 (B)		725		721
Arm Master Trust, Ser 2021-T2, Cl A
1.420%, 01/15/2024 (B)		820		820
Atalaya Equipment Leasing Trust, Ser 2021-1A, Cl A2
1.230%, 05/15/2026 (B)		175		175
Atrium XII, Ser 2017-12A, Cl DR
2.928%, VAR ICE LIBOR USD 3 Month + 2.800%, 04/22/2027 (B)		500		496

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

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SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Avant Loans Funding Trust, Ser 2021-REV1, Cl A
1.210%, 07/15/2030 (B)	$	195	$	194
Avery Point IV CLO, Ser 2014-1A, Cl D
3.624%, VAR ICE LIBOR USD 3 Month + 3.500%, 04/25/2026 (B)		800		802
Avery Point IV CLO, Ser 2017-1A, Cl CR
2.474%, VAR ICE LIBOR USD 3 Month + 2.350%, 04/25/2026 (B)		1,463		1,464
Avery Point VII CLO, Ser 2019-7A, Cl DR
3.724%, VAR ICE LIBOR USD 3 Month + 3.600%, 01/15/2028 (B)		500		500
Bain Capital Credit CLO, Ser 2018-1A, Cl A1
1.084%, VAR ICE LIBOR USD 3 Month + 0.960%, 04/23/2031 (B)		450		450
Barings CLO, Ser 2017-IA, Cl AR
0.932%, VAR ICE LIBOR USD 3 Month + 0.800%, 01/20/2028 (B)		3,193		3,195
Barings CLO, Ser 2017-IA, Cl DR
2.682%, VAR ICE LIBOR USD 3 Month + 2.550%, 01/20/2028 (B)		750		747
Bayview Opportunity Master Fund IVa Trust, Ser 2017-RT1, Cl A1
3.000%, 03/28/2057 (A)(B)		911		918
Bayview Opportunity Master Fund IVb Trust, Ser 2017-RT6, Cl A
3.500%, 10/28/2057 (A)(B)		360		361
Bear Stearns Asset Backed Securities Trust, Ser 2005-SD2, Cl 2M2
1.592%, VAR ICE LIBOR USD 1 Month + 1.500%, 12/25/2044		470		470
Benefit Street Partners CLO XII, Ser 2021-12A, Cl A1R
1.074%, VAR ICE LIBOR USD 3 Month + 0.950%, 10/15/2030 (B)		425		425
BlueMountain CLO, Ser 2018-2A, Cl A1R
1.052%, VAR ICE LIBOR USD 3 Month + 0.930%, 07/18/2027 (B)		1,829		1,829
BRE Grand Islander Timeshare Issuer LLC, Ser 2017-1A, Cl A
2.940%, 05/25/2029 (B)		2,492		2,534
BRE Grand Islander Timeshare Issuer LLC, Ser 2019-A, Cl A
3.280%, 09/26/2033 (B)		1,043		1,077
Carlyle Global Market Strategies CLO, Ser 2018-1A, Cl A1R2
1.092%, VAR ICE LIBOR USD 3 Month + 0.970%, 04/17/2031 (B)		648		648
Carlyle Global Market Strategies CLO, Ser 2021-1A, Cl AR3
1.112%, VAR ICE LIBOR USD 3 Month + 0.980%, 07/20/2031 (B)		310		310

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Carlyle US CLO, Ser 2021-2A, Cl A1R
1.184%, VAR ICE LIBOR USD 3 Month + 1.050%, 07/20/2031 (B)	$	1,450	$	1,450
CCG Receivables Trust, Ser 2021-1, Cl A2
0.300%, 06/14/2027 (B)		90		89
CIFC Funding, Ser 2018-2A, Cl A1
1.172%, VAR ICE LIBOR USD 3 Month + 1.040%, 04/20/2031 (B)		250		250
CIFC Funding, Ser 2018-3A, Cl AR
0.994%, VAR ICE LIBOR USD 3 Month + 0.870%, 04/19/2029 (B)		852		852
Citigroup Mortgage Loan Trust, Ser 2007-WFH4, Cl A2C
1.392%, VAR ICE LIBOR USD 1 Month + 1.300%, 07/25/2037		126		126
CNH Equipment Trust, Ser 2020-A, Cl A2
1.080%, 07/17/2023		1		1
CNH Equipment Trust, Ser 2021-A, Cl A2
0.230%, 03/15/2024		155		155
Columbia Cent CLO, Ser 2018-27A, Cl A1
1.274%, VAR ICE LIBOR USD 3 Month + 1.150%, 10/25/2028 (B)		581		581
Conn's Receivables Funding LLC, Ser 2020-A, Cl A
1.710%, 06/16/2025 (B)		34		34
CoreVest American Finance Trust, Ser 2018-1, Cl A
3.804%, 06/15/2051 (B)		1,308		1,330
Countrywide Asset-Backed Certificates, Ser 2006-4, Cl 2A3
0.672%, VAR ICE LIBOR USD 1 Month + 0.580%, 07/25/2036		346		346
Credit-Based Asset Servicing & Securitization LLC, Ser 2005-CB7, Cl M1
0.707%, VAR ICE LIBOR USD 1 Month + 0.615%, 11/25/2035		653		652
Crossroads Asset Trust, Ser 2021-A, Cl A2
0.820%, 03/20/2024 (B)		197		198
CWABS Revolving Home Equity Loan Trust, Ser 2004-I, Cl A
0.380%, VAR ICE LIBOR USD 1 Month + 0.290%, 02/15/2034		824		821
CWHEQ Revolving Home Equity Loan Resecuritization Trust, Ser 2006-RES, Cl 4L1A
0.370%, VAR ICE LIBOR USD 1 Month + 0.280%, 02/15/2034 (B)		180		179
Denali Capital CLO XI, Ser 2018-1A, Cl A2RR
1.782%, VAR ICE LIBOR USD 3 Month + 1.650%, 10/20/2028 (B)		1,000		1,000
Dewolf Park CLO, Ser 2021-1A, Cl AR
1.044%, VAR ICE LIBOR USD 3 Month + 0.920%, 10/15/2030 (B)		425		425

76

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Dext ABS LLC, Ser 2021-1, Cl A
1.120%, 02/15/2028 (B)	$	150	$	150
DLLAD LLC, Ser 2021-1A, Cl A2
0.350%, 09/20/2024 (B)		270		269
ECMC Group Student Loan Trust, Ser 2020-3A, Cl A1B
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 01/27/2070 (B)		909		920
Elara HGV Timeshare Issuer LLC, Ser 2017-A, Cl A
2.690%, 03/25/2030 (B)		541		549
Elara HGV Timeshare Issuer LLC, Ser 2019-A, Cl A
2.610%, 01/25/2034 (B)		1,433		1,445
Elevation CLO, Ser 2017-2A, Cl A1R
1.354%, VAR ICE LIBOR USD 3 Month + 1.230%, 10/15/2029 (B)		1,000		1,002
FCI Funding LLC, Ser 2021-1A, Cl A
1.130%, 04/15/2033 (B)		114		114
FREED ABS Trust, Ser 2021-3FP, Cl A
0.620%, 11/20/2028 (B)		98		98
Gallatin CLO IX, Ser 2018-1A, Cl D1
3.230%, VAR ICE LIBOR USD 3 Month + 3.100%, 01/21/2028 (B)		700		701
Gallatin CLO VIII, Ser 2017-1A, Cl B
1.774%, VAR ICE LIBOR USD 3 Month + 1.650%, 07/15/2027 (B)		1,500		1,500
Goldentree Loan Management US CLO 2, Ser 2021-2A, Cl AR
1.000%, 11/20/2030 (A)(B)		275		275
GreatAmerica Leasing Receivables Funding LLC, Ser 2020-1, Cl A2
1.760%, 06/15/2022 (B)		16		16
GreatAmerica Leasing Receivables Funding LLC, Ser 2021-2, Cl A2
0.380%, 03/15/2024 (B)		285		284
GSAMP Trust, Ser 2005-SEA2, Cl B1
1.967%, VAR ICE LIBOR USD 1 Month + 1.875%, 01/25/2045 (B)		826		827
HPEFS Equipment Trust, Ser 2021-2A, Cl B
0.610%, 09/20/2028 (B)		155		154
Invitation Homes Trust, Ser 2018-SFR1, Cl A
0.791%, VAR ICE LIBOR USD 1 Month + 0.700%, 03/17/2037 (B)		1,705		1,705
Invitation Homes Trust, Ser 2018-SFR1, Cl B
1.041%, VAR ICE LIBOR USD 1 Month + 0.950%, 03/17/2037 (B)		1,500		1,500
Invitation Homes Trust, Ser 2018-SFR1, Cl C
1.341%, VAR ICE LIBOR USD 1 Month + 1.250%, 03/17/2037 (B)		2,200		2,200
Invitation Homes Trust, Ser 2018-SFR3, Cl A
1.091%, VAR ICE LIBOR USD 1 Month + 1.000%, 07/17/2037 (B)		737		738

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Invitation Homes Trust, Ser 2018-SFR3, Cl C
1.391%, VAR ICE LIBOR USD 1 Month + 1.300%, 07/17/2037 (B)	$	500	$	501
Invitation Homes Trust, Ser 2018-SFR4, Cl C
1.491%, VAR ICE LIBOR USD 1 Month + 1.400%, 01/17/2038 (B)		2,000		2,001
Kentucky Higher Education Student Loan, Ser 2020-1, Cl A1B
1.142%, VAR ICE LIBOR USD 1 Month + 1.050%, 11/25/2050		1,820		1,834
Kentucky Higher Education Student Loan, Ser 2021-1, Cl A1B
0.872%, VAR ICE LIBOR USD 1 Month + 0.780%, 03/25/2051		3,443		3,440
Keycorp Student Loan Trust, Ser 2000-B, Cl A2
0.434%, VAR ICE LIBOR USD 3 Month + 0.310%, 07/25/2029		702		701
KKR CLO 12, Ser 2018-12, Cl AR2A
1.259%, VAR ICE LIBOR USD 3 Month + 1.135%, 10/15/2030 (B)		500		500
KKR CLO 21, Ser 2018-21, Cl A
1.124%, VAR ICE LIBOR USD 3 Month + 1.000%, 04/15/2031 (B)		580		580
Kubota Credit Owner Trust, Ser 2020-2A, Cl A2
0.410%, 06/15/2023 (B)		68		68
LCM XXIV, Ser 2021-24A, Cl AR
1.112%, VAR ICE LIBOR USD 3 Month + 0.980%, 03/20/2030 (B)		280		280
Long Beach Mortgage Loan Trust, Ser 2004-1, Cl M2
0.917%, VAR ICE LIBOR USD 1 Month + 0.825%, 02/25/2034		338		338
Madison Park Funding XVII, Ser 2021-17A, Cl AR2
1.130%, VAR ICE LIBOR USD 3 Month + 1.000%, 07/21/2030 (B)		250		250
Madison Park Funding XXX, Ser 2018-30A, Cl A
0.874%, VAR ICE LIBOR USD 3 Month + 0.750%, 04/15/2029 (B)		995		995
Magnetite VIII, Ser 2018-8A, Cl AR2
1.104%, VAR ICE LIBOR USD 3 Month + 0.980%, 04/15/2031 (B)		780		780
Magnetite XVIII, Ser 2018-18A, Cl BR
1.656%, VAR ICE LIBOR USD 3 Month + 1.500%, 11/15/2028 (B)		1,000		1,002
Marathon CLO XI, Ser 2018-11A, Cl C
2.882%, VAR ICE LIBOR USD 3 Month + 2.750%, 04/20/2031 (B)		500		452
Marlette Funding Trust, Ser 2021-1A, Cl A
0.600%, 06/16/2031 (B)		59		59

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

77

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Marlette Funding Trust, Ser 2021-2A, Cl A
0.510%, 09/15/2031 (B)	$	95	$	95
Marlette Funding Trust, Ser 2021-3A, Cl A
0.650%, 12/15/2031 (B)		195		195
MetLife Securitization Trust, Ser 2017-1A, Cl A
3.000%, 04/25/2055 (A)(B)		172		176
Mill City Mortgage Loan Trust, Ser 2017-3, Cl A1
2.750%, 01/25/2061 (A)(B)		202		205
Missouri Higher Education Loan Authority, Ser 2021-1, Cl A1B
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 01/25/2061		941		943
Missouri Higher Education Loan Authority, Ser 2021-2, Cl A1B
0.789%, VAR ICE LIBOR USD 1 Month + 0.700%, 03/25/2061		3,389		3,399
MMAF Equipment Finance LLC, Ser 2018-A, Cl A4
3.390%, 01/10/2025 (B)		1,500		1,522
MMAF Equipment Finance LLC, Ser 2019-B, Cl A2
2.070%, 10/12/2022 (B)		7		7
Mountain View CLO LLC, Ser 2020-1A, Cl AR
1.212%, VAR ICE LIBOR USD 3 Month + 1.090%, 10/16/2029 (B)		1,100		1,100
Navient Private Education Loan Trust, Ser 2020-IA, Cl A1B
1.090%, VAR ICE LIBOR USD 1 Month + 1.000%, 04/15/2069 (B)		1,416		1,424
Navient Private Education Refi Loan Trust, Ser 2019-D, Cl A2B
1.140%, VAR ICE LIBOR USD 1 Month + 1.050%, 12/15/2059 (B)		3,301		3,327
Navient Private Education Refi Loan Trust, Ser 2020-HA, Cl A
1.310%, 01/15/2069 (B)		1,168		1,164
Navient Student Loan Trust, Ser 2021-1A, Cl A1B
0.692%, VAR ICE LIBOR USD 1 Month + 0.600%, 12/26/2069 (B)		1,390		1,391
Navient Student Loan Trust, Ser 2021-2A, Cl A1B
0.642%, VAR ICE LIBOR USD 1 Month + 0.550%, 02/25/2070 (B)		1,915		1,914
Neuberger Berman Loan Advisers CLO 25, Ser 2021-25A, Cl AR
1.052%, VAR ICE LIBOR USD 3 Month + 0.930%, 10/18/2029 (B)		590		591

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Neuberger Berman Loan Advisers CLO 26, Ser 2021-26A, Cl AR
1.065%, VAR ICE LIBOR USD 3 Month + 0.920%, 10/18/2030 (B)	$	400	$	400
New Hampshire Higher Education Loan, Ser 2020-1, Cl A1B
1.289%, VAR ICE LIBOR USD 1 Month + 1.200%, 09/25/2060		1,030		1,062
New Residential Mortgage LLC, Ser 2018-FNT1, Cl B
3.910%, 05/25/2023 (B)		584		582
New Residential Mortgage LLC, Ser 2018-FNT2, Cl A
3.790%, 07/25/2054 (B)		843		844
OCP CLO, Ser 2017-10A, Cl BR
1.975%, VAR ICE LIBOR USD 3 Month + 1.850%, 10/26/2027 (B)		2,000		1,999
Oxford Finance Funding LLC, Ser 2020-1A, Cl A2
3.101%, 02/15/2028 (B)		1,500		1,518
OZLM XII, Ser 2018-12A, Cl A1R
1.182%, VAR ICE LIBOR USD 3 Month + 1.050%, 04/30/2027 (B)		94		94
Palmer Square Loan Funding, Ser 2018-4A, Cl A1
1.056%, VAR ICE LIBOR USD 3 Month + 0.900%, 11/15/2026 (B)		377		377
Palmer Square Loan Funding, Ser 2019-3A, Cl A2
1.760%, VAR ICE LIBOR USD 3 Month + 1.600%, 08/20/2027 (B)		1,000		1,001
Palmer Square Loan Funding, Ser 2021-3A, Cl A1
0.971%, VAR ICE LIBOR USD 3 Month + 0.800%, 07/20/2029 (B)		240		240
Palmer Square Loan Funding, Ser 2021-4A, Cl A1
0.928%, 10/15/2029 (A)(B)		600		600
PFS Financing, Ser 2020-B, Cl A
1.210%, 06/15/2024 (B)		190		191
Prodigy Finance DAC, Ser 2021-1A, Cl A
1.342%, VAR ICE LIBOR USD 1 Month + 1.250%, 07/25/2051 (B)		2,005		2,005
SACO I Trust, Ser 2006-6, Cl A
0.352%, VAR ICE LIBOR USD 1 Month + 0.260%, 06/25/2036		5		5
SCF Equipment Leasing LLC, Ser 2021-1A, Cl A2
0.420%, 08/20/2026 (B)		436		435
Silver Creek CLO, Ser 2017-1A, Cl E2R
6.532%, VAR ICE LIBOR USD 3 Month + 6.400%, 07/20/2030 (B)		500		496

78

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
SMB Private Education Loan Trust, Ser 2019-B, Cl A2B
1.090%, VAR ICE LIBOR USD 1 Month + 1.000%, 06/15/2037 (B)	$	1,142	$	1,153
SMB Private Education Loan Trust, Ser 2020-PTA, Cl A2B
0.942%, VAR ICE LIBOR USD 1 Month + 0.850%, 09/15/2054 (B)		2,300		2,325
SMB Private Education Loan Trust, Ser 2020-PTB, Cl A2B
0.942%, VAR ICE LIBOR USD 1 Month + 0.850%, 09/15/2054 (B)		3,107		3,113
SMB Private Education Loan Trust, Ser 2021-A, Cl A2A2
0.820%, VAR ICE LIBOR USD 1 Month + 0.730%, 01/15/2053 (B)		2,500		2,508
SoFi Consumer Loan Program Trust, Ser 2019-4, Cl A
2.450%, 08/25/2028 (B)		17		17
SoFi Consumer Loan Program Trust, Ser 2020-1, Cl A
2.020%, 01/25/2029 (B)		39		39
SoFi Consumer Loan Program Trust, Ser 2021-1, Cl A
0.490%, 09/25/2030 (B)		96		95
STAR Trust, Ser 2021-SFR1, Cl C
1.142%, VAR ICE LIBOR USD 1 Month + 1.050%, 04/17/2038 (B)		1,000		1,000
STAR Trust, Ser 2021-SFR1, Cl D
1.392%, VAR ICE LIBOR USD 1 Month + 1.300%, 04/17/2038 (B)		1,000		1,000
Structured Asset Investment Loan Trust, Ser 2003-BC12, Cl 2A
0.812%, VAR ICE LIBOR USD 1 Month + 0.720%, 11/25/2033		2,082		2,048
Structured Asset Investment Loan Trust, Ser 2004-8, Cl A8
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 09/25/2034		2,767		2,787
Structured Asset Investment Loan Trust, Ser 2004-BNC1, Cl A4
1.032%, VAR ICE LIBOR USD 1 Month + 0.940%, 09/25/2034		823		821
Symphony Static CLO I, Ser 2021-1A, Cl A
0.959%, VAR ICE LIBOR USD 3 Month + 0.830%, 10/25/2029 (B)		390		390
Symphony Static CLO I, Ser 2021-1A, Cl D
2.879%, VAR ICE LIBOR USD 3 Month + 2.750%, 10/25/2029 (B)		500		499
TAL Advantage VII LLC, Ser 2020-1A, Cl A
2.050%, 09/20/2045 (B)		878		873

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
TCI-Flatiron CLO, Ser 2017-1A, Cl B
1.718%, VAR ICE LIBOR USD 3 Month + 1.560%, 11/18/2030 (B)	$	500	$	500
Telos CLO, Ser 2018-5A, Cl A1R
1.072%, VAR ICE LIBOR USD 3 Month + 0.950%, 04/17/2028 (B)		164		164
Towd Point Mortgage Trust, Ser 2016-3, Cl A1
2.250%, 04/25/2056 (A)(B)		16		16
Towd Point Mortgage Trust, Ser 2016-4, Cl A1
2.250%, 07/25/2056 (A)(B)		82		82
Towd Point Mortgage Trust, Ser 2017-1, Cl A1
2.750%, 10/25/2056 (A)(B)		196		198
Towd Point Mortgage Trust, Ser 2017-2, Cl A1
2.750%, 04/25/2057 (A)(B)		172		174
Towd Point Mortgage Trust, Ser 2017-4, Cl A1
2.750%, 06/25/2057 (A)(B)		1,079		1,099
Towd Point Mortgage Trust, Ser 2017-5, Cl A1
0.692%, VAR ICE LIBOR USD 1 Month + 0.600%, 02/25/2057 (B)		1,077		1,076
Towd Point Mortgage Trust, Ser 2017-6, Cl A1
2.750%, 10/25/2057 (A)(B)		242		246
Towd Point Mortgage Trust, Ser 2018-3, Cl A1
3.750%, 05/25/2058 (A)(B)		971		1,002
Towd Point Mortgage Trust, Ser 2019-HY1, Cl A1
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 10/25/2048 (B)		729		731
Towd Point Mortgage Trust, Ser 2019-HY2, Cl M2
1.992%, VAR ICE LIBOR USD 1 Month + 1.900%, 05/25/2058 (B)		3,000		3,094
Treman Park CLO, Ser 2018-1A, Cl ARR
1.202%, VAR ICE LIBOR USD 3 Month + 1.070%, 10/20/2028 (B)		322		322
Tryon Park CLO, Ser 2018-1A, Cl A1SR
1.014%, VAR ICE LIBOR USD 3 Month + 0.890%, 04/15/2029 (B)		4,801		4,800
Upstart Securitization Trust, Ser 2020-3, Cl A
1.702%, 11/20/2030 (B)		198		198
Upstart Securitization Trust, Ser 2021-2, Cl A
0.910%, 06/20/2031 (B)		297		297

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

79

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Upstart Securitization Trust, Ser 2021-4, Cl A
0.840%, 09/20/2031 (B)	$	388	$	385
Venture XX CLO, Ser 2017-20A, Cl CR
2.024%, VAR ICE LIBOR USD 3 Month + 1.900%, 04/15/2027 (B)		750		750
VERDE CLO, Ser 2021-1A, Cl XR
0.874%, VAR ICE LIBOR USD 3 Month + 0.750%, 04/15/2032 (B)		488		487
Verizon Owner Trust, Ser 2020-B, Cl A
0.470%, 02/20/2025		225		225
Vibrant CLO VI, Ser 2021-6A, Cl AR
1.072%, VAR ICE LIBOR USD 3 Month + 0.950%, 06/20/2029 (B)		325		325
Volvo Financial Equipment LLC, Ser 2020-1A, Cl A2
0.370%, 04/17/2023 (B)		59		59
Voya CLO, Ser 2018-2A, Cl A1R
1.094%, VAR ICE LIBOR USD 3 Month + 0.970%, 04/25/2031 (B)		500		501
Voya CLO, Ser 2018-3A, Cl A2R
1.522%, VAR ICE LIBOR USD 3 Month + 1.400%, 10/18/2031 (B)		818		819
Voya CLO, Ser 2020-1A, Cl AR
1.184%, VAR ICE LIBOR USD 3 Month + 1.060%, 04/15/2031 (B)		400		400
Voya CLO, Ser 2020-2A, Cl A1RR
1.142%, VAR ICE LIBOR USD 3 Month + 1.020%, 04/17/2030 (B)		298		298
VSE VOI Mortgage LLC, Ser 2016-A, Cl A
2.540%, 07/20/2033 (B)		1,020		1,019
VSE VOI Mortgage LLC, Ser 2016-A, Cl B
2.740%, 07/20/2033 (B)		460		460
VSE VOI Mortgage LLC, Ser 2017-A, Cl A
2.330%, 03/20/2035 (B)		729		739
Westgate Resorts LLC, Ser 2020-1A, Cl A
2.713%, 03/20/2034 (B)		1,238		1,255
				132,144
Total Asset-Backed Securities
(Cost $170,186) ($ Thousands)				170,351
CORPORATE OBLIGATIONS — 9.3%
Communication Services — 0.4%
Altice France
5.500%, 10/15/2029 (B)		735		709
AT&T
9.150%, 02/01/2023		325		356
0.689%, VAR United States Secured Overnight Financing Rate + 0.640%, 03/25/2024		475		475

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Diamond Sports Group LLC
5.375%, 08/15/2026 (B)	$	427	$	189
Gray Escrow II
5.375%, 11/15/2031 (B)		415		416
NTT Finance
0.373%, 03/03/2023 (B)		250		249
Verizon Communications
0.839%, VAR SOFRINDX + 0.790%, 03/20/2026		350		355
0.549%, VAR SOFRINDX + 0.500%, 03/22/2024		350		351
				3,100
Consumer Discretionary — 1.6%
7-Eleven
0.625%, 02/10/2023 (B)		225		224
Ashton Woods USA LLC
4.625%, 04/01/2030 (B)		165		161
BCPE Ulysses Intermediate
7.750% cash/8.500% PIK, 04/01/2027 (B)		1,684		1,627
Dana
4.500%, 02/15/2032		535		522
Ford Motor Credit LLC
1.402%, VAR ICE LIBOR USD 3 Month + 1.270%, 03/28/2022		500		499
General Motors Financial
4.250%, 05/15/2023		300		314
0.810%, VAR United States Secured Overnight Financing Rate + 0.760%, 03/08/2024		400		401
0.669%, VAR United States Secured Overnight Financing Rate + 0.620%, 10/15/2024		600		600
Howard University
2.801%, 10/01/2023		240		246
Hyatt Hotels
1.300%, 10/01/2023		115		115
1.099%, VAR United States Secured Overnight Financing Rate + 1.050%, 10/01/2023		425		426
Hyundai Capital America MTN
0.800%, 04/03/2023 (B)		360		359
LBM Acquisition LLC
6.250%, 01/15/2029 (B)		1,304		1,248
LCM Investments Holdings II LLC
4.875%, 05/01/2029 (B)		373		372
Lennar
4.750%, 11/15/2022		400		411
Mohegan Gaming & Entertainment
8.000%, 02/01/2026 (B)		845		856

80

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Nissan Motor Acceptance LLC MTN
1.012%, VAR ICE LIBOR USD 3 Month + 0.890%, 01/13/2022 (B)	$	800	$	800
Nordstrom
2.300%, 04/08/2024		160		158
Specialty Building Products Holdings LLC
6.375%, 09/30/2026 (B)		1,144		1,186
SRS Distribution
6.000%, 12/01/2029 (B)		712		704
Toyota Motor Credit MTN
0.379%, VAR SOFRINDX + 0.330%, 01/11/2024		300		300
Volkswagen Group of America Finance LLC
2.700%, 09/26/2022 (B)		725		737
				12,266
Consumer Staples — 0.7%
Campbell Soup
2.500%, 08/02/2022		400		405
Coca-Cola Europacific Partners
0.500%, 05/05/2023 (B)		725		721
Conagra Brands
3.250%, 09/15/2022		349		356
0.500%, 08/11/2023		225		224
GEMS MENASA Cayman
7.125%, 07/31/2026 (B)		587		602
Global Medical Response
6.500%, 10/01/2025 (B)		508		508
JDE Peet's
0.800%, 09/24/2024 (B)		375		368
Mozart Debt Merger Sub
5.250%, 10/01/2029 (B)		1,380		1,378
3.875%, 04/01/2029 (B)		490		484
WASH Multifamily Acquisition
5.750%, 04/15/2026 (B)		695		716
				5,762
Energy — 0.0%
Pioneer Natural Resources
0.550%, 05/15/2023		175		174
Southern Natural Gas LLC
0.625%, 04/28/2023 (B)		205		204
				378
Financials — 3.4%
AIG Global Funding
2.300%, 07/01/2022 (B)		575		581
American Express
2.500%, 08/01/2022		475		481
AmWINS Group
4.875%, 06/30/2029 (B)		115		113

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Athene Global Funding
3.000%, 07/01/2022 (B)	$	600	$	608
0.750%, VAR United States Secured Overnight Financing Rate + 0.700%, 05/24/2024 (B)		450		451
Bank of America
0.740%, VAR United States Secured Overnight Financing Rate + 0.690%, 04/22/2025		475		478
Bank of Montreal
0.400%, VAR SOFRINDX + 0.350%, 12/08/2023		350		350
Bank of Montreal MTN
0.669%, VAR SOFRINDX + 0.620%, 09/15/2026		475		476
Bank of New York Mellon MTN
0.310%, VAR United States Secured Overnight Financing Rate + 0.260%, 04/26/2024		225		225
Bank of Nova Scotia
0.430%, VAR United States Secured Overnight Financing Rate + 0.380%, 07/31/2024		700		700
0.309%, VAR United States Secured Overnight Financing Rate + 0.260%, 09/15/2023		300		300
BPCE MTN
3.000%, 05/22/2022 (B)		450		456
Brighthouse Financial Global Funding MTN
0.809%, VAR United States Secured Overnight Financing Rate + 0.760%, 04/12/2024 (B)		315		317
Brookfield Property REIT
4.500%, 04/01/2027 (B)		886		842
Canadian Imperial Bank of Commerce
0.849%, VAR United States Secured Overnight Financing Rate + 0.800%, 03/17/2023		300		302
0.449%, VAR SOFRINDX + 0.400%, 12/14/2023		425		426
Capital One Bank USA
2.014%, VAR United States Secured Overnight Financing Rate + 0.616%, 01/27/2023		300		301
Charles Schwab
0.549%, VAR United States Secured Overnight Financing Rate + 0.500%, 03/18/2024		300		301
Citigroup
2.750%, 04/25/2022		600		604
0.719%, VAR United States Secured Overnight Financing Rate + 0.669%, 05/01/2025		300		302

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

81

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Citizens Bank
3.250%, 02/14/2022	$	1,000	$	1,003
CNA Financial
7.250%, 11/15/2023		100		112
Coinbase Global
3.625%, 10/01/2031 (B)		733		680
Commonwealth Bank of Australia
0.569%, VAR United States Secured Overnight Financing Rate + 0.520%, 06/15/2026 (B)		300		301
0.449%, VAR United States Secured Overnight Financing Rate + 0.400%, 07/07/2025 (B)		300		301
Cooperatieve Rabobank UA
0.349%, VAR United States Secured Overnight Financing Rate + 0.300%, 01/12/2024		250		250
Credit Suisse NY
0.520%, 08/09/2023		475		473
0.440%, VAR United States Secured Overnight Financing Rate + 0.390%, 02/02/2024		375		374
Danske Bank
5.000%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.730%, 01/12/2023 (B)		450		452
Deutsche Bank NY
1.269%, VAR United States Secured Overnight Financing Rate + 1.219%, 11/16/2027		325		324
0.550%, VAR United States Secured Overnight Financing Rate + 0.500%, 11/08/2023		400		400
Equitable Financial Life Global Funding
0.439%, VAR United States Secured Overnight Financing Rate + 0.390%, 04/06/2023 (B)		400		401
Goldman Sachs Group
0.549%, VAR United States Secured Overnight Financing Rate + 0.500%, 09/10/2024		150		150
0.480%, VAR United States Secured Overnight Financing Rate + 0.430%, 03/08/2023		275		275
HSBC Holdings
0.630%, VAR United States Secured Overnight Financing Rate + 0.580%, 11/22/2024		275		275
Jackson Financial
1.125%, 11/22/2023 (B)		275		275

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
JPMorgan Chase
0.935%, VAR United States Secured Overnight Financing Rate + 0.885%, 04/22/2027	$	475	$	481
0.629%, VAR United States Secured Overnight Financing Rate + 0.580%, 03/16/2024		350		351
0.629%, VAR United States Secured Overnight Financing Rate + 0.580%, 06/23/2025		200		200
KeyBank
0.390%, VAR United States Secured Overnight Financing Rate + 0.340%, 01/03/2024		475		475
0.370%, VAR United States Secured Overnight Financing Rate + 0.320%, 06/14/2024		250		250
Macquarie Bank MTN
0.441%, 12/16/2022 (B)		200		200
Macquarie Group MTN
0.759%, VAR United States Secured Overnight Financing Rate + 0.710%, 10/14/2025 (B)		300		300
Midcap Financial Issuer Trust
5.625%, 01/15/2030 (B)		350		331
Mizuho Financial Group
0.810%, VAR ICE LIBOR USD 3 Month + 0.630%, 05/25/2024		525		526
Morgan Stanley
0.731%, VAR United States Secured Overnight Financing Rate + 0.616%, 04/05/2024		175		174
Morgan Stanley MTN
4.875%, 11/01/2022		400		415
2.750%, 05/19/2022		600		606
NASDAQ
0.445%, 12/21/2022		155		155
National Bank of Canada
0.900%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.770%, 08/15/2023		250		250
0.750%, 08/06/2024		350		346
0.540%, VAR United States Secured Overnight Financing Rate + 0.490%, 08/06/2024		350		351
Nationwide Building Society
2.000%, 01/27/2023 (B)		200		203
NatWest Markets
0.580%, VAR United States Secured Overnight Financing Rate + 0.530%, 08/12/2024 (B)		340		340
NFP
4.875%, 08/15/2028 (B)		489		482

82

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Pacific Life Global Funding II
0.500%, 09/23/2023 (B)	$	185	$	184
Principal Life Global Funding II
0.499%, VAR United States Secured Overnight Financing Rate + 0.450%, 04/12/2024 (B)		130		131
Royal Bank of Canada MTN
0.500%, VAR SOFRINDX + 0.450%, 10/26/2023		225		226
0.349%, VAR United States Secured Overnight Financing Rate + 0.300%, 01/19/2024		300		300
Skandinaviska Enskilda Banken
0.550%, 09/01/2023 (B)		200		199
Sumitomo Mitsui Trust Bank MTN
0.489%, VAR United States Secured Overnight Financing Rate + 0.440%, 09/16/2024 (B)		350		350
Toronto-Dominion Bank MTN
0.639%, VAR United States Secured Overnight Financing Rate + 0.590%, 09/10/2026		300		301
0.405%, VAR United States Secured Overnight Financing Rate + 0.355%, 03/04/2024		225		225
0.399%, VAR United States Secured Overnight Financing Rate + 0.350%, 09/10/2024		350		350
Truist Financial MTN
0.449%, VAR United States Secured Overnight Financing Rate + 0.400%, 06/09/2025		250		249
UBS
0.500%, VAR United States Secured Overnight Financing Rate + 0.450%, 08/09/2024 (B)		400		401
UBS MTN
0.410%, VAR United States Secured Overnight Financing Rate + 0.360%, 02/09/2024 (B)		250		251
UBS AG/London
0.700%, 08/09/2024 (B)		300		297
UniCredit MTN
6.572%, 01/14/2022 (B)		350		352
Zions Bancorp
3.350%, 03/04/2022		2,000		2,009
				26,921
Health Care — 0.5%
AmerisourceBergen
0.737%, 03/15/2023		340		340
AstraZeneca
0.300%, 05/26/2023		225		224

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Baxalta
3.600%, 06/23/2022	$	675	$	683
Baxter International
0.490%, VAR United States Secured Overnight Financing Rate + 0.440%, 11/29/2024 (B)		275		275
Bristol-Myers Squibb
0.537%, 11/13/2023		250		249
Humana
0.650%, 08/03/2023		315		313
Illumina
0.550%, 03/23/2023		225		224
PerkinElmer
0.550%, 09/15/2023		425		422
Royalty Pharma PLC
0.750%, 09/02/2023		450		448
Stryker
0.600%, 12/01/2023		160		159
Thermo Fisher Scientific
0.579%, VAR United States Secured Overnight Financing Rate + 0.530%, 10/18/2024		235		235
Viatris
1.125%, 06/22/2022		250		250
				3,822
Industrials — 0.5%
Artera Services LLC
9.033%, 12/04/2025 (B)		700		703
Boeing
2.700%, 05/01/2022		300		302
1.167%, 02/04/2023		325		325
Carlisle
0.550%, 09/01/2023		105		104
CP Atlas Buyer
7.000%, 12/01/2028 (B)		710		682
DAE Funding LLC MTN
1.550%, 08/01/2024 (B)		205		201
First Student Bidco
4.000%, 07/31/2029 (B)		340		323
L3Harris Technologies
0.866%, VAR ICE LIBOR USD 3 Month + 0.750%, 03/10/2023		350		352
Madison IAQ LLC
4.125%, 06/30/2028 (B)		189		183
Roper Technologies
0.450%, 08/15/2022		90		90
TK Elevator Holdco GmbH
7.625%, 07/15/2028 (B)		460		480
				3,745

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

83

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Information Technology — 0.5%
Ahead DB Holdings LLC
6.625%, 05/01/2028 (B)	$	288	$	288
Analog Devices
0.299%, VAR United States Secured Overnight Financing Rate + 0.250%, 10/01/2024		220		220
Diebold Nixdorf
9.375%, 07/15/2025 (B)		1,083		1,150
Fidelity National Information Services
0.375%, 03/01/2023		275		274
Microchip Technology
0.972%, 02/15/2024 (B)		205		203
Paysafe Finance
4.000%, 06/15/2029 (B)		720		664
Skyworks Solutions
0.900%, 06/01/2023		80		80
SYNNEX
1.250%, 08/09/2024 (B)		475		471
VMware
0.600%, 08/15/2023		275		273
				3,623
Materials — 0.6%
Chemours
4.625%, 11/15/2029 (B)		640		618
EverArc Escrow Sarl
5.000%, 10/30/2029 (B)		542		528
International Flavors & Fragrances
0.697%, 09/15/2022 (B)		105		105
Kobe US Midco 2
9.250% cash/0% PIK, 11/01/2026 (B)		1,020		1,015
Martin Marietta Materials
0.650%, 07/15/2023		140		140
SCIH Salt Holdings
6.625%, 05/01/2029 (B)		658		607
4.875%, 05/01/2028 (B)		565		535
Unifrax Escrow Issuer
7.500%, 09/30/2029 (B)		282		273
5.250%, 09/30/2028 (B)		82		81
Venator Finance Sarl
9.500%, 07/01/2025 (B)		324		354
5.750%, 07/15/2025 (B)		536		496
				4,752
Real Estate — 0.0%
Public Storage
0.520%, VAR United States Secured Overnight Financing Rate + 0.470%, 04/23/2024		225		225

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Utilities — 1.1%
Atmos Energy
0.625%, 03/09/2023	$	300	$	299
Calpine
3.750%, 03/01/2031 (B)		730		695
CenterPoint Energy
0.700%, VAR United States Secured Overnight Financing Rate + 0.650%, 05/13/2024		225		225
CenterPoint Energy Resources
0.673%, VAR ICE LIBOR USD 3 Month + 0.500%, 03/02/2023		500		499
Cleco Power LLC
0.616%, VAR ICE LIBOR USD 3 Month + 0.500%, 06/15/2023 (B)		475		475
Dominion Energy
2.450%, 01/15/2023 (B)		250		255
0.646%, VAR ICE LIBOR USD 3 Month + 0.530%, 09/15/2023		275		275
DTE Energy
0.550%, 11/01/2022		275		275
Duke Energy
0.299%, VAR United States Secured Overnight Financing Rate + 0.250%, 06/10/2023		250		250
Duke Energy Progress LLC
0.340%, VAR ICE LIBOR USD 3 Month + 0.180%, 02/18/2022		450		450
Edison International
3.125%, 11/15/2022		2,000		2,033
Florida Power & Light
0.300%, VAR United States Secured Overnight Financing Rate + 0.250%, 05/10/2023		350		350
Mississippi Power
0.349%, VAR United States Secured Overnight Financing Rate + 0.300%, 06/28/2024		195		194
NextEra Energy Capital Holdings
0.590%, VAR SOFRINDX + 0.540%, 03/01/2023		260		261
0.430%, VAR ICE LIBOR USD 3 Month + 0.270%, 02/22/2023		400		399
ONE Gas
0.724%, VAR ICE LIBOR USD 3 Month + 0.610%, 03/11/2023		198		198
Pacific Gas and Electric
1.700%, 11/15/2023		125		125
1.200%, VAR United States Secured Overnight Financing Rate + 1.150%, 11/14/2022		340		340

84

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
PPL Electric Utilities
0.379%, VAR United States Secured Overnight Financing Rate + 0.330%, 06/24/2024	$	425	$	425
Public Service Enterprise Group
0.841%, 11/08/2023		255		254
Southern California Edison
0.389%, VAR ICE LIBOR USD 3 Month + 0.270%, 12/03/2021		340		340
				8,617
Total Corporate Obligations
(Cost $73,959) ($ Thousands)				73,211
MUNICIPAL BONDS — 0.2%
California — 0.1%
California State, GO
0.874%, 04/01/2047 (F)		925		925
University of California, Ser BF, RB
0.455%, 05/15/2022		30		30
				955
Illinois — 0.0%
Chicago, Transit Authority, Ser B, RB
1.838%, 12/01/2023		110		112
Texas — 0.1%
Central Texas, Turnpike System, Ser B, RB
1.980%, 08/15/2042 (F)		190		192
Houston, Texas Airport System Revenue, Ser C, RB
0.883%, 07/01/2022		45		45
				237
Total Municipal Bonds
(Cost $1,300) ($ Thousands)				1,304
U.S. TREASURY OBLIGATION — 0.1%
U.S. Treasury Bills
0.241%, 12/01/2022 (G)		1,125		1,122
Total U.S. Treasury Obligation
(Cost $1,122) ($ Thousands)				1,122

Description	Face Amount (Thousands)		Market Value ($ Thousands)
COMMERCIAL PAPER — 0.1%
HSBC
0.251%, 06/10/2022 (G)	$	600	$	599
Total Commercial Paper
(Cost $599) ($ Thousands)				599
U.S. GOVERNMENT AGENCY OBLIGATION — 0.1%
FFCB
0.530%, 01/18/2022		500		500
Total U.S. Government Agency Obligation
(Cost $500) ($ Thousands)				500
	Shares
CASH EQUIVALENT — 3.7%
SEI Daily Income Trust, Government Fund, Cl F
0.010%**†		29,418,752		29,419
Total Cash Equivalent
(Cost $29,419) ($ Thousands)				29,419
	Face Amount (Thousands)
REPURCHASE AGREEMENT — 0.4%
BNP Paribas
0.050%, dated 11/30/2021 to be repurchased on 12/01/2021, repurchase price $2,800,004 (collateralized by U.S. Government obligations, ranging in par value $200 - $4,732,123, 0.000% - 4.000%, 12/30/2021 – 02/15/2051; with total market value $2,856,082) (H)		2,800		2,800
Total Repurchase Agreement
(Cost $2,800) ($ Thousands)				2,800
Total Investments in Securities — 101.4%
(Cost $796,590) ($ Thousands)			$	794,974

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

85

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Opportunistic Income Fund (Concluded)

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts			Expiration Date		Notional Amount (Thousands)			Value (Thousands)			Unrealized Depreciation (Thousands)
Short Contracts
U.S. 2-Year Treasury Notes		(26	)		Apr-2022	$	(5,675	)	$	(5,687	)	$	(12	)
U.S. 5-Year Treasury Notes		(5	)		Apr-2022		(603	)		(608	)		(5	)
U.S. 10-Year Treasury Notes		(13	)		Mar-2022		(1,676	)		(1,700	)		(24	)
U.S. Long Treasury Bond		(1	)		Mar-2022		(158	)		(162	)		(4	)
						$	(8,112	)	$	(8,157	)	$	(45	)

	Percentages are based on Net Assets of $783,945 ($ Thousands).
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
(A)	Variable or floating rate security, the interest rate of which adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets.
(B)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration normally to qualified institutions. On November 30, 2021, the value of these securities amounted to $366,104 ($ Thousands), representing 46.7% of the Net Assets of the Fund.
(C)	No interest rate available.
(D)	Unsettled bank loan. Interest rate may not be available.
(E)	Level 3 security in accordance with fair value hierarchy.
(F)	Variable or floating rate security, the interest rate of which adjusts periodically based on prevailing interest rates.
(G)	Zero coupon security. The rate shown on the Schedule of Investments is the security's effective yield at the time of purchase.
(H)	Tri-Party Repurchase Agreement.

ARM — Adjustable Rate Mortgage

Cl — Class

CLO — Collateralized Loan Obligation

CMO — Collateralized Mortgage Obligation

DAC — Designated Activity Company

FFCB — Federal Farm Credit Bank

FHLMC — Federal Home Loan Mortgage Corporation

FNMA — Federal National Mortgage Association

FREMF— Freddie Mac Multi-Family

GNMA — Government National Mortgage Association

GO — General Obligation

ICE— Intercontinental Exchange

IO — Interest Only — face amount represents notional amount.

LIBOR— London Interbank Offered Rate

LLC — Limited Liability Company

LLLP — Limited Liability Limited Partnership

LP — Limited Partnership

Ltd — Limited

MTN — Medium Term Note

NASDAQ — National Association of Securities Dealers and Automated Quotations

PIK — Payment-in-Kind

PLC — Public Limited Company

RB — Revenue Bond

REIT — Real Estate investment Trust

REMIC — Real Estate Mortgage Investment Conduit

Ser — Series

SOFR — Secured Overnight Financing Rate

STACR — Structured Agency Credit Risk

USD — United States Dollar

VAR — Variable Rate

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund’s investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Mortgage-Backed Securities		–		261,609		–		261,609
Loan Participations		–		235,344		18,715		254,059
Asset-Backed Securities		–		170,351		–		170,351
Corporate Obligations		–		73,211		–		73,211
Municipal Bonds		–		1,304		–		1,304
U.S. Treasury Obligation		–		1,122		–		1,122
Commercial Paper		–		599		–		599
U.S. Government Agency Obligation		–		500		–		500
Cash Equivalent		29,419		–		–		29,419
Repurchase Agreement		–		2,800		–		2,800
Total Investments in Securities		29,419		746,840		18,715		794,974

Other Financial Instruments	Level 1 ($)			Level 2 ($)		Level 3 ($)		Total ($)
Futures Contracts*
Unrealized Depreciation		(45	)		–		–		(45	)
Total Other Financial Instruments		(45	)		–		–		(45	)

* Futures contracts are valued at the unrealized depreciation on the instrument.

The following is a reconciliation of investments in which significant unobservable inputs (Level 3) were used in determining value ($ Thousands):

	Investments in Loan Participations
Balance as of June 1, 2021	$	21,084
Accrued discounts/premiums		5
Realized gain/(loss)		177
Change in unrealized appreciation/(depreciation)		(2	)
Amort Sold		–
Purchases		4,390
Sales		(10,464	)
Net transfer into Level 3		3,525
Net transfer out of Level 3		–
Ending Balance as of November 30, 2021	$	18,715
Changes in unrealized gains/(losses) included in earnings related to securities still held at reporting date	$	125

86

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

For the period ended November 30, 2021, there were transfers into Level 3. The transfers were due to changes in the availability of observable inputs used to determine fair value.

For more information on valuation inputs, see Note 2 – Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain/ (Loss)		Change in Unrealized Appreciation/​(Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	84,979	$	309,367	$	(364,927	)	$	—	$	—	$	29,419		29,418,752	$	2	$	—

Amounts designated as “—” are $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

87

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund

^† Percentages are based on total investments. Includes investments held as collateral for securities held on loan (see Note 12).

Description	Face Amount (Thousands)		Market Value ($ Thousands)
U.S. TREASURY OBLIGATIONS — 36.8%
U.S. Treasury Bills
0.075%, 09/08/2022 (A)	$	22,310	$	22,280
0.064%, 08/11/2022 (A)		5,320		5,315
0.052%, 03/03/2022 (A)		27,120		27,116
0.050%, 03/17/2022 (A)		19,480		19,477
0.047%, 01/20/2022 (A)		17,175		17,174
0.045%, 02/03/2022 (A)		13,240		13,239
0.045%, 01/27/2022 (A)		85,125		85,119
0.045%, 02/10/2022 (A)		81,570		81,562
0.041%, 12/21/2021 (A)		15,920		15,919
0.040%, 12/09/2021 (A)		68,400		68,400
0.036%, 12/14/2021 (A)		22,030		22,030
0.026%, 01/06/2022 (A)		12,515		12,514
U.S. Treasury Bonds
2.500%, 02/15/2045		4,494		5,035
2.375%, 05/15/2051		15,180		17,217
2.250%, 05/15/2041		39,769		42,329
2.250%, 08/15/2049		2,780		3,056
2.000%, 11/15/2041		36,842		37,763
2.000%, 02/15/2050		7,650		7,993
2.000%, 08/15/2051		84,821		88,824
1.875%, 02/15/2041		10,894		10,929
1.875%, 02/15/2051		29,850		30,349
1.875%, 11/15/2051		149,705		152,652
1.750%, 08/15/2041		185,510		182,119
1.625%, 11/15/2050		26,786		25,684
1.375%, 11/15/2040		47,968		44,232
1.375%, 08/15/2050		96,386		86,985
1.250%, 05/15/2050		42,840		37,467

Description	Face Amount (Thousands)		Market Value ($ Thousands)
U.S. TREASURY OBLIGATIONS (continued)
1.125%, 05/15/2040	$	29,657	$	26,304
1.125%, 08/15/2040		36,903		32,628
U.S. Treasury Inflation-Protected Securities
0.125%, 02/15/2051		5,663		6,793
U.S. Treasury Notes
2.125%, 05/15/2025		18,779		19,527
2.000%, 02/15/2022		19,293		19,371
1.875%, 02/28/2022		24,424		24,533
1.750%, 02/28/2022		840		844
1.750%, 09/30/2022		8,460		8,568
1.625%, 05/15/2031		11,040		11,254
1.500%, 11/30/2024		14,290		14,569
1.500%, 11/30/2028		173,883		175,405
1.375%, 10/31/2028		89,790		89,860
1.375%, 11/15/2031		133,515		132,701
1.250%, 11/30/2026		231,402		232,433
1.250%, 03/31/2028		13,300		13,250
1.250%, 04/30/2028		36,290		36,134
1.250%, 05/31/2028		50,950		50,705
1.250%, 06/30/2028		7,360		7,317
1.250%, 09/30/2028		33,350		33,105
1.250%, 08/15/2031		6,320		6,218
1.125%, 10/31/2026		160,896		160,670
1.125%, 08/31/2028		14,760		14,538
1.000%, 07/31/2028		14,440		14,116
0.875%, 06/30/2026		32,111		31,747
0.875%, 09/30/2026		82,238		81,178
0.750%, 11/15/2024		43,340		43,238
0.750%, 04/30/2026		20,150		19,834
0.750%, 05/31/2026		49,088		48,296
0.750%, 01/31/2028		44,820		43,363
0.625%, 12/31/2027		3,264		3,138
0.500%, 11/30/2023		258,997		258,724
0.500%, 02/28/2026		31,325		30,550
0.500%, 08/31/2027		17,957		17,213
0.375%, 10/31/2023		175,383		174,903
0.375%, 04/15/2024		16,028		15,912
0.375%, 11/30/2025		29,953		29,142
0.375%, 12/31/2025		39,914		38,799
0.375%, 01/31/2026		21,625		20,995
0.250%, 09/30/2023		95,215		94,780
0.250%, 11/15/2023		170		169
0.250%, 05/15/2024		22,956		22,700
0.250%, 06/15/2024		17,143		16,935
0.250%, 05/31/2025		40		39
0.250%, 06/30/2025		480		468
0.250%, 08/31/2025		12,255		11,907
0.250%, 09/30/2025		340		330
0.250%, 10/31/2025		24,945		24,184
0.125%, 05/31/2022		6,424		6,425
0.125%, 09/30/2022		11,550		11,541
0.125%, 12/31/2022		32,255		32,198

88

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
U.S. TREASURY OBLIGATIONS (continued)
0.125%, 03/31/2023	$	34,005	$	33,896
0.125%, 08/31/2023		811		806
0.125%, 01/15/2024		14,746		14,595
Total U.S. Treasury Obligations
(Cost $3,417,345) ($ Thousands)				3,421,627
CORPORATE OBLIGATIONS — 29.4%
Communication Services — 3.1%
Alphabet
2.050%, 08/15/2050		630		570
1.100%, 08/15/2030		400		376
0.800%, 08/15/2027		350		336
0.450%, 08/15/2025		180		176
AT&T
6.500%, 09/01/2037 (B)		2,770		3,742
5.350%, 09/01/2040		80		101
5.250%, 03/01/2037		3,910		4,872
4.850%, 03/01/2039		414		497
4.750%, 05/15/2046		1,335		1,625
4.500%, 05/15/2035		2,740		3,159
4.500%, 03/09/2048		195		230
4.350%, 03/01/2029		515		580
4.350%, 06/15/2045		1,082		1,221
3.800%, 12/01/2057		10,337		10,795
3.650%, 06/01/2051		613		636
3.650%, 09/15/2059		1,643		1,663
3.550%, 09/15/2055		1,055		1,061
3.500%, 06/01/2041		818		840
3.500%, 09/15/2053		11,333		11,448
3.100%, 02/01/2043		1,524		1,471
2.550%, 12/01/2033		5,763		5,571
2.300%, 06/01/2027		1,200		1,219
2.250%, 02/01/2032		630		608
1.700%, 03/25/2026		3,250		3,245
1.650%, 02/01/2028		4,440		4,320
Charter Communications Operating LLC / Charter Communications Operating Capital
6.484%, 10/23/2045		110		150
6.384%, 10/23/2035		170		220
5.750%, 04/01/2048		570		718
5.375%, 04/01/2038		1,480		1,779
5.375%, 05/01/2047		250		300
5.050%, 03/30/2029		2,530		2,920
4.908%, 07/23/2025		2,190		2,416
4.800%, 03/01/2050		1,997		2,249
4.464%, 07/23/2022		732		745
4.400%, 12/01/2061		1,115		1,162
4.200%, 03/15/2028		980		1,075
3.900%, 06/01/2052		1,619		1,636

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.750%, 02/15/2028	$	681	$	733
3.500%, 06/01/2041		1,532		1,500
3.500%, 03/01/2042		2,184		2,113
2.250%, 01/15/2029		3,679		3,566
Comcast
7.050%, 03/15/2033		50		72
4.400%, 08/15/2035		3,525		4,201
4.250%, 10/15/2030		1,010		1,164
4.250%, 01/15/2033		360		421
4.200%, 08/15/2034		570		669
4.150%, 10/15/2028		3,480		3,939
4.000%, 03/01/2048		110		128
3.969%, 11/01/2047		120		139
3.950%, 10/15/2025		1,110		1,210
3.750%, 04/01/2040		1,034		1,165
3.700%, 04/15/2024		1,100		1,166
3.400%, 04/01/2030		2,505		2,731
3.400%, 07/15/2046		60		64
3.300%, 04/01/2027		310		333
3.250%, 11/01/2039		250		265
3.150%, 03/01/2026		800		852
3.100%, 04/01/2025		50		53
2.937%, 11/01/2056 (C)		844		820
2.887%, 11/01/2051 (C)		524		512
2.800%, 01/15/2051		270		261
1.500%, 02/15/2031		7,927		7,453
Comcast Cable Communications Holdings
9.455%, 11/15/2022		240		261
Comcast Cable Holdings LLC
10.125%, 04/15/2022 (B)		190		197
Cox Communications
4.800%, 02/01/2035 (C)		1,665		1,980
2.600%, 06/15/2031 (C)		1,220		1,221
Discovery Communications LLC
4.000%, 09/15/2055		337		361
Fox
5.476%, 01/25/2039		270		349
4.709%, 01/25/2029		210		240
3.500%, 04/08/2030		560		606
Level 3 Financing
3.875%, 11/15/2029 (C)		4,915		5,075
3.400%, 03/01/2027 (C)		895		917
Netflix
5.875%, 11/15/2028		1,467		1,756
3.625%, 06/15/2025 (C)		1,365		1,440
NTT Finance
1.162%, 04/03/2026 (C)		4,810		4,724
Rogers Communications
4.100%, 10/01/2023		133		139
SES GLOBAL Americas Holdings GP
5.300%, 03/25/2044 (C)		2,000		2,313

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

89

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Sky
3.750%, 09/16/2024 (C)	$	2,045	$	2,186
Sprint Capital
8.750%, 03/15/2032		200		296
Sprint Spectrum Co LLC / Sprint Spectrum Co II LLC / Sprint Spectrum Co III LLC
5.152%, 03/20/2028 (C)		7,425		8,321
4.738%, 03/20/2025 (C)		4,979		5,193
Telefonica Emisiones
4.103%, 03/08/2027		150		166
Tencent Holdings MTN
3.840%, 04/22/2051 (C)		2,320		2,508
3.595%, 01/19/2028 (C)		2,370		2,532
Time Warner Cable LLC
7.300%, 07/01/2038		100		143
6.750%, 06/15/2039		170		233
6.550%, 05/01/2037		40		54
5.875%, 11/15/2040		2,595		3,288
5.500%, 09/01/2041		4,882		5,981
Time Warner Entertainment
8.375%, 07/15/2033		1,380		2,035
T-Mobile USA
4.375%, 04/15/2040		2,770		3,145
3.875%, 04/15/2030		6,465		7,026
3.750%, 04/15/2027		4,608		4,954
3.500%, 04/15/2025		720		762
3.500%, 04/15/2031 (C)		2,823		2,869
3.375%, 04/15/2029 (C)		3,831		3,855
3.300%, 02/15/2051		210		204
3.000%, 02/15/2041		480		458
2.875%, 02/15/2031		521		504
2.550%, 02/15/2031		2,945		2,904
2.250%, 02/15/2026 (C)		9,624		9,509
2.250%, 11/15/2031		790		759
2.050%, 02/15/2028		150		148
Verizon Communications
5.500%, 03/16/2047		100		143
5.250%, 03/16/2037		1,100		1,440
4.862%, 08/21/2046		270		355
4.500%, 08/10/2033		470		554
4.400%, 11/01/2034		5,360		6,284
4.329%, 09/21/2028		3,605		4,106
4.125%, 03/16/2027		330		367
4.125%, 08/15/2046		430		505
4.016%, 12/03/2029		1,337		1,499
4.000%, 03/22/2050		1,330		1,544
3.850%, 11/01/2042		1,750		1,946
3.700%, 03/22/2061		2,413		2,666
3.550%, 03/22/2051		3,980		4,364
3.400%, 03/22/2041		1,545		1,642
3.150%, 03/22/2030		580		615
3.000%, 03/22/2027		220		232

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.875%, 11/20/2050	$	1,728	$	1,683
2.650%, 11/20/2040		4,785		4,568
2.625%, 08/15/2026		940		980
2.550%, 03/21/2031		5,984		6,048
2.355%, 03/15/2032 (C)		9,401		9,305
2.100%, 03/22/2028		700		698
1.750%, 01/20/2031		1,640		1,553
1.680%, 10/30/2030		1,534		1,448
ViacomCBS
6.875%, 04/30/2036		1,175		1,690
5.900%, 10/15/2040		840		1,125
4.950%, 01/15/2031		424		503
4.950%, 05/19/2050		743		938
4.750%, 05/15/2025		2,640		2,912
3.875%, 04/01/2024		230		242
3.700%, 08/15/2024		1,505		1,602
Vodafone Group PLC
5.250%, 05/30/2048		2,370		3,083
4.875%, 06/19/2049		3,011		3,765
4.375%, 05/30/2028		1,010		1,141
Walt Disney
8.875%, 04/26/2023		150		167
6.650%, 11/15/2037		260		388
6.200%, 12/15/2034		265		373
4.700%, 03/23/2050		1,035		1,387
4.625%, 03/23/2040		2,385		2,999
3.600%, 01/13/2051		1,735		1,984
				281,718
Consumer Discretionary — 1.3%
7-Eleven
0.625%, 02/10/2023 (C)		3,555		3,544
Advance Auto Parts
3.900%, 04/15/2030		3,065		3,363
Alimentation Couche-Tard
3.550%, 07/26/2027 (C)		2,200		2,366
Amazon.com
4.950%, 12/05/2044		600		824
4.800%, 12/05/2034		187		239
4.250%, 08/22/2057		160		208
4.050%, 08/22/2047		570		701
3.875%, 08/22/2037		1,780		2,093
3.250%, 05/12/2061		794		877
3.150%, 08/22/2027		160		172
3.100%, 05/12/2051		2,663		2,878
2.700%, 06/03/2060		356		347
2.500%, 06/03/2050		880		842
2.100%, 05/12/2031		4,157		4,177
1.650%, 05/12/2028		3,145		3,130
1.500%, 06/03/2030		540		519
1.200%, 06/03/2027		1,090		1,068
1.000%, 05/12/2026		5,226		5,164

90

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
0.800%, 06/03/2025	$	880	$	867
American Honda Finance MTN
2.000%, 03/24/2028		725		731
1.000%, 09/10/2025		2,610		2,576
AutoNation
4.750%, 06/01/2030		770		891
BMW US Capital LLC
3.800%, 04/06/2023 (C)		1,780		1,852
Daimler Finance North America LLC
2.700%, 06/14/2024 (C)		990		1,027
1.056%, VAR ICE LIBOR USD 3 Month + 0.900%, 02/15/2022 (C)		2,000		2,003
0.750%, 03/01/2024 (C)		3,010		2,986
Dollar General
3.250%, 04/15/2023		70		72
Ford Motor
4.750%, 01/15/2043		631		675
Ford Motor Credit LLC
4.271%, 01/09/2027		1,985		2,098
4.063%, 11/01/2024		618		645
4.000%, 11/13/2030		1,129		1,184
3.625%, 06/17/2031		3,239		3,304
3.339%, 03/28/2022		3,990		4,004
3.096%, 05/04/2023		200		203
2.700%, 08/10/2026		3,438		3,413
1.402%, VAR ICE LIBOR USD 3 Month + 1.270%, 03/28/2022		2,200		2,197
General Motors
6.250%, 10/02/2043		940		1,280
5.150%, 04/01/2038		150		181
General Motors Financial
4.350%, 01/17/2027		180		197
3.450%, 04/10/2022		515		518
3.150%, 06/30/2022		3,095		3,135
Home Depot
3.900%, 12/06/2028		80		91
3.900%, 06/15/2047		100		120
3.350%, 04/15/2050		800		889
3.300%, 04/15/2040		855		925
3.125%, 12/15/2049		1,486		1,589
2.700%, 04/15/2030		480		503
2.500%, 04/15/2027		430		450
2.375%, 03/15/2051		1,226		1,140
Hyatt Hotels
1.800%, 10/01/2024		2,515		2,517
Hyundai Capital America
1.800%, 10/15/2025 (C)		1,909		1,906
1.250%, 09/18/2023 (C)		1,193		1,195
Hyundai Capital America MTN
2.000%, 06/15/2028 (C)		1,158		1,122
1.300%, 01/08/2026 (C)		2,382		2,318
0.800%, 01/08/2024 (C)		2,037		2,020

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Las Vegas Sands
3.200%, 08/08/2024	$	1,480	$	1,509
2.900%, 06/25/2025		140		141
Lowe's
5.000%, 04/15/2040		2,025		2,561
4.500%, 04/15/2030		320		371
2.500%, 04/15/2026		260		270
1.700%, 09/15/2028		900		879
Marriott International /Maryland
5.750%, 05/01/2025		470		530
4.625%, 06/15/2030		2,726		3,068
3.500%, 10/15/2032		1,155		1,215
2.850%, 04/15/2031		1,885		1,893
McDonald's MTN
4.875%, 12/09/2045		670		869
4.200%, 04/01/2050		1,250		1,523
3.800%, 04/01/2028		1,220		1,351
3.700%, 01/30/2026		1,065		1,151
3.625%, 09/01/2049		355		396
3.600%, 07/01/2030		460		510
3.500%, 03/01/2027		180		195
3.500%, 07/01/2027		510		552
3.300%, 07/01/2025		480		511
2.125%, 03/01/2030		420		420
1.450%, 09/01/2025		850		854
Newell Brands
4.700%, 04/01/2026		560		600
4.350%, 04/01/2023		376		389
NIKE
3.375%, 03/27/2050		20		23
3.250%, 03/27/2040		330		363
2.850%, 03/27/2030		650		691
2.750%, 03/27/2027		640		678
2.400%, 03/27/2025		400		416
QVC
4.850%, 04/01/2024		735		787
Sands China
5.125%, 08/08/2025		810		851
Starbucks
3.500%, 11/15/2050		4,416		4,770
3.350%, 03/12/2050		250		264
1.300%, 05/07/2022		974		978
Tapestry
3.050%, 03/15/2032		2,127		2,150
Target
2.250%, 04/15/2025		710		732
Volkswagen Group of America Finance LLC
2.900%, 05/13/2022 (C)		3,135		3,167
1.250%, 11/24/2025 (C)		2,520		2,479
0.875%, 11/22/2023 (C)		2,420		2,409
				127,852

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

91

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Consumer Staples — 2.3%
Adani International Container Terminal PVT
3.000%, 02/16/2031 (C)	$	612	$	594
Adani Ports and Special Economic Zone
4.200%, 08/04/2027 (C)		1,407		1,460
Advocate Health & Hospitals
2.211%, 06/15/2030		3,565		3,612
Aetna
3.875%, 08/15/2047		360		407
2.800%, 06/15/2023		3,648		3,743
Altria Group
5.950%, 02/14/2049		380		479
5.800%, 02/14/2039		1,065		1,286
4.800%, 02/14/2029		11		12
4.400%, 02/14/2026		203		223
3.400%, 02/04/2041		2,777		2,570
2.450%, 02/04/2032		7,461		7,024
2.350%, 05/06/2025		511		525
Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide
4.900%, 02/01/2046		7,676		9,744
4.700%, 02/01/2036		2,167		2,606
3.650%, 02/01/2026		1,978		2,129
Anheuser-Busch InBev Worldwide
5.550%, 01/23/2049		1,600		2,207
5.450%, 01/23/2039		2,180		2,857
4.750%, 01/23/2029		1,420		1,656
4.600%, 04/15/2048		4,030		4,936
4.500%, 06/01/2050		1,860		2,302
4.375%, 04/15/2038		2,337		2,722
4.350%, 06/01/2040		970		1,139
4.000%, 04/13/2028		310		347
3.750%, 07/15/2042		698		763
3.500%, 06/01/2030		1,067		1,167
Bacardi
5.300%, 05/15/2048 (C)		1,562		2,095
4.700%, 05/15/2028 (C)		1,593		1,818
4.450%, 05/15/2025 (C)		3,160		3,437
BAT Capital
4.700%, 04/02/2027		500		552
4.540%, 08/15/2047		4,705		4,935
4.390%, 08/15/2037		1,088		1,155
3.984%, 09/25/2050		1,035		1,011
3.557%, 08/15/2027		5,195		5,436
3.215%, 09/06/2026		1,095		1,137
2.726%, 03/25/2031		5,082		4,915
2.259%, 03/25/2028		1,202		1,174
Bayer US Finance II LLC
4.375%, 12/15/2028 (C)		3,750		4,211
4.250%, 12/15/2025 (C)		3,105		3,380
Bayer US Finance LLC
3.375%, 10/08/2024 (C)		1,475		1,546

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Bon Secours Mercy Health
3.464%, 06/01/2030	$	1,480	$	1,610
Bunge Finance
3.750%, 09/25/2027		3,877		4,223
2.750%, 05/14/2031		2,848		2,876
1.630%, 08/17/2025		1,334		1,334
Cargill
1.375%, 07/23/2023 (C)		690		697
Coca-Cola
3.375%, 03/25/2027		330		358
2.600%, 06/01/2050		200		198
2.500%, 06/01/2040		310		308
2.500%, 03/15/2051		1,190		1,161
1.450%, 06/01/2027		630		624
CommonSpirit Health
3.347%, 10/01/2029		1,025		1,093
2.782%, 10/01/2030		1,930		1,983
Constellation Brands
4.400%, 11/15/2025		775		854
Costco Wholesale
1.750%, 04/20/2032		560		547
1.375%, 06/20/2027		1,220		1,203
CVS Pass-Through Trust
6.036%, 12/10/2028		1,312		1,513
5.926%, 01/10/2034 (C)		141		170
5.880%, 01/10/2028		82		92
5.789%, 01/10/2026 (C)		582		631
Danone
2.947%, 11/02/2026 (C)		450		472
2.589%, 11/02/2023 (C)		1,580		1,625
Diageo Investment
2.875%, 05/11/2022		980		990
DP World MTN
5.625%, 09/25/2048 (C)		2,790		3,402
Estee Lauder
1.950%, 03/15/2031		2,304		2,300
Fresenius Medical Care US Finance III
1.875%, 12/01/2026 (C)		2,440		2,414
Hershey
0.900%, 06/01/2025		210		208
Imperial Brands Finance PLC
4.250%, 07/21/2025 (C)		3,165		3,409
3.500%, 02/11/2023 (C)		1,450		1,483
JBS USA LUX
3.000%, 05/15/2032 (C)		2,765		2,735
Keurig Dr Pepper
4.417%, 05/25/2025		380		416
Kimberly-Clark
3.100%, 03/26/2030		200		217
Kraft Heinz Foods
5.000%, 06/04/2042		1,585		1,934
4.875%, 10/01/2049		3,945		4,915

92

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.000%, 06/01/2026	$	583	$	607
Kroger
4.450%, 02/01/2047		275		335
Land O' Lakes
6.000%, 11/15/2022 (C)		1,890		1,957
Molson Coors Beverage
3.500%, 05/01/2022		220		222
Molson Coors Brewing
4.200%, 07/15/2046		2,660		2,946
Mondelez International
1.500%, 05/04/2025		1,070		1,072
Mondelez International Holdings Netherlands BV
2.125%, 09/19/2022 (C)		450		456
PepsiCo
2.875%, 10/15/2049		250		264
2.625%, 03/19/2027		80		84
2.250%, 03/19/2025		80		83
1.625%, 05/01/2030		30		29
0.750%, 05/01/2023		820		823
Philip Morris International
2.500%, 08/22/2022		1,530		1,554
2.500%, 11/02/2022		1,250		1,270
2.100%, 05/01/2030		460		453
1.125%, 05/01/2023		410		412
Procter & Gamble
3.100%, 08/15/2023		140		146
3.000%, 03/25/2030		380		414
2.800%, 03/25/2027		130		138
Reckitt Benckiser Treasury Services PLC
2.750%, 06/26/2024 (C)		3,675		3,805
Reynolds American
8.125%, 05/01/2040		1,060		1,558
7.250%, 06/15/2037		745		1,008
6.150%, 09/15/2043		480		598
5.850%, 08/15/2045		4,055		4,924
Shire Acquisitions Investments Ireland
2.875%, 09/23/2023		4,952		5,110
Smith & Nephew PLC
2.032%, 10/14/2030		1,245		1,210
Sodexo
1.634%, 04/16/2026 (C)		2,147		2,132
Takeda Pharmaceutical
5.000%, 11/26/2028		980		1,154
4.400%, 11/26/2023		4,309		4,586
2.050%, 03/31/2030		2,863		2,783
Trustees of the University of Pennsylvania
3.610%, 02/15/2119		43		52
Walmart
3.300%, 04/22/2024		175		184
2.500%, 09/22/2041		614		629
1.800%, 09/22/2031		200		198

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.500%, 09/22/2028	$	2,020	$	2,003
Yale University
1.482%, 04/15/2030		1,174		1,151
0.873%, 04/15/2025		376		375
				188,032
Energy — 3.0%
Aker BP
4.000%, 01/15/2031 (C)		1,094		1,190
Apache
5.100%, 09/01/2040		110		119
4.750%, 04/15/2043 (B)		420		447
4.375%, 10/15/2028 (B)		990		1,043
4.250%, 01/15/2030		20		21
4.250%, 01/15/2044 (B)		1,130		1,113
3.250%, 04/15/2022		45		45
BP Capital Markets America
3.796%, 09/21/2025		90		98
3.790%, 02/06/2024		150		159
3.633%, 04/06/2030		480		527
3.379%, 02/08/2061		1,792		1,850
3.216%, 11/28/2023		1,630		1,699
3.194%, 04/06/2025		1,990		2,095
3.119%, 05/04/2026		400		423
3.000%, 02/24/2050		1,890		1,847
2.772%, 11/10/2050		1,150		1,086
BP Capital Markets PLC
3.535%, 11/04/2024		150		159
3.506%, 03/17/2025		340		362
Cameron LNG LLC
3.302%, 01/15/2035 (C)		990		1,044
2.902%, 07/15/2031 (C)		1,530		1,605
Canadian Natural Resources
6.450%, 06/30/2033		200		261
Cheniere Corpus Christi Holdings LLC
3.700%, 11/15/2029		1,846		1,971
Chevron
3.191%, 06/24/2023		95		98
3.078%, 05/11/2050		950		1,012
2.954%, 05/16/2026		1,100		1,167
2.355%, 12/05/2022		290		294
1.995%, 05/11/2027		1,280		1,295
1.554%, 05/11/2025		830		836
Chevron USA
3.850%, 01/15/2028		990		1,099
1.018%, 08/12/2027		875		840
Cimarex Energy
4.375%, 06/01/2024		80		84
4.375%, 03/15/2029		1,840		2,014
3.900%, 05/15/2027		1,740		1,819
ConocoPhillips
6.950%, 04/15/2029		995		1,309

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

93

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.300%, 08/15/2028 (C)	$	1,130	$	1,281
4.150%, 11/15/2034		753		860
3.750%, 10/01/2027 (C)		1,385		1,513
Continental Resources/Oklahoma
4.900%, 06/01/2044		340		377
4.500%, 04/15/2023		480		496
4.375%, 01/15/2028 (B)		810		872
3.800%, 06/01/2024		770		803
2.268%, 11/15/2026 (C)		3,665		3,620
Devon Energy
7.875%, 09/30/2031		1,580		2,237
5.850%, 12/15/2025		1,000		1,146
5.600%, 07/15/2041		680		856
5.250%, 10/15/2027 (C)		98		104
5.000%, 06/15/2045		3,056		3,684
4.750%, 05/15/2042		970		1,109
4.500%, 01/15/2030 (C)		256		275
Diamondback Energy
4.400%, 03/24/2051		653		741
3.500%, 12/01/2029		930		975
3.250%, 12/01/2026		380		399
3.125%, 03/24/2031		320		326
2.875%, 12/01/2024		280		291
Ecopetrol
5.875%, 05/28/2045		3,400		3,170
4.125%, 01/16/2025		167		169
Enable Midstream Partners
5.000%, 05/15/2044		340		367
4.950%, 05/15/2028		2,574		2,868
4.400%, 03/15/2027		1,518		1,641
4.150%, 09/15/2029		900		969
Energy Transfer
6.250%, 04/15/2049		560		727
6.125%, 12/15/2045		965		1,211
6.100%, 02/15/2042		398		491
6.050%, 06/01/2041		353		433
6.000%, 06/15/2048		313		393
5.500%, 06/01/2027		620		709
5.400%, 10/01/2047		2,050		2,440
5.350%, 05/15/2045		1,852		2,150
5.300%, 04/01/2044		60		69
5.300%, 04/15/2047		2,014		2,328
5.250%, 04/15/2029		2,085		2,385
5.150%, 03/15/2045		2,377		2,712
5.000%, 05/15/2050		1,505		1,729
4.950%, 06/15/2028		410		464
4.000%, 10/01/2027		2,095		2,263
3.750%, 05/15/2030		2,560		2,695
2.900%, 05/15/2025		740		764
Eni SpA
4.000%, 09/12/2023 (C)		4,400		4,615

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Enterprise Products Operating LLC
7.550%, 04/15/2038	$	60	$	91
6.125%, 10/15/2039		145		199
4.850%, 03/15/2044		60		73
4.800%, 02/01/2049		230		282
4.200%, 01/31/2050		2,910		3,283
4.150%, 10/16/2028		1,580		1,781
4.050%, 02/15/2022		14		14
3.950%, 01/31/2060		300		323
3.700%, 01/31/2051		510		538
3.125%, 07/31/2029		350		371
2.800%, 01/31/2030		1,800		1,864
EOG Resources
4.950%, 04/15/2050		1,730		2,340
4.375%, 04/15/2030		860		989
4.150%, 01/15/2026		270		296
3.900%, 04/01/2035		590		666
Equinor
3.000%, 04/06/2027		2,845		3,005
2.875%, 04/06/2025		4,615		4,837
Exxon Mobil
4.327%, 03/19/2050		2,000		2,489
4.227%, 03/19/2040		2,115		2,521
4.114%, 03/01/2046		910		1,083
3.482%, 03/19/2030		730		801
3.452%, 04/15/2051		1,500		1,638
3.043%, 03/01/2026		1,140		1,209
2.992%, 03/19/2025		7,105		7,483
1.571%, 04/15/2023		70		71
Galaxy Pipeline Assets Bidco
2.940%, 09/30/2040 (C)		696		686
2.625%, 03/31/2036 (C)		1,164		1,132
2.160%, 03/31/2034 (C)		1,678		1,631
1.750%, 09/30/2027 (C)		4,716		4,735
Halliburton
3.800%, 11/15/2025		66		71
Hess
6.000%, 01/15/2040		2,240		2,845
5.600%, 02/15/2041		1,580		1,947
HollyFrontier
5.875%, 04/01/2026		1,265		1,427
KazMunayGas National JSC
6.375%, 10/24/2048 (C)		470		593
5.750%, 04/19/2047 (C)		1,390		1,637
5.375%, 04/24/2030 (C)		1,720		1,971
Kinder Morgan
5.550%, 06/01/2045		500		633
5.200%, 03/01/2048		1,070		1,332
5.050%, 02/15/2046		260		311
4.300%, 06/01/2025		1,105		1,197
4.300%, 03/01/2028		590		655

94

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Kinder Morgan Energy Partners
5.500%, 03/01/2044	$	715	$	881
5.400%, 09/01/2044		40		49
5.000%, 03/01/2043		50		58
Lukoil Capital DAC
3.600%, 10/26/2031 (C)		3,700		3,613
2.800%, 04/26/2027 (C)		3,175		3,138
Lundin Energy Finance BV
3.100%, 07/15/2031 (C)		3,584		3,622
2.000%, 07/15/2026 (C)		4,526		4,498
Marathon Oil
5.200%, 06/01/2045		493		582
MPLX
5.500%, 02/15/2049		580		733
5.200%, 03/01/2047		320		390
5.200%, 12/01/2047		470		575
4.800%, 02/15/2029		120		136
4.700%, 04/15/2048		1,410		1,626
4.500%, 04/15/2038		810		899
4.000%, 03/15/2028		350		380
Occidental Petroleum
7.875%, 09/15/2031		140		182
7.500%, 05/01/2031		240		303
6.950%, 07/01/2024		3,107		3,418
5.550%, 03/15/2026		2,180		2,330
4.625%, 06/15/2045		400		404
4.500%, 07/15/2044		1,000		1,000
4.400%, 04/15/2046		200		197
4.200%, 03/15/2048		390		375
4.100%, 02/15/2047		1,040		991
3.400%, 04/15/2026		100		99
3.200%, 08/15/2026		1,740		1,710
3.000%, 02/15/2027		510		493
Oleoducto Central
4.000%, 07/14/2027 (C)		884		880
Pertamina Persero
6.000%, 05/03/2042 (C)		1,220		1,489
Petrobras Global Finance
6.850%, 06/05/2115		1,090		1,057
6.250%, 03/17/2024		1,930		2,078
Petroleos del Peru
5.625%, 06/19/2047 (C)		1,095		1,069
4.750%, 06/19/2032 (C)		4,690		4,792
Petroleos Mexicanos
7.690%, 01/23/2050		1,840		1,660
6.950%, 01/28/2060		210		173
6.625%, 06/15/2035		2,202		2,019
5.625%, 01/23/2046		1,650		1,240
2.460%, 12/15/2025		1,409		1,450
2.378%, 04/15/2025		609		625
Petroleos Mexicanos MTN
6.875%, 08/04/2026		90		95

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
6.750%, 09/21/2047	$	4,865	$	3,996
Phillips 66
1.300%, 02/15/2026		925		907
Pioneer Natural Resources
2.150%, 01/15/2031		1,590		1,527
1.900%, 08/15/2030		2,774		2,627
1.125%, 01/15/2026		180		175
Plains All American Pipeline/PAA Finance
4.500%, 12/15/2026		895		978
Qatar Energy
3.300%, 07/12/2051 (C)		1,720		1,758
3.125%, 07/12/2041 (C)		1,720		1,723
2.250%, 07/12/2031 (C)		2,670		2,624
Rockies Express Pipeline LLC
6.875%, 04/15/2040 (C)		1,270		1,416
4.950%, 07/15/2029 (C)		3,655		3,833
Ruby Pipeline
8.000%, 04/01/2022 (B)(C)		1,727		1,597
Sabine Pass Liquefaction LLC
5.750%, 05/15/2024		1,680		1,835
5.000%, 03/15/2027		3,145		3,540
Saudi Arabian Oil
1.625%, 11/24/2025 (C)		1,810		1,795
1.250%, 11/24/2023 (C)		840		841
Schlumberger Holdings
4.000%, 12/21/2025 (C)		660		718
3.900%, 05/17/2028 (C)		857		936
Schlumberger Investment
3.650%, 12/01/2023		100		104
Shell International Finance BV
6.375%, 12/15/2038		660		971
4.550%, 08/12/2043		490		613
4.375%, 05/11/2045		990		1,221
4.125%, 05/11/2035		3,510		4,109
4.000%, 05/10/2046		170		199
3.750%, 09/12/2046		100		114
3.250%, 04/06/2050		930		998
2.750%, 04/06/2030		660		690
Sinopec Group Overseas Development 2014
4.375%, 04/10/2024 (C)		1,020		1,096
Spectra Energy Partners
3.375%, 10/15/2026		140		148
Tennessee Gas Pipeline LLC
8.375%, 06/15/2032		2,200		3,143
2.900%, 03/01/2030 (C)		3,255		3,295
TransCanada PipeLines
4.625%, 03/01/2034		2,125		2,498
Transcontinental Gas Pipe Line LLC
7.850%, 02/01/2026		1,820		2,233
Valero Energy
1.200%, 03/15/2024		2,045		2,036

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

95

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Western Midstream Operating
4.350%, 02/01/2025	$	330	$	342
2.222%, VAR ICE LIBOR USD 3 Month + 2.100%, 01/13/2023		220		219
Williams
8.750%, 03/15/2032		1,284		1,924
7.750%, 06/15/2031		339		465
7.500%, 01/15/2031		9		12
5.100%, 09/15/2045		670		826
4.900%, 01/15/2045		450		539
3.750%, 06/15/2027		410		444
3.600%, 03/15/2022		124		124
				264,306
Financials — 9.1%
Aegon
1.650%, VAR USD ICE Swap 11:00 NY 10 Yr + 0.100%(D)		2,180		2,030
Alleghany
3.250%, 08/15/2051		1,158		1,184
Ally Financial
1.450%, 10/02/2023		1,235		1,240
American Express
4.050%, 12/03/2042		70		84
3.400%, 02/27/2023		285		294
2.500%, 07/30/2024		3,000		3,097
1.650%, 11/04/2026		2,013		2,009
American International Group
4.750%, 04/01/2048		195		256
4.375%, 06/30/2050		411		518
3.900%, 04/01/2026		565		616
3.400%, 06/30/2030		750		809
2.500%, 06/30/2025		410		424
Apollo Management Holdings
5.000%, 03/15/2048 (C)		1,425		1,897
4.400%, 05/27/2026 (C)		1,015		1,126
Ares Capital
3.200%, 11/15/2031		2,377		2,327
ASB Bank
2.375%, 10/22/2031 (C)		1,917		1,914
Athene Global Funding
3.000%, 07/01/2022 (C)		400		406
2.950%, 11/12/2026 (C)		3,910		4,092
2.500%, 03/24/2028 (C)		2,683		2,708
1.985%, 08/19/2028 (C)		4,552		4,415
1.730%, 10/02/2026 (C)		2,300		2,257
0.750%, VAR United States Secured Overnight Financing Rate + 0.700%, 05/24/2024 (C)		2,425		2,428
Athene Global Funding MTN
2.646%, 10/04/2031 (C)		2,531		2,516

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Athene Holding
4.125%, 01/12/2028	$	1,140	$	1,250
Avolon Holdings Funding
5.250%, 05/15/2024 (C)		185		199
5.125%, 10/01/2023 (C)		195		206
3.950%, 07/01/2024 (C)		535		561
2.875%, 02/15/2025 (C)		1,420		1,450
Bain Capital Specialty Finance
2.550%, 10/13/2026		1,569		1,527
Banco de Credito e Inversiones MTN
2.875%, 10/14/2031 (C)		1,532		1,520
Banco Santander
3.848%, 04/12/2023		1,200		1,246
3.225%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.600%, 11/22/2032		2,000		1,993
2.749%, 12/03/2030		2,200		2,152
2.746%, 05/28/2025		2,200		2,275
1.722%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.900%, 09/14/2027		2,655		2,605
1.241%, VAR ICE LIBOR USD 3 Month + 1.120%, 04/12/2023		400		404
Bank of America
3.483%, VAR United States Secured Overnight Financing Rate + 1.650%, 03/13/2052		759		847
3.419%, VAR ICE LIBOR USD 3 Month + 1.040%, 12/20/2028		1,342		1,430
3.366%, VAR ICE LIBOR USD 3 Month + 0.810%, 01/23/2026		1,660		1,753
3.311%, VAR United States Secured Overnight Financing Rate + 1.580%, 04/22/2042		2,000		2,122
3.004%, VAR ICE LIBOR USD 3 Month + 0.790%, 12/20/2023		3,242		3,315
2.687%, VAR United States Secured Overnight Financing Rate + 1.320%, 04/22/2032		7,561		7,657
2.592%, VAR United States Secured Overnight Financing Rate + 2.150%, 04/29/2031		4,206		4,241
2.572%, VAR United States Secured Overnight Financing Rate + 1.210%, 10/20/2032		6,100		6,126
1.734%, VAR United States Secured Overnight Financing Rate + 0.960%, 07/22/2027		19,909		19,729
1.658%, VAR United States Secured Overnight Financing Rate + 0.910%, 03/11/2027		17,130		16,999
Bank of America MTN
5.000%, 01/21/2044		1,800		2,355

96

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.450%, 03/03/2026	$	5,035	$	5,541
4.330%, VAR ICE LIBOR USD 3 Month + 1.520%, 03/15/2050		1,305		1,632
4.271%, VAR ICE LIBOR USD 3 Month + 1.310%, 07/23/2029		625		701
4.250%, 10/22/2026		130		143
4.200%, 08/26/2024		2,720		2,923
4.083%, VAR ICE LIBOR USD 3 Month + 3.150%, 03/20/2051		2,510		3,064
4.000%, 04/01/2024		2,110		2,248
4.000%, 01/22/2025		2,815		3,011
3.974%, VAR ICE LIBOR USD 3 Month + 1.210%, 02/07/2030		2,255		2,493
3.970%, VAR ICE LIBOR USD 3 Month + 1.070%, 03/05/2029		1,780		1,956
3.864%, VAR ICE LIBOR USD 3 Month + 0.940%, 07/23/2024		1,225		1,280
3.593%, VAR ICE LIBOR USD 3 Month + 1.370%, 07/21/2028		710		763
3.559%, VAR ICE LIBOR USD 3 Month + 1.060%, 04/23/2027		1,893		2,020
3.550%, VAR ICE LIBOR USD 3 Month + 0.780%, 03/05/2024		1,310		1,353
3.500%, 04/19/2026		1,598		1,721
3.300%, 01/11/2023		1,181		1,216
3.194%, VAR ICE LIBOR USD 3 Month + 1.180%, 07/23/2030		1,170		1,234
3.093%, VAR ICE LIBOR USD 3 Month + 1.090%, 10/01/2025		670		699
2.884%, VAR ICE LIBOR USD 3 Month + 1.190%, 10/22/2030		480		496
2.496%, VAR ICE LIBOR USD 3 Month + 0.990%, 02/13/2031		2,155		2,159
2.087%, VAR United States Secured Overnight Financing Rate + 1.060%, 06/14/2029		11,930		11,768
1.922%, VAR United States Secured Overnight Financing Rate + 1.370%, 10/24/2031		1,283		1,224
1.898%, VAR United States Secured Overnight Financing Rate + 1.530%, 07/23/2031		1,522		1,455
1.319%, VAR United States Secured Overnight Financing Rate + 1.150%, 06/19/2026		3,518		3,484
1.197%, VAR United States Secured Overnight Financing Rate + 1.010%, 10/24/2026		2,106		2,062
0.523%, VAR United States Secured Overnight Financing Rate + 0.410%, 06/14/2024		2,097		2,081
Bank of Montreal MTN
2.550%, 11/06/2022		200		204

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.850%, 05/01/2025	$	1,360	$	1,384
Bank of New York Mellon MTN
3.650%, 02/04/2024		150		159
3.250%, 09/11/2024		270		285
3.250%, 05/16/2027		270		291
1.600%, 04/24/2025		410		414
Bank of Nova Scotia
4.900%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 4.551%(D)		1,385		1,467
1.300%, 06/11/2025		760		758
Barclays Bank PLC
1.700%, 05/12/2022		570		572
Barclays PLC
4.375%, 01/12/2026		4,430		4,845
3.684%, 01/10/2023		1,220		1,224
3.330%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.300%, 11/24/2042		858		868
2.894%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.300%, 11/24/2032		1,179		1,184
2.279%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.050%, 11/24/2027		3,792		3,797
Barclays PLC MTN
4.972%, VAR ICE LIBOR USD 3 Month + 1.902%, 05/16/2029		1,070		1,227
BBVA USA
3.875%, 04/10/2025		910		981
Berkshire Hathaway Finance
4.250%, 01/15/2049		1,260		1,566
Blackstone Holdings Finance LLC
2.850%, 08/05/2051 (C)		995		980
Blackstone Private Credit Fund
3.250%, 03/15/2027 (C)		2,750		2,749
2.625%, 12/15/2026 (C)		7,022		6,826
2.350%, 11/22/2024 (C)		1,964		1,964
Blackstone Secured Lending Fund
3.625%, 01/15/2026		1,255		1,309
2.850%, 09/30/2028 (C)		1,989		1,929
Blue Owl Finance LLC
4.125%, 10/07/2051 (C)		329		339
BNP Paribas
5.198%, VAR ICE LIBOR USD 3 Month + 2.567%, 01/10/2030 (C)		1,220		1,432
4.705%, VAR ICE LIBOR USD 3 Month + 2.235%, 01/10/2025 (C)		1,450		1,551
4.400%, 08/14/2028 (C)		1,420		1,607
3.375%, 01/09/2025 (C)		420		443
2.219%, VAR United States Secured Overnight Financing Rate + 2.074%, 06/09/2026 (C)		950		965

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

97

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
BNP Paribas MTN
4.375%, VAR USD Swap Semi 30/360 5 Yr Curr + 1.483%, 03/01/2033 (C)	$	380	$	414
BPCE
5.150%, 07/21/2024 (C)		1,550		1,689
Brighthouse Financial
4.700%, 06/22/2047		4		4
3.850%, 12/22/2051		761		745
Brighthouse Financial Global Funding MTN
1.000%, 04/12/2024 (C)		2,965		2,950
Canadian Imperial Bank of Commerce
0.950%, 06/23/2023		750		752
Chubb INA Holdings
3.350%, 05/03/2026		420		452
CI Financial
4.100%, 06/15/2051		2,015		2,237
3.200%, 12/17/2030		2,610		2,684
Citadel
4.875%, 01/15/2027 (C)		1,240		1,330
Citigroup
8.125%, 07/15/2039		3,046		5,208
5.500%, 09/13/2025		1,370		1,550
5.300%, 05/06/2044		255		334
4.750%, 05/18/2046		150		189
4.650%, 07/30/2045		1,140		1,460
4.650%, 07/23/2048		795		1,043
4.600%, 03/09/2026		2,785		3,077
4.450%, 09/29/2027		1,380		1,535
4.412%, VAR United States Secured Overnight Financing Rate + 3.914%, 03/31/2031		2,020		2,304
4.400%, 06/10/2025		2,040		2,216
4.300%, 11/20/2026		590		651
4.125%, 07/25/2028		260		286
3.887%, VAR ICE LIBOR USD 3 Month + 1.563%, 01/10/2028		545		591
3.700%, 01/12/2026		625		676
3.500%, 05/15/2023		930		964
3.352%, VAR ICE LIBOR USD 3 Month + 0.897%, 04/24/2025		3,600		3,769
3.106%, VAR United States Secured Overnight Financing Rate + 2.842%, 04/08/2026		560		587
2.572%, VAR United States Secured Overnight Financing Rate + 2.107%, 06/03/2031		6,230		6,265
1.678%, VAR United States Secured Overnight Financing Rate + 1.667%, 05/15/2024		800		809
1.462%, VAR United States Secured Overnight Financing Rate + 0.770%, 06/09/2027		6,225		6,106

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
CME Group
3.000%, 09/15/2022	$	400	$	408
CNO Global Funding
1.750%, 10/07/2026 (C)		2,390		2,369
Cooperatieve Rabobank UA
4.625%, 12/01/2023		2,060		2,204
4.375%, 08/04/2025		1,580		1,718
Cooperatieve Rabobank UA MTN
3.875%, 02/08/2022		300		302
Credit Agricole SA/London MTN
1.907%, VAR United States Secured Overnight Financing Rate + 1.676%, 06/16/2026 (C)		630		633
Credit Suisse AG/New York NY
2.950%, 04/09/2025		790		830
1.250%, 08/07/2026		4,973		4,851
1.000%, 05/05/2023		4,510		4,524
Credit Suisse AG/New York NY MTN
3.625%, 09/09/2024		1,360		1,446
Credit Suisse Group
4.282%, 01/09/2028 (C)		895		976
4.194%, VAR United States Secured Overnight Financing Rate + 3.730%, 04/01/2031 (C)		1,490		1,639
3.750%, 03/26/2025		250		266
3.091%, VAR United States Secured Overnight Financing Rate + 1.730%, 05/14/2032 (C)		4,630		4,692
2.593%, VAR United States Secured Overnight Financing Rate + 1.560%, 09/11/2025 (C)		255		261
2.193%, VAR United States Secured Overnight Financing Rate + 2.044%, 06/05/2026 (C)		2,940		2,968
1.305%, VAR United States Secured Overnight Financing Rate + 0.980%, 02/02/2027 (C)		6,030		5,837
Danske Bank
5.375%, 01/12/2024 (C)		940		1,016
5.000%, 01/12/2022 (C)		1,070		1,075
3.244%, VAR ICE LIBOR USD 3 Month + 1.591%, 12/20/2025 (C)		1,320		1,374
1.226%, 06/22/2024 (C)		550		551
Discover Bank
4.200%, 08/08/2023		1,130		1,193
DNB Bank
1.605%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.680%, 03/30/2028 (C)		3,800		3,732
Enstar Group
3.100%, 09/01/2031		1,928		1,893
Equitable Holdings
3.900%, 04/20/2023		910		946

98

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
F&G Global Funding
2.000%, 09/20/2028 (C)	$	3,055	$	2,980
1.750%, 06/30/2026 (C)		1,580		1,575
Farmers Exchange Capital
7.200%, 07/15/2048 (C)		1,788		2,638
Farmers Exchange Capital II
6.151%, VAR ICE LIBOR USD 3 Month + 3.744%, 11/01/2053 (C)		4,120		5,238
FS KKR Capital
3.125%, 10/12/2028		418		412
GA Global Funding Trust
1.950%, 09/15/2028 (C)		3,638		3,568
0.800%, 09/13/2024 (C)		2,702		2,661
Goldman Sachs Capital II
4.000%, VAR ICE LIBOR USD 3 Month + 0.768%(B)(D)		435		424
Goldman Sachs Group
6.750%, 10/01/2037		1,629		2,301
6.250%, 02/01/2041		1,290		1,872
5.150%, 05/22/2045		1,870		2,445
4.750%, 10/21/2045		400		520
4.250%, 10/21/2025		1,090		1,185
4.223%, VAR ICE LIBOR USD 3 Month + 1.301%, 05/01/2029		500		554
3.800%, 03/15/2030		6,330		6,940
3.750%, 05/22/2025		500		535
3.750%, 02/25/2026		1,445		1,556
3.691%, VAR ICE LIBOR USD 3 Month + 1.510%, 06/05/2028		640		690
3.625%, 01/22/2023		508		525
3.500%, 01/23/2025		150		159
3.500%, 04/01/2025		870		923
3.500%, 11/16/2026		2,420		2,577
3.272%, VAR ICE LIBOR USD 3 Month + 1.201%, 09/29/2025		5,770		6,052
3.210%, VAR United States Secured Overnight Financing Rate + 1.513%, 04/22/2042		120		124
3.200%, 02/23/2023		670		688
2.908%, VAR ICE LIBOR USD 3 Month + 1.053%, 06/05/2023		410		414
2.908%, VAR United States Secured Overnight Financing Rate + 1.472%, 07/21/2042		280		279
2.650%, VAR United States Secured Overnight Financing Rate + 1.264%, 10/21/2032		3,273		3,281
2.383%, VAR United States Secured Overnight Financing Rate + 1.248%, 07/21/2032		2,335		2,291
1.542%, VAR United States Secured Overnight Financing Rate + 0.818%, 09/10/2027		10,060		9,849

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.431%, VAR United States Secured Overnight Financing Rate + 0.798%, 03/09/2027	$	9,675	$	9,485
0.925%, VAR United States Secured Overnight Financing Rate + 0.486%, 10/21/2024		10,142		10,105
0.657%, VAR United States Secured Overnight Financing Rate + 0.505%, 09/10/2024		3,834		3,804
Goldman Sachs Group MTN
4.800%, 07/08/2044		260		333
Golub Capital BDC
2.500%, 08/24/2026		1,740		1,714
Guardian Life Global Funding
1.100%, 06/23/2025 (C)		290		288
HSBC Bank PLC
7.650%, 05/01/2025		796		938
HSBC Bank USA
7.000%, 01/15/2039		510		786
HSBC Holdings PLC
4.950%, 03/31/2030		200		235
4.583%, VAR ICE LIBOR USD 3 Month + 1.535%, 06/19/2029		2,515		2,818
4.300%, 03/08/2026		5,405		5,926
4.250%, 03/14/2024		1,190		1,262
4.250%, 08/18/2025		960		1,035
4.041%, VAR ICE LIBOR USD 3 Month + 1.546%, 03/13/2028		830		896
3.973%, VAR ICE LIBOR USD 3 Month + 1.610%, 05/22/2030		970		1,057
3.262%, VAR ICE LIBOR USD 3 Month + 1.055%, 03/13/2023		155		156
2.633%, VAR United States Secured Overnight Financing Rate + 1.402%, 11/07/2025		755		776
2.206%, VAR United States Secured Overnight Financing Rate + 1.285%, 08/17/2029		3,735		3,656
2.099%, VAR United States Secured Overnight Financing Rate + 1.929%, 06/04/2026		4,845		4,875
2.013%, VAR United States Secured Overnight Financing Rate + 1.732%, 09/22/2028		3,325		3,249
1.645%, VAR United States Secured Overnight Financing Rate + 1.538%, 04/18/2026		290		289
1.589%, VAR United States Secured Overnight Financing Rate + 1.290%, 05/24/2027		3,980		3,888
ING Bank
5.800%, 09/25/2023 (C)		202		219

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

99

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
ING Groep
2.727%, VAR United States Secured Overnight Financing Rate + 1.316%, 04/01/2032	$	960	$	978
Intercontinental Exchange
1.850%, 09/15/2032		3,890		3,669
Intesa Sanpaolo
3.375%, 01/12/2023 (C)		490		503
3.125%, 07/14/2022 (C)		1,420		1,440
Intesa Sanpaolo MTN
5.710%, 01/15/2026 (C)		1,260		1,397
5.017%, 06/26/2024 (C)		870		929
Jackson Financial
4.000%, 11/23/2051 (C)		987		987
3.125%, 11/23/2031 (C)		4,735		4,748
JPMorgan Chase
8.750%, 09/01/2030		1,725		2,594
6.400%, 05/15/2038		385		559
4.950%, 06/01/2045		300		398
4.452%, VAR ICE LIBOR USD 3 Month + 1.330%, 12/05/2029		740		841
4.250%, 10/01/2027		2,590		2,894
4.203%, VAR ICE LIBOR USD 3 Month + 1.260%, 07/23/2029		940		1,051
4.125%, 12/15/2026		2,420		2,675
4.032%, VAR ICE LIBOR USD 3 Month + 1.460%, 07/24/2048		725		867
4.023%, VAR ICE LIBOR USD 3 Month + 1.000%, 12/05/2024		2,220		2,346
3.897%, VAR ICE LIBOR USD 3 Month + 1.220%, 01/23/2049		245		287
3.882%, VAR ICE LIBOR USD 3 Month + 1.360%, 07/24/2038		215		246
3.875%, 09/10/2024		440		469
3.625%, 05/13/2024		1,490		1,580
3.625%, 12/01/2027		1,000		1,073
3.200%, 06/15/2026		1,670		1,773
3.157%, VAR United States Secured Overnight Financing Rate + 1.460%, 04/22/2042		750		785
3.109%, VAR United States Secured Overnight Financing Rate + 2.440%, 04/22/2051		210		221
2.972%, 01/15/2023		165		165
2.956%, VAR United States Secured Overnight Financing Rate + 2.515%, 05/13/2031		2,570		2,654
2.739%, VAR United States Secured Overnight Financing Rate + 1.510%, 10/15/2030		370		380
2.545%, VAR United States Secured Overnight Financing Rate + 1.180%, 11/08/2032		1,320		1,327

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.522%, VAR United States Secured Overnight Financing Rate + 2.040%, 04/22/2031	$	1,960	$	1,978
2.301%, VAR United States Secured Overnight Financing Rate + 1.160%, 10/15/2025		3,120		3,191
2.182%, VAR United States Secured Overnight Financing Rate + 1.890%, 06/01/2028		2,351		2,356
2.083%, VAR United States Secured Overnight Financing Rate + 1.850%, 04/22/2026		6,956		7,075
2.069%, VAR United States Secured Overnight Financing Rate + 1.015%, 06/01/2029		6,351		6,273
2.005%, VAR United States Secured Overnight Financing Rate + 1.585%, 03/13/2026		75		76
1.578%, VAR United States Secured Overnight Financing Rate + 0.885%, 04/22/2027		8,370		8,269
1.514%, VAR United States Secured Overnight Financing Rate + 1.455%, 06/01/2024		2,130		2,147
1.470%, VAR United States Secured Overnight Financing Rate + 0.765%, 09/22/2027		12,830		12,584
1.045%, VAR United States Secured Overnight Financing Rate + 0.800%, 11/19/2026		4,279		4,161
1.040%, VAR United States Secured Overnight Financing Rate + 0.695%, 02/04/2027		7,675		7,448
0.969%, VAR United States Secured Overnight Financing Rate + 0.580%, 06/23/2025		8,540		8,476
0.680%, VAR ICE LIBOR USD 3 Month + 0.550%, 02/01/2027		2,740		2,671
KKR Group Finance II LLC
5.500%, 02/01/2043 (C)		120		160
KKR Group Finance III LLC
5.125%, 06/01/2044 (C)		1,005		1,300
Lehman Brothers Holdings
6.500%, 12/31/2049 (E)		4,040		–
Lehman Brothers Holdings MTN
6.750%, 12/31/2049 (E)		10,370		–
Lehman Brothers Holdings Capital Trust VII MTN
5.857%, VAR ICE LIBOR USD 3 Month + 0.840%(D)(E)		20,630		–
Lloyds Bank PLC
3.500%, 05/14/2025		100		107

100

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Lloyds Banking Group PLC
4.375%, 03/22/2028	$	1,180	$	1,325
3.870%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 3.500%, 07/09/2025		530		563
2.907%, VAR ICE LIBOR USD 3 Month + 0.810%, 11/07/2023		5,255		5,351
2.858%, VAR ICE LIBOR USD 3 Month + 1.249%, 03/17/2023		2,705		2,721
1.627%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.850%, 05/11/2027		3,000		2,952
Macquarie Bank
3.624%, 06/03/2030 (C)		765		792
Macquarie Group
1.340%, VAR United States Secured Overnight Financing Rate + 1.069%, 01/12/2027 (C)		2,395		2,343
Macquarie Group MTN
2.871%, VAR United States Secured Overnight Financing Rate + 1.532%, 01/14/2033 (C)		5,821		5,833
2.691%, VAR United States Secured Overnight Financing Rate + 1.440%, 06/23/2032 (C)		75		75
1.935%, VAR United States Secured Overnight Financing Rate + 0.995%, 04/14/2028 (C)		2,937		2,896
1.201%, VAR United States Secured Overnight Financing Rate + 0.694%, 10/14/2025 (C)		3,458		3,432
MassMutual Global Funding II
2.500%, 10/17/2022 (C)		261		266
MassMutual Global Funding II MTN
0.850%, 06/09/2023 (C)		2,220		2,226
Mercury General
4.400%, 03/15/2027		1,720		1,904
MetLife
6.400%, 12/15/2036		1,400		1,736
Metropolitan Life Global Funding I
3.450%, 12/18/2026 (C)		2,865		3,100
0.900%, 06/08/2023 (C)		1,540		1,545
Mitsubishi UFJ Financial Group
2.494%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.970%, 10/13/2032		1,563		1,569
2.309%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.950%, 07/20/2032		2,374		2,345
1.640%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.670%, 10/13/2027		3,825		3,782

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.538%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.750%, 07/20/2027	$	4,540	$	4,474
0.953%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.550%, 07/19/2025		4,595		4,549
Morgan Stanley
3.737%, VAR ICE LIBOR USD 3 Month + 0.847%, 04/24/2024		1,810		1,878
1.593%, VAR United States Secured Overnight Financing Rate + 0.879%, 05/04/2027		4,680		4,627
0.985%, VAR United States Secured Overnight Financing Rate + 0.720%, 12/10/2026		3,904		3,776
0.790%, VAR United States Secured Overnight Financing Rate + 0.525%, 05/30/2025		7,999		7,877
Morgan Stanley MTN
4.431%, VAR ICE LIBOR USD 3 Month + 1.628%, 01/23/2030		725		827
4.350%, 09/08/2026		235		260
4.100%, 05/22/2023		110		115
4.000%, 07/23/2025		580		629
3.772%, VAR ICE LIBOR USD 3 Month + 1.140%, 01/24/2029		280		306
3.700%, 10/23/2024		370		394
3.622%, VAR United States Secured Overnight Financing Rate + 3.120%, 04/01/2031		5,705		6,229
3.591%, VAR ICE LIBOR USD 3 Month + 1.340%, 07/22/2028		270		290
3.125%, 07/27/2026		525		556
2.720%, VAR United States Secured Overnight Financing Rate + 1.152%, 07/22/2025		2,085		2,152
2.699%, VAR United States Secured Overnight Financing Rate + 1.143%, 01/22/2031		10		10
2.511%, VAR United States Secured Overnight Financing Rate + 1.200%, 10/20/2032		2,025		2,032
2.239%, VAR United States Secured Overnight Financing Rate + 1.178%, 07/21/2032		2,277		2,231
2.188%, VAR United States Secured Overnight Financing Rate + 1.990%, 04/28/2026		2,020		2,061
1.512%, VAR United States Secured Overnight Financing Rate + 0.858%, 07/20/2027		9,960		9,769

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

101

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.164%, VAR United States Secured Overnight Financing Rate + 0.560%, 10/21/2025	$	7,521	$	7,461
0.864%, VAR United States Secured Overnight Financing Rate + 0.745%, 10/21/2025		2,766		2,720
0.791%, VAR United States Secured Overnight Financing Rate + 0.509%, 01/22/2025		9,490		9,386
National Securities Clearing
1.500%, 04/23/2025 (C)		6,290		6,343
1.200%, 04/23/2023 (C)		620		625
Nationwide Building Society
4.363%, VAR ICE LIBOR USD 3 Month + 1.392%, 08/01/2024 (C)		5,240		5,514
3.766%, VAR ICE LIBOR USD 3 Month + 1.064%, 03/08/2024 (C)		1,735		1,795
Nationwide Mutual Insurance
2.406%, VAR ICE LIBOR USD 3 Month + 2.290%, 12/15/2024 (C)		4,407		4,412
Natwest Group PLC
4.519%, VAR ICE LIBOR USD 3 Month + 1.550%, 06/25/2024		820		863
4.269%, VAR ICE LIBOR USD 3 Month + 1.762%, 03/22/2025		4,630		4,922
1.642%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 0.900%, 06/14/2027		1,640		1,615
New York Life Global Funding
0.950%, 06/24/2025 (C)		550		545
New York Life Insurance
6.750%, 11/15/2039 (C)		765		1,160
3.750%, 05/15/2050 (C)		1,870		2,153
Nomura Holdings
2.648%, 01/16/2025		1,430		1,479
2.608%, 07/14/2031		255		251
Nordea Bank ABP
1.000%, 06/09/2023 (C)		1,370		1,376
Northern Trust
2.375%, 08/02/2022		300		304
Northwestern Mutual Life Insurance
3.625%, 09/30/2059 (C)		2,550		2,870
Ohio National Financial Services
5.550%, 01/24/2030 (C)		1,775		2,038
Owl Rock Capital
3.400%, 07/15/2026		3,288		3,344
2.875%, 06/11/2028		802		784
Owl Rock Capital III
3.125%, 04/13/2027 (C)		2,608		2,556
Park Aerospace Holdings
5.500%, 02/15/2024 (C)		850		915
4.500%, 03/15/2023 (C)		4,470		4,637

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
PNC Financial Services Group
3.500%, 01/23/2024	$	255	$	268
Pricoa Global Funding I MTN
1.200%, 09/01/2026 (C)		3,536		3,477
Principal Life Global Funding II
1.250%, 06/23/2025 (C)		270		268
Private Export Funding
0.550%, 07/30/2024 (C)		2,055		2,037
Prospect Capital
3.706%, 01/22/2026		1,005		1,022
Raymond James Financial
4.950%, 07/15/2046		1,525		2,002
Royal Bank of Canada
0.375%, 06/29/2085		860		735
Royal Bank of Canada MTN
2.250%, 11/01/2024		170		175
1.600%, 04/17/2023		1,170		1,185
1.150%, 06/10/2025		730		724
Santander Holdings USA
3.450%, 06/02/2025		1,150		1,213
Santander UK Group Holdings PLC
4.796%, VAR ICE LIBOR USD 3 Month + 1.570%, 11/15/2024		4,580		4,897
3.823%, VAR ICE LIBOR USD 3 Month + 1.400%, 11/03/2028		350		376
1.673%, VAR United States Secured Overnight Financing Rate + 0.989%, 06/14/2027		1,235		1,211
1.532%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.250%, 08/21/2026		1,140		1,125
1.089%, VAR United States Secured Overnight Financing Rate + 0.787%, 03/15/2025		4,785		4,743
SBL Holdings
5.000%, 02/18/2031 (C)		2,656		2,787
Scentre Group Trust 1/ Scentre Group Trust 2
4.375%, 05/28/2030 (B)(C)		1,135		1,310
3.625%, 01/28/2026 (C)		2,884		3,098
Societe Generale
3.625%, 03/01/2041 (C)		1,370		1,411
Societe Generale MTN
2.625%, 01/22/2025 (C)		1,345		1,383
Standard Chartered PLC
5.700%, 03/26/2044 (B)(C)		427		550
5.200%, 01/26/2024 (C)		410		439
State Street
3.300%, 12/16/2024		310		330
Stewart Information Services
3.600%, 11/15/2031		1,033		1,050
Sumitomo Mitsui Financial Group
1.902%, 09/17/2028		4,805		4,700
1.402%, 09/17/2026		3,090		3,026

102

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Swedbank
1.300%, 06/02/2023 (C)	$	930	$	938
Teachers Insurance & Annuity Association of America
6.850%, 12/16/2039 (C)		148		222
4.900%, 09/15/2044 (C)		600		790
4.270%, 05/15/2047 (C)		175		216
3.300%, 05/15/2050 (C)		2,360		2,485
Toronto-Dominion Bank MTN
1.250%, 09/10/2026		3,826		3,759
1.150%, 06/12/2025		730		726
0.750%, 06/12/2023		1,430		1,431
Travelers
4.600%, 08/01/2043		50		65
Truist Bank
3.800%, 10/30/2026		250		274
Trust Fibra Uno
6.390%, 01/15/2050 (C)		956		1,102
5.250%, 01/30/2026 (C)		1,164		1,270
UBS AG/London
1.750%, 04/21/2022 (C)		1,310		1,316
UBS Group
4.253%, 03/23/2028 (C)		1,490		1,648
4.125%, 09/24/2025 (C)		1,010		1,100
3.491%, 05/23/2023 (C)		1,710		1,732
2.859%, VAR ICE LIBOR USD 3 Month + 0.954%, 08/15/2023 (C)		240		243
US Bancorp
1.450%, 05/12/2025		1,610		1,622
US Bancorp MTN
3.600%, 09/11/2024		160		171
2.950%, 07/15/2022		497		504
Validus Holdings
8.875%, 01/26/2040		1,460		2,439
WEA Finance LLC / Westfield UK & Europe Finance PLC
3.750%, 09/17/2024 (C)		1,370		1,443
Wells Fargo
7.950%, 11/15/2029		925		1,251
5.606%, 01/15/2044		700		946
5.375%, 11/02/2043		220		291
4.480%, 01/16/2024		392		419
3.000%, 10/23/2026		1,640		1,726
2.188%, VAR United States Secured Overnight Financing Rate + 2.000%, 04/30/2026		9,725		9,930
Wells Fargo MTN
5.013%, VAR United States Secured Overnight Financing Rate + 4.502%, 04/04/2051		6,490		8,977
4.900%, 11/17/2045		1,310		1,671
4.750%, 12/07/2046		2,365		2,988
4.650%, 11/04/2044		560		684

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.478%, VAR United States Secured Overnight Financing Rate + 4.032%, 04/04/2031	$	6,635	$	7,667
4.400%, 06/14/2046		220		263
4.300%, 07/22/2027		1,180		1,312
4.150%, 01/24/2029		1,450		1,620
3.750%, 01/24/2024		360		379
3.584%, VAR ICE LIBOR USD 3 Month + 1.310%, 05/22/2028		2,075		2,234
3.500%, 03/08/2022		42		42
3.450%, 02/13/2023		685		706
3.196%, VAR ICE LIBOR USD 3 Month + 1.170%, 06/17/2027		3,675		3,886
2.879%, VAR United States Secured Overnight Financing Rate + 1.432%, 10/30/2030		2,530		2,624
2.572%, VAR United States Secured Overnight Financing Rate + 1.262%, 02/11/2031		415		421
2.406%, VAR United States Secured Overnight Financing Rate + 1.087%, 10/30/2025		2,570		2,639
2.393%, VAR United States Secured Overnight Financing Rate + 2.100%, 06/02/2028		2,410		2,441
2.164%, VAR ICE LIBOR USD 3 Month + 0.750%, 02/11/2026		1,480		1,510
Westpac Banking
3.133%, 11/18/2041		385		381
3.020%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.530%, 11/18/2036		385		383
2.668%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.750%, 11/15/2035		840		823
1.953%, 11/20/2028		3,080		3,065
				860,574
Health Care — 2.5%
Abbott Laboratories
4.900%, 11/30/2046		840		1,168
4.750%, 11/30/2036		440		564
3.750%, 11/30/2026		406		447
AbbVie
4.550%, 03/15/2035		2,800		3,343
4.500%, 05/14/2035		1,399		1,657
4.450%, 05/14/2046		562		682
4.400%, 11/06/2042		2,350		2,816
4.300%, 05/14/2036		554		645
4.250%, 11/14/2028		795		894
4.250%, 11/21/2049		6,362		7,652
4.050%, 11/21/2039		888		1,016
3.800%, 03/15/2025		700		748

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

103

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.750%, 11/14/2023	$	160	$	168
3.600%, 05/14/2025		1,605		1,710
3.450%, 03/15/2022		470		472
3.200%, 05/14/2026		145		153
3.200%, 11/21/2029		2,245		2,382
2.950%, 11/21/2026		610		642
2.900%, 11/06/2022		350		357
2.600%, 11/21/2024		2,760		2,861
2.300%, 11/21/2022		5,300		5,380
Amgen
6.375%, 06/01/2037		1,785		2,520
5.150%, 11/15/2041		316		406
4.663%, 06/15/2051		104		133
4.400%, 05/01/2045		900		1,082
3.625%, 05/22/2024		220		232
3.150%, 02/21/2040		880		895
3.000%, 01/15/2052		2,821		2,755
2.000%, 01/15/2032		3,445		3,307
1.650%, 08/15/2028		3,082		2,994
Anthem
4.625%, 05/15/2042		219		273
3.650%, 12/01/2027		330		359
3.500%, 08/15/2024		1,950		2,058
3.350%, 12/01/2024		1,190		1,259
3.300%, 01/15/2023		133		137
3.125%, 05/15/2022		740		749
2.950%, 12/01/2022		560		572
Astrazeneca Finance LLC
1.750%, 05/28/2028		2,703		2,682
AstraZeneca PLC
3.000%, 05/28/2051		782		828
2.125%, 08/06/2050		383		342
Baxalta
3.600%, 06/23/2022		870		880
Baxter International
3.950%, 04/01/2030		890		992
BayCare Health System
3.831%, 11/15/2050		2,765		3,413
Bayer US Finance II LLC
4.875%, 06/25/2048 (C)		2,228		2,814
4.700%, 07/15/2064 (C)		400		479
4.625%, 06/25/2038 (C)		2,097		2,499
4.400%, 07/15/2044 (C)		2,750		3,138
Becton Dickinson
4.685%, 12/15/2044		469		585
3.734%, 12/15/2024		446		476
3.363%, 06/06/2024		531		557
1.957%, 02/11/2031		3,000		2,885
Biogen
3.625%, 09/15/2022		815		834
3.250%, 02/15/2051 (C)		280		279

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Bristol-Myers Squibb
5.000%, 08/15/2045	$	99	$	133
3.875%, 08/15/2025		566		613
3.550%, 08/15/2022		550		562
3.400%, 07/26/2029		815		893
3.200%, 06/15/2026		1,170		1,258
2.900%, 07/26/2024		1,352		1,414
2.600%, 05/16/2022		830		839
2.550%, 11/13/2050		1,609		1,532
Centene
3.000%, 10/15/2030		6,457		6,447
2.500%, 03/01/2031		252		241
2.450%, 07/15/2028		4,170		4,092
Cigna
4.800%, 08/15/2038		1,281		1,570
4.375%, 10/15/2028		1,120		1,269
4.125%, 11/15/2025		450		491
3.875%, 10/15/2047		770		861
3.750%, 07/15/2023		715		746
3.400%, 03/15/2050		250		263
3.400%, 03/15/2051		1,050		1,113
3.250%, 04/15/2025		1,000		1,052
CommonSpirit Health
4.350%, 11/01/2042		1,385		1,614
4.187%, 10/01/2049		2,025		2,401
CVS Health
5.125%, 07/20/2045		170		222
5.050%, 03/25/2048		9,248		12,220
4.780%, 03/25/2038		1,205		1,468
4.300%, 03/25/2028		2,406		2,709
4.250%, 04/01/2050		630		767
4.125%, 04/01/2040		240		274
3.875%, 07/20/2025		929		1,001
3.750%, 04/01/2030		1,835		2,012
3.700%, 03/09/2023		297		307
3.625%, 04/01/2027		1,470		1,589
3.375%, 08/12/2024		95		100
3.000%, 08/15/2026		825		870
2.750%, 12/01/2022		230		233
2.700%, 08/21/2040		1,209		1,157
2.125%, 09/15/2031		660		643
Danaher
2.600%, 10/01/2050		911		888
DH Europe Finance II Sarl
2.200%, 11/15/2024		2,101		2,157
2.050%, 11/15/2022		1,220		1,237
Gilead Sciences
4.750%, 03/01/2046		40		51
4.600%, 09/01/2035		2,000		2,408
4.000%, 09/01/2036		683		782
3.700%, 04/01/2024		1,540		1,621
3.650%, 03/01/2026		890		959

104

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.800%, 10/01/2050	$	877	$	852
2.600%, 10/01/2040		1,326		1,267
GlaxoSmithKline Capital PLC
2.850%, 05/08/2022		50		51
HCA
5.875%, 02/01/2029		694		815
5.375%, 02/01/2025		5,523		6,024
5.250%, 04/15/2025		750		834
5.250%, 06/15/2026		1,015		1,142
5.250%, 06/15/2049		2,905		3,765
5.000%, 03/15/2024		4,830		5,212
4.125%, 06/15/2029		2,500		2,748
3.500%, 09/01/2030		1,087		1,132
2.375%, 07/15/2031		1,015		991
Health Care Service, A Mutual Legal Reserve
2.200%, 06/01/2030 (C)		2,235		2,211
Humana
4.950%, 10/01/2044		200		260
4.800%, 03/15/2047		50		64
4.500%, 04/01/2025		120		131
3.950%, 03/15/2027		860		939
3.850%, 10/01/2024		2,530		2,698
3.150%, 12/01/2022		190		194
1.350%, 02/03/2027		1,404		1,361
Johnson & Johnson
3.700%, 03/01/2046		970		1,157
2.450%, 09/01/2060		2,085		2,006
0.950%, 09/01/2027		990		965
0.550%, 09/01/2025		490		477
Mass General Brigham
3.192%, 07/01/2049		245		269
Medtronic
4.625%, 03/15/2045		123		164
Merck
1.450%, 06/24/2030		480		459
0.750%, 02/24/2026		840		818
Pfizer
4.000%, 12/15/2036		1,050		1,245
2.800%, 03/11/2022		733		738
2.700%, 05/28/2050		1,400		1,417
2.625%, 04/01/2030		720		755
2.550%, 05/28/2040		2,664		2,653
1.700%, 05/28/2030		680		666
0.800%, 05/28/2025		1,050		1,037
Regeneron Pharmaceuticals
1.750%, 09/15/2030		2,543		2,384
Royalty Pharma PLC
2.200%, 09/02/2030		2,370		2,286
1.750%, 09/02/2027		1,350		1,320
1.200%, 09/02/2025		980		961
0.750%, 09/02/2023		1,650		1,641

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
RWJ Barnabas Health
3.949%, 07/01/2046	$	2,445	$	2,939
STERIS Irish FinCo UnLtd
3.750%, 03/15/2051		3,390		3,748
Takeda Pharmaceutical
3.175%, 07/09/2050		1,910		1,953
3.025%, 07/09/2040		869		883
Thermo Fisher Scientific
4.497%, 03/25/2030		470		558
2.800%, 10/15/2041		614		620
2.000%, 10/15/2031		1,293		1,266
1.750%, 10/15/2028		1,449		1,425
1.215%, 10/18/2024		3,067		3,067
UnitedHealth Group
6.625%, 11/15/2037		200		300
5.800%, 03/15/2036		560		770
4.625%, 07/15/2035		940		1,165
4.450%, 12/15/2048		140		180
4.250%, 06/15/2048		180		225
3.875%, 12/15/2028		250		280
3.875%, 08/15/2059		570		689
3.750%, 07/15/2025		330		357
3.700%, 08/15/2049		140		163
3.500%, 06/15/2023		230		240
3.250%, 05/15/2051		1,287		1,399
3.125%, 05/15/2060		90		94
3.050%, 05/15/2041		2,849		2,970
2.900%, 05/15/2050		2,016		2,062
2.875%, 12/15/2021		450		450
2.875%, 03/15/2023		150		154
2.750%, 05/15/2040		1,864		1,877
2.375%, 10/15/2022		100		102
2.300%, 05/15/2031		2,452		2,483
2.000%, 05/15/2030		220		218
1.250%, 01/15/2026		260		259
Universal Health Services
1.650%, 09/01/2026 (C)		1,260		1,236
Utah Acquisition Sub
3.950%, 06/15/2026		3,180		3,419
Viatris
4.000%, 06/22/2050		1,455		1,568
2.700%, 06/22/2030		305		305
Wyeth LLC
6.450%, 02/01/2024		365		409
5.950%, 04/01/2037		320		454
Zimmer Biomet Holdings
3.550%, 04/01/2025		225		239
				240,885
Industrials — 2.3%
3M
3.700%, 04/15/2050 (B)		300		353

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

105

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.375%, 08/26/2029	$	2,320	$	2,389
AerCap Ireland Capital DAC / AerCap Global Aviation Trust
4.125%, 07/03/2023		262		273
3.500%, 05/26/2022		2,750		2,782
3.500%, 01/15/2025		1,673		1,748
3.300%, 01/30/2032		2,220		2,237
3.000%, 10/29/2028		9,540		9,607
2.450%, 10/29/2026		1,606		1,610
1.750%, 10/29/2024		4,989		4,982
1.650%, 10/29/2024		9,621		9,604
1.150%, 10/29/2023		6,140		6,121
Air Lease
3.500%, 01/15/2022		1,000		1,004
3.375%, 07/01/2025		490		514
3.250%, 03/01/2025		525		547
Air Lease MTN
2.300%, 02/01/2025		605		614
American Airlines Pass-Through Trust, Ser 2015-1, Cl A
3.375%, 05/01/2027		95		96
Boeing
7.250%, 06/15/2025		107		126
5.930%, 05/01/2060		550		760
5.805%, 05/01/2050		2,646		3,569
5.705%, 05/01/2040		1,374		1,755
5.150%, 05/01/2030		2,007		2,328
5.040%, 05/01/2027		355		400
4.875%, 05/01/2025		2,290		2,510
4.508%, 05/01/2023		2,225		2,323
3.750%, 02/01/2050		2,058		2,134
3.625%, 02/01/2031		1,651		1,754
3.250%, 02/01/2028		1,643		1,706
3.250%, 02/01/2035		3,169		3,162
3.200%, 03/01/2029		720		744
3.100%, 05/01/2026		230		239
2.800%, 03/01/2027		280		286
2.700%, 02/01/2027		1,165		1,188
2.196%, 02/04/2026		4,833		4,823
1.433%, 02/04/2024		5,034		5,034
Burlington Northern Santa Fe LLC
7.290%, 06/01/2036		200		301
4.550%, 09/01/2044		1,220		1,550
3.650%, 09/01/2025		140		151
3.050%, 09/01/2022		300		304
2.875%, 06/15/2052		759		768
Canadian Pacific Railway
6.125%, 09/15/2115		34		51
3.100%, 12/02/2051		987		1,015
3.000%, 12/02/2041		607		618
2.450%, 12/02/2031		3,759		3,805
1.750%, 12/02/2026		1,898		1,899

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.350%, 12/02/2024	$	5,695	$	5,690
Carrier Global
3.577%, 04/05/2050		70		74
Caterpillar
4.300%, 05/15/2044		50		64
Cintas No. 2
3.700%, 04/01/2027		590		644
2.900%, 04/01/2022		610		613
Continental Airlines Pass-Through Trust, Ser 2007-1, Cl A
5.983%, 04/19/2022		1,190		1,208
Continental Airlines Pass-Through Trust, Ser 2007-1, Cl B
6.903%, 04/19/2022		3		3
Continental Airlines Pass-Through Trust, Ser 2012-2, Cl A
4.000%, 10/29/2024		47		49
CoStar Group
2.800%, 07/15/2030 (C)		1,485		1,506
Crowley Conro LLC
4.181%, 08/15/2043		810		947
Deere
3.750%, 04/15/2050		920		1,115
3.100%, 04/15/2030		160		173
Delta Air Lines Pass-Through Trust, Ser 2020-1, Cl AA
2.000%, 06/10/2028		2,821		2,782
Delta Air Lines/Skymiles LP
4.750%, 10/20/2028 (C)		5,784		6,338
4.500%, 10/20/2025 (C)		4,440		4,655
Eaton
7.625%, 04/01/2024		325		369
4.150%, 11/02/2042		530		632
4.000%, 11/02/2032		99		114
2.750%, 11/02/2022		1,740		1,774
Equifax
3.950%, 06/15/2023		3,015		3,148
2.600%, 12/15/2025		445		461
GE Capital Funding LLC
4.400%, 05/15/2030 (B)		1,615		1,919
3.450%, 05/15/2025		805		859
GE Capital International Funding Unlimited
4.418%, 11/15/2035		15,433		18,653
General Dynamics
4.250%, 04/01/2040		1,915		2,337
4.250%, 04/01/2050		230		298
General Electric
3.625%, 05/01/2030		310		349
3.450%, 05/01/2027		150		163
General Electric MTN
6.875%, 01/10/2039		202		316
6.750%, 03/15/2032		190		263

106

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.450%, 05/15/2024	$	140	$	148
0.636%, VAR ICE LIBOR USD 3 Month + 0.480%, 08/15/2036		3,035		2,651
Honeywell International
1.950%, 06/01/2030		2,035		2,032
1.350%, 06/01/2025		510		512
Howmet Aerospace
3.000%, 01/15/2029		2,265		2,174
IHS Markit
5.000%, 11/01/2022 (C)		3,000		3,085
4.750%, 02/15/2025 (C)		1,000		1,091
4.750%, 08/01/2028		1,000		1,157
3.625%, 05/01/2024		1,550		1,623
ILFC E-Capital Trust II
3.710%, VAR ICE LIBOR USD 3 Month + 1.800%, 12/21/2065 (C)		1,200		1,044
JetBlue Pass-Through Trust, Ser 2019-1, Cl AA
2.750%, 05/15/2032		155		159
John Deere Capital MTN
2.150%, 09/08/2022		145		147
1.200%, 04/06/2023		1,807		1,821
0.550%, 07/05/2022		2,347		2,351
L3Harris Technologies
5.054%, 04/27/2045		330		437
4.854%, 04/27/2035		210		257
Lockheed Martin
3.550%, 01/15/2026		1,440		1,558
3.100%, 01/15/2023		110		113
Northrop Grumman
5.250%, 05/01/2050		3,940		5,587
4.030%, 10/15/2047		795		951
3.850%, 04/15/2045		350		403
3.250%, 08/01/2023		2,238		2,326
3.250%, 01/15/2028		1,861		1,986
2.930%, 01/15/2025		2,020		2,110
Otis Worldwide
3.112%, 02/15/2040		1,185		1,220
2.056%, 04/05/2025		340		346
Parker-Hannifin
2.700%, 06/14/2024		830		862
Penske Truck Leasing LP / PTL Finance
3.950%, 03/10/2025 (C)		225		241
Quanta Services
0.950%, 10/01/2024		1,857		1,838
Raytheon Technologies
4.500%, 06/01/2042		560		692
4.125%, 11/16/2028		480		539
3.950%, 08/16/2025		800		867
3.150%, 12/15/2024		320		336
3.125%, 07/01/2050		1,290		1,337
2.250%, 07/01/2030		680		679

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Republic Services
4.750%, 05/15/2023	$	119	$	125
2.500%, 08/15/2024		2,035		2,101
1.450%, 02/15/2031		4,370		4,073
Roper Technologies
1.000%, 09/15/2025		940		918
Siemens Financieringsmaatschappij
1.200%, 03/11/2026 (C)		2,830		2,782
Southwest Airlines
5.125%, 06/15/2027		1,850		2,107
Triton Container International
2.050%, 04/15/2026 (C)		1,490		1,478
Union Pacific
3.839%, 03/20/2060		970		1,159
3.750%, 07/15/2025		530		573
3.750%, 02/05/2070		700		814
3.250%, 02/05/2050		2,535		2,736
2.891%, 04/06/2036		835		872
2.400%, 02/05/2030		1,502		1,538
2.150%, 02/05/2027		1,483		1,517
United Parcel Service
5.300%, 04/01/2050		345		515
5.200%, 04/01/2040		525		712
2.350%, 05/16/2022		235		237
US Airways Pass-Through Trust, Ser 2012-1, Cl A
5.900%, 10/01/2024		23		24
US Airways Pass-Through Trust, Ser 2012-2, Cl A
4.625%, 06/03/2025		2,618		2,626
				218,887
Information Technology — 2.0%
Adobe
2.300%, 02/01/2030		1,300		1,326
Analog Devices
2.100%, 10/01/2031		1,529		1,532
1.700%, 10/01/2028		1,150		1,149
Apple
4.650%, 02/23/2046		2,460		3,258
4.375%, 05/13/2045		1,275		1,634
3.850%, 05/04/2043		375		445
3.450%, 05/06/2024		350		370
2.850%, 08/05/2061		1,528		1,539
2.700%, 08/05/2051		1,381		1,381
2.650%, 05/11/2050		1,889		1,868
2.650%, 02/08/2051		1,917		1,899
2.550%, 08/20/2060		1,795		1,705
2.450%, 08/04/2026		2,560		2,667
2.400%, 05/03/2023		95		97
2.375%, 02/08/2041		624		611
2.150%, 02/09/2022		90		90

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

107

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
1.700%, 08/05/2031	$	2,296	$	2,236
1.400%, 08/05/2028		5,643		5,513
1.125%, 05/11/2025		1,720		1,716
Applied Materials
1.750%, 06/01/2030		1,070		1,053
Avnet
4.875%, 12/01/2022		1,570		1,632
Broadcom
4.150%, 11/15/2030		3,346		3,656
3.469%, 04/15/2034 (C)		1,975		2,035
3.419%, 04/15/2033 (C)		4,843		4,991
3.150%, 11/15/2025		1,001		1,050
3.137%, 11/15/2035 (C)		2,980		2,929
2.450%, 02/15/2031 (C)		1,338		1,288
Broadcom/Broadcom Cayman Finance Ltd
3.875%, 01/15/2027		576		620
Corning
5.450%, 11/15/2079		1,555		2,124
Dell International LLC/EMC
8.350%, 07/15/2046		821		1,371
6.100%, 07/15/2027		778		937
4.900%, 10/01/2026		388		438
Global Payments
2.900%, 11/15/2031		1,519		1,537
2.150%, 01/15/2027		2,279		2,279
1.500%, 11/15/2024		4,624		4,616
HP
2.200%, 06/17/2025		2,464		2,520
Intel
4.750%, 03/25/2050		2,480		3,352
3.734%, 12/08/2047		119		137
3.250%, 11/15/2049		660		703
3.200%, 08/12/2061		622		645
3.100%, 07/29/2022		75		76
3.050%, 08/12/2051		2,960		3,066
2.800%, 08/12/2041		1,232		1,240
2.000%, 08/12/2031 (B)		3,008		2,972
1.600%, 08/12/2028		2,578		2,541
International Business Machines
3.000%, 05/15/2024		2,340		2,448
KLA
3.300%, 03/01/2050		1,041		1,128
Kyndryl Holdings
2.050%, 10/15/2026 (C)		2,500		2,439
Lam Research
3.800%, 03/15/2025		150		162
Marvell Technology
1.650%, 04/15/2026		2,010		1,997
Mastercard
3.850%, 03/26/2050		2,850		3,410
3.375%, 04/01/2024		240		254

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Microsoft
4.100%, 02/06/2037	$	245	$	302
3.500%, 02/12/2035		460		528
3.450%, 08/08/2036		1,622		1,864
3.300%, 02/06/2027		1,570		1,702
3.041%, 03/17/2062		281		303
2.921%, 03/17/2052		646		688
2.875%, 02/06/2024		970		1,010
2.700%, 02/12/2025		360		377
2.675%, 06/01/2060		309		308
2.525%, 06/01/2050		240		238
2.400%, 08/08/2026		2,510		2,618
2.375%, 02/12/2022		50		50
2.375%, 05/01/2023		50		51
NVIDIA
3.700%, 04/01/2060		680		812
3.500%, 04/01/2040		990		1,119
3.500%, 04/01/2050		2,010		2,322
2.850%, 04/01/2030		2,800		2,973
NXP BV/ NXP Funding LLC/ NXP USA
3.875%, 06/18/2026 (C)		3,274		3,548
3.250%, 05/11/2041 (C)		837		858
3.150%, 05/01/2027 (C)		763		800
2.700%, 05/01/2025 (C)		430		445
Oracle
4.375%, 05/15/2055		810		930
4.300%, 07/08/2034		285		322
3.950%, 03/25/2051		5,689		6,130
3.900%, 05/15/2035		3,620		3,939
3.800%, 11/15/2037		4,295		4,576
3.650%, 03/25/2041		794		826
3.600%, 04/01/2040		3,019		3,128
3.600%, 04/01/2050		621		628
2.950%, 11/15/2024		675		705
2.950%, 05/15/2025		695		727
2.950%, 04/01/2030		1,285		1,327
2.875%, 03/25/2031		3,051		3,123
2.800%, 04/01/2027		2,964		3,071
2.300%, 03/25/2028		833		838
1.650%, 03/25/2026		1,950		1,940
PayPal Holdings
2.300%, 06/01/2030		5,500		5,575
1.650%, 06/01/2025		640		646
1.350%, 06/01/2023		620		626
QUALCOMM
1.650%, 05/20/2032		119		113
salesforce.com
3.250%, 04/11/2023		740		764
Texas Instruments
4.150%, 05/15/2048		1,250		1,601
1.750%, 05/04/2030		440		433
1.125%, 09/15/2026 (B)		767		759

108

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
TSMC Arizona
3.250%, 10/25/2051	$	955	$	1,027
2.500%, 10/25/2031		3,950		4,026
1.750%, 10/25/2026		3,310		3,323
TSMC Global
1.375%, 09/28/2030 (C)		4,320		4,036
Visa
4.300%, 12/14/2045		810		1,025
3.150%, 12/14/2025		660		706
VMware
4.700%, 05/15/2030		1,537		1,784
3.900%, 08/21/2027		304		331
1.800%, 08/15/2028		1,670		1,627
1.400%, 08/15/2026		3,039		2,970
1.000%, 08/15/2024		2,660		2,641
0.600%, 08/15/2023		3,798		3,776
Vontier
2.950%, 04/01/2031 (C)		925		913
1.800%, 04/01/2026 (C)		1,170		1,147
				187,657
Materials — 0.8%
Amcor Finance USA
3.625%, 04/28/2026		2,000		2,149
Anglo American Capital PLC
4.000%, 09/11/2027 (C)		280		302
3.625%, 09/11/2024 (C)		1,810		1,909
Barrick Gold
5.250%, 04/01/2042		740		971
Barrick North America Finance LLC
5.700%, 05/30/2041		470		641
Berry Global
4.875%, 07/15/2026 (C)		3,270		3,393
1.570%, 01/15/2026		1,010		989
BHP Billiton Finance USA
5.000%, 09/30/2043		40		53
2.875%, 02/24/2022		79		79
Dow Chemical
4.800%, 05/15/2049		925		1,199
3.600%, 11/15/2050		1,528		1,676
DuPont de Nemours
4.493%, 11/15/2025		3,605		3,988
Equate Petrochemical MTN
4.250%, 11/03/2026 (C)		1,640		1,777
2.625%, 04/28/2028 (C)		2,250		2,237
Glencore Funding LLC
4.125%, 05/30/2023 (C)		50		52
4.000%, 03/27/2027 (C)		1,570		1,690
Industrias Penoles
4.150%, 09/12/2029 (C)		2,290		2,452
International Flavors and Fragrances
5.000%, 09/26/2048		2,365		3,120

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.300%, 11/01/2030 (C)	$	4,800	$	4,694
1.230%, 10/01/2025 (C)		4,110		4,038
LYB International Finance III LLC
3.625%, 04/01/2051		2,267		2,419
3.375%, 10/01/2040		2,292		2,384
Nacional del Cobre de Chile
4.250%, 07/17/2042 (C)		1,790		1,951
3.625%, 08/01/2027 (C)		2,770		2,932
Newcrest Finance Pty
3.250%, 05/13/2030 (C)		1,140		1,208
OCP
4.500%, 10/22/2025 (C)		1,860		1,955
Orbia Advance
2.875%, 05/11/2031 (C)		1,340		1,306
1.875%, 05/11/2026 (C)		1,410		1,378
Sealed Air
1.573%, 10/15/2026 (C)		1,600		1,560
Southern Copper
5.250%, 11/08/2042		4,540		5,644
Suzano Austria GmbH
6.000%, 01/15/2029		2,540		2,872
Teck Resources
6.250%, 07/15/2041		880		1,161
6.125%, 10/01/2035		782		1,016
5.200%, 03/01/2042		904		1,080
Vale Overseas
6.875%, 11/21/2036		1,595		2,066
6.250%, 08/10/2026		2,290		2,607
Westlake Chemical
3.600%, 08/15/2026		837		904
3.125%, 08/15/2051		2,736		2,668
WestRock RKT LLC
4.000%, 03/01/2023		330		340
				74,860
Real Estate — 1.0%
Agree
2.600%, 06/15/2033		379		374
2.000%, 06/15/2028		1,670		1,650
American Campus Communities Operating Partnership
3.750%, 04/15/2023		2,255		2,325
2.250%, 01/15/2029		1,149		1,139
American Tower
1.875%, 10/15/2030		3,215		3,031
AvalonBay Communities MTN
4.350%, 04/15/2048		235		305
2.450%, 01/15/2031		2,490		2,555
Boston Properties
3.800%, 02/01/2024		2,000		2,098
3.400%, 06/21/2029		1,510		1,608
2.900%, 03/15/2030		125		128

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

109

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Brixmor Operating Partnership
2.500%, 08/16/2031	$	927	$	903
2.250%, 04/01/2028		534		535
Camden Property Trust
2.800%, 05/15/2030		925		972
CC Holdings GS V LLC / Crown Castle GS III
3.849%, 04/15/2023		580		602
Crown Castle International
4.000%, 03/01/2027		381		416
2.900%, 04/01/2041		1,072		1,033
2.500%, 07/15/2031		1,678		1,657
2.100%, 04/01/2031		4,244		4,052
1.050%, 07/15/2026		2,296		2,216
CyrusOne/CyrusOne Finance
3.450%, 11/15/2029		950		1,013
2.900%, 11/15/2024		2,682		2,782
2.150%, 11/01/2030		280		275
Equinix
2.950%, 09/15/2051		1,895		1,817
Essential Properties
2.950%, 07/15/2031		2,595		2,589
Essex Portfolio
2.550%, 06/15/2031		790		797
1.700%, 03/01/2028		3,662		3,575
Extra Space Storage
2.350%, 03/15/2032		688		668
Federal Realty Investment Trust
3.950%, 01/15/2024		1,060		1,117
GLP Capital LP / GLP Financing II
5.750%, 06/01/2028		1,250		1,444
5.375%, 11/01/2023		839		892
5.375%, 04/15/2026		1,555		1,725
5.300%, 01/15/2029		2,547		2,907
5.250%, 06/01/2025		2,330		2,564
4.000%, 01/15/2030		990		1,043
Healthcare Realty Trust
3.875%, 05/01/2025		1,455		1,554
Healthcare Trust of America Holdings
3.500%, 08/01/2026		1,010		1,084
Healthpeak Properties
2.125%, 12/01/2028		761		760
Hudson Pacific Properties
4.650%, 04/01/2029		3,200		3,647
Kilroy Realty
2.650%, 11/15/2033		5,189		5,065
Life Storage
3.875%, 12/15/2027		935		1,036
Mid-America Apartments
4.300%, 10/15/2023		786		827
4.000%, 11/15/2025		939		1,024
3.950%, 03/15/2029		768		862

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Piedmont Operating Partnership
4.450%, 03/15/2024	$	125	$	132
Realty Income
3.400%, 01/15/2028		821		883
2.850%, 12/15/2032		1,121		1,169
2.200%, 06/15/2028		829		837
Regency Centers
2.950%, 09/15/2029		1,666		1,731
Rexford Industrial Realty
2.150%, 09/01/2031		849		812
Sabra Health Care
3.900%, 10/15/2029		1,335		1,408
Simon Property Group LP
2.450%, 09/13/2029		1,915		1,943
SL Green Operating Partnership
3.250%, 10/15/2022		3,000		3,043
SL Green Realty
4.500%, 12/01/2022 (B)		500		512
Spirit Realty
3.400%, 01/15/2030		923		966
2.700%, 02/15/2032		458		457
2.100%, 03/15/2028		1,526		1,496
STORE Capital
4.625%, 03/15/2029		978		1,105
4.500%, 03/15/2028		2,895		3,214
2.750%, 11/18/2030		1,357		1,364
2.700%, 12/01/2031		533		525
Sun Communities Operating LP
2.300%, 11/01/2028		767		765
Ventas Realty
3.000%, 01/15/2030		1,500		1,551
Welltower
4.500%, 01/15/2024		183		194
				92,773
Utilities — 2.0%
Abu Dhabi National Energy PJSC MTN
3.400%, 04/29/2051 (C)		1,850		1,924
2.000%, 04/29/2028 (C)		2,830		2,791
AES
1.375%, 01/15/2026		1,651		1,603
Alabama Power
3.700%, 12/01/2047		2,745		3,087
American Transmission Systems
2.650%, 01/15/2032 (C)		531		536
Appalachian Power
4.500%, 03/01/2049		60		75
4.450%, 06/01/2045		1,600		1,928
Baltimore Gas and Electric
2.250%, 06/15/2031		1,142		1,139
Berkshire Hathaway Energy
2.850%, 05/15/2051		3,035		2,951

110

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Black Hills
3.875%, 10/15/2049	$	688	$	769
Boston Gas
4.487%, 02/15/2042 (C)		140		161
Comision Federal de Electricidad
4.875%, 01/15/2024 (C)		300		318
4.750%, 02/23/2027 (C)		1,410		1,553
3.875%, 07/26/2033 (C)		1,059		1,011
Consolidated Edison of New York
4.650%, 12/01/2048		2,000		2,497
4.450%, 03/15/2044		2,375		2,832
3.950%, 04/01/2050		210		245
3.350%, 04/01/2030		260		280
Consumers Energy
2.650%, 08/15/2052		841		833
2.500%, 05/01/2060		649		590
Dominion Energy
3.300%, 04/15/2041		237		249
3.071%, 08/15/2024		1,800		1,874
1.450%, 04/15/2026		970		959
DTE Electric
2.950%, 03/01/2050		1,333		1,383
DTE Energy
2.950%, 03/01/2030		1,025		1,063
2.529%, 10/01/2024		1,775		1,834
1.050%, 06/01/2025		4,032		3,963
Duke Energy
3.500%, 06/15/2051		458		480
3.150%, 08/15/2027		850		893
2.550%, 06/15/2031		7,082		7,048
2.400%, 08/15/2022		1,380		1,396
0.900%, 09/15/2025		1,955		1,903
Duke Energy Carolinas LLC
4.250%, 12/15/2041		1,000		1,191
4.000%, 09/30/2042		1,512		1,764
2.550%, 04/15/2031		775		791
Duke Energy Florida LLC
3.850%, 11/15/2042		720		820
3.200%, 01/15/2027		1,600		1,710
2.400%, 12/15/2031		1,138		1,145
Duke Energy Indiana LLC
2.750%, 04/01/2050		1,205		1,166
Duke Energy Progress LLC
4.150%, 12/01/2044		250		300
2.800%, 05/15/2022		215		216
2.500%, 08/15/2050		1,150		1,076
Entergy Arkansas LLC
2.650%, 06/15/2051		2,810		2,685
Entergy Texas
3.450%, 12/01/2027		1,625		1,727
Evergy
5.292%, 06/15/2022		1,216		1,232

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Evergy Metro
5.300%, 10/01/2041	$	250	$	331
Eversource Energy
2.900%, 10/01/2024		3,730		3,878
1.400%, 08/15/2026		1,158		1,139
Exelon
5.625%, 06/15/2035		1,720		2,207
3.950%, 06/15/2025		1,395		1,498
FirstEnergy
7.375%, 11/15/2031		4,905		6,560
4.750%, 03/15/2023		2,040		2,097
4.400%, 07/15/2027		1,310		1,401
1.600%, 01/15/2026		300		294
Florida Power and Light
3.250%, 06/01/2024		455		475
2.875%, 12/04/2051		380		394
Interstate Power and Light
3.500%, 09/30/2049		471		519
3.100%, 11/30/2051		95		97
ITC Holdings
4.050%, 07/01/2023		2,075		2,158
2.700%, 11/15/2022		1,549		1,576
Jersey Central Power & Light
2.750%, 03/01/2032 (C)		1,797		1,832
KeySpan Gas East
2.742%, 08/15/2026 (C)		1,175		1,205
Metropolitan Edison
4.300%, 01/15/2029 (C)		1,713		1,907
4.000%, 04/15/2025 (C)		1,000		1,060
3.500%, 03/15/2023 (C)		5,050		5,172
MidAmerican Energy
4.800%, 09/15/2043		1,500		1,937
3.650%, 04/15/2029		1,330		1,463
2.700%, 08/01/2052		990		991
Mississippi Power
4.250%, 03/15/2042		524		618
3.950%, 03/30/2028		1,889		2,072
3.100%, 07/30/2051		1,369		1,385
NextEra Energy Capital Holdings
0.650%, 03/01/2023		1,095		1,094
0.430%, VAR ICE LIBOR USD 3 Month + 0.270%, 02/22/2023		5,000		4,992
NiSource
5.800%, 02/01/2042		471		634
Northern States Power
3.200%, 04/01/2052		771		845
NSTAR Electric
3.100%, 06/01/2051		704		761
Oncor Electric Delivery LLC
2.750%, 05/15/2030		1,950		2,039
2.700%, 11/15/2051 (C)		734		726

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

111

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Pacific Gas and Electric
4.950%, 07/01/2050	$	1,542	$	1,731
4.750%, 02/15/2044		381		397
4.500%, 07/01/2040		391		409
4.200%, 06/01/2041		661		673
3.950%, 12/01/2047		1,732		1,713
3.500%, 08/01/2050		220		209
3.300%, 08/01/2040		90		86
2.500%, 02/01/2031		2,795		2,671
2.100%, 08/01/2027		4,529		4,360
1.750%, 06/16/2022		1,100		1,099
1.700%, 11/15/2023		2,910		2,907
PacifiCorp
2.900%, 06/15/2052		3,576		3,559
PECO Energy
4.150%, 10/01/2044		1,985		2,402
2.850%, 09/15/2051		1,377		1,380
Pennsylvania Electric
3.250%, 03/15/2028 (C)		649		673
Perusahaan Perseroan Persero PT Perusahaan Listrik Negara MTN
6.150%, 05/21/2048 (C)		2,090		2,581
5.450%, 05/21/2028 (C)		1,030		1,178
4.125%, 05/15/2027 (C)		1,990		2,124
Piedmont Natural Gas
2.500%, 03/15/2031		3,150		3,139
Progress Energy
6.000%, 12/01/2039		200		277
Public Service Electric and Gas MTN
3.700%, 05/01/2028		3,090		3,429
2.700%, 05/01/2050		768		782
2.050%, 08/01/2050		317		284
1.900%, 08/15/2031		1,529		1,508
Public Service Enterprise Group
2.450%, 11/15/2031		1,383		1,369
1.600%, 08/15/2030		879		821
Public Service of Colorado
1.875%, 06/15/2031		1,756		1,703
Public Service of Oklahoma
3.150%, 08/15/2051		771		786
2.200%, 08/15/2031		1,158		1,128
Sempra Energy
2.900%, 02/01/2023		1,240		1,268
Southern California Edison
4.125%, 03/01/2048		857		975
Southern California Gas
2.550%, 02/01/2030		1,840		1,896
Southern Gas Capital
3.250%, 06/15/2026		1,550		1,639
1.750%, 01/15/2031		1,205		1,127
Southwestern Electric Power
3.250%, 11/01/2051		597		601

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.750%, 10/01/2026	$	1,000	$	1,044
1.650%, 03/15/2026		3,990		3,971
Southwestern Public Service
3.750%, 06/15/2049		2,000		2,352
Trans-Allegheny Interstate Line
3.850%, 06/01/2025 (C)		540		574
Virginia Electric and Power
4.650%, 08/15/2043		1,205		1,533
3.450%, 02/15/2024		150		156
2.450%, 12/15/2050		443		416
Vistra Operations LLC
4.300%, 07/15/2029 (C)		2,725		2,919
WEC Energy Group
1.375%, 10/15/2027		1,111		1,075
0.800%, 03/15/2024		3,416		3,389
Wisconsin Electric Power
1.700%, 06/15/2028		670		660
				192,321
Total Corporate Obligations
(Cost $2,627,577) ($ Thousands)				2,729,865
MORTGAGE-BACKED SECURITIES — 29.3%
Agency Mortgage-Backed Obligations — 24.3%
FHLMC
10.000%, 03/17/2026		–		–
7.500%, 08/01/2030 to 12/01/2036		230		261
7.000%, 05/01/2024 to 03/01/2039		75		85
6.500%, 10/01/2031 to 09/01/2039		562		638
6.000%, 01/01/2028 to 08/01/2038		320		360
5.500%, 02/01/2035 to 12/01/2038		1,415		1,636
5.000%, 08/01/2033 to 03/01/2049		8,346		9,317
4.500%, 11/01/2025 to 06/01/2050		9,213		10,094
4.000%, 01/01/2035 to 10/01/2051		37,423		40,839
3.500%, 03/01/2033 to 12/01/2051		93,831		100,240
3.000%, 03/01/2031 to 12/01/2051		102,683		107,709
2.500%, 10/01/2031 to 09/01/2051		22,852		23,756
2.000%, 03/01/2036 to 11/01/2051		48,129		48,694
FHLMC ARM
3.090%, VAR ICE LIBOR USD 12 Month + 1.622%, 02/01/2050		1,219		1,264
3.016%, VAR ICE LIBOR USD 12 Month + 1.628%, 11/01/2048		4,088		4,233
2.875%, VAR ICE LIBOR USD 12 Month + 1.620%, 11/01/2047		1,482		1,530
2.817%, VAR ICE LIBOR USD 12 Month + 1.640%, 05/01/2049		1,064		1,095
2.617%, VAR ICE LIBOR USD 12 Month + 2.330%, 05/01/2036		32		34

112

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
2.251%, VAR ICE LIBOR USD 12 Month + 1.925%, 12/01/2036	$	49	$	51
2.078%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.285%, 03/01/2047		650		667
1.845%, VAR ICE LIBOR USD 12 Month + 1.595%, 10/01/2036		11		11
FHLMC Multiclass Certificates, Ser 2020-RR02, Cl BX, IO
1.666%, 08/27/2028(F)		2,000		196
FHLMC Multiclass Certificates, Ser P009, Cl A2
1.878%, 01/25/2031		975		995
FHLMC Multifamily Structured Pass-Through Certificates, Ser 1519, Cl X1, IO
0.706%, 12/25/2035(F)		16,223		1,052
FHLMC Multifamily Structured Pass-Through Certificates, Ser K032, Cl X1, IO
0.186%, 05/25/2023(F)		57,548		79
FHLMC Multifamily Structured Pass-Through Certificates, Ser K047, Cl A2
3.329%, 05/25/2025(F)		605		646
FHLMC Multifamily Structured Pass-Through Certificates, Ser K091, Cl X1, IO
0.704%, 03/25/2029(F)		3,931		150
FHLMC Multifamily Structured Pass-Through Certificates, Ser K093, Cl X1, IO
1.092%, 05/25/2029(F)		3,982		249
FHLMC Multifamily Structured Pass-Through Certificates, Ser K094, Cl X1, IO
1.015%, 06/25/2029(F)		2,992		177
FHLMC Multifamily Structured Pass-Through Certificates, Ser K094, Cl XAM, IO
1.283%, 06/25/2029(F)		4,850		395
FHLMC Multifamily Structured Pass-Through Certificates, Ser K095, Cl XAM, IO
1.372%, 06/25/2029(F)		700		61
FHLMC Multifamily Structured Pass-Through Certificates, Ser K101, Cl X1, IO
0.948%, 10/25/2029(F)		1,295		76
FHLMC Multifamily Structured Pass-Through Certificates, Ser K157, Cl A3
3.990%, 08/25/2033(F)		4,400		5,230
FHLMC Multifamily Structured Pass-Through Certificates, Ser K726, Cl X1, IO
1.031%, 04/25/2024(F)		10,562		188
FHLMC Multifamily Structured Pass-Through Certificates, Ser K736, Cl X1, IO
1.436%, 07/25/2026(F)		1,038		52
FHLMC Multifamily Structured Pass-Through Certificates, Ser K737, Cl X1, IO
0.750%, 10/25/2026(F)		8,447		226

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FHLMC Multifamily Structured Pass-Through Certificates, Ser K741, Cl X1, IO
0.657%, 12/25/2027(F)	$	2,999	$	95
FHLMC Multifamily Structured Pass-Through Certificates, Ser K742, Cl X1, IO
0.869%, 03/25/2028(F)		6,199		240
FHLMC Multifamily Structured Pass-Through Certificates, Ser KC05, Cl X1, IO
1.340%, 06/25/2027(F)		1,572		71
FHLMC Multifamily Structured Pass-Through Certificates, Ser KLU1, Cl A4
2.854%, 01/25/2031		1,115		1,199
FHLMC Multifamily Structured Pass-Through Certificates, Ser X3FX, Cl A2FX
3.000%, 06/25/2027		2,210		2,336
FHLMC REMIC CMO, Ser 1999-2174, Cl PN
6.000%, 07/15/2029		8		9
FHLMC REMIC CMO, Ser 2001-2312, Cl Z
6.500%, 05/15/2031		81		90
FHLMC REMIC CMO, Ser 2002-2399, Cl XG
6.500%, 01/15/2032		23		26
FHLMC REMIC CMO, Ser 2003-2671, Cl S
14.595%, 09/15/2033(F)		34		43
FHLMC REMIC CMO, Ser 2003-2684, Cl ZN
4.000%, 10/15/2033		64		69
FHLMC REMIC CMO, Ser 2004-2733, Cl ME
5.000%, 01/15/2034		148		165
FHLMC REMIC CMO, Ser 2006-R007, Cl ZA
6.000%, 05/15/2036		666		768
FHLMC REMIC CMO, Ser 2007-3316, Cl JO, PO
0.000%, 05/15/2037(A)		3		3
FHLMC REMIC CMO, Ser 2008-3451, Cl SB, IO
5.941%, 05/15/2038(F)		88		13
FHLMC REMIC CMO, Ser 2009-3546, Cl A
1.645%, 02/15/2039(F)		45		47
FHLMC REMIC CMO, Ser 2010-3621, Cl SB, IO
6.141%, 01/15/2040(F)		68		13
FHLMC REMIC CMO, Ser 2011-3866, Cl SA, IO
5.861%, 05/15/2041(F)		391		62
FHLMC REMIC CMO, Ser 2012-4010, Cl KM
3.000%, 01/15/2042		339		356
FHLMC REMIC CMO, Ser 2012-4030, Cl HS, IO
6.521%, 04/15/2042(F)		37		7
FHLMC REMIC CMO, Ser 2012-4102, Cl TC
2.500%, 09/15/2041		1,549		1,595
FHLMC REMIC CMO, Ser 2012-4119, Cl IN, IO
3.500%, 10/15/2032(F)		300		30

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

113

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FHLMC REMIC CMO, Ser 2013-4161, Cl BA
2.500%, 12/15/2041	$	3,591	$	3,690
FHLMC REMIC CMO, Ser 2013-4194, Cl BI, IO
3.500%, 04/15/2043(F)		187		21
FHLMC REMIC CMO, Ser 2013-4205, Cl PA
1.750%, 05/15/2043		722		734
FHLMC REMIC CMO, Ser 2013-4210, Cl Z
3.000%, 05/15/2043		552		570
FHLMC REMIC CMO, Ser 2013-4227, Cl VA
3.500%, 10/15/2037		900		912
FHLMC REMIC CMO, Ser 2014-4368, Cl CA
3.750%, 11/15/2036		197		200
FHLMC REMIC CMO, Ser 2015-4426, Cl QC
1.750%, 07/15/2037		1,295		1,313
FHLMC REMIC CMO, Ser 2015-4479, Cl HA
3.750%, 05/15/2039		717		729
FHLMC REMIC CMO, Ser 2017-4705, Cl A
4.500%, 09/15/2042		188		190
FHLMC REMIC CMO, Ser 2017-4742, Cl PA
3.000%, 10/15/2047		1,997		2,049
FHLMC REMIC CMO, Ser 2018-4763, Cl CA
3.000%, 09/15/2038		382		402
FHLMC REMIC CMO, Ser 2018-4767, Cl KA
3.000%, 03/15/2048		867		912
FHLMC REMIC CMO, Ser 2018-4813, Cl CJ
3.000%, 08/15/2048		398		412
FHLMC REMIC CMO, Ser 2018-4846, Cl PF
0.439%, VAR ICE LIBOR USD 1 Month + 0.350%, 12/15/2048		205		204
FHLMC REMIC CMO, Ser 2019-4879, Cl BC
3.000%, 04/15/2049		220		226
FHLMC REMIC CMO, Ser 2019-4880, Cl DA
3.000%, 05/15/2050		1,598		1,682
FHLMC REMIC CMO, Ser 2020-4995, Cl IC, IO
4.500%, 07/25/2050(F)		2,494		386
FHLMC REMIC CMO, Ser 2020-5010, Cl IK, IO
2.500%, 09/25/2050(F)		465		58
FHLMC REMIC CMO, Ser 2020-5010, Cl JI, IO
2.500%, 09/25/2050(F)		1,259		180
FHLMC REMIC CMO, Ser 2020-5012, Cl BI, IO
4.000%, 09/25/2050(F)		9,311		1,235
FHLMC REMIC CMO, Ser 2020-5013, Cl IN, IO
2.500%, 09/25/2050(F)		560		79
FHLMC REMIC CMO, Ser 2020-5018, Cl MI, IO
2.000%, 10/25/2050(F)		930		118
FHLMC REMIC CMO, Ser 2020-5018, IO
3.500%, 10/25/2050(F)		5,283		857

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FHLMC REMIC CMO, Ser 2020-5018, Cl IH, IO
3.500%, 10/25/2050(F)	$	3,073	$	498
FHLMC REMIC CMO, Ser 2020-5038, Cl IJ, IO
4.000%, 11/25/2050(F)		7,716		1,187
FHLMC REMIC CMO, Ser 2020-5040, Cl IB, IO
2.500%, 11/25/2050(F)		351		40
FHLMC REMIC CMO, Ser 2020-5059, Cl IB, IO
2.500%, 01/25/2051(F)		1,521		229
FHLMC REMIC CMO, Ser 2021-5069, Cl MI, IO
2.500%, 02/25/2051(F)		638		84
FHLMC REMIC CMO, Ser 2021-5070, Cl DI, IO
4.000%, 02/25/2051(F)		7,785		1,169
FHLMC REMIC CMO, Ser 2021-5091, Cl AB
1.500%, 03/25/2051		3,634		3,588
FHLMC REMIC CMO, Ser 2021-5119, Cl AB
1.500%, 08/25/2049		1,840		1,827
FHLMC REMIC CMO, Ser 2021-5140, Cl NI, IO
2.500%, 05/25/2049(F)		1,780		240
FHLMC REMIC, Ser 1520, Cl X1, IO
0.578%, 02/25/2036(F)		4,996		266
FHLMC STRIPS CMO, Ser 2012-264, Cl 30
3.000%, 07/15/2042		2,188		2,269
FHLMC STRIPS CMO, Ser 2012-271, Cl 30
3.000%, 08/15/2042		1,062		1,117
FHLMC STRIPS CMO, Ser 2016-353, Cl S1, IO
5.911%, 12/15/2046(F)		619		115
FHLMC STRIPS CMO, Ser 2017-356, Cl 300
3.000%, 09/15/2047		3,114		3,293
FNMA
8.000%, 05/01/2023 to 06/01/2031		19		20
7.500%, 02/01/2031 to 11/01/2038		110		125
7.000%, 09/01/2026 to 02/01/2039		689		791
6.500%, 12/01/2022 to 10/01/2037		301		335
6.000%, 02/01/2032 to 07/01/2041		2,149		2,498
5.500%, 12/01/2033 to 06/01/2049		8,689		9,922
5.000%, 07/01/2033 to 11/01/2049		31,973		35,947
4.500%, 08/01/2023 to 01/01/2059		57,253		62,975
4.200%, 01/01/2029		1,665		1,865
4.000%, 09/01/2033 to 08/01/2059		87,118		94,435
3.820%, 07/01/2027		246		266
3.790%, 12/01/2025		3,185		3,355
3.734%, 02/01/2048(F)		495		573
3.500%, 07/01/2031 to 12/01/2051		105,086		111,789
3.380%, 05/01/2028		114		117
3.310%, 03/01/2028		1,905		2,038
3.160%, 05/01/2029		319		349
3.080%, 01/01/2028		160		173

114

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
3.040%, 06/01/2029	$	1,000	$	1,095
3.020%, 06/01/2024 to 05/01/2026		3,400		3,462
3.000%, 05/01/2029 to 07/01/2060		169,092		177,728
2.810%, 04/01/2025		250		262
2.790%, 08/01/2029		600		647
2.718%, 04/01/2023(F)		105		107
2.500%, 03/01/2035 to 10/01/2051		69,967		73,033
2.455%, 04/01/2040		3,020		3,192
2.260%, 04/01/2030		1,065		1,113
2.000%, 09/01/2030 to 11/01/2051		44,040		44,476
1.850%, 09/01/2035		1,210		1,216
1.500%, 12/01/2035 to 03/01/2036		458		461
FNMA ACES, Ser 2014-M3, Cl X2, IO
0.104%, 01/25/2024(F)		19,634		58
FNMA ACES, Ser 2015-M8, Cl X2, IO
0.178%, 01/25/2025(F)		67,628		177
FNMA ACES, Ser 2016-M11, Cl AL
2.944%, 07/25/2039		224		229
FNMA ACES, Ser 2017-M7, Cl A2
2.961%, 02/25/2027(F)		690		734
FNMA ACES, Ser 2017-M8, Cl A2
3.061%, 05/25/2027(F)		200		215
FNMA ACES, Ser 2018-M15, Cl 1A2
3.700%, 01/25/2036		600		687
FNMA ACES, Ser 2019-M28, Cl AV
2.232%, 02/25/2027		483		499
FNMA ACES, Ser 2019-M4, Cl A2
3.610%, 02/25/2031		330		376
FNMA ACES, Ser 2019-M5, Cl A2
3.273%, 02/25/2029		560		617
FNMA ACES, Ser 2020-M6, Cl A
2.500%, 10/25/2037		185		192
FNMA ARM
2.695%, VAR ICE LIBOR USD 12 Month + 1.585%, 01/01/2046		2,173		2,256
2.292%, VAR ICE LIBOR USD 12 Month + 1.578%, 06/01/2045		736		764
1.782%, VAR ICE LIBOR USD 12 Month + 1.532%, 12/01/2035		16		16
FNMA Interest STRIPS CMO, Ser 2002-323, Cl 16, IO
7.000%, 01/25/2032(F)		123		17
FNMA Interest STRIPS CMO, Ser 2003-334, Cl 16, IO
6.500%, 02/25/2033(F)		163		29
FNMA Interest STRIPS CMO, Ser 2012-409, Cl C1, IO
3.000%, 11/25/2026(F)		656		30
FNMA Interest STRIPS CMO, Ser 2012-409, Cl C22, IO
4.500%, 11/25/2039(F)		455		65

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FNMA Interest STRIPS CMO, Ser 2012-409, Cl C2, IO
3.000%, 04/25/2027(F)	$	536	$	26
FNMA Interest STRIPS CMO, Ser 2012-409, Cl C17, IO
4.000%, 11/25/2041(F)		437		63
FNMA Interest STRIPS CMO, Ser 2012-409, Cl C13, IO
3.500%, 11/25/2041(F)		369		35
FNMA Interest STRIPS CMO, Ser 2012-411, Cl A3
3.000%, 08/25/2042		1,497		1,557
FNMA Interest STRIPS CMO, Ser 2012-414, Cl A35
3.500%, 10/25/2042		2,161		2,324
FNMA Interest STRIPS CMO, Ser 2018-424, Cl C11, IO
3.500%, 02/25/2048(F)		3,868		624
FNMA REMIC CMO, Ser 1992-143, Cl M
8.000%, 09/25/2022		5		5
FNMA REMIC CMO, Ser 1992-69, Cl Z
8.000%, 05/25/2022		2		2
FNMA REMIC CMO, Ser 1993-149, Cl SH
11.500%, 08/25/2023(F)		9		10
FNMA REMIC CMO, Ser 1993-99, Cl Z
7.000%, 07/25/2023		40		42
FNMA REMIC CMO, Ser 1994-31, Cl ZC
6.500%, 02/25/2024		36		38
FNMA REMIC CMO, Ser 1994-63, Cl PK
7.000%, 04/25/2024		36		38
FNMA REMIC CMO, Ser 1997-32, Cl PG
6.500%, 04/25/2027		61		67
FNMA REMIC CMO, Ser 1999-11, Cl Z
5.500%, 03/25/2029		73		77
FNMA REMIC CMO, Ser 2001-52, Cl YZ
6.500%, 10/25/2031		12		14
FNMA REMIC CMO, Ser 2003-124, Cl TS
9.800%, 01/25/2034(F)		6		7
FNMA REMIC CMO, Ser 2005-29, Cl ZA
5.500%, 04/25/2035		239		271
FNMA REMIC CMO, Ser 2005-74, Cl CS
19.767%, 05/25/2035(F)		39		46
FNMA REMIC CMO, Ser 2006-104, Cl MI, IO
6.658%, 11/25/2036(F)		313		38
FNMA REMIC CMO, Ser 2006-125, Cl SM, IO
7.108%, 01/25/2037(F)		262		52
FNMA REMIC CMO, Ser 2006-33, Cl LS
29.736%, 05/25/2036(F)		43		65
FNMA REMIC CMO, Ser 2006-46, Cl SW
23.862%, 06/25/2036(F)		35		54
FNMA REMIC CMO, Ser 2006-51, Cl SP, IO
6.558%, 03/25/2036(F)		40		5

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

115

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FNMA REMIC CMO, Ser 2007-64, Cl FA
0.562%, VAR ICE LIBOR USD 1 Month + 0.470%, 07/25/2037	$	7	$	7
FNMA REMIC CMO, Ser 2007-68, Cl SC, IO
6.608%, 07/25/2037(F)		102		20
FNMA REMIC CMO, Ser 2008-24, Cl NA
6.750%, 06/25/2037		10		11
FNMA REMIC CMO, Ser 2009-103, Cl MB
1.986%, 12/25/2039(F)		61		64
FNMA REMIC CMO, Ser 2009-86, Cl BO, PO
0.000%, 03/25/2037(A)		583		540
FNMA REMIC CMO, Ser 2010-123, Cl PM
4.000%, 07/25/2040		1,489		1,573
FNMA REMIC CMO, Ser 2010-27, Cl AS, IO
6.388%, 04/25/2040(F)		443		86
FNMA REMIC CMO, Ser 2011-2, Cl WA
5.841%, 02/25/2051(F)		61		69
FNMA REMIC CMO, Ser 2011-75, Cl FA
0.642%, VAR ICE LIBOR USD 1 Month + 0.550%, 08/25/2041		48		48
FNMA REMIC CMO, Ser 2011-96, Cl SA, IO
6.458%, 10/25/2041(F)		930		170
FNMA REMIC CMO, Ser 2012-133, Cl CS, IO
6.058%, 12/25/2042(F)		497		89
FNMA REMIC CMO, Ser 2012-134, Cl MS, IO
6.058%, 12/25/2042(F)		197		41
FNMA REMIC CMO, Ser 2012-151, Cl NX
1.500%, 01/25/2043		870		865
FNMA REMIC CMO, Ser 2012-28, Cl B
6.500%, 06/25/2039		8		9
FNMA REMIC CMO, Ser 2012-35, Cl SC, IO
6.408%, 04/25/2042(F)		245		48
FNMA REMIC CMO, Ser 2012-46, Cl BA
6.000%, 05/25/2042		317		367
FNMA REMIC CMO, Ser 2012-70, Cl YS, IO
6.558%, 02/25/2041(F)		15		–
FNMA REMIC CMO, Ser 2012-74, Cl SA, IO
6.558%, 03/25/2042(F)		410		64
FNMA REMIC CMO, Ser 2012-74, Cl OA, PO
0.000%, 03/25/2042(A)		28		27
FNMA REMIC CMO, Ser 2012-75, Cl AO, PO
0.000%, 03/25/2042(A)		57		53
FNMA REMIC CMO, Ser 2012-75, Cl NS, IO
6.508%, 07/25/2042(F)		99		17
FNMA REMIC CMO, Ser 2013-101, Cl CO, PO
0.000%, 10/25/2043(A)		1,612		1,483
FNMA REMIC CMO, Ser 2013-101, Cl BO, PO
0.000%, 10/25/2043(A)		713		656
FNMA REMIC CMO, Ser 2013-11, Cl AP
1.500%, 01/25/2043		2,929		2,930
FNMA REMIC CMO, Ser 2013-124, Cl SB, IO
5.858%, 12/25/2043(F)		398		74

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FNMA REMIC CMO, Ser 2013-26, Cl HI, IO
3.000%, 04/25/2032(F)	$	189	$	4
FNMA REMIC CMO, Ser 2013-43, Cl BP
1.750%, 05/25/2043		959		973
FNMA REMIC CMO, Ser 2013-54, Cl BS, IO
6.058%, 06/25/2043(F)		244		50
FNMA REMIC CMO, Ser 2013-9, Cl BC
6.500%, 07/25/2042		762		899
FNMA REMIC CMO, Ser 2013-9, Cl CB
5.500%, 04/25/2042		822		930
FNMA REMIC CMO, Ser 2014-73, Cl MA
2.500%, 11/25/2044		599		613
FNMA REMIC CMO, Ser 2015-84, Cl PA
1.700%, 08/25/2033		3,491		3,558
FNMA REMIC CMO, Ser 2016-37, Cl MJ
3.500%, 08/25/2043		262		269
FNMA REMIC CMO, Ser 2016-48, Cl MA
2.000%, 06/25/2038		3,468		3,560
FNMA REMIC CMO, Ser 2016-57, Cl PC
1.750%, 06/25/2046		5,094		5,090
FNMA REMIC CMO, Ser 2017-13, Cl PA
3.000%, 08/25/2046		1,045		1,084
FNMA REMIC CMO, Ser 2017-76, Cl SB, IO
6.008%, 10/25/2057(F)		1,508		296
FNMA REMIC CMO, Ser 2017-85, Cl SC, IO
6.108%, 11/25/2047(F)		503		88
FNMA REMIC CMO, Ser 2018-14, Cl KC
3.000%, 03/25/2048		2,019		2,123
FNMA REMIC CMO, Ser 2018-15, Cl AB
3.000%, 03/25/2048		460		483
FNMA REMIC CMO, Ser 2018-38, Cl PA
3.500%, 06/25/2047		1,239		1,279
FNMA REMIC CMO, Ser 2018-43, Cl CT
3.000%, 06/25/2048		1,623		1,675
FNMA REMIC CMO, Ser 2018-8, Cl KL
2.500%, 03/25/2047		1,056		1,085
FNMA REMIC CMO, Ser 2018-86, Cl JA
4.000%, 05/25/2047		235		243
FNMA REMIC CMO, Ser 2019-1, Cl AB
3.500%, 02/25/2049		949		999
FNMA REMIC CMO, Ser 2019-15, Cl AB
3.500%, 05/25/2053		3,317		3,565
FNMA REMIC CMO, Ser 2019-25, Cl PA
3.000%, 05/25/2048		2,244		2,354
FNMA REMIC CMO, Ser 2019-35, Cl A
3.000%, 07/25/2049		843		870
FNMA REMIC CMO, Ser 2019-45, Cl PA
3.000%, 08/25/2049		682		706
FNMA REMIC CMO, Ser 2019-52, Cl PA
3.000%, 09/25/2049		224		230

116

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Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FNMA REMIC CMO, Ser 2019-79, Cl FA
0.592%, VAR ICE LIBOR USD 1 Month + 0.500%, 01/25/2050	$	2,558	$	2,579
FNMA REMIC CMO, Ser 2020-101, Cl IA, IO
3.500%, 01/25/2051(F)		9,898		1,409
FNMA REMIC CMO, Ser 2020-25, Cl BI, IO
3.500%, 01/25/2047(F)		2,040		279
FNMA REMIC CMO, Ser 2020-47, Cl GZ
2.000%, 07/25/2050		720		671
FNMA REMIC CMO, Ser 2020-48, Cl AB
2.000%, 07/25/2050		1,488		1,513
FNMA REMIC CMO, Ser 2020-48, Cl DA
2.000%, 07/25/2050		4,694		4,713
FNMA REMIC CMO, Ser 2020-56, Cl DI, IO
2.500%, 08/25/2050(F)		877		128
FNMA REMIC CMO, Ser 2020-57, Cl NI, IO
2.500%, 08/25/2050(F)		828		114
FNMA REMIC CMO, Ser 2020-64, Cl IB, IO
4.000%, 09/25/2050(F)		2,889		471
FNMA REMIC CMO, Ser 2020-65, Cl JI, IO
4.000%, 09/25/2050(F)		6,098		980
FNMA REMIC CMO, Ser 2020-65, Cl DI, IO
4.000%, 09/25/2050(F)		3,466		551
FNMA REMIC CMO, Ser 2020-65, Cl EI, IO
4.000%, 09/25/2050(F)		5,053		819
FNMA REMIC CMO, Ser 2020-74, Cl EI, IO
2.500%, 10/25/2050(F)		436		63
FNMA REMIC CMO, Ser 2020-84, Cl ID, IO
3.500%, 12/25/2050(F)		2,922		442
FNMA REMIC CMO, Ser 2020-89, Cl DI, IO
2.500%, 12/25/2050(F)		2,724		348
FNMA REMIC CMO, Ser 2020-97, Cl AI, IO
2.000%, 01/25/2051(F)		2,581		341
FNMA REMIC CMO, Ser 2020-99, Cl IA, IO
3.500%, 09/25/2049(F)		1,788		298
FNMA REMIC CMO, Ser 2021-1, Cl IG, IO
2.500%, 02/25/2051(F)		1,797		249
FNMA REMIC CMO, Ser 2021-27, Cl EC
1.500%, 05/25/2051		5,737		5,692
FNMA REMIC CMO, Ser 2021-3, Cl IB, IO
2.500%, 02/25/2051(F)		2,281		360
FNMA REMIC CMO, Ser 2021-3, Cl QI, IO
2.500%, 02/25/2051(F)		2,386		316
FNMA REMIC CMO, Ser 2021-61, Cl KI, IO
2.500%, 04/25/2049(F)		1,678		216
FNMA REMIC CMO, Ser 2021-78, Cl ND
1.500%, 11/25/2051		3,332		3,342
GNMA
7.000%, 04/15/2026 to 10/15/2032		394		425
6.500%, 01/15/2024 to 07/15/2035		847		945
6.000%, 12/15/2023 to 10/20/2040		2,407		2,780
5.000%, 10/15/2039 to 04/20/2050		15,937		17,383

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
4.700%, 09/20/2061(F)	$	185	$	197
4.500%, 01/20/2040 to 12/20/2050		18,718		20,223
4.475%, 01/20/2069(F)		39		41
4.000%, 06/20/2047 to 11/20/2050		27,653		29,506
3.630%, 04/20/2063(F)		85		88
3.500%, 06/20/2044 to 07/20/2050		25,664		27,207
3.000%, 09/15/2042 to 10/20/2051		35,048		36,698
2.500%, 12/20/2050 to 09/20/2051		36,482		37,572
2.000%, 12/20/2050 to 03/20/2051		3,873		3,927
GNMA ARM
1.625%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.500%, 07/20/2034		5		5
1.520%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.440%, 01/20/2060		460		471
GNMA CMO, Ser 2003-60, Cl GS
12.268%, 05/16/2033(F)		5		5
GNMA CMO, Ser 2005-7, Cl JM
16.524%, 05/18/2034(F)		1		1
GNMA CMO, Ser 2006-16, Cl GS, IO
6.899%, 04/20/2036(F)		293		50
GNMA CMO, Ser 2007-78, Cl SA, IO
6.441%, 12/16/2037(F)		2,008		254
GNMA CMO, Ser 2009-106, Cl KS, IO
6.309%, 11/20/2039(F)		2,068		312
GNMA CMO, Ser 2009-66, Cl LC
6.000%, 08/16/2039		1,290		1,458
GNMA CMO, Ser 2009-66, Cl XS, IO
6.711%, 07/16/2039(F)		13		1
GNMA CMO, Ser 2009-8, Cl PS, IO
6.211%, 08/16/2038(F)		10		1
GNMA CMO, Ser 2010-4, Cl SL, IO
6.311%, 01/16/2040(F)		62		11
GNMA CMO, Ser 2010-4, Cl NS, IO
6.301%, 01/16/2040(F)		2,935		531
GNMA CMO, Ser 2010-59, Cl LB
4.500%, 10/20/2039		182		187
GNMA CMO, Ser 2010-85, Cl HS, IO
6.559%, 01/20/2040(F)		74		3
GNMA CMO, Ser 2010-H10, Cl FC
1.088%, VAR ICE LIBOR USD 1 Month + 1.000%, 05/20/2060		1,445		1,462
GNMA CMO, Ser 2010-H26, Cl LF
0.425%, VAR ICE LIBOR USD 1 Month + 0.350%, 08/20/2058		2,210		2,209
GNMA CMO, Ser 2011-146, Cl EI, IO
5.000%, 11/16/2041(F)		34		6
GNMA CMO, Ser 2011-H09, Cl AF
0.575%, VAR ICE LIBOR USD 1 Month + 0.500%, 03/20/2061		559		560
GNMA CMO, Ser 2012-124, Cl AS, IO
6.111%, 10/16/2042(F)		401		76

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

117

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GNMA CMO, Ser 2012-141, Cl WA
4.531%, 11/16/2041(F)	$	353	$	389
GNMA CMO, Ser 2012-66, Cl CI, IO
3.500%, 02/20/2038(F)		43		–
GNMA CMO, Ser 2012-98, Cl SA, IO
6.011%, 08/16/2042(F)		307		57
GNMA CMO, Ser 2012-H07, Cl KI, IO
1.282%, 03/20/2062(F)		486		17
GNMA CMO, Ser 2013-H01, Cl JA
0.395%, VAR ICE LIBOR USD 1 Month + 0.320%, 01/20/2063		503		503
GNMA CMO, Ser 2013-H01, Cl TA
0.575%, VAR ICE LIBOR USD 1 Month + 0.500%, 01/20/2063		8		8
GNMA CMO, Ser 2014-H04, Cl FB
0.725%, VAR ICE LIBOR USD 1 Month + 0.650%, 02/20/2064		1,393		1,400
GNMA CMO, Ser 2015-167, Cl OI, IO
4.000%, 04/16/2045(F)		237		36
GNMA CMO, Ser 2016-135, Cl SB, IO
6.011%, 10/16/2046(F)		393		101
GNMA CMO, Ser 2016-84, Cl IG, IO
4.500%, 11/16/2045(F)		118		20
GNMA CMO, Ser 2017-167, Cl BQ
2.500%, 08/20/2044		1,074		1,099
GNMA CMO, Ser 2018-11, Cl PC
2.750%, 12/20/2047		1,456		1,485
GNMA CMO, Ser 2018-H06, Cl PF
0.375%, VAR ICE LIBOR USD 1 Month + 0.300%, 02/20/2068		596		595
GNMA CMO, Ser 2018-H07, Cl FD
0.375%, VAR ICE LIBOR USD 1 Month + 0.300%, 05/20/2068		1,097		1,095
GNMA CMO, Ser 2019-132, Cl NA
3.500%, 09/20/2049		1,239		1,302
GNMA CMO, Ser 2019-15, Cl GT
3.500%, 02/20/2049		1,300		1,377
GNMA CMO, Ser 2019-31, Cl JC
3.500%, 03/20/2049		779		827
GNMA CMO, Ser 2019-71, Cl PT
3.000%, 06/20/2049		122		126
GNMA CMO, Ser 2019-90, Cl AB
3.000%, 07/20/2049		427		445
GNMA CMO, Ser 2020-123, Cl NI, IO
2.500%, 08/20/2050(F)		1,196		151
GNMA CMO, Ser 2020-123, Cl IL, IO
2.500%, 08/20/2050(F)		375		48
GNMA CMO, Ser 2020-127, Cl IN, IO
2.500%, 08/20/2050(F)		552		73
GNMA CMO, Ser 2020-129, Cl IE, IO
2.500%, 09/20/2050(F)		464		63

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GNMA CMO, Ser 2020-160, Cl YI, IO
2.500%, 10/20/2050(F)	$	1,773	$	233
GNMA CMO, Ser 2020-160, Cl VI, IO
2.500%, 10/20/2050(F)		557		73
GNMA CMO, Ser 2020-160, Cl IH, IO
2.500%, 10/20/2050(F)		379		49
GNMA CMO, Ser 2020-181, Cl WI, IO
2.000%, 12/20/2050(F)		3,879		393
GNMA CMO, Ser 2020-47, Cl MI, IO
3.500%, 04/20/2050(F)		1,044		137
GNMA CMO, Ser 2020-47, Cl NI, IO
3.500%, 04/20/2050(F)		351		52
GNMA CMO, Ser 2020-H09, Cl NF
1.341%, VAR ICE LIBOR USD 1 Month + 1.250%, 04/20/2070		301		310
GNMA CMO, Ser 2020-H09, Cl FL
1.241%, VAR ICE LIBOR USD 1 Month + 1.150%, 05/20/2070		1,186		1,241
GNMA CMO, Ser 2020-H12, Cl F
0.591%, VAR ICE LIBOR USD 1 Month + 0.500%, 07/20/2070		148		149
GNMA CMO, Ser 2020-H13, Cl FA
0.541%, VAR ICE LIBOR USD 1 Month + 0.450%, 07/20/2070		671		676
GNMA CMO, Ser 2021-23, Cl MG
1.500%, 02/20/2051		3,780		3,737
GNMA CMO, Ser 2021-29, Cl TI, IO
2.500%, 02/20/2051(F)		979		183
GNMA TBA
3.000%, 02/01/2045 to 12/15/2051		30,985		32,026
2.500%, 01/15/2051		30,600		31,377
2.000%, 01/15/2051		21,600		21,842
GNMA, Ser 2012-112, IO
0.133%, 02/16/2053(F)		3,184		15
GNMA, Ser 2012-142, IO
0.339%, 04/16/2054(F)		7,349		47
GNMA, Ser 2012-27, IO
0.739%, 04/16/2053(F)		6,605		70
GNMA, Ser 2013-107, Cl AD
2.767%, 11/16/2047(F)		466		478
GNMA, Ser 2013-163, IO
1.153%, 02/16/2046(F)		2,746		72
GNMA, Ser 2014-186, IO
0.488%, 08/16/2054(F)		3,431		63
GNMA, Ser 2014-47, Cl IA, IO
0.111%, 02/16/2048(F)		423		5
GNMA, Ser 2014-50, IO
0.600%, 09/16/2055(F)		2,239		70
GNMA, Ser 2016-128, IO
0.796%, 09/16/2056(F)		5,272		237
GNMA, Ser 2017-135, Cl AG
2.600%, 08/16/2058		635		651

118

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GNMA, Ser 2017-145, IO
0.583%, 04/16/2057(F)	$	2,484	$	98
GNMA, Ser 2017-157, IO
0.668%, 12/16/2059(F)		1,340		72
GNMA, Ser 2017-190, IO
0.535%, 03/16/2060(F)		3,932		172
GNMA, Ser 2017-8, IO
0.521%, 08/16/2058(F)		1,820		69
GNMA, Ser 2019-28, Cl AB
3.150%, 06/16/2060		296		300
GNMA, Ser 2020-109, Cl AI, IO
0.869%, 05/16/2060(F)		2,412		176
GNMA, Ser 2020-184, IO
0.914%, 11/16/2060(F)		2,943		239
GNMA, Ser 2020-41, IO
0.662%, 07/16/2058(F)		1,072		42
GNMA, Ser 2021-37, IO
0.805%, 01/16/2061(F)		2,959		213
GNMA, Ser 2021-60, IO
0.836%, 05/16/2063(F)		2,471		188
GNMA, Ser 2021-68, IO
0.897%, 10/16/2062(F)		2,971		232
UMBS TBA
5.000%, 12/15/2051		4,830		5,291
4.500%, 12/15/2051		1,862		2,000
4.000%, 12/14/2039		1,969		2,098
3.500%, 12/01/2040		6,720		7,065
3.000%, 12/12/2042 to 01/15/2051		38,030		39,450
2.500%, 12/01/2027 to 02/15/2051		405,086		414,434
2.000%, 01/15/2036 to 12/15/2051		343,819		345,333
1.500%, 01/15/2036		28,750		28,850
				2,253,941
Non-Agency Mortgage-Backed Obligations — 5.0%
3650R 2021-PF1 Commercial Mortgage Trust, Ser 2021-PF1, Cl A5
2.522%, 11/15/2054		1,140		1,163
Alen Mortgage Trust, Ser 2021-ACEN, Cl A
1.240%, VAR ICE LIBOR USD 1 Month + 1.150%, 04/15/2034(C)		1,900		1,898
American Home Mortgage Investment Trust, Ser 2005-1, Cl 1A2
0.649%, VAR ICE LIBOR USD 1 Month + 0.560%, 06/25/2045		1,027		1,028
Angel Oak Mortgage Trust I LLC, Ser 2019-2, Cl A1
3.628%, 03/25/2049(C)(F)		172		173
Angel Oak Mortgage Trust, Ser 2020-2, Cl A1A
2.531%, 01/26/2065(C)(F)		843		854

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Angel Oak Mortgage Trust, Ser 2020-5, Cl A1
1.373%, 05/25/2065(C)(F)	$	383	$	384
Angel Oak Mortgage Trust, Ser 2021-6, Cl A1
1.458%, 09/25/2066(C)(F)		1,581		1,570
Angel Oak Mortgage Trust, Ser 2021-7, Cl A3
2.337%, 10/25/2066(C)(F)		1,030		1,031
Arbor Multifamily Mortgage Securities Trust, Ser 2021-MF2, Cl B
2.560%, 06/15/2054(C)(F)		1,205		1,200
BAMLL Commercial Mortgage Securities Trust, Ser 2018-PARK, Cl A
4.227%, 08/10/2038(C)(F)		2,640		2,955
Banc of America Alternative Loan Trust, Ser 2006-8, Cl 3A1
3.700%, 11/25/2021(F)		6		6
Banc of America Alternative Loan Trust, Ser 2007-1, Cl 2A1
5.817%, 04/25/2037(F)		58		58
Banc of America Funding Trust, Ser 2003-2, Cl 1A1
6.500%, 06/25/2032		6		6
Banc of America Funding Trust, Ser 2004-2, Cl 1CB1
5.750%, 09/20/2034		52		55
Banc of America Funding Trust, Ser 2005-B, Cl 2A1
2.719%, 04/20/2035(F)		796		760
Banc of America Funding Trust, Ser 2006-G, Cl 2A4
0.671%, VAR ICE LIBOR USD 1 Month + 0.580%, 07/20/2036		6		6
BANK, Ser 2017-BNK5, Cl A4
3.131%, 06/15/2060		1,130		1,195
BANK, Ser 2017-BNK7, Cl A5
3.435%, 09/15/2060		1,170		1,264
BANK, Ser 2019-BN19, Cl A3
3.183%, 08/15/2061		385		413
BANK, Ser 2019-BN23, Cl A3
2.920%, 12/15/2052		165		174
Barclays Commercial Mortgage Trust, Ser 2019-C3, Cl A3
3.319%, 05/15/2052		263		282
Bayview MSR Opportunity Master Fund Trust, Ser 2021-2, Cl A2
2.500%, 06/25/2051(C)(F)		2,284		2,312
BBCMS Mortgage Trust, Ser 2020-C6, Cl A2
2.690%, 02/15/2053		1,205		1,238
BBCMS Mortgage Trust, Ser C12, Cl A5
2.689%, 11/15/2054		1,529		1,590
BBCMS Mortgage Trust, Ser C2, Cl ASB
4.236%, 12/15/2051		524		578

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

119

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
BBCMS Trust, Ser 2015-SRCH, Cl A1
3.312%, 08/10/2035(C)	$	1,224	$	1,280
Bear Stearns Adjustable Rate Mortgage Trust, Ser 2004-2, Cl 14A
2.866%, 05/25/2034(F)		14		13
Bear Stearns Commercial Mortgage Securities Trust, Ser 2005-PWR8, Cl X1, IO
0.716%, 06/11/2041(C)(F)		3		–
BPR Trust, Ser 2021-TY, Cl A
1.140%, VAR ICE LIBOR USD 1 Month + 1.050%, 09/15/2038(C)		1,000		1,000
Bunker Hill Loan Depositary Trust, Ser 2019-2, Cl A1
2.879%, 07/25/2049(C)		1,407		1,415
Bunker Hill Loan Depositary Trust, Ser 2019-3, Cl A1
2.724%, 11/25/2059(C)		813		821
BWAY Mortgage Trust, Ser 2015-1740, Cl A
2.917%, 01/10/2035(C)		3,025		3,028
BX Commercial Mortgage Trust, Ser 2019-XL, Cl A
1.010%, VAR ICE LIBOR USD 1 Month + 0.920%, 10/15/2036(C)		9,097		9,097
BX Commercial Mortgage Trust, Ser 2020-FOX, Cl A
1.090%, VAR ICE LIBOR USD 1 Month + 1.000%, 11/15/2032(C)		3,641		3,637
BX Commercial Mortgage Trust, Ser 2021-SOAR, Cl A
0.760%, VAR ICE LIBOR USD 1 Month + 0.670%, 06/15/2038(C)		1,310		1,303
BX Commercial Mortgage Trust, Ser 2021-VOLT, Cl A
0.790%, VAR ICE LIBOR USD 1 Month + 0.700%, 09/15/2036(C)		7,071		7,036
BX Commercial Mortgage Trust, Ser 2021-XL2, Cl A
0.779%, VAR ICE LIBOR USD 1 Month + 0.689%, 10/15/2038(C)		7,585		7,548
BX Trust, Ser 2019-MMP, Cl A
1.090%, VAR ICE LIBOR USD 1 Month + 1.000%, 08/15/2036(C)		517		515
BX Trust, Ser 2019-OC11, Cl A
3.202%, 12/09/2041(C)		1,945		2,049
BX Trust, Ser 2021-ARIA, Cl A
0.989%, VAR ICE LIBOR USD 1 Month + 0.899%, 10/15/2036(C)		5,110		5,097
BX Trust, Ser 2021-MFM1, Cl A
0.790%, VAR ICE LIBOR USD 1 Month + 0.700%, 01/15/2034(C)		2,150		2,141
CALI Mortgage Trust, Ser 2019-101C, Cl A
3.957%, 03/10/2039(C)		1,905		2,120

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
CAMB Commercial Mortgage Trust, Ser 2019-LIFE, Cl A
1.159%, VAR ICE LIBOR USD 1 Month + 1.070%, 12/15/2037(C)	$	1,715	$	1,712
CD Commercial Mortgage Trust, Ser 2006-CD2, Cl X, IO
0.023%, 01/15/2046(C)(F)		265		–
CD Commercial Mortgage Trust, Ser 2017-CD3, Cl A4
3.631%, 02/10/2050		1,240		1,342
CD Commercial Mortgage Trust, Ser 2019-CD8, Cl A4
2.912%, 08/15/2057		954		1,006
Century Plaza Towers, Ser 2019-CPT, Cl A
2.865%, 11/13/2039(C)		1,865		1,946
CFCRE Commercial Mortgage Trust, Ser 2017-C8, Cl ASB
3.367%, 06/15/2050		718		755
Chase Mortgage Finance Trust, Ser 2007-A1, Cl 2A1
2.413%, 02/25/2037(F)		19		19
Chase Mortgage Finance Trust, Ser 2007-A1, Cl 9A1
2.768%, 02/25/2037(F)		16		16
Chase Mortgage Finance Trust, Ser 2007-A2, Cl 1A1
2.295%, 06/25/2035(F)		29		28
Chevy Chase Funding Mortgage-Backed Certificates, Ser 2003-4X, Cl A2
0.872%, VAR ICE LIBOR USD 1 Month + 0.780%, 10/25/2034		960		964
CIM Trust, Ser 2018-INV1, Cl A4
4.000%, 08/25/2048(C)(F)		251		256
CIM Trust, Ser 2021-R6, Cl A1
1.425%, 07/25/2061(C)(F)		3,266		3,225
Citigroup Commercial Mortgage Trust, Ser 2014-GC21, Cl A5
3.855%, 05/10/2047		465		491
Citigroup Commercial Mortgage Trust, Ser 2014-GC25, Cl AS
4.017%, 10/10/2047		880		933
Citigroup Commercial Mortgage Trust, Ser 2019-GC41, Cl A5
2.869%, 08/10/2056		4,120		4,342
Citigroup Global Markets Mortgage Securities VII, Ser 2003-HYB1, Cl A
2.240%, 09/25/2033(F)		21		22
Citigroup Mortgage Loan Trust, Ser 2004-HYB1, Cl A41
1.994%, 02/25/2034(F)		2		2
Citigroup Mortgage Loan Trust, Ser 2004-UST1, Cl A6
1.953%, 08/25/2034(F)		9		9

120

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Citigroup Mortgage Loan Trust, Ser 2009-10, Cl 1A1
2.514%, 09/25/2033(C)(F)	$	43	$	44
Citigroup Mortgage Loan Trust, Ser 2021-INV1, Cl A3A
2.500%, 05/25/2051(C)(F)		3,989		4,025
Citigroup Mortgage Loan Trust, Ser 2021-INV2, Cl A3A
2.500%, 05/25/2051(C)(F)		4,693		4,736
COLT Mortgage Loan Trust, Ser 2021-2, Cl A1
0.924%, 08/25/2066(C)(F)		1,969		1,952
COLT Mortgage Loan Trust, Ser 2021-4, Cl A1
1.397%, 10/25/2066(C)(F)		2,047		2,037
COMM Mortgage Trust, Ser 2013-CR6, Cl A4
3.101%, 03/10/2046		2,879		2,913
Commercial Mortgage Pass-Through Certificates, Ser 2012-CR2, Cl CPZ
4.992%, 08/15/2045(C)(F)		150		150
Commercial Mortgage Pass-Through Certificates, Ser 2012-CR3, Cl A3
2.822%, 10/15/2045		7,088		7,136
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR10, Cl A4
4.210%, 08/10/2046(F)		37		39
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR11, Cl A4
4.258%, 08/10/2050		4,304		4,528
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR12, Cl B
4.762%, 10/10/2046(F)		190		197
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR12, Cl AM
4.300%, 10/10/2046		220		228
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR12, Cl C
5.241%, 10/10/2046(F)		90		89
Commercial Mortgage Pass-Through Certificates, Ser 2013-CR8, Cl A5
3.612%, 06/10/2046(F)		630		651
Commercial Mortgage Pass-Through Certificates, Ser 2013-LC13, Cl B
5.009%, 08/10/2046(C)(F)		1,150		1,208
Commercial Mortgage Pass-Through Certificates, Ser 2013-LC6, Cl AM
3.282%, 01/10/2046		2,960		3,019
Commercial Mortgage Pass-Through Certificates, Ser 2014-CR14, Cl B
4.751%, 02/10/2047(F)		350		368
Commercial Mortgage Pass-Through Certificates, Ser 2014-UBS2, Cl XA, IO
1.284%, 03/10/2047(F)		10,364		210

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Commercial Mortgage Pass-Through Certificates, Ser 2014-UBS3, Cl AM
4.012%, 06/10/2047	$	510	$	539
Commercial Mortgage Pass-Through Certificates, Ser 2014-UBS4, Cl A4
3.420%, 08/10/2047		1,530		1,580
Commercial Mortgage Pass-Through Certificates, Ser 2015CR26, Cl C
4.628%, 10/10/2048(F)		1,755		1,856
Commercial Mortgage Pass-Through Certificates, Ser 2015-CR27, Cl A3
3.349%, 10/10/2048		7,117		7,413
Commercial Mortgage Pass-Through Certificates, Ser 2015-DC1, Cl A2
2.870%, 02/10/2048		12		12
Commercial Mortgage Pass-Through Certificates, Ser 2015-LC19, Cl XA, IO
1.254%, 02/10/2048(F)		15,689		457
Commercial Mortgage Pass-Through Certificates, Ser 2015-LC21, Cl A4
3.708%, 07/10/2048		614		657
Commercial Mortgage Pass-Through Certificates, Ser 2015-LC23, Cl A3
3.521%, 10/10/2048		804		849
Commercial Mortgage Pass-Through Certificates, Ser 2017-PANW, Cl A
3.244%, 10/10/2029(C)		1,780		1,821
Commercial Mortgage Pass-Through Certificates, Ser 2020-CBM, Cl A2
2.896%, 02/10/2037(C)		2,230		2,264
Commercial Mortgage Pass-Through Certificates, Ser 2020-CX, Cl A
2.173%, 11/10/2046(C)		3,290		3,263
Connecticut Avenue Securities Trust, Ser 2021-R01, Cl 1M2
1.600%, VAR SOFR30A + 1.550%, 10/25/2041(C)		1,030		1,035
Core Mortgage Trust, Ser 2019-CORE, Cl A
0.970%, VAR ICE LIBOR USD 1 Month + 0.880%, 12/15/2031(C)		475		474
Countrywide Alternative Loan Trust, Ser 2004-27CB, Cl A1
6.000%, 12/25/2034		388		387
Countrywide Alternative Loan Trust, Ser 2004-J6, PO
0.000%, 11/25/2031(A)		11		10
Countrywide Alternative Loan Trust, Ser 2004-J6, Cl 2A1
6.500%, 11/25/2031		67		69
Countrywide Home Loan Mortgage Pass-Through Trust, Ser 2004-14, Cl 4A1
2.445%, 08/25/2034(F)		81		80

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

121

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Countrywide Home Loan Mortgage Pass-Through Trust, Ser 2005-20, Cl A7
5.250%, 12/25/2027	$	101	$	83
Credit Suisse Commercial Mortgage Securities, Ser 2019-SKLZ, Cl A
1.340%, VAR ICE LIBOR USD 1 Month + 1.250%, 01/15/2034(C)		622		625
Credit Suisse Mortgage Capital Certificates, Ser 2019-ICE4, Cl A
1.070%, VAR ICE LIBOR USD 1 Month + 0.980%, 05/15/2036(C)		7,100		7,100
CSAIL Commercial Mortgage Trust, Ser 2015-C2, Cl A4
3.504%, 06/15/2057		922		976
CSAIL Commercial Mortgage Trust, Ser 2015-C3, Cl A3
3.447%, 08/15/2048		918		953
CSAIL Commercial Mortgage Trust, Ser 2021-C20, Cl A3
2.805%, 03/15/2054		573		599
CSFB Mortgage-Backed Pass-Through Certificates, Ser 2003-29, Cl 5A1
7.000%, 12/25/2033		34		35
CSMC Trust, Ser 2014-USA, Cl A2
3.953%, 09/15/2037(C)		3,530		3,729
CSMC Trust, Ser 2014-USA, Cl B
4.185%, 09/15/2037(C)		3,900		3,887
CSMC Trust, Ser 2015-5R, Cl 1A1
1.008%, 09/27/2046(C)(F)		720		721
CSMC Trust, Ser 2016-NXSR, Cl A4
3.795%, 12/15/2049(F)		1,425		1,543
CSMC Trust, Ser 2018-J1, Cl A2
3.500%, 02/25/2048(C)(F)		3,696		3,755
CSMC Trust, Ser 2018-RPL9, Cl A
3.850%, 09/25/2057(C)(F)		4,068		4,239
CSMC Trust, Ser 2019-AFC1, Cl A1
2.573%, 07/25/2049(C)		1,290		1,304
CSMC Trust, Ser 2019-NQM1, Cl A3
3.064%, 10/25/2059(C)		3,622		3,679
CSMC Trust, Ser 2020-FACT, Cl A
1.440%, VAR ICE LIBOR USD 1 Month + 1.350%, 10/15/2037(C)		4,280		4,281
CSMC Trust, Ser 2021-NQM3, Cl A3
1.632%, 04/25/2066(C)(F)		2,210		2,203
CSMC Trust, Ser 2021-NQM5, Cl A1
0.938%, 05/25/2066(C)(F)		2,893		2,855
CSMC Trust, Ser 2021-NQM7, Cl A1
1.756%, 10/25/2066(C)(F)		1,740		1,732
CSMC Trust, Ser 2021-RPL2, Cl A1
2.000%, 01/25/2060(C)(F)		958		962
CSMC Trust, Ser 2021-RPL3, Cl A1
2.000%, 01/25/2060(C)(F)		6,325		6,374

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
CSMC Trust, Ser 2021-RPL6, Cl A1
2.000%, 10/25/2060(C)(F)	$	1,808	$	1,812
DBCCRE Mortgage Trust, Ser 2014-ARCP, Cl C
5.099%, 01/10/2034(C)(F)		560		580
DBCCRE Mortgage Trust, Ser 2014-ARCP, Cl A
4.238%, 01/10/2034(C)		2,450		2,558
DBJPM Mortgage Trust, Ser 2016-C1, Cl B
4.195%, 05/10/2049(F)		1,780		1,877
DC Office Trust, Ser 2019-MTC, Cl A
2.965%, 09/15/2045(C)		1,995		2,098
DSLA Mortgage Loan Trust, Ser 2004-AR2, Cl A2B
0.889%, VAR ICE LIBOR USD 1 Month + 0.800%, 11/19/2044		316		304
Ellington Financial Mortgage Trust, Ser 2021-2, Cl A1
0.931%, 06/25/2066(C)(F)		837		829
EQUS Mortgage Trust, Ser EQAZ, Cl B
1.190%, VAR ICE LIBOR USD 1 Month + 1.100%, 10/15/2038(C)		1,560		1,551
EQUS Mortgage Trust, Ser EQAZ, Cl A
0.845%, VAR ICE LIBOR USD 1 Month + 0.755%, 10/15/2038(C)		1,931		1,920
EverBank Mortgage Loan Trust, Ser 2018-1, Cl A22
3.500%, 02/25/2048(C)(F)		738		749
FHLMC STACR REMIC Trust, Ser 2020-DNA6, Cl M1
0.950%, VAR SOFR30A + 0.900%, 12/25/2050(C)		469		469
FHLMC STACR REMIC Trust, Ser 2021-DNA6, Cl M2
1.550%, VAR SOFR30A + 1.500%, 10/25/2041(C)		2,300		2,303
FHLMC Structured Agency Credit Risk Debt Notes, Ser 2021-DNA2, Cl M2
2.350%, VAR SOFR30A + 2.300%, 08/25/2033(C)		980		998
First Horizon Alternative Mortgage Securities Trust, Ser 2004-AA3, Cl A1
2.276%, 09/25/2034(F)		34		34
Flagstar Mortgage Trust, Ser 2018-2, Cl A4
3.500%, 04/25/2048(C)(F)		443		444
Flagstar Mortgage Trust, Ser 2021-13IN, Cl A2
3.000%, 12/30/2051(C)(F)		4,800		4,893
FNMA Connecticut Avenue Securities, Ser 2016-C02, Cl 1M2
6.092%, VAR ICE LIBOR USD 1 Month + 6.000%, 09/25/2028		1,931		2,008

122

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
FNMA Connecticut Avenue Securities, Ser 2017-C01, Cl 1ED1
1.342%, VAR ICE LIBOR USD 1 Month + 1.250%, 07/25/2029	$	2,076	$	2,073
FREMF Mortgage Trust, Ser 2012-K20, Cl X2A, IO
0.200%, 05/25/2045(C)(F)		22,547		11
FWDSecuritization Trust, Ser 2019-INV1, Cl A1
2.810%, 06/25/2049(C)(F)		873		886
GCAT LLC, Ser 2019-NQM1, Cl A1
2.985%, 02/25/2059(C)		270		270
Granite Point Mortgage Trust, Ser 2021-FL3, Cl A
1.339%, VAR ICE LIBOR USD 1 Month + 1.250%, 07/16/2035(C)		1,752		1,752
GS Mortgage Securities Trust, Ser 2010-C1, Cl A2
4.592%, 08/10/2043(C)		381		381
GS Mortgage Securities Trust, Ser 2013-GC14, Cl A5
4.243%, 08/10/2046		993		1,039
GS Mortgage Securities Trust, Ser 2013-GC16, Cl B
5.161%, 11/10/2046(F)		390		407
GS Mortgage Securities Trust, Ser 2015-GC32, Cl XA, IO
0.886%, 07/10/2048(F)		33,110		761
GS Mortgage Securities Trust, Ser 2017-SLP, Cl C
3.924%, 10/10/2032(C)		4,610		4,668
GS Mortgage Securities Trust, Ser 2018-SRP5, Cl B
2.840%, VAR ICE LIBOR USD 1 Month + 2.750%, 09/15/2031(C)		3,621		2,933
GS Mortgage Securities Trust, Ser 2018-SRP5, Cl A
1.640%, VAR ICE LIBOR USD 1 Month + 1.550%, 09/15/2031(C)		3,630		3,296
GS Mortgage Securities Trust, Ser 2021-ROSS, Cl A
1.240%, VAR ICE LIBOR USD 1 Month + 1.150%, 05/15/2026(C)		1,000		1,001
GS Mortgage Securities Trust, Ser GC18, Cl A4
4.074%, 01/10/2047		2,005		2,105
GS Mortgage Securities Trust, Ser GC47, Cl A5
2.377%, 05/12/2053		1,722		1,754
GS Mortgage Securities Trust, Ser GSA2, Cl A4
1.721%, 12/12/2053		1,863		1,801

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GS Mortgage-Backed Securities Trust, Ser 2018-RPL1, Cl A1A
3.750%, 10/25/2057(C)	$	4,224	$	4,359
GS Mortgage-Backed Securities Trust, Ser 2021-RPL1, Cl A2
2.000%, 12/25/2060(C)(F)		1,111		1,094
GSMPS Mortgage Loan Trust, Ser 1998-1, Cl A
8.000%, 09/19/2027(C)(F)		1		1
GSMPS Mortgage Loan Trust, Ser 2005-RP3, Cl 1AS, IO
4.191%, 09/25/2035(C)(F)		171		18
GSR Mortgage Loan Trust, Ser 2004-8F, Cl 2A3
6.000%, 09/25/2034		30		30
GSR Mortgage Loan Trust, Ser 2007-1F, Cl 2A4
5.500%, 01/25/2037		7		9
HarborView Mortgage Loan Trust, Ser 2005-9, Cl 2A1C
0.991%, VAR ICE LIBOR USD 1 Month + 0.900%, 06/20/2035		1,203		1,193
Hudson Yards Mortgage Trust, Ser 2019-30HY, Cl A
3.228%, 07/10/2039(C)		1,900		2,035
Hudson Yards Mortgage Trust, Ser 2019-55HY, Cl A
3.041%, 12/10/2041(C)(F)		1,995		2,102
Impac CMB Trust, Ser 2005-4, Cl 2A1
0.692%, VAR ICE LIBOR USD 1 Month + 0.300%, 05/25/2035		84		83
Impact Funding Affordable Multifamily Housing Mortgage Loan Trust, Ser 2010-1, Cl A1
5.314%, 01/25/2051(C)		1,880		1,962
Indymac Index Mortgage Loan Trust, Ser 2004-AR7, Cl A2
0.952%, VAR ICE LIBOR USD 1 Month + 0.860%, 09/25/2034		11		11
Indymac Index Mortgage Loan Trust, Ser 2004-AR8, Cl 2A2A
0.892%, VAR ICE LIBOR USD 1 Month + 0.800%, 11/25/2034		17		17
JPMBB Commercial Mortgage Securities Trust, Ser 2013-C12, Cl ASB
3.157%, 07/15/2045		79		79
JPMBB Commercial Mortgage Securities Trust, Ser 2013-C12, Cl A5
3.664%, 07/15/2045		1,429		1,475
JPMBB Commercial Mortgage Securities Trust, Ser 2013-C15, Cl AS
4.420%, 11/15/2045		1,840		1,939

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

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Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
JPMBB Commercial Mortgage Securities Trust, Ser 2013-C17, Cl B
5.049%, 01/15/2047(F)	$	230	$	243
JPMBB Commercial Mortgage Securities Trust, Ser 2014-C21, Cl AS
3.997%, 08/15/2047		2,730		2,872
JPMBB Commercial Mortgage Securities Trust, Ser 2014-C22, Cl C
4.705%, 09/15/2047(F)		750		731
JPMBB Commercial Mortgage Securities Trust, Ser 2014-C23, Cl A4
3.670%, 09/15/2047		579		605
JPMBB Commercial Mortgage Securities Trust, Ser 2015-C28, Cl A3
2.912%, 10/15/2048		3,443		3,505
JPMDB Commercial Mortgage Securities Trust, Ser 2017-C5, Cl B
4.009%, 03/15/2050(F)		1,740		1,816
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2006-C16, Cl A4
4.166%, 12/15/2046		2,143		2,250
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2006-CB15, Cl X1, IO
0.380%, 06/12/2043(F)		1,587		–
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2016-JP2, Cl A4
2.822%, 08/15/2049		1,400		1,461
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2016-JP4, Cl A3
3.393%, 12/15/2049		485		519
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2018-BCON, Cl B
3.881%, 01/05/2031(C)(F)		2,415		2,465
JPMorgan Chase Commercial Mortgage Securities Trust, Ser 2019-OSB, Cl A
3.397%, 06/05/2039(C)		2,000		2,162
JPMorgan Mortgage Trust, Ser 2004-A3, Cl SF3
1.846%, 06/25/2034(F)		216		215
JPMorgan Mortgage Trust, Ser 2005-A1, Cl 3A4
2.589%, 02/25/2035(F)		53		53
JPMorgan Mortgage Trust, Ser 2005-A2, Cl 5A2
2.254%, 04/25/2035(F)		16		17
JPMorgan Mortgage Trust, Ser 2006-A2, Cl 5A3
2.267%, 11/25/2033(F)		71		72
JPMorgan Mortgage Trust, Ser 2006-A2, Cl 4A1
2.225%, 08/25/2034(F)		81		85

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
JPMorgan Mortgage Trust, Ser 2017-5, Cl A2
3.088%, 10/26/2048(C)(F)	$	3,267	$	3,362
JPMorgan Mortgage Trust, Ser 2018-3, Cl A1
3.500%, 09/25/2048(C)(F)		562		571
JPMorgan Mortgage Trust, Ser 2018-4, Cl A1
3.500%, 10/25/2048(C)(F)		442		446
JPMorgan Mortgage Trust, Ser 2018-5, Cl A1
3.500%, 10/25/2048(C)(F)		530		536
JPMorgan Mortgage Trust, Ser 2019-8, Cl A3A
3.000%, 03/25/2050(C)(F)		586		594
JPMorgan Mortgage Trust, Ser 2019-LTV3, Cl B2
4.453%, 03/25/2050(C)(F)		955		964
JPMorgan Mortgage Trust, Ser 2020-1, Cl A3A
3.000%, 06/25/2050(C)(F)		536		544
JPMorgan Mortgage Trust, Ser 2021-14, Cl A3
2.500%, 05/25/2052(C)(F)		12,500		12,514
Manhattan West Mortgage Trust, Ser 2020-1MW, Cl A
2.130%, 09/10/2039(C)		2,300		2,311
MASTR Adjustable Rate Mortgages Trust, Ser 2004-13, Cl 3A7A
2.726%, 11/21/2034(F)		979		1,008
MASTR Alternative Loans Trust, Ser 2004-4, Cl 1A1
5.500%, 05/25/2034		246		255
MASTR Alternative Loans Trust, Ser 2006-3, Cl 1A3
6.250%, 07/25/2036		185		149
MASTR Reperforming Loan Trust, Ser 2005-1, Cl 1A1
6.000%, 08/25/2034(C)		1,233		980
MASTR Reperforming Loan Trust, Ser 2005-2, Cl 1A1F
0.442%, VAR ICE LIBOR USD 1 Month + 0.350%, 05/25/2035(C)		217		114
MASTR Resecuritization Trust, Ser 2005-PO, Cl 3, PO
0.000%, 05/28/2035(A)(C)		7		6
MASTR Seasoned Securitization Trust, Ser 2004-1, Cl 4A1
2.410%, 10/25/2032(F)		2		2
MASTR Seasoned Securitization Trust, Ser 2005-1, Cl 4A1
2.375%, 10/25/2032(F)		23		23

124

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Med Trust, Ser 2021-MDLN, Cl A
1.050%, VAR ICE LIBOR USD 1 Month + 0.950%, 11/15/2038(C)	$	3,109	$	3,112
Mello Mortgage Capital Acceptance, Ser 2021-INV1, Cl A3
2.500%, 06/25/2051(C)(F)		59		60
Mello Warehouse Securitization Trust, Ser 2020-1, Cl A
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 10/25/2053(C)		2,045		2,043
Mello Warehouse Securitization Trust, Ser 2020-2, Cl A
0.892%, VAR ICE LIBOR USD 1 Month + 0.800%, 11/25/2053(C)		2,174		2,168
Mello Warehouse Securitization Trust, Ser 2021-1, Cl A
0.789%, VAR ICE LIBOR USD 1 Month + 0.700%, 02/25/2055(C)		663		660
Mello Warehouse Securitization Trust, Ser 2021-2, Cl A
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 04/25/2055(C)		1,839		1,832
Merrill Lynch Mortgage Investors Trust, Ser 2003-A4, Cl 2A
2.405%, 07/25/2033(F)		28		28
Merrill Lynch Mortgage Investors Trust, Ser 2004-1, Cl 2A1
2.038%, 12/25/2034(F)		68		69
Merrill Lynch Mortgage Investors Trust, Ser 2004-A1, Cl 4A
2.375%, 02/25/2034(F)		37		38
Merrill Lynch Mortgage Investors Trust, Ser 2004-A1, Cl 2A1
2.244%, 02/25/2034(F)		25		25
Merrill Lynch Mortgage Investors Trust, Ser 2004-A4, Cl A2
2.569%, 08/25/2034(F)		38		38
Merrill Lynch Mortgage Investors Trust, Ser 2004-D, Cl A2
0.873%, VAR ICE LIBOR USD 6 Month + 0.720%, 09/25/2029		57		55
Merrill Lynch Mortgage Investors Trust, Ser 2006-1, Cl 1A
2.091%, 02/25/2036(F)		32		32
MFA Trust, Ser 2021-NQM2, Cl A1
1.029%, 11/25/2064(C)(F)		1,154		1,147
MFA Trust, Ser 2021-RPL1, Cl A1
1.131%, 07/25/2060(C)(F)		1,425		1,405
Mill City Mortgage Loan Trust, Ser 2021-NMR1, Cl A1
1.125%, 11/25/2060(C)(F)		2,202		2,192
MKT Mortgage Trust, Ser 2020-525M, Cl A
2.694%, 02/12/2040(C)		3,000		3,092

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
ML-CFC Commercial Mortgage Trust, Ser 2006-4, Cl XC, IO
1.372%, 12/12/2049(C)(F)	$	6	$	–
Morgan Stanley Bank of America Merrill Lynch Trust, Ser 2012-C5, Cl A4
3.176%, 08/15/2045		473		475
Morgan Stanley Bank of America Merrill Lynch Trust, Ser 2015-C20, Cl A4
3.249%, 02/15/2048		262		275
Morgan Stanley Capital I Trust, Ser 2007-T27, Cl AJ
6.215%, 06/11/2042(F)		2,465		2,488
Morgan Stanley Capital I Trust, Ser 2016-BNK2, Cl XA, IO
1.099%, 11/15/2049(F)		13,845		551
Morgan Stanley Capital I Trust, Ser 2019-BPR, Cl A
1.489%, VAR ICE LIBOR USD 1 Month + 1.400%, 05/15/2036(C)		3,030		2,992
Morgan Stanley Capital I Trust, Ser 2020-HR8, Cl A3
1.790%, 07/15/2053		1,356		1,319
Morgan Stanley Capital I Trust, Ser 2020-L4, Cl ASB
2.624%, 02/15/2053		3,930		4,104
Morgan Stanley Capital I Trust, Ser 2021-L6, Cl A4
2.444%, 06/15/2054		489		498
Morgan Stanley Capital I Trust, Ser 2021-L7, Cl A5
2.574%, 10/15/2054		1,897		1,945
Morgan Stanley Mortgage Loan Trust, Ser 2004-3, Cl 4A
5.643%, 04/25/2034(F)		85		90
Mortgage Loan Resecuritization Trust, Ser 2009-RS1, Cl A85
0.426%, VAR ICE LIBOR USD 1 Month + 0.340%, 04/16/2036(C)		3,218		3,023
MSBAM Commercial Mortgage Securities Trust, Ser 2012-CKSV, Cl A2
3.277%, 10/15/2030(C)		150		149
MSCG Trust, Ser 2015-ALDR, Cl A2
3.577%, 06/07/2035(C)(F)		3,115		3,242
MSG III Securitization Trust, Ser 2021-1, Cl A
0.836%, VAR ICE LIBOR USD 1 Month + 0.750%, 06/25/2054(C)		5,180		5,181
Natixis Commercial Mortgage Securities Trust, Ser 2020-2PAC, Cl A
2.966%, 12/15/2038(C)		2,085		2,146
New Residential Mortgage Loan Trust, Ser 2015-2A, Cl A1
3.750%, 08/25/2055(C)(F)		1,431		1,493

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

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SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
New Residential Mortgage Loan Trust, Ser 2017-4A, Cl A1
4.000%, 05/25/2057(C)(F)	$	2,579	$	2,715
New Residential Mortgage Loan Trust, Ser 2019-4A, Cl A1B
3.500%, 12/25/2058(C)(F)		2,136		2,220
New Residential Mortgage Loan Trust, Ser 2019-6A, Cl B1
4.000%, 09/25/2059(C)(F)		1,594		1,718
New Residential Mortgage Loan Trust, Ser 2019-6A, Cl A1B
3.500%, 09/25/2059(C)(F)		2,653		2,763
New Residential Mortgage Loan Trust, Ser 2019-NQM4, Cl A1
2.492%, 09/25/2059(C)(F)		472		475
New Residential Mortgage Loan Trust, Ser 2019-RPL3, Cl A1
2.750%, 07/25/2059(C)(F)		776		791
New Residential Mortgage Loan Trust, Ser 2021-NQM3, Cl A1
1.156%, 11/27/2056(C)(F)		1,226		1,223
New York Mortgage Trust, Ser 2006-1, Cl 2A2
2.678%, 05/25/2036(F)		61		57
NewRez Warehouse Securitization Trust, Ser 2021-1, Cl A
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 05/25/2055(C)		4,623		4,610
OBX Trust, Ser 2019-EXP1, Cl 1A3
4.000%, 01/25/2059(C)(F)		135		136
OBX Trust, Ser 2020-EXP1, Cl 2A1A
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 02/25/2060(C)		480		480
OBX Trust, Ser 2020-EXP3, Cl 2A1A
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 01/25/2060(C)		566		567
OBX Trust, Ser 2021-NQM2, Cl A1
1.101%, 05/25/2061(C)(F)		1,087		1,082
OBX Trust, Ser 2021-NQM3, Cl A1
1.054%, 07/25/2061(C)(F)		1,435		1,421
One Bryant Park Trust, Ser 2019-OBP, Cl A
2.516%, 09/15/2054(C)		2,490		2,548
Onslow Bay Mortgage Loan Trust, Ser 2021-NQM4, Cl A1
1.957%, 10/25/2061(C)(F)		1,180		1,179
OPG Trust, Ser PORT, Cl A
0.574%, VAR ICE LIBOR USD 1 Month + 0.484%, 10/15/2036(C)		4,140		4,107
Prime Mortgage Trust, Ser 2004-CL1, Cl 1, PO
0.000%, 02/25/2034(A)		7		6
Prime Mortgage Trust, Ser 2004-CL1, Cl 1A1
6.000%, 02/25/2034		28		29

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
PRKCM Trust, Ser 2021-AFC1, Cl A1
1.510%, 08/25/2056(C)(F)	$	1,494	$	1,479
RALI Trust, Ser 2005-QO2, Cl A1
1.443%, VAR 12 Month Treas Avg + 1.360%, 09/25/2045		236		231
RALI Trust, Ser 2005-QO5, Cl A1
1.083%, VAR 12 Month Treas Avg + 1.000%, 01/25/2046		332		307
RAMP Trust, Ser 2004-SL1, Cl A7
7.000%, 11/25/2031		26		26
RAMP Trust, Ser 2005-SL1, Cl A5
6.500%, 05/25/2032		2		2
Rate Mortgage Trust, Ser 2021-J4, Cl A7
2.500%, 11/25/2051(C)(F)		13,000		13,075
RBS Commercial Funding Trust, Ser 2013-GSP, Cl A
3.961%, 01/15/2032(C)(F)		670		697
Residential Asset Securitization Trust, Ser 2004-IP2, Cl 2A1
2.817%, 12/25/2034(F)		196		193
Residential Mortgage Loan Trust, Ser 2020-2, Cl A1
1.654%, 05/25/2060(C)(F)		2,270		2,278
Sequoia Mortgage Trust, Ser 2004-12, Cl A3
0.479%, VAR ICE LIBOR USD 6 Month + 0.320%, 01/20/2035		105		102
Sequoia Mortgage Trust, Ser 2018-CH4, Cl B1B
5.036%, 10/25/2048(C)(F)		2,373		2,426
SFAVE Commercial Mortgage Securities Trust, Ser 2015-5AVE, Cl A2B
4.144%, 01/05/2043(C)(F)		115		126
STACR Trust, Ser 2018-DNA3, Cl M2A
2.192%, VAR ICE LIBOR USD 1 Month + 2.100%, 09/25/2048(C)		1,400		1,412
STAR Trust, Ser 2021-1, Cl A1
1.219%, 05/25/2065(C)(F)		1,060		1,058
Starwood Mortgage Residential Trust, Ser 2020-1, Cl A1
2.275%, 02/25/2050(C)(F)		919		924
Starwood Mortgage Residential Trust, Ser 2020-3, Cl A1
1.486%, 04/25/2065(C)(F)		958		960
Starwood Mortgage Residential Trust, Ser 2020-INV1, Cl A1
1.027%, 11/25/2055(C)(F)		842		838
Starwood Mortgage Residential Trust, Ser 2021-4, Cl A1
1.162%, 08/25/2056(C)(F)		2,396		2,382
Structured Adjustable Rate Mortgage Loan Trust, Ser 2005-19XS, Cl 1A1
0.412%, VAR ICE LIBOR USD 1 Month + 0.320%, 10/25/2035		921		917

126

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Structured Asset Mortgage Investments II Trust, Ser 2004-AR5, Cl 1A1
0.749%, VAR ICE LIBOR USD 1 Month + 0.660%, 10/19/2034	$	67	$	66
Structured Asset Mortgage Investments II Trust, Ser 2005-AR1, Cl A1
0.569%, VAR ICE LIBOR USD 1 Month + 0.480%, 04/19/2035		1,094		1,076
Structured Asset Securities, Ser 2003-31A, Cl 2A7
2.304%, 10/25/2033(F)		1,196		1,226
Structured Asset Securities, Ser 2003-37A, Cl 2A
2.045%, 12/25/2033(F)		35		36
Thornburg Mortgage Securities Trust, Ser 2003-4, Cl A1
0.732%, VAR ICE LIBOR USD 1 Month + 0.640%, 09/25/2043		109		111
Towd Point Mortgage Trust, Ser 2021-1, Cl A1
2.250%, 11/25/2061(C)(F)		1,655		1,680
UBS Commercial Mortgage Trust, Ser 2018-C11, Cl B
4.713%, 06/15/2051(F)		1,750		1,911
UBS-Barclays Commercial Mortgage Trust, Ser 2012-C3, Cl B
4.365%, 08/10/2049(C)(F)		435		445
Verus Securitization Trust, Ser 2019-3, Cl A1
2.784%, 07/25/2059(C)		720		723
Verus Securitization Trust, Ser 2019-4, Cl A1
2.642%, 11/25/2059(C)		1,082		1,096
Verus Securitization Trust, Ser 2019-INV2, Cl A1
2.913%, 07/25/2059(C)(F)		567		571
Verus Securitization Trust, Ser 2019-INV3, Cl A1
2.692%, 11/25/2059(C)(F)		1,236		1,252
Verus Securitization Trust, Ser 2020-2, Cl A1
2.226%, 05/25/2060(C)(F)		1,054		1,058
Verus Securitization Trust, Ser 2020-5, Cl A1
1.218%, 05/25/2065(C)		357		357
Verus Securitization Trust, Ser 2021-1, Cl A1
0.815%, 01/25/2066(C)(F)		1,301		1,289
Verus Securitization Trust, Ser 2021-2, Cl A1
1.031%, 02/25/2066(C)(F)		2,496		2,479
Verus Securitization Trust, Ser 2021-3, Cl A1
1.046%, 06/25/2066(C)(F)		1,728		1,714
Verus Securitization Trust, Ser 2021-4, Cl A1
0.938%, 07/25/2066(C)(F)		1,874		1,854
Verus Securitization Trust, Ser 2021-5, Cl A1
1.013%, 09/25/2066(C)(F)		6,708		6,612
Verus Securitization Trust, Ser 2021-7, Cl A1
1.829%, 10/25/2066(C)(F)		2,696		2,695

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
Verus Securitization Trust, Ser 2021-R1, Cl A1
0.820%, 10/25/2063(C)(F)	$	1,357	$	1,353
Verus Securitization Trust, Ser 2021-R3, Cl A1
1.020%, 04/25/2064(C)(F)		1,465		1,457
Visio Trust, Ser 2020-1R, Cl A1
1.312%, 11/25/2055(C)		944		941
VNDO Mortgage Trust, Ser 2012-6AVE, Cl A
2.996%, 11/15/2030(C)		100		102
VNDO Mortgage Trust, Ser 2016-350P, Cl A
3.805%, 01/10/2035(C)		1,210		1,307
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR10, Cl A7
2.492%, 10/25/2033(F)		46		46
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR6, Cl A1
2.561%, 06/25/2033(F)		44		43
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR7, Cl A7
2.365%, 08/25/2033(F)		42		42
WaMu Mortgage Pass-Through Certificates, Ser 2003-AR9, Cl 1A6
2.514%, 09/25/2033(F)		99		99
WaMu Mortgage Pass-Through Certificates, Ser 2003-S4, Cl 2A10
17.210%, 06/25/2033(F)		8		9
WaMu Mortgage Pass-Through Certificates, Ser 2003-S9, Cl A8
5.250%, 10/25/2033		172		178
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR3, Cl A2
2.595%, 06/25/2034(F)		31		32
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR4, Cl A6
2.596%, 06/25/2034(F)		2,827		2,853
WaMu Mortgage Pass-Through Certificates, Ser 2004-AR7, Cl A6
2.559%, 07/25/2034(F)		3,234		3,296
WaMu Mortgage Pass-Through Certificates, Ser 2005-AR15, Cl A1A1
0.612%, VAR ICE LIBOR USD 1 Month + 0.520%, 11/25/2045		6,679		6,589
WaMu Mortgage Pass-Through Certificates, Ser 2005-AR19, Cl A1A1
0.632%, VAR ICE LIBOR USD 1 Month + 0.540%, 12/25/2045		4,017		4,097
WaMu Mortgage Pass-Through Certificates, Ser 2006-AR1, Cl 1A1B
1.153%, VAR 12 Month Treas Avg + 1.070%, 01/25/2046		1,118		881

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

127

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
WaMu Mortgage Pass-Through Certificates, Ser 2006-AR14, Cl 1A4
2.557%, 11/25/2036(F)	$	73	$	73
WaMu Mortgage Pass-Through Certificates, Ser 2006-AR17, Cl 1A1B
0.898%, VAR 12 Month Treas Avg + 0.810%, 12/25/2046		104		94
WaMu Mortgage Pass-Through Certificates, Ser 2006-AR17, Cl 2A
1.738%, VAR Cost of Funds 11th District of San Fran + 1.500%, 12/25/2046		182		178
Washington Mutual Mortgage Pass-Through Certificates, Ser 2005-3, Cl CX, IO
5.500%, 05/25/2035(F)		151		25
Washington Mutual MSC Mortgage Pass-Through Certificates, Ser 2003-MS2, Cl 1A1
5.750%, 02/25/2033		6		6
Washington Mutual MSC Mortgage Pass-Through Certificates, Ser 2003-MS8, Cl 1P, PO
0.000%, 05/25/2033(A)		3		2
Washington Mutual MSC Mortgage Pass-Through Certificates, Ser 2003-MS9, Cl 2P, PO
0.000%, 04/25/2033(A)		27		26
Wells Fargo Commercial Mortgage Trust, Ser 2012-LC5, Cl B
4.142%, 10/15/2045		1,455		1,484
Wells Fargo Mortgage-Backed Securities Trust, Ser 2005-AR14, Cl A1
2.586%, 08/25/2035(F)		22		22
WFRBS Commercial Mortgage Trust, Ser 2012-C7, Cl XA, IO
1.436%, 06/15/2045(C)(F)		2,378		3
WFRBS Commercial Mortgage Trust, Ser 2013-C12, Cl XA, IO
1.232%, 03/15/2048(C)(F)		5,383		57
WFRBS Commercial Mortgage Trust, Ser 2013-C12, Cl C
4.437%, 03/15/2048(F)		490		502
WFRBS Commercial Mortgage Trust, Ser 2013-C15, Cl A4
4.153%, 08/15/2046(F)		150		156
WFRBS Commercial Mortgage Trust, Ser 2013-C17, Cl A4
4.023%, 12/15/2046		120		125
WFRBS Commercial Mortgage Trust, Ser 2014-C19, Cl XA, IO
1.171%, 03/15/2047(F)		4,137		70

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
WFRBS Commercial Mortgage Trust, Ser 2014-C19, Cl A3
3.660%, 03/15/2047	$	371	$	363
WFRBS Commercial Mortgage Trust, Ser 2014-C19, Cl B
4.723%, 03/15/2047(F)		210		219
WFRBS Commercial Mortgage Trust, Ser 2014-C21, Cl XA, IO
1.172%, 08/15/2047(F)		11,696		255
WFRBS Commercial Mortgage Trust, Ser 2014-C21, Cl B
4.213%, 08/15/2047(F)		2,180		2,248
WFRBS Commercial Mortgage Trust, Ser 2014-C22, Cl B
4.371%, 09/15/2057(F)		970		1,021
WFRBS Commercial Mortgage Trust, Ser 2014-C23, Cl XA, IO
0.708%, 10/15/2057(F)		4,324		58
WFRBS Commercial Mortgage Trust, Ser 2014-C24, Cl AS
3.931%, 11/15/2047		1,330		1,390
				471,194
Total Mortgage-Backed Securities
(Cost $2,717,837) ($ Thousands)				2,725,135
ASSET-BACKED SECURITIES — 8.1%
Automotive — 0.7%
Ally Auto Receivables Trust, Ser 2019-4, Cl A3
1.840%, 06/17/2024		246		248
AmeriCredit Automobile Receivables Trust, Ser 2020-2, Cl A2A
0.600%, 12/18/2023		537		537
AmeriCredit Automobile Receivables Trust, Ser 2020-3, Cl A2
0.420%, 03/18/2024		660		661
Avis Budget Rental Car Funding AESOP LLC, Ser 2019-3A, Cl A
2.360%, 03/20/2026 (C)		1,574		1,617
Avis Budget Rental Car Funding AESOP LLC, Ser 2020-1A, Cl A
2.330%, 08/20/2026 (C)		4,066		4,189
Avis Budget Rental Car Funding AESOP LLC, Ser 2020-2A, Cl A
2.020%, 02/20/2027 (C)		3,620		3,664
Avis Budget Rental Car Funding AESOP LLC, Ser 2021-2A, Cl A
1.660%, 02/20/2028 (C)		3,473		3,433

128

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Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Chesapeake Funding II LLC, Ser 2019-1A, Cl A1
2.940%, 04/15/2031 (C)	$	1,366	$	1,379
Chesapeake Funding II LLC, Ser 2020-1A, Cl A1
0.870%, 08/16/2032 (C)		3,538		3,545
Chesapeake Funding II LLC, Ser 2020-1A, Cl B
1.240%, 08/16/2032 (C)		1,830		1,837
Donlen Fleet Lease Funding II LLC, Ser 2021-2, Cl A2
0.560%, 12/11/2034 (C)		2,780		2,770
Donlen Fleet Lease Funding II LLC, Ser 2021-2, Cl B
0.980%, 12/11/2034 (C)		1,140		1,131
Donlen Fleet Lease Funding II LLC, Ser 2021-2, Cl C
1.200%, 12/11/2034 (C)		1,990		1,973
Enterprise Fleet Financing LLC, Ser 2019-1, Cl A2
2.980%, 10/20/2024 (C)		161		162
Enterprise Fleet Funding LLC, Ser 2021-1, Cl A3
0.700%, 12/21/2026 (C)		905		894
Exeter Automobile Receivables Trust, Ser 2021-2A, Cl A2
0.270%, 01/16/2024		931		931
Ford Credit Auto Owner Trust, Ser 2018-1, Cl A
3.190%, 07/15/2031 (C)		1,344		1,420
Ford Credit Floorplan Master Owner Trust A, Ser 2018-4, Cl A
4.060%, 11/15/2030		2,740		3,084
GLS Auto Receivables Issuer Trust, Ser 2021-3A, Cl A
0.420%, 01/15/2025 (C)		1,860		1,859
Hertz Vehicle Financing III, Ser 2021-2A, Cl A
1.680%, 12/27/2027 (C)		3,002		2,993
Hertz Vehicle Financing III, Ser 2021-2A, Cl C
2.520%, 12/27/2027 (C)		2,030		2,021
Hyundai Auto Receivables Trust, Ser 2020-B, Cl A2
0.380%, 03/15/2023		324		324
Hyundai Auto Receivables Trust, Ser 2021-C, Cl A4
1.030%, 12/15/2027		1,347		1,339
JPMorgan Chase Bank - CACLN, Ser 2020-1, Cl B
0.991%, 01/25/2028 (C)		607		608

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
JPMorgan Chase Bank - CACLN, Ser 2020-2, Cl B
0.840%, 02/25/2028 (C)	$	1,227	$	1,227
JPMorgan Chase Bank - CACLN, Ser 2021-2, Cl B
0.889%, 12/26/2028 (C)		1,856		1,849
JPMorgan Chase Bank - CACLN, Ser 2021-3, Cl B
0.760%, 02/26/2029 (C)		3,166		3,151
Mercedes-Benz Auto Receivables Trust, Ser 2021-1, Cl A3
0.460%, 06/15/2026		2,050		2,030
Prestige Auto Receivables Trust, Ser 2020-1A, Cl A2
0.520%, 02/15/2024 (C)		279		279
Santander Drive Auto Receivables Trust, Ser 2020-1, Cl A3
2.030%, 02/15/2024		131		131
Santander Drive Auto Receivables Trust, Ser 2020-3, Cl A3
0.520%, 07/15/2024		1,286		1,286
Santander Drive Auto Receivables Trust, Ser 2020-4, Cl A3
0.480%, 07/15/2024		1,163		1,163
Santander Drive Auto Receivables Trust, Ser 2021-2, Cl A2
0.280%, 04/15/2024		1,160		1,159
Santander Drive Auto Receivables Trust, Ser 2021-2, Cl B
0.590%, 09/15/2025		1,830		1,825
Tidewater Auto Receivables Trust, Ser 2020-AA, Cl A2
1.390%, 08/15/2024 (C)		159		159
Toyota Auto Loan Extended Note Trust, Ser 2021-1A, Cl A
1.070%, 02/27/2034 (C)		3,537		3,483
Toyota Auto Receivables Owner Trust, Ser 2019-D, Cl A3
1.920%, 01/16/2024		393		396
Toyota Auto Receivables Owner Trust, Ser 2021-D, Cl A4
1.020%, 03/15/2027		1,445		1,436
Westlake Automobile Receivables Trust, Ser 2021-1A, Cl A2A
0.390%, 10/15/2024 (C)		1,739		1,738
Wheels SPV 2 LLC, Ser 2020-1A, Cl A2
0.510%, 08/20/2029 (C)		2,259		2,258
				66,189
Credit Cards — 0.2%
American Express Credit Account Master Trust, Ser 2021-1, Cl A
0.900%, 11/16/2026		7,858		7,820

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

129

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Capital One Multi-Asset Execution Trust, Ser 2021-A2, Cl A2
1.390%, 07/15/2030	$	4,419	$	4,357
Citibank Credit Card Issuance Trust, Ser 2017-A6, Cl A6
0.860%, VAR ICE LIBOR USD 1 Month + 0.770%, 05/14/2029		5,880		5,976
				18,153
Mortgage Related Securities — 0.2%
Aames Mortgage Trust, Ser 2002-1, Cl A3
7.396%, 06/25/2032		19		19
Accredited Mortgage Loan Trust, Ser 2005-3, Cl M3
0.572%, VAR ICE LIBOR USD 1 Month + 0.480%, 09/25/2035		6,530		6,517
Bayview Financial Mortgage Pass-Through Trust, Ser 2006-A, Cl M3
1.068%, VAR ICE LIBOR USD 1 Month + 0.975%, 02/28/2041		995		994
Centex Home Equity Loan Trust, Ser 2005-A, Cl M1
0.812%, VAR ICE LIBOR USD 1 Month + 0.720%, 01/25/2035		3,446		3,448
Delta Funding Home Equity Loan Trust, Ser 1999-3, Cl A1A
0.910%, VAR ICE LIBOR USD 1 Month + 0.820%, 09/15/2029		190		188
Master Asset-Backed Securities Trust, Ser 2006-WMC3, Cl A4
0.252%, VAR ICE LIBOR USD 1 Month + 0.160%, 08/25/2036		718		322
Morgan Stanley Mortgage Loan Trust, Ser 2007-3XS, Cl 2A3S
5.858%, 01/25/2047		13		7
RASC Trust, Ser 2005-KS9, Cl M5
1.037%, VAR ICE LIBOR USD 1 Month + 0.630%, 10/25/2035		8,000		7,989
Soundview Home Loan Trust, Ser 2006-OPT3, Cl 2A3
0.432%, VAR ICE LIBOR USD 1 Month + 0.170%, 06/25/2036		230		230
Structured Asset Securities Pass-Through Certificates, Ser 2002-AL1, Cl A2
3.450%, 02/25/2032		27		26
Wells Fargo Home Equity Asset-Backed Securities Trust, Ser 2004-2, Cl A33
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 10/25/2034		2,018		2,002
				21,742

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Other Asset-Backed Securities — 7.0%
522 Funding CLO, Ser 2021-6A, Cl A1R
1.277%, VAR ICE LIBOR USD 3 Month + 1.150%, 10/23/2034 (C)	$	3,490	$	3,490
ABPCI Direct Lending Fund CLO X, Ser 2020-10A, Cl A1A
2.082%, VAR ICE LIBOR USD 3 Month + 1.950%, 01/20/2032 (C)		2,420		2,419
ABPCI Direct Lending Fund IX LLC, Ser 2021-9A, Cl A1R
1.524%, VAR ICE LIBOR USD 3 Month + 1.400%, 11/18/2031 (C)		4,190		4,190
AccessLex Institute, Ser 2007-A, Cl A3
0.480%, VAR ICE LIBOR USD 3 Month + 0.300%, 05/25/2036		2,288		2,249
ACRES Commercial Realty, Ser 2021-FL1, Cl AS
1.690%, VAR ICE LIBOR USD 1 Month + 1.600%, 06/15/2036 (C)		6,000		5,987
AGL CLO VI, Ser 2021-6A, Cl AR
1.332%, VAR ICE LIBOR USD 3 Month + 1.200%, 07/20/2034 (C)		1,360		1,360
Aimco CLO XI, Ser 2021-11A, Cl AR
1.253%, VAR ICE LIBOR USD 3 Month + 1.130%, 10/17/2034 (C)		5,500		5,500
AMMC CLO IX, Ser 2019-19A, Cl AR
1.264%, VAR ICE LIBOR USD 3 Month + 1.140%, 10/16/2028 (C)		1,296		1,297
AMMC CLO XIII, Ser 2021-13A, Cl A1R2
1.175%, VAR ICE LIBOR USD 3 Month + 1.050%, 07/24/2029 (C)		6,000		5,998
Antares CLO, Ser 2020-1A, Cl A1
2.024%, VAR ICE LIBOR USD 3 Month + 1.900%, 10/23/2031 (C)		2,500		2,499
Antares CLO, Ser 2021-1A, Cl A1R
0.000%, 10/23/2033(C)(G)		2,500		2,500
Apidos CLO XXI, Ser 2018-21A, Cl A1R
1.052%, VAR ICE LIBOR USD 3 Month + 0.930%, 07/18/2027 (C)		494		494
Apidos CLO XXXV, Ser 2021-35A, Cl A
1.182%, VAR ICE LIBOR USD 3 Month + 1.050%, 04/20/2034 (C)		1,320		1,321
Applebee's Funding LLC / IHOP Funding LLC, Ser 2019-1A, Cl A2I
4.194%, 06/05/2049 (C)		1,980		2,005
Aqua Finance Trust, Ser 2021-A, Cl A
1.540%, 07/17/2046 (C)		2,848		2,826
Arbor Realty Commercial Real Estate Notes, Ser 2019-FL1, Cl A
1.240%, VAR ICE LIBOR USD 1 Month + 1.150%, 05/15/2037 (C)		6,824		6,818

130

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
ARES XLVII CLO, Ser 2018-47A, Cl A1
1.044%, VAR ICE LIBOR USD 3 Month + 0.920%, 04/15/2030 (C)	$	1,040	$	1,040
Balboa Bay Loan Funding, Ser 2020-1A, Cl A
1.482%, VAR ICE LIBOR USD 3 Month + 1.350%, 01/20/2032 (C)		2,610		2,614
Balboa Bay Loan Funding, Ser 2021-2A, Cl A1
1.382%, VAR ICE LIBOR USD 3 Month + 1.170%, 01/20/2035 (C)		1,230		1,230
Barings CLO, Ser 2017-IA, Cl AR
0.932%, VAR ICE LIBOR USD 3 Month + 0.800%, 01/20/2028 (C)		2,873		2,875
BCC Funding XVI LLC, Ser 2019-1A, Cl A2
2.460%, 08/20/2024 (C)		1,265		1,276
Blackbird Capital Aircraft, Ser 2021-1A, Cl A
2.443%, 07/15/2046 (C)		1,009		1,001
BlueMountain CLO, Ser 2018-2A, Cl AR2
1.210%, VAR ICE LIBOR USD 3 Month + 1.050%, 11/20/2028 (C)		552		552
Brazos Education Loan Authority, Ser 2012-1, Cl A1
0.792%, VAR ICE LIBOR USD 1 Month + 0.700%, 12/26/2035		1,226		1,219
Brazos Education Loan Authority, Ser 2021-2, Cl A1A
2.060%, 01/25/2072		1,400		1,409
Brazos Higher Education Authority, Ser 2010-1, Cl A2
1.378%, VAR ICE LIBOR USD 3 Month + 1.200%, 02/25/2035		4,835		4,891
Brazos Higher Education Authority, Ser 2011-1, Cl A2
0.978%, VAR ICE LIBOR USD 3 Month + 0.800%, 02/25/2030		379		381
Brazos Higher Education Authority, Ser 2011-2, Cl A3
1.124%, VAR ICE LIBOR USD 3 Month + 1.000%, 10/27/2036		3,520		3,538
BSPRT Issuer, Ser 2019-FL5, Cl A
1.240%, VAR ICE LIBOR USD 1 Month + 1.150%, 05/15/2029 (C)		3,974		3,963
Carlyle Global Market Strategies CLO, Ser 2018-3RA, Cl A1A
1.185%, VAR ICE LIBOR USD 3 Month + 1.050%, 07/27/2031 (C)		863		863
Carlyle US CLO, Ser 2021-1A, Cl A1
1.264%, VAR ICE LIBOR USD 3 Month + 1.140%, 04/15/2034 (C)		2,400		2,403
Carlyle US CLO, Ser 2021-1A, Cl A2R
1.782%, VAR ICE LIBOR USD 3 Month + 1.650%, 07/20/2034 (C)		3,030		3,028

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Catskill Park CLO, Ser 2017-1A, Cl A2
1.832%, VAR ICE LIBOR USD 3 Month + 1.700%, 04/20/2029 (C)	$	1,500	$	1,500
Cayuga Park CLO, Ser 2021-1A, Cl AR
1.242%, VAR ICE LIBOR USD 3 Month + 1.120%, 07/17/2034 (C)		2,360		2,359
CBAM, Ser 2017-1A, Cl A1
1.382%, VAR ICE LIBOR USD 3 Month + 1.250%, 07/20/2030 (C)		750		751
Cedar Funding V CLO, Ser 2020-5A, Cl AFRR
1.937%, 07/17/2031 (C)		1,580		1,564
Cedar Funding XI CLO, Ser 2021-11A, Cl B2R
1.776%, VAR ICE LIBOR USD 3 Month + 1.600%, 05/29/2032 (C)		3,320		3,320
Cerberus Loan Funding XXVIII, Ser 2020-1A, Cl A
1.974%, VAR ICE LIBOR USD 3 Month + 1.850%, 10/15/2031 (C)		700		702
Chase Funding Trust, Ser 2003-6, Cl 1A5
4.935%, 11/25/2034		118		123
Chase Funding Trust, Ser 2003-6, Cl 1A7
4.935%, 11/25/2034		117		122
CIFC Funding 2021-VII, Ser 2021-7A, Cl A1
1.258%, VAR ICE LIBOR USD 3 Month + 1.130%, 01/23/2035 (C)		6,225		6,225
CIT Education Loan Trust, Ser 2007-1, Cl A
0.222%, VAR ICE LIBOR USD 3 Month + 0.090%, 03/25/2042 (C)		1,445		1,417
Citicorp Residential Mortgage Trust, Ser 2006-2, Cl A5
5.258%, 09/25/2036		1,454		1,471
Citicorp Residential Mortgage Trust, Ser 2007-1, Cl A5
5.075%, 03/25/2037		547		555
College Avenue Student Loans LLC, Ser 2017-A, Cl A1
1.742%, VAR ICE LIBOR USD 1 Month + 1.650%, 11/26/2046 (C)		745		754
College Avenue Student Loans LLC, Ser 2018-A, Cl A2
4.130%, 12/26/2047 (C)		536		557
College Avenue Student Loans LLC, Ser 2019-A, Cl A2
3.280%, 12/28/2048 (C)		1,076		1,103
College Avenue Student Loans LLC, Ser 2021-A, Cl A2
1.600%, 07/25/2051 (C)		1,710		1,680
College Avenue Student Loans LLC, Ser 2021-B, Cl A2
1.760%, 06/25/2052 (C)		873		862
College Avenue Student Loans LLC, Ser 2021-C, Cl A2
2.320%, 07/26/2055 (C)		535		539

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

131

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
COOF Securitization Trust, Ser 2014-1, Cl A, IO
3.673%, 06/25/2040 (C)(F)	$	182	$	15
Countrywide Asset-Backed Certificates Trust, Ser 2004-6, Cl 1A1
0.632%, VAR ICE LIBOR USD 1 Month + 0.540%, 12/25/2034		2,164		2,119
Countrywide Asset-Backed Certificates Trust, Ser 2007-13, Cl 2A1
0.992%, VAR ICE LIBOR USD 1 Month + 0.900%, 10/25/2047		254		254
Countrywide Asset-Backed Certificates, Ser 2006-15, Cl A3
4.451%, 10/25/2046 (F)		–		–
Countrywide Asset-Backed Certificates, Ser 2006-SD3, Cl A1
0.752%, VAR ICE LIBOR USD 1 Month + 0.660%, 07/25/2036 (C)		41		40
Countrywide Home Equity Loan Revolving Home Equity Loan Trust, Ser 2007-A, Cl A
0.210%, VAR ICE LIBOR USD 1 Month + 0.120%, 04/15/2037		1,625		1,546
Credit-Based Asset Servicing and Securitization LLC, Ser 2003-CB3, Cl AF1
3.379%, 12/25/2032		27		27
Credit-Based Asset Servicing and Securitization LLC, Ser 2006-CB2, Cl AF2
3.081%, 12/25/2036		350		351
CSMC Trust, Ser 2017-RPL1, Cl A1
2.750%, 07/25/2057 (C)(F)		5,143		5,265
Dryden LXXV CLO, Ser 2021-75A, Cl AR2
1.164%, VAR ICE LIBOR USD 3 Month + 1.040%, 04/15/2034 (C)		1,260		1,261
Dryden LXXVII CLO, Ser 2021-77A, Cl BR
1.810%, VAR ICE LIBOR USD 3 Month + 1.650%, 05/20/2034 (C)		2,910		2,915
Dryden XXVI Senior Loan Fund, Ser 2018-26A, Cl AR
1.024%, VAR ICE LIBOR USD 3 Month + 0.900%, 04/15/2029 (C)		3,995		3,995
Educational Funding of the South, Ser 2011-1, Cl A2
0.774%, VAR ICE LIBOR USD 3 Month + 0.650%, 04/25/2035		1,495		1,499
EFS Volunteer No. 3 LLC, Ser 2012-1, Cl A3
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 04/25/2033 (C)		2,699		2,700
Elmwood CLO II, Ser 2021-2A, Cl AR
1.282%, VAR ICE LIBOR USD 3 Month + 1.150%, 04/20/2034 (C)		3,100		3,099
FirstKey Homes Trust, Ser 2020-SFR1, Cl A
1.339%, 08/17/2037 (C)		1,887		1,853

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
FirstKey Homes Trust, Ser 2020-SFR2, Cl A
1.266%, 10/19/2037 (C)	$	8,640	$	8,445
FirstKey Homes Trust, Ser 2021-SFR1, Cl A
1.538%, 08/17/2038 (C)		2,499		2,458
FirstKey Homes Trust, Ser 2021-SFR2, Cl A
1.376%, 09/17/2038 (C)		2,473		2,406
FirstKey Homes Trust, Ser 2021-SFR3, Cl A
2.135%, 12/17/2038 (C)		4,540		4,540
FNMA Grantor Trust, Ser 2017-T1, Cl A
2.898%, 06/25/2027		179		190
Galaxy XV CLO, Ser 2021-15A, Cl ARR
1.094%, VAR ICE LIBOR USD 3 Month + 0.970%, 10/15/2030 (C)		3,350		3,351
Global SC Finance II SRL, Ser 2014-1A, Cl A2
3.090%, 07/17/2029 (C)		735		740
GoldenTree Loan Management US CLO I, Ser 2021-11A, Cl B
1.717%, VAR ICE LIBOR USD 3 Month + 1.600%, 10/20/2034 (C)		6,000		6,000
Golub Capital Partners CLO, Ser 2019-45A, Cl A
1.852%, VAR ICE LIBOR USD 3 Month + 1.720%, 10/20/2031 (C)		1,500		1,505
Great Lakes Kcap F3c Senior LLC, Ser 2017-1A, Cl A
2.022%, VAR ICE LIBOR USD 3 Month + 1.900%, 12/20/2029 (C)		4,070		4,069
Halcyon Loan Advisors Funding, Ser 2018-2A, Cl AR
1.204%, VAR ICE LIBOR USD 3 Month + 1.080%, 07/25/2027 (C)		30		30
Halsey Point CLO I, Ser 2019-1A, Cl A1A1
1.482%, VAR ICE LIBOR USD 3 Month + 1.350%, 01/20/2033 (C)		590		590
Halsey Point CLO III, Ser 2020-3A, Cl A1A
1.579%, VAR ICE LIBOR USD 3 Month + 1.450%, 11/30/2032 (C)		700		703
Hardee's Funding LLC, Ser 2021-1A, Cl A2
2.865%, 06/20/2051 (C)		3,751		3,639
HGI CRE CLO, Ser 2021-FL1, Cl A
1.139%, VAR ICE LIBOR USD 1 Month + 1.050%, 06/16/2036 (C)		3,020		3,012
Higher Education Funding I, Ser 2014-1, Cl A
1.230%, VAR ICE LIBOR USD 3 Month + 1.050%, 05/25/2034 (C)		1,906		1,912
Hildene Community Funding CDO, Ser 2021-1A, Cl ARR
2.600%, 11/01/2035 (C)		2,220		2,203
Hilton Grand Vacations Trust, Ser 2020-AA, Cl A
2.740%, 02/25/2039 (C)		1,112		1,145

132

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Home Partners of America Trust, Ser 2019-2, Cl A
2.703%, 10/19/2039 (C)	$	3,384	$	3,469
Home Partners of America Trust, Ser 2021-2, Cl A
1.901%, 12/17/2026 (C)		3,090		3,096
Hotwire Funding LLC, Ser 2021-1, Cl A2
2.311%, 11/20/2051 (C)		1,625		1,621
HPS Loan Management, Ser 2021-16A, Cl A1
1.395%, VAR ICE LIBOR USD 3 Month + 1.140%, 01/23/2035 (C)		7,730		7,730
HSI Asset Securitization Trust, Ser 2006-OPT3, Cl 3A3
0.452%, VAR ICE LIBOR USD 1 Month + 0.360%, 02/25/2036		71		71
Invitation Homes Trust, Ser 2018-SFR2, Cl A
0.990%, VAR ICE LIBOR USD 1 Month + 0.900%, 06/17/2037 (C)		5,540		5,540
JGWPT XXX LLC, Ser 2013-3A, Cl A
4.080%, 01/17/2073 (C)		1,339		1,487
JGWPT XXXII LLC, Ser 2014-2A, Cl A
3.610%, 01/17/2073 (C)		1,801		1,953
KGS-Alpha SBA COOF Trust, Ser 2012-A, Cl A, IO
0.951%, 08/25/2038 (C)(F)		732		15
KGS-Alpha SBA COOF Trust, Ser 2014-2, Cl A, IO
3.397%, 04/25/2040 (C)(F)		148		12
KKR CLO XXXII, Ser 2020-32A, Cl A1
1.444%, VAR ICE LIBOR USD 3 Month + 1.320%, 01/15/2032 (C)		900		902
LCM Loan Income Fund I Income Note Issuer, Ser 2018-27A, Cl A1
1.202%, VAR ICE LIBOR USD 3 Month + 1.080%, 07/16/2031 (C)		925		926
LCM XIII, Ser 2019-13A, Cl ARR
1.264%, VAR ICE LIBOR USD 3 Month + 1.140%, 07/19/2027 (C)		2,336		2,336
LCM XVIII, Ser 2019-19A, Cl AR
1.364%, VAR ICE LIBOR USD 3 Month + 1.240%, 07/15/2027 (C)		191		191
LCM XXI, Ser 2018-21A, Cl AR
1.012%, VAR ICE LIBOR USD 3 Month + 0.880%, 04/20/2028 (C)		916		915
LCM XXIV, Ser 2021-24A, Cl AR
1.112%, VAR ICE LIBOR USD 3 Month + 0.980%, 03/20/2030 (C)		5,900		5,904
LCM XXXII, Ser 2021-32A, Cl B
1.832%, VAR ICE LIBOR USD 3 Month + 1.700%, 07/20/2034 (C)		2,850		2,859
LoanCore Issuer, Ser 2019-CRE2, Cl A
1.220%, VAR ICE LIBOR USD 1 Month + 1.130%, 05/15/2036 (C)		2,448		2,447

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Madison Park Funding X, Ser 2021-10A, Cl AR3
1.142%, VAR ICE LIBOR USD 3 Month + 1.010%, 01/20/2029 (C)	$	3,565	$	3,566
Madison Park Funding XXXV, Ser 2021-35A, Cl A1R
1.122%, VAR ICE LIBOR USD 3 Month + 0.990%, 04/20/2032 (C)		4,010		4,009
Magnetite XIV-R, Ser 2018-14RA, Cl A2
1.242%, VAR ICE LIBOR USD 3 Month + 1.120%, 10/18/2031 (C)		2,910		2,908
Magnetite XXVIII, Ser 2021-28A, Cl AR
0.000%, 01/20/2035(C)(G)		3,300		3,300
MF1, Ser 2020-FL4, Cl A
1.862%, VAR SOFR30A + 1.814%, 11/15/2035 (C)		1,830		1,838
MF1, Ser 2021-FL7, Cl A
1.169%, VAR ICE LIBOR USD 1 Month + 1.080%, 10/16/2036 (C)		3,875		3,866
Mid-State Capital Trust, Ser 2004-1, Cl A
6.005%, 08/15/2037		116		121
Mid-State Capital Trust, Ser 2006-1, Cl A
5.787%, 10/15/2040 (C)		2,608		2,719
Mid-State Trust XI, Ser 2003-11, Cl A1
4.864%, 07/15/2038		1,179		1,224
MKS CLO, Ser 2018-2A, Cl A
1.322%, VAR ICE LIBOR USD 3 Month + 1.190%, 01/20/2031 (C)		1,500		1,504
MVW LLC, Ser 2021-1WA, Cl A
1.140%, 01/22/2041 (C)		1,613		1,588
MVW LLC, Ser 2021-1WA, Cl B
1.440%, 01/22/2041 (C)		811		802
Myers Park CLO, Ser 2018-1A, Cl B1
1.732%, VAR ICE LIBOR USD 3 Month + 1.600%, 10/20/2030 (C)		890		890
Navient Private Education Loan Trust, Ser 2014-AA, Cl A3
1.689%, VAR ICE LIBOR USD 1 Month + 1.600%, 10/15/2031 (C)		1,086		1,104
Navient Private Education Loan Trust, Ser 2016-AA, Cl A2B
2.239%, VAR ICE LIBOR USD 1 Month + 2.150%, 12/15/2045 (C)		516		530
Navient Private Education Loan Trust, Ser 2018-BA, Cl A2A
3.610%, 12/15/2059 (C)		942		975
Navient Private Education Loan Trust, Ser 2020-IA, Cl A1A
1.330%, 04/15/2069 (C)		4,971		4,913
Navient Private Education Refi Loan Trust, Ser 2018-A, Cl A2
3.190%, 02/18/2042 (C)		194		196

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SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Navient Private Education Refi Loan Trust, Ser 2018-CA, Cl A2
3.520%, 06/16/2042 (C)	$	365	$	371
Navient Private Education Refi Loan Trust, Ser 2018-DA, Cl A2A
4.000%, 12/15/2059 (C)		2,639		2,762
Navient Private Education Refi Loan Trust, Ser 2019-A, Cl A2A
3.420%, 01/15/2043 (C)		1,939		1,978
Navient Private Education Refi Loan Trust, Ser 2019-CA, Cl A2
3.130%, 02/15/2068 (C)		3,006		3,073
Navient Private Education Refi Loan Trust, Ser 2019-D, Cl A2A
3.010%, 12/15/2059 (C)		2,822		2,912
Navient Private Education Refi Loan Trust, Ser 2019-FA, Cl A2
2.600%, 08/15/2068 (C)		3,922		3,996
Navient Private Education Refi Loan Trust, Ser 2019-GA, Cl A
2.400%, 10/15/2068 (C)		998		1,014
Navient Private Education Refi Loan Trust, Ser 2020-BA, Cl A2
2.120%, 01/15/2069 (C)		1,152		1,166
Navient Private Education Refi Loan Trust, Ser 2020-DA, Cl A
1.690%, 05/15/2069 (C)		1,367		1,374
Navient Private Education Refi Loan Trust, Ser 2020-EA, Cl A
1.690%, 05/15/2069 (C)		2,056		2,061
Navient Private Education Refi Loan Trust, Ser 2020-FA, Cl A
1.220%, 07/15/2069 (C)		2,722		2,719
Navient Private Education Refi Loan Trust, Ser 2020-GA, Cl A
1.170%, 09/16/2069 (C)		5,963		5,943
Navient Private Education Refi Loan Trust, Ser 2020-HA, Cl A
1.310%, 01/15/2069 (C)		2,427		2,420
Navient Private Education Refi Loan Trust, Ser 2021-A, Cl A
0.840%, 05/15/2069 (C)		982		970
Navient Private Education Refi Loan Trust, Ser 2021-BA, Cl A
0.940%, 07/15/2069 (C)		2,354		2,335
Navient Private Education Refi Loan Trust, Ser 2021-CA, Cl A
1.060%, 10/15/2069 (C)		4,001		3,958
Navient Private Education Refi Loan Trust, Ser 2021-EA, Cl A
0.970%, 12/16/2069 (C)		6,757		6,661

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Navient Private Education Refi Loan Trust, Ser 2021-FA, Cl A
1.110%, 02/18/2070 (C)	$	6,311	$	6,223
Navient Private Education Refi Loan Trust, Ser 2021-GA, Cl A
1.580%, 04/15/2070 (C)		5,556		5,547
Navient Student Loan Trust, Ser 2014-1, Cl A3
0.602%, VAR ICE LIBOR USD 1 Month + 0.510%, 06/25/2031		3,153		3,111
Navient Student Loan Trust, Ser 2014-3, Cl A
0.712%, VAR ICE LIBOR USD 1 Month + 0.620%, 03/25/2083		3,723		3,727
Navient Student Loan Trust, Ser 2014-4, Cl A
0.712%, VAR ICE LIBOR USD 1 Month + 0.620%, 03/25/2083		2,530		2,532
Navient Student Loan Trust, Ser 2016-3A, Cl A3
1.442%, VAR ICE LIBOR USD 1 Month + 1.350%, 06/25/2065 (C)		1,728		1,778
Navient Student Loan Trust, Ser 2017-3A, Cl A3
1.142%, VAR ICE LIBOR USD 1 Month + 1.050%, 07/26/2066 (C)		6,630		6,646
Navient Student Loan Trust, Ser 2019-BA, Cl A2A
3.390%, 12/15/2059 (C)		3,268		3,370
Navient Student Loan Trust, Ser 2021-1A, Cl A1A
1.310%, 12/26/2069 (C)		1,293		1,261
Navient Student Loan Trust, Ser 2021-3A, Cl A1A
1.770%, 08/25/2070 (C)		3,051		3,029
Nelnet Student Loan Trust, Ser 2004-3, Cl A5
0.304%, VAR ICE LIBOR USD 3 Month + 0.180%, 10/27/2036		902		889
Nelnet Student Loan Trust, Ser 2004-4, Cl A5
0.284%, VAR ICE LIBOR USD 3 Month + 0.160%, 01/25/2037		1,701		1,677
Nelnet Student Loan Trust, Ser 2005-1, Cl A5
0.234%, VAR ICE LIBOR USD 3 Month + 0.110%, 10/25/2033		5,681		5,608
Nelnet Student Loan Trust, Ser 2005-2, Cl A5
0.225%, VAR ICE LIBOR USD 3 Month + 0.100%, 03/23/2037		5,093		5,015
Nelnet Student Loan Trust, Ser 2005-3, Cl A5
0.245%, VAR ICE LIBOR USD 3 Month + 0.120%, 12/24/2035		4,459		4,411

134

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Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Nelnet Student Loan Trust, Ser 2005-4, Cl A4
0.305%, VAR ICE LIBOR USD 3 Month + 0.180%, 03/22/2032	$	687	$	667
Nelnet Student Loan Trust, Ser 2014-4A, Cl A2
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 11/25/2048 (C)		3,735		3,813
Nelnet Student Loan Trust, Ser 2021-CA, Cl AFX
1.320%, 04/20/2062 (C)		3,446		3,408
Neuberger Berman Loan Advisers CLO XL, Ser 2021-40A, Cl A
1.182%, VAR ICE LIBOR USD 3 Month + 1.060%, 04/16/2033 (C)		4,175		4,182
Newcastle Mortgage Securities Trust, Ser 2007-1, Cl 1A1
0.282%, VAR ICE LIBOR USD 1 Month + 0.190%, 04/25/2037		8,280		8,100
NP SPE X, Ser 2021-1A, Cl A1
2.230%, 03/19/2051 (C)		2,570		2,563
Octagon Investment Partners L, Ser 2021-4A, Cl AR
1.273%, VAR ICE LIBOR USD 3 Month + 1.150%, 01/15/2035 (C)		3,235		3,235
Octagon Investment Partners XIV, Ser 2021-1A, Cl AARR
1.074%, VAR ICE LIBOR USD 3 Month + 0.950%, 07/15/2029 (C)		6,000		6,001
Octagon Investment Partners XLV, Ser 2019-1A, Cl A
1.454%, VAR ICE LIBOR USD 3 Month + 1.330%, 10/15/2032 (C)		1,500		1,501
Octagon Investment Partners XXI, Ser 2021-1A, Cl AAR3
1.156%, VAR ICE LIBOR USD 3 Month + 1.000%, 02/14/2031 (C)		1,300		1,301
OHA Credit Funding VII, Ser 2020-7A, Cl A
1.374%, VAR ICE LIBOR USD 3 Month + 1.250%, 10/19/2032 (C)		760		760
Orange Lake Timeshare Trust, Ser 2018-A, Cl A
3.100%, 11/08/2030 (C)		195		199
Orange Lake Timeshare Trust, Ser 2019-A, Cl A
3.060%, 04/09/2038 (C)		1,164		1,188
Owl Rock CLO III, Ser 2020-3A, Cl A1L
1.932%, VAR ICE LIBOR USD 3 Month + 1.800%, 04/20/2032 (C)		1,620		1,623
Palmer Square CLO, Ser 2021-1A, Cl A1R
0.000%, 11/14/2034(C)(G)		2,430		2,430

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Parliament Funding II, Ser 2020-1A, Cl A
2.582%, VAR ICE LIBOR USD 3 Month + 2.450%, 08/12/2030 (C)	$	1,525	$	1,525
Pawneee Equipment Receivables, Ser 2021-1, Cl A2
1.100%, 07/15/2027 (C)		2,055		2,046
Point Au Roche Park CLO, Ser 2021-1A, Cl A
1.256%, VAR ICE LIBOR USD 3 Month + 1.080%, 07/20/2034 (C)		3,130		3,129
Progress Residential Trust, Ser 2019-SFR2, Cl A
3.147%, 05/17/2036 (C)		253		255
Progress Residential Trust, Ser 2019-SFR3, Cl A
2.271%, 09/17/2036 (C)		2,666		2,690
Progress Residential Trust, Ser 2019-SFR4, Cl A
2.687%, 10/17/2036 (C)		2,235		2,265
Progress Residential Trust, Ser 2021-SFR3, Cl A
1.637%, 05/17/2026 (C)		6,190		6,130
Progress Residential Trust, Ser 2021-SFR8, Cl A
1.510%, 10/17/2038 (C)		5,570		5,477
RAMP Trust, Ser 2007-RZ1, Cl A3
0.592%, VAR ICE LIBOR USD 1 Month + 0.250%, 02/25/2037		7,567		7,526
RASC Trust, Ser 2006-KS2, Cl M2
0.677%, VAR ICE LIBOR USD 1 Month + 0.585%, 03/25/2036		2,879		2,866
Recette CLO, Ser 2021-1A, Cl ARR
1.212%, VAR ICE LIBOR USD 3 Month + 1.080%, 04/20/2034 (C)		760		760
REESE PARK CLO, Ser 2021-1A, Cl AR
0.000%, 10/15/2034(C)(G)		3,690		3,690
Rockford Tower CLO, Ser 2021-2A, Cl AR
1.260%, VAR ICE LIBOR USD 3 Month + 1.100%, 08/20/2032 (C)		5,000		4,999
RR III, Ser 2018-3A, Cl A1R2
1.214%, VAR ICE LIBOR USD 3 Month + 1.090%, 01/15/2030 (C)		1,100		1,101
SBA Small Business Investment, Ser 2018-10B, Cl 1
3.548%, 09/10/2028		1,833		1,949
SBA Small Business Investment, Ser 2019-10A, Cl 1
3.113%, 03/10/2029		938		987
Sequoia Infrastructure Funding I, Ser 2021-1A, Cl A
1.524%, VAR ICE LIBOR USD 3 Month + 1.400%, 04/15/2031 (C)		1,666		1,665

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

135

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Silver Rock CLO I, Ser 2020-1A, Cl A
1.782%, VAR ICE LIBOR USD 3 Month + 1.650%, 10/20/2031 (C)	$	2,350	$	2,357
SLM Student Loan Trust, Ser 2003-1, Cl A5C
0.866%, VAR ICE LIBOR USD 3 Month + 0.750%, 12/15/2032 (C)		965		953
SLM Student Loan Trust, Ser 2003-4, Cl A5D
0.866%, VAR ICE LIBOR USD 3 Month + 0.750%, 03/15/2033 (C)		852		841
SLM Student Loan Trust, Ser 2003-7A, Cl A5A
1.316%, VAR ICE LIBOR USD 3 Month + 1.200%, 12/15/2033 (C)		3,127		3,131
SLM Student Loan Trust, Ser 2006-8, Cl A6
0.284%, VAR ICE LIBOR USD 3 Month + 0.160%, 01/25/2041		4,135		4,052
SLM Student Loan Trust, Ser 2007-2, Cl A4
0.184%, VAR ICE LIBOR USD 3 Month + 0.060%, 07/25/2022		4,875		4,732
SLM Student Loan Trust, Ser 2008-2, Cl B
1.324%, VAR ICE LIBOR USD 3 Month + 1.200%, 01/25/2083		1,155		1,042
SLM Student Loan Trust, Ser 2008-3, Cl B
1.324%, VAR ICE LIBOR USD 3 Month + 1.200%, 04/26/2083		1,155		1,098
SLM Student Loan Trust, Ser 2008-4, Cl B
1.974%, VAR ICE LIBOR USD 3 Month + 1.850%, 04/25/2073		1,155		1,148
SLM Student Loan Trust, Ser 2008-5, Cl B
1.974%, VAR ICE LIBOR USD 3 Month + 1.850%, 07/25/2073		1,155		1,147
SLM Student Loan Trust, Ser 2008-6, Cl A4
1.224%, VAR ICE LIBOR USD 3 Month + 1.100%, 07/25/2023		4,318		4,314
SLM Student Loan Trust, Ser 2008-6, Cl B
1.974%, VAR ICE LIBOR USD 3 Month + 1.850%, 07/26/2083		1,155		1,159
SLM Student Loan Trust, Ser 2008-7, Cl B
1.974%, VAR ICE LIBOR USD 3 Month + 1.850%, 07/26/2083		1,155		1,161
SLM Student Loan Trust, Ser 2008-8, Cl B
2.374%, VAR ICE LIBOR USD 3 Month + 2.250%, 10/25/2075		1,155		1,176
SLM Student Loan Trust, Ser 2008-9, Cl A
1.624%, VAR ICE LIBOR USD 3 Month + 1.500%, 04/25/2023		2,921		2,941
SLM Student Loan Trust, Ser 2008-9, Cl B
2.374%, VAR ICE LIBOR USD 3 Month + 2.250%, 10/25/2083		1,155		1,171
SLM Student Loan Trust, Ser 2010-1, Cl A
0.492%, VAR ICE LIBOR USD 1 Month + 0.400%, 03/25/2025		117		115

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
SLM Student Loan Trust, Ser 2011-2, Cl A2
1.292%, VAR ICE LIBOR USD 1 Month + 1.200%, 10/25/2034	$	495	$	500
SLM Student Loan Trust, Ser 2012-1, Cl A3
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 09/25/2028		3,233		3,204
SLM Student Loan Trust, Ser 2012-2, Cl A
0.792%, VAR ICE LIBOR USD 1 Month + 0.700%, 01/25/2029		2,803		2,757
SLM Student Loan Trust, Ser 2012-6, Cl A3
0.842%, VAR ICE LIBOR USD 1 Month + 0.750%, 05/26/2026		581		571
SLM Student Loan Trust, Ser 2014-3A, Cl A6A
0.674%, VAR ICE LIBOR USD 3 Month + 0.550%, 10/25/2064 (C)		6,891		6,843
SLM Student Loan Trust, Ser 2021-10A, Cl A4
0.786%, VAR ICE LIBOR USD 3 Month + 0.670%, 12/17/2068 (C)		3,912		3,922
SMB Private Education Loan Trust, Ser 2016-A, Cl A2A
2.700%, 05/15/2031 (C)		1,382		1,404
SMB Private Education Loan Trust, Ser 2016-B, Cl A2A
2.430%, 02/17/2032 (C)		692		703
SMB Private Education Loan Trust, Ser 2016-B, Cl A2B
1.539%, VAR ICE LIBOR USD 1 Month + 1.450%, 02/17/2032 (C)		899		909
SMB Private Education Loan Trust, Ser 2016-C, Cl A2B
1.189%, VAR ICE LIBOR USD 1 Month + 1.100%, 09/15/2034 (C)		811		815
SMB Private Education Loan Trust, Ser 2018-C, Cl A2A
3.630%, 11/15/2035 (C)		928		966
SMB Private Education Loan Trust, Ser 2019-A, Cl A2A
3.440%, 07/15/2036 (C)		4,363		4,491
SMB Private Education Loan Trust, Ser 2020-BA, Cl A1A
1.290%, 07/15/2053 (C)		2,972		2,947
SMB Private Education Loan Trust, Ser 2020-PTA, Cl A2A
1.600%, 09/15/2054 (C)		2,801		2,794
SMB Private Education Loan Trust, Ser 2020-PTB, Cl A2A
1.600%, 09/15/2054 (C)		8,596		8,499
SMB Private Education Loan Trust, Ser 2021-A, Cl APT1
1.070%, 01/15/2053 (C)		8,509		8,282

136

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
SMB Private Education Loan Trust, Ser 2021-B, Cl A
1.310%, 07/17/2051 (C)	$	5,348	$	5,329
SMB Private Education Loan Trust, Ser 2021-C, Cl A2
0.890%, VAR ICE LIBOR USD 1 Month + 0.800%, 01/15/2053 (C)		3,005		3,001
SMB Private Education Loan Trust, Ser 2021-C, Cl APT1
1.390%, 01/15/2053 (C)		3,558		3,509
SMB Private Education Loan Trust, Ser 2021-C, Cl B
2.300%, 01/15/2053 (C)		1,010		1,016
SMB Private Education Loan Trust, Ser 2021-D, Cl A1A
1.340%, 03/17/2053 (C)		7,585		7,486
SMB Private Education Loan Trust, Ser 2021-E, Cl A1A
1.680%, 02/15/2051 (C)		3,860		3,838
SoFi Consumer Loan Program Trust, Ser 2019-4, Cl A
2.450%, 08/25/2028 (C)		150		150
SoFi Professional Loan Program LLC, Ser 2016-A, Cl A2
2.760%, 12/26/2036 (C)		310		311
SoFi Professional Loan Program LLC, Ser 2016-D, Cl A1
1.042%, VAR ICE LIBOR USD 1 Month + 0.950%, 01/25/2039 (C)		52		53
SoFi Professional Loan Program LLC, Ser 2016-E, Cl A1
0.942%, VAR ICE LIBOR USD 1 Month + 0.850%, 07/25/2039 (C)		60		60
SoFi Professional Loan Program LLC, Ser 2017-A, Cl A1
0.792%, VAR ICE LIBOR USD 1 Month + 0.700%, 03/26/2040 (C)		99		99
SoFi Professional Loan Program LLC, Ser 2017-D, Cl A2FX
2.650%, 09/25/2040 (C)		77		78
SoFi Professional Loan Program LLC, Ser 2017-E, Cl A1
0.592%, VAR ICE LIBOR USD 1 Month + 0.500%, 11/26/2040 (C)		25		25
SoFi Professional Loan Program LLC, Ser 2017-E, Cl A2B
2.720%, 11/26/2040 (C)		379		384
SoFi Professional Loan Program LLC, Ser 2018-A, Cl A2B
2.950%, 02/25/2042 (C)		476		484
SoFi Professional Loan Program LLC, Ser 2021-A, Cl AFX
1.030%, 08/17/2043 (C)		2,124		2,098

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
SoFi Professional Loan Program LLC, Ser 2021-B, Cl AFX
1.140%, 02/15/2047 (C)	$	2,304	$	2,281
SoFi Professional Loan Program Trust, Ser 2018-B, Cl A2FX
3.340%, 08/25/2047 (C)		1,521		1,550
SoFi Professional Loan Program Trust, Ser 2020-C, Cl AFX
1.950%, 02/15/2046 (C)		1,708		1,723
South Carolina Student Loan, Ser 2015-A, Cl A
1.592%, VAR ICE LIBOR USD 1 Month + 1.500%, 01/25/2036		1,428		1,438
Southwick Park CLO LLC, Ser 2021-4A, Cl A1R
0.000%, 07/20/2032(C)(G)		5,170		5,170
Stack Infrastructure Issuer LLC, Ser 2020-1A, Cl A2
1.893%, 08/25/2045 (C)		2,480		2,456
Structured Asset Investment Loan Trust, Ser 2004-8, Cl A2
0.642%, VAR ICE LIBOR USD 1 Month + 0.550%, 09/25/2034		2,804		2,750
Structured Asset Securities Mortgage Loan Trust, Ser 2006-BC5, Cl A4
0.432%, VAR ICE LIBOR USD 1 Month + 0.340%, 12/25/2036		3,271		3,235
STWD, Ser 2019-FL1, Cl A
1.242%, VAR SOFR30A + 1.194%, 07/15/2038 (C)		715		714
Symphony CLO XXVI, Ser 2021-26A, Cl AR
1.212%, VAR ICE LIBOR USD 3 Month + 1.080%, 04/20/2033 (C)		2,405		2,404
TCI-Flatiron CLO, Ser 2021-1A, Cl AR2
1.272%, VAR ICE LIBOR USD 3 Month + 1.150%, 01/17/2032 (C)		540		540
Towd Point Mortgage Trust, Ser 2017-4, Cl B2
3.444%, 06/25/2057 (C)(F)		1,860		1,946
Towd Point Mortgage Trust, Ser 2018-2, Cl A1
3.250%, 03/25/2058 (C)(F)		815		836
Towd Point Mortgage Trust, Ser 2019-4, Cl A1
2.900%, 10/25/2059 (C)(F)		1,798		1,836
Towd Point Mortgage Trust, Ser 2019-HY2, Cl A1
1.092%, VAR ICE LIBOR USD 1 Month + 1.000%, 05/25/2058 (C)		1,859		1,866
Towd Point Mortgage Trust, Ser 2019-MH1, Cl A1
3.000%, 11/25/2058 (C)(F)		2,022		2,050

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

137

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Towd Point Mortgage Trust, Ser 2020-3, Cl A1
3.088%, 02/25/2063 (C)(F)	$	2,346	$	2,398
Trestles CLO IV, Ser 2021-4A, Cl B1
1.824%, VAR ICE LIBOR USD 3 Month + 1.700%, 07/21/2034 (C)		6,300		6,297
Triton Container Finance VIII LLC, Ser 2020-1A, Cl A
2.110%, 09/20/2045 (C)		872		866
TRP - TRIP Rail Master Funding LLC, Ser 2021-2, Cl A
2.150%, 06/19/2051 (C)		2,200		2,188
United States Small Business Administration, Ser 2019-20D, Cl 1
2.980%, 04/01/2039		269		289
United States Small Business Administration, Ser 2019-25G, Cl 1
2.690%, 07/01/2044		536		563
Venture XXXII CLO, Ser 2018-32A, Cl A2A
1.192%, VAR ICE LIBOR USD 3 Month + 1.070%, 07/18/2031 (C)		900		900
Verizon Master Trust, Ser 2021-1, Cl A
0.500%, 05/20/2027		3,786		3,745
Verizon Master Trust, Ser 2021-2, Cl A
0.990%, 04/20/2028		6,177		6,156
Verizon Owner Trust, Ser 2020-A, Cl A1A
1.850%, 07/22/2024		585		590
Voya CLO, Ser 2018-3A, Cl A1A
1.274%, VAR ICE LIBOR USD 3 Month + 1.150%, 10/15/2031 (C)		2,810		2,814
Voya CLO, Ser 2018-3A, Cl A1R
1.312%, VAR ICE LIBOR USD 3 Month + 1.190%, 10/18/2031 (C)		750		750
Voya CLO, Ser 2021-3A, Cl A1R
1.172%, VAR ICE LIBOR USD 3 Month + 1.040%, 04/20/2034 (C)		1,110		1,110
Wells Fargo Home Equity Asset-Backed Securities Trust, Ser 2006-2, Cl M2
0.382%, VAR ICE LIBOR USD 1 Month + 0.290%, 07/25/2036		10,500		10,336
Wendy's Funding LLC, Ser 2021-1A, Cl A2I
2.370%, 06/15/2051 (C)		4,030		3,974
Whitebox Clo II, Ser 2021-2A, Cl A1R
1.351%, VAR ICE LIBOR USD 3 Month + 1.220%, 10/24/2034 (C)		1,810		1,810
Whitebox CLO III, Ser 2021-3A, Cl A1
1.341%, VAR ICE LIBOR USD 3 Month + 1.220%, 10/15/2034 (C)		2,140		2,139
Z Capital Credit Partners CLO, Ser 2021-1A, Cl A1R
1.632%, VAR ICE LIBOR USD 3 Month + 1.510%, 07/16/2031 (C)		1,910		1,909

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Zais CLO XIII, Ser 2019-13A, Cl A1A
1.614%, VAR ICE LIBOR USD 3 Month + 1.490%, 07/15/2032 (C)	$	1,302	$	1,308
				643,815
Total Asset-Backed Securities
(Cost $747,932) ($ Thousands)				749,899
SOVEREIGN DEBT — 1.4%
Abu Dhabi Government International Bond
3.875%, 04/16/2050(C)		1,010		1,169
3.000%, 09/15/2051(C)		1,193		1,186
2.500%, 10/11/2022(C)		4,220		4,289
1.700%, 03/02/2031(C)		440		424
Chile Government International Bond
3.100%, 05/07/2041		2,600		2,555
China Government Bond
3.310%, 11/30/2025	CNY	5,000		802
Colombia Government International Bond
5.625%, 02/26/2044	$	2,570		2,527
5.200%, 05/15/2049		5,725		5,330
5.000%, 06/15/2045		3,310		3,033
3.250%, 04/22/2032		250		223
3.125%, 04/15/2031		1,010		904
Export-Import Bank of India
3.375%, 08/05/2026(C)		1,410		1,488
Indonesia Government International Bond
5.875%, 01/15/2024(C)		1,264		1,389
5.250%, 01/08/2047(C)		1,210		1,515
5.125%, 01/15/2045(C)		2,240		2,722
4.750%, 07/18/2047(C)		400		474
3.850%, 07/18/2027(C)		1,610		1,764
3.750%, 04/25/2022		500		505
Israel Government AID Bond
5.500%, 09/18/2033		1,000		1,398
4.321%, 11/01/2024(A)		1,000		964
3.646%, 02/15/2025(A)		1,000		956
3.590%, 08/15/2025(A)		1,000		948
Israel Government International Bond
3.375%, 01/15/2050		430		457
2.750%, 07/03/2030		720		759
Japan Bank for International Cooperation
1.750%, 10/17/2024		2,094		2,138
Kazakhstan Government International Bond
4.875%, 10/14/2044(C)		2,480		3,028
Kuwait International Government Bond
3.500%, 03/20/2027(C)		1,810		1,968

138

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
SOVEREIGN DEBT (continued)
Mexico Government International Bond
6.050%, 01/11/2040	$	4,408	$	5,435
4.750%, 03/08/2044		5,240		5,657
4.500%, 04/22/2029		2,813		3,132
4.500%, 01/31/2050		401		417
4.280%, 08/14/2041		3,528		3,632
4.000%, 10/02/2023		158		167
2.659%, 05/24/2031		5,705		5,506
Panama Government International Bond
6.700%, 01/26/2036		1,830		2,405
4.500%, 05/15/2047		2,430		2,629
4.500%, 04/01/2056		830		890
4.300%, 04/29/2053		950		995
3.160%, 01/23/2030		310		317
2.252%, 09/29/2032		870		811
Paraguay Government International Bond
5.400%, 03/30/2050(C)		1,321		1,450
4.950%, 04/28/2031(C)		441		485
Peruvian Government International Bond
6.550%, 03/14/2037		1,070		1,435
5.625%, 11/18/2050		1,830		2,492
3.600%, 01/15/2072		1,690		1,606
3.550%, 03/10/2051		950		949
3.300%, 03/11/2041		1,680		1,627
3.000%, 01/15/2034		2,684		2,627
2.783%, 01/23/2031		3,784		3,748
2.392%, 01/23/2026		1,600		1,624
Poland Government International Bond
4.000%, 01/22/2024		7,800		8,253
Qatar Government International Bond
4.817%, 03/14/2049(C)		3,170		4,093
4.000%, 03/14/2029(C)		1,380		1,548
3.875%, 04/23/2023		2,870		2,992
Republic of Italy Government International Bond
3.875%, 05/06/2051		2,427		2,648
Russian Foreign Bond - Eurobond
5.625%, 04/04/2042		7,200		9,347
Saudi Government International Bond MTN
2.875%, 03/04/2023(C)		530		544
Uruguay Government International Bond
5.100%, 06/18/2050		2,630		3,411
4.375%, 01/23/2031		3,280		3,773
Total Sovereign Debt
(Cost $124,457) ($ Thousands)				131,560
U.S. GOVERNMENT AGENCY OBLIGATIONS — 0.9%
FHLB
1.200%, 12/23/2024		24,815		24,841
1.040%, 06/14/2024		24,830		24,836

Description	Face Amount (Thousands)		Market Value ($ Thousands)
U.S. GOVERNMENT AGENCY OBLIGATIONS (continued)
FHLMC
2.375%, 01/13/2022	$	565	$	566
1.734%, 09/15/2029(A)		4,606		4,047
1.470%, 07/15/2031(A)		600		515
1.310%, 03/15/2031(A)		1,850		1,600
FHLMC MTN
1.731%, 12/14/2029(A)		2,887		2,541
FNMA
2.625%, 09/06/2024		510		536
2.000%, 01/05/2022		70		70
1.820%, 11/15/2030(A)		8,487		7,309
0.500%, 06/17/2025		7,405		7,262
Resolution Funding Interest STRIP
1.343%, 01/15/2030(A)		1,930		1,697
Resolution Funding Principal STRIP
1.322%, 04/15/2030(A)		2,570		2,246
Tennessee Valley Authority
0.750%, 05/15/2025		1,895		1,879
Tennessee Valley Authority Principal STRIP, PO
0.000%, 11/01/2025(A)		1,000		950
Total U.S. Government Agency Obligations
(Cost $80,756) ($ Thousands)				80,895
MUNICIPAL BONDS — 0.3%
California — 0.1%
California State University, Ser B, RB
Callable 11/01/2031 @ 100
2.374%, 11/01/2035		1,260		1,259
University of California Regents, Ser N, RB
Callable 11/15/2059 @ 100
3.256%, 05/15/2060		4,750		5,309
				6,568
Georgia — 0.1%
Georgia State, Municipal Electric Authority, Build America Project, RB
7.055%, 04/01/2057		160		242
6.637%, 04/01/2057		2,328		3,622
				3,864
Nevada — 0.0%
Clark County, Airport System Revenue, Build America Project, Ser C, RB
6.820%, 07/01/2045		1,170		1,861
New York — 0.1%
New York & New Jersey, Port Authority, RB
4.458%, 10/01/2062		1,600		2,191

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

139

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MUNICIPAL BONDS (continued)
New York City, Ser D, GO
1.823%, 08/01/2030	$	2,205	$	2,167
New York City, GO
Callable 08/01/2029 @ 100
3.000%, 08/01/2034		870		908
New York City, Transitional Finance Authority Future Tax Secured Revenue, Ser D-3, RB
Callable 11/01/2030 @ 100
2.400%, 11/01/2032		1,085		1,105
New York City, Transitional Finance Authority, Future Tax Secured Revenue, RB
5.508%, 08/01/2037		1,670		2,237
New York State, Dormitory Authority, Ser F, RB
3.110%, 02/15/2039		2,795		3,007
New York State, Transportation Authority, Ser C2, RB
5.175%, 11/15/2049		480		668
				12,283
Ohio — 0.0%
Ohio State University, Build America Project, Ser A, RB
4.800%, 06/01/2111		689		1,098
Oregon — 0.0%
Oregon State, GO
5.762%, 06/01/2023		944		995
Texas — 0.0%
North Texas, Tollway Authority, Build America Project, RB
6.718%, 01/01/2049		1,154		1,982
University of Texas, Ser B, RB
Callable 02/15/2049 @ 100
2.439%, 08/15/2049		585		591
				2,573
Virginia — 0.0%
University of Virginia, RB
Callable 03/01/2050 @ 100
2.256%, 09/01/2050		1,595		1,546
Virginia State, Housing Development Authority, Ser 2006-C, Cl CTFS, RB
6.000%, 06/25/2034		80		83
				1,629
Total Municipal Bonds
(Cost $26,953) ($ Thousands)				30,871

Description	Shares			Market Value ($ Thousands)
AFFILIATED PARTNERSHIP — 0.1%
SEI Liquidity Fund, L.P.
0.020% **†(H)		9,446,376		$	9,434
Total Affiliated Partnership
(Cost $9,448) ($ Thousands)					9,434
CASH EQUIVALENT — 5.5%
SEI Daily Income Trust, Government Fund, Cl F
0.010%**†		509,592,297			509,592
Total Cash Equivalent
(Cost $509,592) ($ Thousands)					509,592
Total Investments in Securities — 111.8%
(Cost $10,261,897) ($ Thousands)				$	10,388,878
	Contracts
PURCHASED OPTIONS* — 0.0%
Total Purchased Options (I)
(Cost $1,510) ($ Thousands)		5,752		$	1,556
PURCHASED SWAPTION* — 0.0%
Total Purchased Swaption (J)
(Cost $279) ($ Thousands)		9,470,000		$	142
WRITTEN OPTIONS* — (0.0)%
Total Written Options (I)
(Premiums Received $3,239) ($ Thousands)		(12,682	)	$	(4,055	)

140

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

A list of the exchange traded option contracts held by the Fund at November 30, 2021 is as follows:

Description	Number of Contracts			Notional Amount (Thousands)††			Exercise Price		Expiration Date		Value (Thousands)
PURCHASED OPTIONS — 0.0%
Put Options
December 2021, Eurodollar Mid-Curve Option*		850		$	65		$	99.00	12/18/2021		$	101
December 2021, Eurodollar Mid-Curve Option*		384			30			99.06		12/18/2021		29
June 2022, IMM EURO$ Future Option *		1,030			234			99.50		6/18/2022		322
March 2022, IMM EURO$ Future Option *		1,050			100			99.63		3/19/2022		98
January 2022, U.S. 5 Year Future Option*		720			148			121.00		12/18/2021		152
					577							702
Call Options
September 2022, Eurodollar Mid-Curve Option*		1,480			929			98.75		9/17/2022		851
March 2022, IMM EURO$ Future Option *		238			4			99.88		3/19/2022		3
					933							854
Total Purchased Options				$	1,510						$	1,556
WRITTEN OPTIONS — (0.0)%
Put Options
March 2022, Euro Future Option *		(238	)	$	(47	)		99.75		03/19/22	$	(44	)
December 2021, Eurodollar Mid-Curve Option*		(1,234	)		(24	)		98.88		12/18/21		(54	)
September 2022, Eurodollar Mid-Curve Option*		(1,480	)		(373	)		97.88		09/17/22		(518	)
September 2022, Eurodollar Mid-Curve Option*		(705	)		(606	)		98.25		09/17/22		(551	)
March 2022, IMM EURO$ Future Option *		(946	)		(49	)		99.38		03/19/22		(24	)
June 2022, IMM EURO$ Future Option *		(1,030	)		(62	)		99.00		06/18/22		(84	)
June 2023, IMM EURO$ Future Option *		(1,030	)		(204	)		97.00		06/17/23		(225	)
					(1,365	)						(1,500	)
Call Options
December 2021, Eurodollar Mid-Curve Option*		(1,234	)		(71	)		99.38		12/18/21		(31	)
September 2022, Eurodollar Mid-Curve Option*		(1,480	)		(489	)		99.00		09/17/22		(490	)
September 2022, Eurodollar Mid-Curve Option*		(705	)		(571	)		98.25		09/17/22		(718	)
March 2022, IMM EURO$ Future Option *		(238	)		(41	)		99.75		03/19/22		(27	)
January 2022, U.S. 10 Year Future Option*		(67	)		(42	)		130.50		12/18/21		(57	)
January 2022, U.S. 10 Year Future Option*		(241	)		(68	)		131.50		12/18/21		(94	)
January 2022, U.S. 5 Year Future Option*		(299	)		(81	)		121.50		12/18/21		(117	)
January 2022, U.S. 5 Year Future Option*		(920	)		(195	)		122.25		12/18/21		(194	)
January 2022, U.S. 5 Year Future Option*		(409	)		(141	)		121.25		12/18/21		(214	)
January 2022, U.S. Bond Future Option*		(81	)		(113	)		159.00		12/18/21		(300	)
January 2022, U.S. Bond Future Option*		(345	)		(62	)		164.00		12/18/21		(313	)
					(1,874	)						(2,555	)
Total Written Options				$	(3,239	)					$	(4,055	)

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

141

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Continued)

A list of the open OTC swaption contracts held by the Fund at November 30, 2021, is as follows:

Description	Counterparty		Number of Contracts/ Notional Amount		Exercise Price		Expiration Date		Value (Thousands)
PURCHASED SWAPTION — 0.0%
Put Swaptions
3Y30Y Put*		Bank of America Merrill Lynch		9,470,000	$	2.75		01/20/2024	$	142

A list of the open futures contracts held by the Fund at November 30, 2021 is as follows:

Type of Contract	Number of Contracts			Expiration Date		Notional Amount (Thousands)			Value (Thousands)			Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
90-Day Euro$		411			Jun-2023	$	101,971		$	101,393		$	(578	)
90-Day Euro$		1,835			Dec-2022		455,056			454,507			(549	)
90-Day Euro$		1,490			Dec-2023		368,523			366,689			(1,834	)
U.S. 5-Year Treasury Note		479			Apr-2022		57,744			58,150			406
U.S. 10-Year Treasury Note		1,735			Mar-2022		224,382			226,959			2,577
U.S. Long Treasury Bond		1,531			Mar-2022		243,140			248,213			5,073
U.S. Ultra Long Treasury Bond		534			Mar-2022		103,252			107,100			3,848
Ultra 10-Year U.S. Treasury Note		2			Mar-2022		289			294			5
							1,554,357			1,563,305			8,948
Short Contracts
90-Day Euro$		(398	)		Mar-2022	$	(99,242	)	$	(99,221	)	$	21
90-Day Euro$		(1,572	)		Dec-2021		(392,111	)		(392,204	)		(93	)
Euro-Bund		(321	)		Mar-2022		(62,768	)		(62,901	)		(189	)
Euro-Bund		(80	)		Dec-2021		(16,344	)		(15,522	)		70
U.S. 2-Year Treasury Note		(116	)		Apr-2022		(25,341	)		(25,373	)		(32	)
U.S. Long Treasury Bond		(121	)		Mar-2022		(19,388	)		(19,617	)		(229	)
Ultra 10-Year U.S. Treasury Note		(725	)		Mar-2022		(104,789	)		(106,496	)		(1,707	)
							(719,983	)		(721,334	)		(2,159	)
						$	834,374		$	841,971		$	6,789

A list of the open forward foreign currency contracts held by the Fund at November 30, 2021 is as follows:

Counterparty	Settlement Date		Currency to Deliver (Thousands)			Currency to Receive (Thousands)			Unrealized Appreciation (Depreciation) (Thousands)
BNP Paribas		01/18/22		EUR	4,260		USD	4,933	$	129
Citigroup		01/18/22		EUR	500		USD	564		—
Citigroup		01/18/22		USD	2,284		EUR	1,970		(63	)
Citigroup		01/18/22		USD	3,754		AUD	5,148		(103	)
Citigroup		01/18/22		USD	8,925		CAD	11,210		(180	)
Goldman Sachs		01/18/22		GBP	1,568		USD	2,140		64
Goldman Sachs		01/18/22		CNH	9,709		USD	1,488		(29	)
Morgan Stanley		01/18/22		USD	6,684		CAD	8,390		(139	)
Morgan Stanley		01/18/22		USD	7,420		BRL	41,156		(211	)
									$	(532	)

142

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

A list of the open centrally cleared swap agreements held by the Fund at November 30, 2021 is as follows:

Credit Default Swap
Reference Entity/ Obligation	Buy/Sell Protection		(Pays)/Receives Rate		Payment Frequency		Termination Date		Notional Amount (Thousands)			Value (Thousands)		Upfront Payments/ Receipts (Thousands)		Net Unrealized Appreciation (Depreciation) (Thousands)
CDS-CDX.NA.IG.3712		Sell		1.00%		Quarterly		12/20/2026		(294,827	)	$	6,030	$	6,819	$	(789	)

Interest Rate Swaps
Fund Pays	Fund Receives		Payment Frequency		Termination Date		Currency		Notional Amount (Thousands)		Value (Thousands)			Upfront Payments/ Receipts (Thousands)			Net Unrealized Appreciation (Depreciation) (Thousands)
USD-LIBOR-BBA		FIXED 0.19%		Semi-Annually		06/15/2022		USD		64,527	$	(15	)	$	–		$	(15	)
1.20%		USD-LIBOR-BBA		Quarterly		02/15/2047		USD		4,144		422			22			400
1.225%		USD-LIBOR-BBA		Quarterly		02/15/2047		USD		1,991		192			1			191
1.72875%		USD LIBOR BBA (12M)		Annually		02/15/2047		USD		6,060		(429	)		–			(429	)
1.52% FIXED		USD SOFR COMPOUND		Annually		02/15/2047		USD		20,626		(534	)		(25	)		(509	)
1.63% FIXED		CMENA IR 2/15/47 LIBOR		Quarterly		02/15/2047		USD		3,454		35			(16	)		51
USD-LIBOR-BBA		1.60%		Quarterly		02/15/2047		USD		4,754		79			25			54
FIXED 0.80%		USD-LIBOR-BBA		Quarterly		11/15/2045		USD		1,640		295			71			224
1.00%		USD-LIBOR-BBA		Quarterly		02/15/2047		USD		7,040		1,016			76			940
1.20%		USD-LIBOR-BBA		Quarterly		10/07/2050		USD		8,946		983			43			940
2.00%		USD-LIBOR-BBA		Quarterly		06/03/2051		USD		881		(73	)		9			(82	)
2.05%		USD-LIBOR-BBA		Quarterly		06/07/2051		USD		2,650		(251	)		(1	)		(250	)
1.67125% FIXED		CMENA IR 7/9/2051 LIBOR		Quarterly		07/09/2051		USD		7,784		(25	)		(34	)		9
1.8075%		3M USD LIBOR		Quarterly		07/24/2053		USD		2,390		(55	)		–			(55	)
3M USD LIBOR		1.7725%		Quarterly		07/24/2053		USD		4,780		(70	)		–			(70	)
2.00%		USD-LIBOR-BBA		Quarterly		02/15/2047		USD		14,031		(961	)		90			(1,051	)
3 MONTH USD - LIBOR		1.785%		Quarterly		07/24/2053		USD		3,535		(62	)		–			(62	)
USD-SOFRRATE		0.74%		Annually		08/19/2045		USD		4,960		676			–			676
USD CPI INDEX		2.77%		Annually		10/20/2031		USD		18,650		4			16			(12	)
0.97%		USNY, GBLO		Annually		11/18/2023		USD		15,210		(107	)		(60	)		(47	)
3 MONTH USD - LIBOR		0.0725%		Semi-Annually		07/24/2025		USD		28,610		(283	)		–			(283	)
3 MONTH USD - LIBOR		0.0255%		Semi-Annually		07/24/2025		USD		57,220		(618	)		–			(618	)
3 MONTH USD - LIBOR		0.0355%		Semi-Annually		07/24/2025		USD		42,325		(450	)		–			(450	)
FIXED 1.39		FLOAT		Semi-Annually		09/28/2025		USD		65,735		(270	)		–			(270	)
2.95%		USD-CPI INDEX		Annually		10/20/2026		USD		18,650		116			(10	)		126
FIXED 0.56%		USD-SOFTRATE		Annually		07/20/2045		USD		7,490		1,292			91			1,201
GBLO, USNY		0.37%		Annually		11/18/2026		USD		15,210		292			184			108
0.71%		12M SOFR COMPOUNDING		Annually		05/15/2027		USD		26,488		495			65			430
1.35%		USD LIBOR BBA		Quarterly		02/15/2028		USD		109,383		156			38			118
USD-SOFR-OTS COMPOUND		0.13%		Annually		08/15/2028		USD		39,576		68			275			(207	)
0.22%		SOFR-COMPOUNDING		Annually		08/15/2028		USD		15,938		(65	)		(1	)		(64	)
1.20%		SOFR-COMPOUNDING		Annually		11/01/2028		USD		12,403		(38	)		(1	)		(37	)
1.7334%		SOFR-COMPOUNDING		Annually		10/20/2031		USD		18,650		(171	)		73			(244	)
1.52%		SOFR COMPOUNDING		Annually		11/20/2026		USD		17,290		(88	)		(22	)		(66	)
FLOAT		FIXED 1.87		Quarterly		09/28/2053		USD		5,610		(212	)		–			(212	)
											$	1,344		$	909		$	435

	Percentages are based on Net Assets of $9,293,847 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
(A)	Zero coupon security. The rate shown on the Schedule of Investments is the security's effective yield at the time of purchase.
(B)	Certain securities or partial positions of certain securities are on loan at November 30, 2021 (see Note 12). The total market value of securities on loan at November 30, 2021 was $9,977 ($ Thousands).

(C)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration normally to qualified institutions. On November 30, 2021, the value of these securities amounted to $1,462,377 ($ Thousands), representing 15.7% of the Net Assets of the Fund.
(D)	Perpetual security with no stated maturity date.
(E)	Security is in default on interest payment.
(F)	Variable or floating rate security, the interest rate of which adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets.
(G)	No interest rate available.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

143

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Core Fixed Income Fund (Concluded)

(H)	This security was purchased with cash collateral held from securities on loan (see Note 12). The total market value of such securities as of November 30, 2021 was $9,434 ($ Thousands).
(I)	Refer to table below for details on Options Contracts.
(J)	Refer to table below for details on Swaption Contracts.

ACES — Alternative Credit Enhancement Securities

AID — Agency for International Development

ARM — Adjustable Rate Mortgage

AUD — Australian Dollar

BRL — Brazilian Real

CAD — Canadian Dollar

Cl — Class

CLO — Collateralized Loan Obligation

CMO — Collateralized Mortgage Obligation

CNH — Chinese Yuan Offshore

CNY — Chinese Yuan Offshore

DAC — Designated Activity Company

EUR — Euro

FHLMC — Federal Home Loan Mortgage Corporation

FNMA — Federal National Mortgage Association

FREMF— Freddie Mac Multi-Family

GBP — British Pound Sterling

GNMA — Government National Mortgage Association

GO — General Obligation

ICE— Intercontinental Exchange

IO — Interest Only — face amount represents notional amount.

JSC — Joint-Stock Company

LIBOR— London Interbank Offered Rate

LLC — Limited Liability Company

L.P. — Limited Partnership

MTN — Medium Term Note

PLC — Public Limited Company

PO — Principal Only

RB — Revenue Bond

REMIC — Real Estate Mortgage Investment Conduit

Ser — Series

SOFR — Secured Overnight Finance Rate

STRIPS — Separately Traded Registered Interest and Principal Securities

TBA — To Be Announced

UMBS — Uniform Mortgage Backed Securities

USD — United States Dollar

VAR — Variable Rate

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund’s investments and other financial instruments carried at value ($ Thousands):    

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
U.S. Treasury Obligations		525,057		2,896,570		–		3,421,627
Corporate Obligations		–		2,729,865		–		2,729,865
Mortgage-Backed Securities		–		2,725,135		–		2,725,135
Asset-Backed Securities		–		749,899		–		749,899
Sovereign Debt		–		131,560		–		131,560
U.S. Government Agency Obligations		–		80,895		–		80,895
Municipal Bonds		–		30,871		–		30,871
Affiliated Partnership		–		9,434		–		9,434
Cash Equivalent		509,592		–		–		509,592
Total Investments in Securities		1,034,649		9,354,229		–		10,388,878

Other Financial Instruments	Level 1 ($)			Level 2 ($)			Level 3 ($)		Total ($)
Purchased Options		1,556			–			–		1,556
Purchased Swaptions		–			142			–		142
Written Options		(4,055	)		–			–		(4,055	)
Futures Contracts*
Unrealized Appreciation		12,000			–			–		12,000
Unrealized Depreciation		(5,211	)		–			–		(5,211	)
Forwards Contracts*
Unrealized Appreciation		–			193			–		193
Unrealized Depreciation		–			(725	)		–		(725	)
Centrally Cleared Swaps
Interest Rate Swaps*
Unrealized Appreciation		–			5,468			–		5,468
Unrealized Depreciation		–			(5,033	)		–		(5,033	)
Credit Default Swaps*
Unrealized Depreciation		–			(789	)		–		(789	)
Total Other Financial Instruments		4,290			(744	)		–		3,546

* Futures contracts, forward contracts and swap contracts are valued at the unrealized appreciation (depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 – Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain/ (Loss)		Change in Unrealized Appreciation/​(Depreciation)			Value 11/30/2021		Shares		Income		Capital Gains
SEI Liquidity Fund, L.P.	$	10,772	$	134,050	$	(135,372	)	$	—	$	(16	)	$	9,434		9,446,376	$	46	$	—
SEI Daily Income Trust, Government Fund, Cl F		1,419,466		5,696,993		(6,606,867	)		—		—			509,592		509,592,297		34		—
Totals	$	1,430,238	$	5,831,043	$	(6,742,239	)	$	—	$	(16	)	$	519,026			$	80	$	—

Amounts designated as “—” are $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

144

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund

^† Percentages are based on total investments.

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS — 72.2%
Communication Services — 12.9%
Altice Financing
5.750%, 08/15/2029 (A)	$	1,409	$	1,342
5.000%, 01/15/2028 (A)		6,791		6,349
Altice France
8.125%, 02/01/2027 (A)		1,461		1,558
5.500%, 10/15/2029 (A)		1,735		1,674
5.125%, 07/15/2029 (A)		1,818		1,728
Altice France Holding
10.500%, 05/15/2027 (A)		2,245		2,416
6.000%, 02/15/2028 (A)		2,612		2,439
AMC Entertainment Holdings
10.500%, 04/24/2026 (A)		61		64
10.000%cash/0% PIK, 06/15/2026 (A)		2,013		2,046
6.125%, 05/15/2027		680		490
5.750%, 06/15/2025		115		90
AMC Networks
4.250%, 02/15/2029		2,626		2,563
ANGI Group LLC
3.875%, 08/15/2028 (A)		2,292		2,177
Arches Buyer
6.125%, 12/01/2028 (A)		2,962		2,991
4.250%, 06/01/2028 (A)		378		374
Audacy Capital
6.750%, 03/31/2029 (A)		5,776		5,654
6.500%, 05/01/2027 (A)		375		366
Belo
7.250%, 09/15/2027		442		510
CCO Holdings LLC
5.375%, 06/01/2029 (A)		230		243

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.125%, 05/01/2027 (A)	$	6,372	$	6,559
5.000%, 02/01/2028 (A)		3,210		3,306
4.750%, 03/01/2030 (A)		1,685		1,726
4.500%, 08/15/2030 (A)		10,744		10,829
4.250%, 02/01/2031 (A)		6,044		5,954
4.250%, 01/15/2034 (A)		565		544
Cincinnati Bell
8.000%, 10/15/2025 (A)		160		166
7.000%, 07/15/2024 (A)		455		463
Cinemark USA
8.750%, 05/01/2025 (A)		191		203
5.250%, 07/15/2028 (A)		240		227
Clear Channel International BV
6.625%, 08/01/2025 (A)		887		915
Clear Channel Outdoor Holdings
7.750%, 04/15/2028 (A)		5,740		5,983
7.500%, 06/01/2029 (A)		817		839
Clear Channel Worldwide Holdings
5.125%, 08/15/2027 (A)		3,180		3,212
Consolidated Communications
6.500%, 10/01/2028 (A)		6,388		6,628
5.000%, 10/01/2028 (A)		539		531
CSC Holdings LLC
7.500%, 04/01/2028 (A)		2,140		2,271
6.500%, 02/01/2029 (A)		4,270		4,514
5.750%, 01/15/2030 (A)		4,869		4,769
4.625%, 12/01/2030 (A)		2,981		2,772
4.500%, 11/15/2031 (A)		1,631		1,578
3.375%, 02/15/2031 (A)		1,954		1,785
Cumulus Media New Holdings
6.750%, 07/01/2026 (A)		4,021		4,172
Diamond Sports Group LLC
6.625%, 08/15/2027 (A)		3,251		681
5.375%, 08/15/2026 (A)		8,771		3,881
Directv Financing LLC
5.875%, 08/15/2027 (A)		6,412		6,525
DISH DBS
7.750%, 07/01/2026		4,030		4,141
7.375%, 07/01/2028		5,647		5,534
5.875%, 07/15/2022		82		83
5.875%, 11/15/2024		4,621		4,674
5.750%, 12/01/2028 (A)		3,201		3,154
5.250%, 12/01/2026 (A)		4,712		4,667
5.125%, 06/01/2029		3,188		2,800
5.000%, 03/15/2023		2,935		2,982
DKT Finance ApS
9.375%, 06/17/2023 (A)		2,964		2,994
Frontier Communications
6.750%, 05/01/2029 (A)		475		489
5.875%, 10/15/2027 (A)		367		379
5.000%, 05/01/2028 (A)		2,104		2,110

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

145

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Frontier Communications Holdings LLC
6.000%, 01/15/2030 (A)	$	1,247	$	1,227
5.875%, 11/01/2029		1,408		1,384
Gannett Holdings LLC
6.000%, 11/01/2026 (A)		1,809		1,811
GCI LLC
4.750%, 10/15/2028 (A)		555		568
Getty Images
9.750%, 03/01/2027 (A)		2,175		2,290
Gray Escrow II
5.375%, 11/15/2031 (A)		3,722		3,730
Gray Television
7.000%, 05/15/2027 (A)		424		449
4.750%, 10/15/2030 (A)		2,199		2,119
iHeartCommunications
8.375%, 05/01/2027		1,860		1,957
6.375%, 05/01/2026		154		160
5.250%, 08/15/2027 (A)		1,877		1,905
4.750%, 01/15/2028 (A)		1,347		1,337
Iliad Holding SASU
7.000%, 10/15/2028 (A)		310		317
6.500%, 10/15/2026 (A)		2,196		2,246
Intelsat Jackson Holdings
9.750%, 07/15/2025 (A)(B)		3,562		1,745
8.500%, 10/15/2024 (A)(B)		3,082		1,549
5.500%, 08/01/2023 (B)		210		102
Intelsat Luxembourg
8.125%, 06/01/2023 (B)		1,010		5
ION Trading Technologies Sarl
5.750%, 05/15/2028 (A)		3,125		3,202
LCPR Senior Secured Financing DAC
6.750%, 10/15/2027 (A)		3,416		3,541
Level 3 Financing
5.375%, 05/01/2025		1,260		1,286
4.625%, 09/15/2027 (A)		2,269		2,298
4.250%, 07/01/2028 (A)		555		541
3.750%, 07/15/2029 (A)		535		497
3.625%, 01/15/2029 (A)		3,751		3,470
Live Nation Entertainment
6.500%, 05/15/2027 (A)		723		784
5.625%, 03/15/2026 (A)		466		479
4.875%, 11/01/2024 (A)		2,285		2,301
4.750%, 10/15/2027 (A)		1,959		1,959
3.750%, 01/15/2028 (A)		96		92
Lumen Technologies
5.625%, 04/01/2025		316		329
5.375%, 06/15/2029 (A)		1,391		1,355
5.125%, 12/15/2026 (A)		5,082		5,091
4.500%, 01/15/2029 (A)		190		179
4.000%, 02/15/2027 (A)		1,815		1,809
Match Group Holdings II LLC
3.625%, 10/01/2031 (A)		284		268

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
McGraw-Hill Education
5.750%, 08/01/2028 (A)	$	4,595	$	4,434
Meredith
6.875%, 02/01/2026		798		825
6.500%, 07/01/2025		275		293
Midas OpCo Holdings LLC
5.625%, 08/15/2029 (A)		300		302
Midcontinent Communications
5.375%, 08/15/2027 (A)		772		795
Millennium Escrow
6.625%, 08/01/2026 (A)		2,465		2,462
National CineMedia LLC
5.750%, 08/15/2026		1,381		1,081
Netflix
5.875%, 11/15/2028		713		853
5.375%, 11/15/2029 (A)		275		325
4.875%, 04/15/2028		1,022		1,156
4.875%, 06/15/2030 (A)		4,023		4,659
News
3.875%, 05/15/2029 (A)		318		313
Nexstar Broadcasting
5.625%, 07/15/2027 (A)		4,384		4,548
4.750%, 11/01/2028 (A)		3,553		3,548
Northwest Fiber LLC
4.750%, 04/30/2027 (A)		3,620		3,516
Photo Holdings Merger Sub
8.500%, 10/01/2026 (A)		905		908
Radiate Holdco LLC
6.500%, 09/15/2028 (A)		882		855
4.500%, 09/15/2026 (A)		882		876
ROBLOX
3.875%, 05/01/2030 (A)		2,280		2,286
Sable International Finance
5.750%, 09/07/2027 (A)		1,407		1,438
Salem Media Group
6.750%, 06/01/2024 (A)		5,605		5,605
Scripps Escrow
5.875%, 07/15/2027 (A)		190		195
Scripps Escrow II
5.375%, 01/15/2031 (A)		142		143
3.875%, 01/15/2029 (A)		2,667		2,650
Sinclair Television Group
5.125%, 02/15/2027 (A)		1,271		1,177
4.125%, 12/01/2030 (A)		6,280		5,699
Sirius XM Radio
5.500%, 07/01/2029 (A)		671		712
5.000%, 08/01/2027 (A)		3,081		3,172
4.125%, 07/01/2030 (A)		4,132		4,037
4.000%, 07/15/2028 (A)		1,267		1,253
SoftBank Group
6.000%, VAR USD ICE Swap 11:00 NY 5 Yr + 4.226%(C)		950		932

146

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.125%, 09/19/2027	$	799	$	800
Spanish Broadcasting System
9.750%, 03/01/2026 (A)		4,353		4,494
Sprint
7.875%, 09/15/2023		1,340		1,472
7.625%, 02/15/2025		7,075		8,101
7.625%, 03/01/2026		2,559		3,023
7.125%, 06/15/2024		1,605		1,798
Sprint Capital
8.750%, 03/15/2032		2,667		3,943
TEGNA
4.625%, 03/15/2028		2,684		2,673
Telecom Italia Capital
6.000%, 09/30/2034		2,199		2,215
Telenet Finance Luxembourg Notes Sarl
5.500%, 03/01/2028 (A)		3,800		3,916
Telesat Canada
6.500%, 10/15/2027 (A)		9,905		7,723
5.625%, 12/06/2026 (A)		1,655		1,518
4.875%, 06/01/2027 (A)		1,793		1,567
Terrier Media Buyer
8.875%, 12/15/2027 (A)		6,963		7,379
T-Mobile USA
4.750%, 02/01/2028		1,480		1,546
3.500%, 04/15/2031		1,725		1,753
3.375%, 04/15/2029		1,675		1,685
Trilogy International South Pacific LLC
8.875%, 05/15/2023 (A)		1,777		1,737
U.S. Cellular
6.700%, 12/15/2033		2,575		3,132
Univision Communications
6.625%, 06/01/2027 (A)		1,395		1,492
4.500%, 05/01/2029 (A)		692		692
Urban One
7.375%, 02/01/2028 (A)		9,901		10,081
Virgin Media Finance
5.000%, 07/15/2030 (A)		1,879		1,823
Virgin Media Secured Finance
5.500%, 05/15/2029 (A)		1,983		2,056
4.500%, 08/15/2030 (A)		757		740
Virgin Media Vendor Financing Notes IV DAC
5.000%, 07/15/2028 (A)		2,543		2,506
Windstream Escrow LLC
7.750%, 08/15/2028 (A)		2,163		2,253
WMG Acquisition
3.750%, 12/01/2029 (A)		455		452
3.000%, 02/15/2031 (A)		741		698
Zayo Group Holdings
6.125%, 03/01/2028 (A)		865		814
4.000%, 03/01/2027 (A)		400		381
				350,007

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Consumer Discretionary — 11.3%
1011778 BC ULC / New Red Finance
4.375%, 01/15/2028 (A)	$	1,977	$	1,967
4.000%, 10/15/2030 (A)		3,630		3,469
3.875%, 01/15/2028 (A)		222		219
3.500%, 02/15/2029 (A)		163		157
Academy
6.000%, 11/15/2027 (A)		1,858		1,965
Adient Global Holdings, Ltd.
4.875%, 08/15/2026 (A)		690		691
Adient US LLC
9.000%, 04/15/2025 (A)		227		241
Adtalem Global Education
5.500%, 03/01/2028 (A)		3,240		3,121
American Axle & Manufacturing
6.875%, 07/01/2028		492		526
6.500%, 04/01/2027		540		560
6.250%, 03/15/2026		660		675
5.000%, 10/01/2029		360		342
American Builders & Contractors Supply
4.000%, 01/15/2028 (A)		4,000		4,035
3.875%, 11/15/2029 (A)		520		510
American Greetings
8.750%, 04/15/2025 (A)		5,700		5,857
Aramark Services
5.000%, 02/01/2028 (A)		695		698
Asbury Automotive Group
4.625%, 11/15/2029 (A)		920		926
4.500%, 03/01/2028		3,253		3,260
Ashton Woods USA LLC
6.625%, 01/15/2028 (A)		5,147		5,417
4.625%, 08/01/2029 (A)		1,553		1,537
Aston Martin Capital Holdings
10.500%, 11/30/2025 (A)		4,970		5,378
Aventine (Escrow Security)
0.000%, 10/15/2049 (B)(D)(E)		2,600		–
Avianca Holdings
9.000%, 03/31/2022 (A)		2,668		2,688
Bath & Body Works
9.375%, 07/01/2025 (A)		29		35
7.600%, 07/15/2037		60		71
7.500%, 06/15/2029		542		604
6.875%, 11/01/2035		75		90
6.750%, 07/01/2036		2,607		3,115
6.694%, 01/15/2027		149		168
6.625%, 10/01/2030 (A)		2,383		2,644
BCPE Ulysses Intermediate
7.750%cash/0% PIK, 04/01/2027 (A)		1,973		1,906
Boyne USA
4.750%, 05/15/2029 (A)		304		306
Brookfield Residential Properties
4.875%, 02/15/2030 (A)		1,081		1,077

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

147

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Caesars Entertainment
8.125%, 07/01/2027 (A)	$	110	$	121
6.250%, 07/01/2025 (A)		1,114		1,158
4.625%, 10/15/2029 (A)		2,460		2,399
Carnival
10.500%, 02/01/2026 (A)		1,254		1,430
9.875%, 08/01/2027 (A)		585		658
6.000%, 05/01/2029 (A)		9,555		9,286
5.750%, 03/01/2027 (A)		6,430		6,284
4.000%, 08/01/2028 (A)		353		343
Carrols Restaurant Group
5.875%, 07/01/2029 (A)		1,995		1,711
CD&R Smokey Buyer
6.750%, 07/15/2025 (A)		607		634
Cedar Fair
5.500%, 05/01/2025 (A)		285		294
5.375%, 06/01/2024		2,145		2,168
5.375%, 04/15/2027		25		25
5.250%, 07/15/2029		1,477		1,516
Cengage Learning
9.500%, 06/15/2024 (A)		4,545		4,590
Century Communities
6.750%, 06/01/2027		624		655
3.875%, 08/15/2029 (A)		1,696		1,671
Clarios Global
8.500%, 05/15/2027 (A)		1,415		1,489
6.750%, 05/15/2025 (A)		896		935
6.250%, 05/15/2026 (A)		2,042		2,122
Constellation Merger Sub
8.500%, 09/15/2025 (A)		443		421
Cooper-Standard Automotive
13.000%, 06/01/2024 (A)		533		576
5.625%, 11/15/2026 (A)		1,485		1,211
CSC Holdings LLC
5.875%, 09/15/2022		152		155
Dana
5.625%, 06/15/2028		1,933		2,034
5.375%, 11/15/2027		958		1,000
4.250%, 09/01/2030		705		701
Dornoch Debt Merger Sub
6.625%, 10/15/2029 (A)		4,159		4,097
eG Global Finance
8.500%, 10/30/2025 (A)		842		871
6.750%, 02/07/2025 (A)		4,935		4,972
Empire Resorts
7.750%, 11/01/2026 (A)		3,735		3,760
Fontainebleau Las Vegas
11.000%, 06/15/2015 (A)(B)(D)		3,481		–
Ford Motor
9.000%, 04/22/2025		445		541
Ford Motor Credit LLC
5.125%, 06/16/2025		1,285		1,389

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.113%, 05/03/2029	$	1,790	$	1,982
4.687%, 06/09/2025		1,245		1,320
4.542%, 08/01/2026		1,481		1,582
4.271%, 01/09/2027		485		513
4.134%, 08/04/2025		1,600		1,672
4.125%, 08/17/2027		2,815		2,970
4.063%, 11/01/2024		1,287		1,342
4.000%, 11/13/2030		2,463		2,583
3.810%, 01/09/2024		90		92
3.625%, 06/17/2031		5,430		5,539
3.375%, 11/13/2025		207		211
3.096%, 05/04/2023		448		456
2.700%, 08/10/2026		200		199
Ford Motor Credit LLC MTN
4.389%, 01/08/2026		650		686
Gap
3.875%, 10/01/2031 (A)		108		103
3.625%, 10/01/2029 (A)		135		129
Goodyear Tire & Rubber
5.250%, 04/30/2031		514		542
5.250%, 07/15/2031 (A)		149		155
5.000%, 07/15/2029 (A)		227		237
GPS Hospitality Holding LLC
7.000%, 08/15/2028 (A)		1,510		1,367
Hanesbrands
4.625%, 05/15/2024 (A)		3,861		4,015
Hertz
0.000%, 10/15/2024		1,573		35
0.000%, 08/01/2026		715		46
0.000%, 01/15/2028		420		27
Hilton Domestic Operating
5.750%, 05/01/2028 (A)		326		345
5.375%, 05/01/2025 (A)		114		118
3.750%, 05/01/2029 (A)		171		169
Hilton Worldwide Finance LLC
4.875%, 04/01/2027		318		326
Houghton Mifflin Harcourt Publishers
9.000%, 02/15/2025 (A)		3,890		4,104
IHO Verwaltungs GmbH
6.375%cash/0% PIK, 05/15/2029 (A)		835		903
6.000%cash/0% PIK, 05/15/2027 (A)		850		882
Inn of the Mountain Gods Resort & Casino
9.250%, 11/30/2023		3,884		3,806
International Game Technology
6.500%, 02/15/2025 (A)		635		689
6.250%, 01/15/2027 (A)		2,805		3,086
5.250%, 01/15/2029 (A)		200		208
4.125%, 04/15/2026 (A)		200		204
IRB Holding
7.000%, 06/15/2025 (A)		205		216
6.750%, 02/15/2026 (A)		3,540		3,593

148

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Jaguar Land Rover Automotive
5.500%, 07/15/2029 (A)	$	3,750	$	3,681
KB Home
4.000%, 06/15/2031		920		929
Ken Garff Automotive LLC
4.875%, 09/15/2028 (A)		442		439
LBM Acquisition LLC
6.250%, 01/15/2029 (A)		3,425		3,278
LCM Investments Holdings II LLC
4.875%, 05/01/2029 (A)		3,379		3,366
Liberty Interactive LLC
8.250%, 02/01/2030		5,829		6,237
Lions Gate Capital Holdings LLC
5.500%, 04/15/2029 (A)		1,846		1,869
Lithia Motors
4.375%, 01/15/2031 (A)		2,455		2,562
3.875%, 06/01/2029 (A)		1,513		1,531
LSF9 Atlantis Holdings LLC
7.750%, 02/15/2026 (A)		4,245		4,262
Macy's Retail Holdings
5.125%, 01/15/2042		3,649		3,502
Macy's Retail Holdings LLC
5.875%, 04/01/2029 (A)		1,825		1,945
MajorDrive Holdings IV LLC
6.375%, 06/01/2029 (A)		6,005		5,750
Marriott Ownership Resorts
6.125%, 09/15/2025 (A)		191		198
4.500%, 06/15/2029 (A)		72		71
Mattamy Group
4.625%, 03/01/2030 (A)		2,872		2,847
Mattel
5.875%, 12/15/2027 (A)		300		320
3.750%, 04/01/2029 (A)		183		187
3.375%, 04/01/2026 (A)		144		146
Meritage Homes
3.875%, 04/15/2029 (A)		1,843		1,892
MGM Resorts International
6.750%, 05/01/2025		1,984		2,066
6.000%, 03/15/2023		1,615		1,681
5.750%, 06/15/2025		261		275
Michaels
7.875%, 05/01/2029 (A)		3,580		3,553
5.250%, 05/01/2028 (A)		2,430		2,404
Midwest Gaming Borrower LLC
4.875%, 05/01/2029 (A)		2,219		2,199
NCL
12.250%, 05/15/2024 (A)		1,193		1,410
Neiman Marcus Group (Escrow Security)
0.000%, 10/15/2022 (D)(F)		2,835		1,015
Newell Brands
5.875%, 04/01/2036		1,478		1,804
4.875%, 06/01/2025		75		81

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.700%, 04/01/2026	$	690	$	739
Peninsula Pacific Entertainment LLC
8.500%, 11/15/2027 (A)		9,104		9,846
PetSmart
7.750%, 02/15/2029 (A)		1,001		1,070
4.750%, 02/15/2028 (A)		929		940
PM General Purchaser LLC
9.500%, 10/01/2028 (A)		543		556
Royal Caribbean Cruises
9.125%, 06/15/2023 (A)		1,222		1,296
5.500%, 08/31/2026 (A)		1,366		1,332
5.500%, 04/01/2028 (A)		2,246		2,184
Royal Caribbean Cruises Ltd
11.500%, 06/01/2025 (A)		437		488
10.875%, 06/01/2023 (A)		253		275
Service International
7.500%, 04/01/2027		867		1,038
5.125%, 06/01/2029		82		87
4.625%, 12/15/2027		970		1,010
4.000%, 05/15/2031		132		132
3.375%, 08/15/2030		278		265
Shea Homes
4.750%, 02/15/2028 (A)		1,081		1,078
4.750%, 04/01/2029 (A)		1,323		1,316
Six Flags Entertainment
5.500%, 04/15/2027 (A)		110		112
4.875%, 07/31/2024 (A)		3,778		3,806
Six Flags Theme Parks
7.000%, 07/01/2025 (A)		1,287		1,354
Sonic Automotive
4.875%, 11/15/2031 (A)		1,584		1,552
4.625%, 11/15/2029 (A)		1,452		1,430
Specialty Building Products Holdings LLC
6.375%, 09/30/2026 (A)		3,062		3,173
Speedway Motorsports LLC
4.875%, 11/01/2027 (A)		1,360		1,387
SRS Distribution
6.125%, 07/01/2029 (A)		2,616		2,623
6.000%, 12/01/2029 (A)		1,650		1,631
4.625%, 07/01/2028 (A)		1,517		1,521
Staples
10.750%, 04/15/2027 (A)		5,190		4,723
7.500%, 04/15/2026 (A)		2,659		2,640
Station Casinos LLC
4.500%, 02/15/2028 (A)		775		775
StoneMor
8.500%, 05/15/2029 (A)		2,435		2,508
Studio City Finance
5.000%, 01/15/2029 (A)		4,170		3,774
Sugarhouse HSP Gaming Prop Mezz LP
5.875%, 05/15/2025 (A)		3,790		3,782

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

149

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Superior Plus
4.500%, 03/15/2029 (A)	$	368	$	375
Tempur Sealy International
4.000%, 04/15/2029 (A)		714		709
3.875%, 10/15/2031 (A)		209		202
Tenneco
7.875%, 01/15/2029 (A)		242		259
5.375%, 12/15/2024		300		296
5.125%, 04/15/2029 (A)		4,237		4,080
5.000%, 07/15/2026		4,192		4,002
Vail Resorts
6.250%, 05/15/2025 (A)		981		1,025
Vista Outdoor
4.500%, 03/15/2029 (A)		2,097		2,092
Wheel Pros
6.500%, 05/15/2029 (A)		3,825		3,726
White Capital Buyer LLC
6.875%, 10/15/2028 (A)		188		192
White Capital Parent LLC
8.250%cash/0% PIK, 03/15/2026 (A)		4,090		4,141
Wolverine Escrow LLC
13.125%, 11/15/2027 (A)		180		117
9.000%, 11/15/2026 (A)		960		905
8.500%, 11/15/2024 (A)		145		136
Wynn Las Vegas LLC
5.500%, 03/01/2025 (A)		1,746		1,749
5.250%, 05/15/2027 (A)		60		59
4.250%, 05/30/2023 (A)		245		245
Wynn Resorts Finance LLC
7.750%, 04/15/2025 (A)		1,825		1,902
5.125%, 10/01/2029 (A)		656		641
Yum! Brands
7.750%, 04/01/2025 (A)		180		190
6.875%, 11/15/2037		1,840		2,300
5.350%, 11/01/2043		180		196
4.625%, 01/31/2032		396		405
3.625%, 03/15/2031		1,266		1,228
				315,039
Consumer Staples — 6.5%
180 Medical
3.875%, 10/15/2029 (A)		414		407
AHP Health Partners
5.750%, 07/15/2029 (A)		276		270
Akumin
7.000%, 11/01/2025 (A)		2,895		2,721
Akumin Escrow
7.500%, 08/01/2028 (A)		3,080		2,872
Albertsons
5.875%, 02/15/2028 (A)		161		169
4.875%, 02/15/2030 (A)		285		303
4.625%, 01/15/2027 (A)		3,572		3,703

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.500%, 03/15/2029 (A)	$	676	$	670
3.250%, 03/15/2026 (A)		350		349
Allied Universal Holdco LLC
6.625%, 07/15/2026 (A)		330		339
4.625%, 06/01/2028 (A)		684		662
Bausch Health
9.000%, 12/15/2025 (A)		3,430		3,580
7.250%, 05/30/2029 (A)		295		280
7.000%, 01/15/2028 (A)		1,830		1,766
6.250%, 02/15/2029 (A)		6,429		5,827
6.125%, 04/15/2025 (A)		3,195		3,227
5.500%, 11/01/2025 (A)		1,360		1,375
5.250%, 01/30/2030 (A)		6,887		5,906
5.250%, 02/15/2031 (A)		2,162		1,855
5.000%, 01/30/2028 (A)		672		598
5.000%, 02/15/2029 (A)		455		390
4.875%, 06/01/2028 (A)		2,253		2,219
Bausch Health Americas
9.250%, 04/01/2026 (A)		365		382
8.500%, 01/31/2027 (A)		583		600
Central Garden & Pet
5.125%, 02/01/2028		1,515		1,573
4.125%, 10/15/2030		332		332
Chobani LLC
7.500%, 04/15/2025 (A)		1,270		1,313
4.625%, 11/15/2028 (A)		3,912		3,971
Coty
6.500%, 04/15/2026 (A)		6,765		6,917
5.000%, 04/15/2026 (A)		306		312
4.750%, 01/15/2029 (A)		3,460		3,421
CPI CG
8.625%, 03/15/2026 (A)		1,470		1,562
Edgewell Personal Care
5.500%, 06/01/2028 (A)		565		589
4.125%, 04/01/2029 (A)		217		214
Energizer Holdings
4.750%, 06/15/2028 (A)		536		529
4.375%, 03/31/2029 (A)		1,831		1,737
Envision Healthcare
8.750%, 10/15/2026 (A)		4,425		2,688
Garda World Security
9.500%, 11/01/2027 (A)		565		589
6.000%, 06/01/2029 (A)		429		406
Global Medical Response
6.500%, 10/01/2025 (A)		4,194		4,194
Grifols Escrow Issuer
4.750%, 10/15/2028 (A)		200		198
High Ridge Brands (Escrow Security)
0.821%, 03/15/2025		800		–
JBS USA LUX
5.500%, 01/15/2030 (A)		2,347		2,518

150

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Kraft Heinz Foods
5.000%, 06/04/2042	$	4,494	$	5,484
Kronos Acquisition Holdings
7.000%, 12/31/2027 (A)		3,341		3,207
Lamb Weston Holdings
4.875%, 05/15/2028 (A)		218		231
4.375%, 01/31/2032 (A)		176		175
4.125%, 01/31/2030 (A)		2,660		2,653
Legacy LifePoint Health LLC
6.750%, 04/15/2025 (A)		612		636
4.375%, 02/15/2027 (A)		9,158		9,016
LifePoint Health
5.375%, 01/15/2029 (A)		2,749		2,648
Mozart Debt Merger Sub
5.250%, 10/01/2029 (A)		4,550		4,544
3.875%, 04/01/2029 (A)		5,782		5,710
MPH Acquisition Holdings LLC
5.750%, 11/01/2028 (A)		2,801		2,502
NESCO Holdings II
5.500%, 04/15/2029 (A)		322		327
New Albertsons
8.700%, 05/01/2030		2,229		2,742
8.000%, 05/01/2031		805		958
Organon Finance 1 LLC
5.125%, 04/30/2031 (A)		1,126		1,150
4.125%, 04/30/2028 (A)		2,190		2,185
PECF USS Intermediate Holding III
8.000%, 11/15/2029 (A)		3,060		3,115
Performance Food Group
6.875%, 05/01/2025 (A)		80		84
5.500%, 10/15/2027 (A)		565		582
4.250%, 08/01/2029 (A)		450		433
Post Holdings
5.750%, 03/01/2027 (A)		1,015		1,045
5.625%, 01/15/2028 (A)		1,800		1,853
5.500%, 12/15/2029 (A)		857		886
4.625%, 04/15/2030 (A)		234		231
Prime Security Services Borrower LLC
5.750%, 04/15/2026 (A)		1,928		2,039
3.375%, 08/31/2027 (A)		1,085		1,027
Radiology Partners
9.250%, 02/01/2028 (A)		1,514		1,544
Rite Aid
8.000%, 11/15/2026 (A)		2,564		2,549
7.700%, 02/15/2027		1,710		1,496
7.500%, 07/01/2025 (A)		7,044		7,026
RP Escrow Issuer LLC
5.250%, 12/15/2025 (A)		205		202
Sabre Global
9.250%, 04/15/2025 (A)		168		187
7.375%, 09/01/2025 (A)		570		590

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Sigma Holdco BV
7.875%, 05/15/2026 (A)	$	6,999	$	6,777
Simmons Foods
4.625%, 03/01/2029 (A)		4,580		4,515
Sotheby's
5.875%, 06/01/2029 (A)		842		845
Spectrum Brands
5.750%, 07/15/2025		45		46
5.500%, 07/15/2030 (A)		416		443
5.000%, 10/01/2029 (A)		630		663
3.875%, 03/15/2031 (A)		172		165
Team Health Holdings
6.375%, 02/01/2025 (A)		5,919		5,181
Triton Water Holdings
6.250%, 04/01/2029 (A)		4,422		4,294
Turning Point Brands
5.625%, 02/15/2026 (A)		2,040		2,071
US Acute Care Solutions LLC
6.375%, 03/01/2026 (A)		1,073		1,098
US Foods
4.625%, 06/01/2030 (A)		230		231
US Renal Care
10.625%, 07/15/2027 (A)		3,590		3,671
Vector Group
10.500%, 11/01/2026 (A)		5,290		5,447
5.750%, 02/01/2029 (A)		1,715		1,631
				179,668
Energy — 10.7%
Aethon United BR
8.250%, 02/15/2026 (A)		1,750		1,851
Antero Midstream Partners
7.875%, 05/15/2026 (A)		718		769
5.750%, 03/01/2027 (A)		2,721		2,736
5.750%, 01/15/2028 (A)		342		351
5.375%, 06/15/2029 (A)		360		364
Antero Resources
8.375%, 07/15/2026 (A)		1,588		1,761
7.625%, 02/01/2029 (A)		2,653		2,909
5.375%, 03/01/2030 (A)		158		163
Apache
5.100%, 09/01/2040		3,835		4,158
4.875%, 11/15/2027		959		1,021
4.625%, 11/15/2025		72		76
4.375%, 10/15/2028		451		475
Archrock Partners
6.250%, 04/01/2028 (A)		3,533		3,621
Ascent Resources Utica Holdings LLC
9.000%, 11/01/2027 (A)		1,106		1,488
8.250%, 12/31/2028 (A)		4,373		4,610
7.000%, 11/01/2026 (A)		1,236		1,255
5.875%, 06/30/2029 (A)		2,166		2,134

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

151

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Baytex Energy
8.750%, 04/01/2027 (A)	$	570	$	586
Blue Racer Midstream LLC
7.625%, 12/15/2025 (A)		3,959		4,167
Buckeye Partners
4.500%, 03/01/2028 (A)		590		572
4.125%, 03/01/2025 (A)		350		352
4.125%, 12/01/2027		240		237
California Resources
7.125%, 02/01/2026 (A)		530		546
Cheniere Energy
4.625%, 10/15/2028		1,682		1,732
Cheniere Energy Partners
4.500%, 10/01/2029		8,411		8,841
4.000%, 03/01/2031 (A)		1,034		1,055
3.250%, 01/31/2032 (A)		1,059		1,029
Chesapeake Energy
5.500%, 02/01/2026 (A)		299		310
Chesapeake Energy (Escrow Security)
0.000%, 12/31/2049 (D)		6,045		87
Citgo Holding
9.250%, 08/01/2024 (A)		8,614		8,399
CITGO Petroleum
6.375%, 06/15/2026 (A)		263		263
CNX Midstream Partners
4.750%, 04/15/2030 (A)		952		938
CNX Resources
7.250%, 03/14/2027 (A)		3,535		3,732
6.000%, 01/15/2029 (A)		1,522		1,557
Colgate Energy Partners III LLC
5.875%, 07/01/2029 (A)		2,657		2,637
Comstock Resources
7.500%, 05/15/2025 (A)		314		322
6.750%, 03/01/2029 (A)		4,326		4,499
5.875%, 01/15/2030 (A)		242		242
Continental Resources
5.750%, 01/15/2031 (A)		2,314		2,695
CQP Holdco
5.500%, 06/15/2031 (A)		3,450		3,497
Crestwood Midstream Partners
5.750%, 04/01/2025		615		617
CrownRock
5.625%, 10/15/2025 (A)		2,716		2,728
DCP Midstream Operating
8.125%, 08/16/2030		1,990		2,662
5.625%, 07/15/2027		750		838
5.375%, 07/15/2025		268		286
5.125%, 05/15/2029		896		994
3.250%, 02/15/2032		315		315
Delek Logistics Partners
6.750%, 05/15/2025		1,462		1,469

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Devon Energy
7.950%, 04/15/2032	$	1,327	$	1,860
DT Midstream
4.375%, 06/15/2031 (A)		2,445		2,430
4.125%, 06/15/2029 (A)		4,323		4,296
Encino Acquisition Partners Holdings LLC
8.500%, 05/01/2028 (A)		4,413		4,446
Endeavor Energy Resources
6.625%, 07/15/2025 (A)		412		433
Energy Transfer
5.500%, 06/01/2027		2,863		3,106
EnLink Midstream LLC
5.625%, 01/15/2028 (A)		185		190
5.375%, 06/01/2029		4,411		4,433
EnLink Midstream Partners
4.850%, 07/15/2026		140		144
4.400%, 04/01/2024		620		639
4.150%, 06/01/2025		445		455
Enviva Partners
6.500%, 01/15/2026 (A)		3,562		3,676
EQM Midstream Partners
6.500%, 07/01/2027 (A)		1,116		1,205
6.500%, 07/15/2048		3,042		3,531
6.000%, 07/01/2025 (A)		1,221		1,298
5.500%, 07/15/2028		61		65
4.750%, 01/15/2031 (A)		357		361
4.500%, 01/15/2029 (A)		901		894
EQT
7.500%, 02/01/2030		845		1,066
6.625%, 02/01/2025		2,565		2,863
3.900%, 10/01/2027		230		240
Equities
5.000%, 01/15/2029		162		177
3.625%, 05/15/2031 (A)		1,367		1,393
3.125%, 05/15/2026 (A)		198		198
Exterran Energy Solutions
8.125%, 05/01/2025		3,672		3,406
Genesis Energy
8.000%, 01/15/2027		1,727		1,712
7.750%, 02/01/2028		1,978		1,934
6.500%, 10/01/2025		40		39
6.250%, 05/15/2026		70		67
Great Western Petroleum LLC
12.000%, 09/01/2025 (A)		1,998		2,071
Gulfport Energy
8.000%, 05/17/2026		457		491
Gulfport Energy (Escrow Securities)
0.000%, 10/15/2024		470		22
0.000%, 05/15/2025 (D)		311		15
0.000%, 01/15/2026		780		37
Gulfport Energy Operating
8.000%, 05/17/2026 (A)		3,470		3,730

152

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Harvest Midstream I
7.500%, 09/01/2028 (A)	$	3,350	$	3,471
Hess Midstream Operations
5.625%, 02/15/2026 (A)		600		614
4.250%, 02/15/2030 (A)		315		305
ITT Holdings LLC
6.500%, 08/01/2029 (A)		4,175		4,042
Laredo Petroleum
10.125%, 01/15/2028		1,398		1,426
9.500%, 01/15/2025		4,007		3,987
7.750%, 07/31/2029 (A)		1,349		1,276
Marathon Oil
6.600%, 10/01/2037		2,560		3,385
MEG Energy
7.125%, 02/01/2027 (A)		585		598
6.500%, 01/15/2025 (A)		745		753
Moss Creek Resources Holdings
10.500%, 05/15/2027 (A)		3,328		3,128
7.500%, 01/15/2026 (A)		3,719		3,276
Motiva Enterprises
6.850%, 01/15/2040 (A)		1,713		2,147
Nabors Industries
7.250%, 01/15/2026 (A)		147		126
5.750%, 02/01/2025		510		426
New Fortress Energy
6.750%, 09/15/2025 (A)		983		944
6.500%, 09/30/2026 (A)		3,485		3,294
NGL Energy Operating LLC
7.500%, 02/01/2026 (A)		5,759		5,718
NGL Energy Partners
7.500%, 11/01/2023		4,769		4,544
7.500%, 04/15/2026		670		557
6.125%, 03/01/2025		5,241		4,358
Northern Oil and Gas
8.125%, 03/01/2028 (A)		3,964		4,107
NuStar Logistics
6.375%, 10/01/2030		1,092		1,163
6.000%, 06/01/2026		485		513
5.750%, 10/01/2025		207		219
5.625%, 04/28/2027		80		82
Oasis Midstream Partners
8.000%, 04/01/2029 (A)		564		601
Oasis Petroleum
6.375%, 06/01/2026 (A)		184		189
Occidental Petroleum
8.875%, 07/15/2030		3,431		4,506
8.500%, 07/15/2027		1,900		2,306
8.000%, 07/15/2025		1,262		1,437
6.625%, 09/01/2030		1,631		1,957
6.450%, 09/15/2036		775		962
6.375%, 09/01/2028		2,896		3,301
6.125%, 01/01/2031		5,328		6,209

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.875%, 09/01/2025	$	291	$	313
5.500%, 12/01/2025		3,921		4,192
4.625%, 06/15/2045		1,445		1,459
4.500%, 07/15/2044		155		155
3.400%, 04/15/2026		1,387		1,374
3.200%, 08/15/2026		4,728		4,645
3.125%, 02/15/2022		1		–
PBF Holding LLC
9.250%, 05/15/2025 (A)		2,380		2,220
7.250%, 06/15/2025		1,645		1,100
6.000%, 02/15/2028		129		77
Peabody Energy
6.375%, 03/31/2025 (A)		1,094		996
Precision Drilling
7.125%, 01/15/2026 (A)		325		327
6.875%, 01/15/2029 (A)		57		55
Range Resources
8.250%, 01/15/2029 (A)		189		208
4.875%, 05/15/2025		685		699
Rockcliff Energy II LLC
5.500%, 10/15/2029 (A)		1,563		1,578
Seventy Seven Operating LLC (Escrow Security)
6.625%, 11/15/2019 (B)(D)		2,787		–
Shelf Drilling Holdings
8.875%, 11/15/2024 (A)		625		644
8.250%, 02/15/2025 (A)		3,000		2,100
SM Energy
6.625%, 01/15/2027		1,895		1,904
6.500%, 07/15/2028		110		111
5.625%, 06/01/2025		2,235		2,213
Southwestern Energy
8.375%, 09/15/2028		50		55
7.750%, 10/01/2027		1,225		1,313
5.375%, 03/15/2030		490		510
Strathcona Resources
6.875%, 08/01/2026 (A)		2,510		2,466
Summit Midstream Holdings LLC
8.500%, 10/15/2026 (A)		684		689
5.750%, 04/15/2025		2,488		2,196
Sunoco
5.875%, 03/15/2028		2,791		2,917
4.500%, 05/15/2029		427		421
4.500%, 04/30/2030 (A)		536		531
Tallgrass Energy Partners
7.500%, 10/01/2025 (A)		875		928
6.000%, 03/01/2027 (A)		3,175		3,254
6.000%, 12/31/2030 (A)		5,008		4,949
6.000%, 09/01/2031 (A)		1,386		1,341
5.500%, 01/15/2028 (A)		115		112
Targa Resources Partners
6.875%, 01/15/2029		516		572

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

153

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
6.500%, 07/15/2027	$	559	$	595
5.875%, 04/15/2026		760		788
5.500%, 03/01/2030		540		587
5.375%, 02/01/2027		65		66
5.000%, 01/15/2028		3,156		3,263
4.875%, 02/01/2031		647		694
4.000%, 01/15/2032 (A)		303		313
TerraForm Power Operating LLC
4.750%, 01/15/2030 (A)		225		228
Transocean
11.500%, 01/30/2027 (A)		2,381		2,238
8.000%, 02/01/2027 (A)		2,645		1,814
7.500%, 04/15/2031		1,580		879
Transocean Guardian
5.875%, 01/15/2024 (A)		2,108		1,982
Transocean Pontus
6.125%, 08/01/2025 (A)		2,559		2,510
Transocean Proteus
6.250%, 12/01/2024 (A)		1,612		1,595
USA Compression Partners
6.875%, 09/01/2027		3,650		3,743
Venture Global Calcasieu Pass LLC
4.125%, 08/15/2031 (A)		435		445
3.875%, 08/15/2029 (A)		435		437
3.875%, 11/01/2033 (A)		960		962
Vine Energy Holdings LLC
6.750%, 04/15/2029 (A)		774		824
Weatherford International
6.500%, 09/15/2028 (A)		3,735		3,837
Western Midstream Operating
6.500%, 02/01/2050		3,489		3,985
				297,205
Financials — 6.8%
Acrisure LLC
7.000%, 11/15/2025 (A)		2,788		2,764
4.250%, 02/15/2029 (A)		2,601		2,424
Advisor Group Holdings
10.750%, 08/01/2027 (A)		3,076		3,346
Air Methods
8.000%, 05/15/2025 (A)		10,188		7,909
Alliant Holdings Intermediate LLC
5.875%, 11/01/2029 (A)		2,135		2,080
Apollo Commercial Real Estate Finance
4.625%, 06/15/2029 (A)		1,369		1,301
AssuredPartners
5.625%, 01/15/2029 (A)		1,859		1,785
Asteroid Private Merger Sub
8.500%, 11/15/2029 (A)		1,550		1,593
Bank of America
5.875%, VAR ICE LIBOR USD 3 Month + 2.931%(C)		1,301		1,421

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Barclays
7.750%, VAR USD Swap Semi 30/360 5 Yr Curr + 4.842%(C)	$	2,760	$	2,960
6.125%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 5.867%(C)		1,250		1,339
BroadStreet Partners
5.875%, 04/15/2029 (A)		3,795		3,681
Brookfield Property
5.750%, 05/15/2026 (A)		3,985		4,096
Brookfield Property REIT
4.500%, 04/01/2027 (A)		6,676		6,342
Citigroup
5.000%, VAR United States Secured Overnight Financing Rate + 3.813%(C)		5,285		5,391
Coinbase Global
3.625%, 10/01/2031 (A)		5,548		5,146
3.375%, 10/01/2028 (A)		3,020		2,839
Finance of America Funding LLC
7.875%, 11/15/2025 (A)		7,446		7,204
Freedom Mortgage
8.250%, 04/15/2025 (A)		5,175		5,149
8.125%, 11/15/2024 (A)		3,492		3,468
7.625%, 05/01/2026 (A)		360		348
6.625%, 01/15/2027 (A)		2,210		2,077
HAT Holdings I LLC
6.000%, 04/15/2025 (A)		1,969		2,038
3.750%, 09/15/2030 (A)		3,392		3,323
Home Point Capital
5.000%, 02/01/2026 (A)		1,490		1,379
HSBC Holdings PLC
4.600%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 3.649%(C)		1,377		1,360
HUB International
5.625%, 12/01/2029 (A)		1,420		1,417
Hunt
5.250%, 04/15/2029 (A)		2,819		2,742
Intesa Sanpaolo MTN
5.710%, 01/15/2026 (A)		1,415		1,569
Issuer LLC
6.250%, 03/01/2028 (A)		1,299		1,341
Jane Street Group
4.500%, 11/15/2029 (A)		1,747		1,744
JPMorgan Chase
5.000%, VAR United States Secured Overnight Financing Rate + 3.380%(C)		1,299		1,325
4.000%, VAR United States Secured Overnight Financing Rate + 2.745%(C)		2,633		2,607

154

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Ladder Capital Finance Holdings LLLP
5.250%, 10/01/2025 (A)	$	1,046	$	1,051
4.750%, 06/15/2029 (A)		2,462		2,450
4.250%, 02/01/2027 (A)		1,864		1,853
LD Holdings Group LLC
6.500%, 11/01/2025 (A)		2,357		2,253
6.125%, 04/01/2028 (A)		2,712		2,489
Lloyds Banking Group
7.500%, VAR USD Swap Semi 30/360 5 Yr Curr + 4.760%(C)		3,250		3,526
LPL Holdings
4.625%, 11/15/2027 (A)		4,428		4,539
4.375%, 05/15/2031 (A)		149		150
MGM Growth Properties Operating Partnership
5.750%, 02/01/2027		357		404
5.625%, 05/01/2024		315		337
4.625%, 06/15/2025 (A)		411		438
4.500%, 09/01/2026		225		241
4.500%, 01/15/2028		175		188
3.875%, 02/15/2029 (A)		396		416
Midcap Financial Issuer Trust
6.500%, 05/01/2028 (A)		4,198		4,282
5.625%, 01/15/2030 (A)		1,503		1,420
Morgan Stanley
5.300%, VAR ICE LIBOR USD 3 Month + 3.160%(C)		872		898
Nationstar Mortgage Holdings
6.000%, 01/15/2027 (A)		2,312		2,387
5.750%, 11/15/2031 (A)		465		454
5.500%, 08/15/2028 (A)		4,120		4,105
5.125%, 12/15/2030 (A)		1,582		1,521
Navient
5.500%, 03/15/2029		2,370		2,337
New Residential Investment
6.250%, 10/15/2025 (A)		5,937		5,855
NFP
6.875%, 08/15/2028 (A)		1,890		1,872
4.875%, 08/15/2028 (A)		1,101		1,085
OneMain Finance
7.125%, 03/15/2026		3,300		3,709
6.625%, 01/15/2028		500		554
5.375%, 11/15/2029		1,858		1,955
4.000%, 09/15/2030		4,793		4,625
3.500%, 01/15/2027		137		132
PennyMac Financial Services
5.750%, 09/15/2031 (A)		830		807
5.375%, 10/15/2025 (A)		1,265		1,271
4.250%, 02/15/2029 (A)		295		271
Rocket Mortgage LLC
4.000%, 10/15/2033 (A)		105		103
3.875%, 03/01/2031 (A)		1,025		1,012

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.625%, 03/01/2029 (A)	$	1,025	$	1,002
2.875%, 10/15/2026 (A)		315		307
Saracen Development LLC
14.000%cash/0% PIK, 10/15/2025 (A)(F)		3,762		4,165
Sitka Holdings LLC
5.250%, VAR ICE LIBOR USD 3 Month + 4.500%, 07/06/2026 (A)		4,994		5,092
Starwood Property Trust
5.500%, 11/01/2023 (A)		2,170		2,235
3.625%, 07/15/2026 (A)		190		188
Trilogy
10.000%, 05/15/2023 (D)(F)		60		60
United Wholesale Mortgage LLC
5.750%, 06/15/2027 (A)		2,195		2,157
VistaJet Malta Finance
10.500%, 06/01/2024 (A)		6,588		7,049
Voya Financial
4.700%, VAR ICE LIBOR USD 3 Month + 2.084%, 01/23/2048		1,183		1,227
WeWork
7.875%, 05/01/2025 (A)		5,225		5,107
				185,087
Health Care — 3.8%
Acadia Healthcare
5.500%, 07/01/2028 (A)		1,201		1,251
5.000%, 04/15/2029 (A)		232		236
Avantor Funding
4.625%, 07/15/2028 (A)		828		855
3.875%, 11/01/2029 (A)		3,700		3,695
Catalent Pharma Solutions
3.125%, 02/15/2029 (A)		2,546		2,428
Centene
4.625%, 12/15/2029		2,403		2,571
4.250%, 12/15/2027		3,643		3,780
3.375%, 02/15/2030		300		302
2.500%, 03/01/2031		2,695		2,582
CHS
8.000%, 03/15/2026 (A)		170		178
6.875%, 04/01/2028 (A)		3,888		3,645
6.875%, 04/15/2029 (A)		2,498		2,455
6.125%, 04/01/2030 (A)		1,261		1,207
6.000%, 01/15/2029 (A)		440		458
5.625%, 03/15/2027 (A)		420		431
4.750%, 02/15/2031 (A)		1,971		1,941
DaVita
4.625%, 06/01/2030 (A)		310		306
3.750%, 02/15/2031 (A)		5,969		5,535
Emergent BioSolutions
3.875%, 08/15/2028 (A)		1,813		1,722

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

155

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Encompass Health
4.750%, 02/01/2030	$	2,499	$	2,515
4.625%, 04/01/2031		80		80
4.500%, 02/01/2028		1,190		1,202
Endo DAC
9.500%, 07/31/2027 (A)		2,088		2,102
6.000%, 06/30/2028 (A)		2,068		1,582
Endo Luxembourg Finance I Sarl
6.125%, 04/01/2029 (A)		1,905		1,866
HCA
5.875%, 02/15/2026		6,955		7,793
5.875%, 02/01/2029		720		845
5.625%, 09/01/2028		445		514
5.375%, 02/01/2025		3,365		3,670
5.375%, 09/01/2026		460		513
3.500%, 09/01/2030		2,710		2,821
HealthEquity
4.500%, 10/01/2029 (A)		108		107
Hill-Rom Holdings
4.375%, 09/15/2027 (A)		190		197
Hologic
3.250%, 02/15/2029 (A)		1,012		993
IQVIA
5.000%, 10/15/2026 (A)		1,440		1,472
Jaguar Holding II
5.000%, 06/15/2028 (A)		150		161
4.625%, 06/15/2025 (A)		152		157
Jazz Securities DAC
4.375%, 01/15/2029 (A)		334		340
Lannett
7.750%, 04/15/2026 (A)		4,085		3,084
Mallinckrodt International Finance
5.625%, 10/15/2023 (A)(B)		850		482
5.500%, 04/15/2025 (A)(B)		595		353
MEDNAX
6.250%, 01/15/2027 (A)		1,570		1,639
ModivCare Escrow Issuer
5.000%, 10/01/2029 (A)		1,315		1,305
Molina Healthcare
4.375%, 06/15/2028 (A)		1,960		1,985
Option Care Health
4.375%, 10/31/2029 (A)		1,140		1,135
Owens & Minor
4.500%, 03/31/2029 (A)		398		403
Par Pharmaceutical
7.500%, 04/01/2027 (A)		5,365		5,409
Prestige Brands
5.125%, 01/15/2028 (A)		370		384
Syneos Health
3.625%, 01/15/2029 (A)		3,053		3,008
Tenet Healthcare
7.500%, 04/01/2025 (A)		879		924

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
6.875%, 11/15/2031	$	1,110	$	1,265
6.250%, 02/01/2027 (A)		2,873		2,977
6.125%, 10/01/2028 (A)		3,040		3,105
5.125%, 11/01/2027 (A)		870		893
4.875%, 01/01/2026 (A)		2,983		3,050
4.625%, 07/15/2024		298		301
4.625%, 09/01/2024 (A)		45		46
4.625%, 06/15/2028 (A)		3,543		3,615
4.375%, 01/15/2030 (A)		1,770		1,764
4.250%, 06/01/2029 (A)		2,668		2,641
Varex Imaging
7.875%, 10/15/2027 (A)		2,134		2,347
				106,623
Industrials — 7.7%
ACCO Brands
4.250%, 03/15/2029 (A)		545		533
ADT Security
4.875%, 07/15/2032 (A)		2,573		2,547
4.125%, 08/01/2029 (A)		470		457
Allison Transmission
5.875%, 06/01/2029 (A)		855		914
4.750%, 10/01/2027 (A)		3,684		3,804
3.750%, 01/30/2031 (A)		332		317
American Airlines
11.750%, 07/15/2025 (A)		2,032		2,464
5.750%, 04/20/2029 (A)		5,822		6,072
5.500%, 04/20/2026 (A)		4,095		4,182
American Airlines Group
3.750%, 03/01/2025 (A)		2,248		2,001
APi Escrow
4.750%, 10/15/2029 (A)		234		237
APi Group DE
4.125%, 07/15/2029 (A)		280		274
ARD Finance
6.500%cash/0% PIK, 06/30/2027 (A)		2,810		2,873
Ardagh Packaging Finance
5.250%, 04/30/2025 (A)		2,581		2,655
5.250%, 08/15/2027 (A)		830		813
4.125%, 08/15/2026 (A)		1,285		1,299
Artera Services LLC
9.033%, 12/04/2025 (A)		5,629		5,658
ATS Automation Tooling Systems
4.125%, 12/15/2028 (A)		493		497
Avis Budget Car Rental LLC
5.750%, 07/15/2027 (A)		840		868
5.375%, 03/01/2029 (A)		301		308
Boeing
5.150%, 05/01/2030		3,538		4,104
Bombardier
7.875%, 04/15/2027 (A)		1,950		2,007
7.500%, 12/01/2024 (A)		3,264		3,386

156

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
7.500%, 03/15/2025 (A)	$	1,475	$	1,503
7.125%, 06/15/2026 (A)		1,067		1,102
Brand Industrial Services
8.500%, 07/15/2025 (A)		2,651		2,611
Builders FirstSource
5.000%, 03/01/2030 (A)		1,297		1,377
4.250%, 02/01/2032 (A)		353		355
BWAY Holding Co
7.250%, 04/15/2025 (A)		7,630		7,482
5.500%, 04/15/2024 (A)		135		135
BWX Technologies
4.125%, 06/30/2028 (A)		607		607
4.125%, 04/15/2029 (A)		4,464		4,462
Cargo Aircraft Management
4.750%, 02/01/2028 (A)		3,777		3,843
CEMEX Materials LLC
7.700%, 07/21/2025 (A)		2,820		3,153
Clark Equipment
5.875%, 06/01/2025 (A)		1,127		1,169
Clean Harbors
4.875%, 07/15/2027 (A)		2,794		2,871
CoreCivic
8.250%, 04/15/2026		482		496
CP Atlas Buyer
7.000%, 12/01/2028 (A)		4,935		4,738
Delta Air Lines
7.375%, 01/15/2026		446		516
7.000%, 05/01/2025 (A)		1,616		1,857
Delta Air Lines/Skymiles LP
4.750%, 10/20/2028 (A)		2,702		2,961
4.500%, 10/20/2025 (A)		355		372
Deluxe
8.000%, 06/01/2029 (A)		3,515		3,642
EnerSys
4.375%, 12/15/2027 (A)		892		919
EnPro Industries
5.750%, 10/15/2026		569		592
Fortress Transportation & Infrastructure Investors LLC
9.750%, 08/01/2027 (A)		2,055		2,284
6.500%, 10/01/2025 (A)		2,025		2,064
Fortress Transportation and Infrastructure Investors LLC
5.500%, 05/01/2028 (A)		1,780		1,744
GFL Environmental
5.125%, 12/15/2026 (A)		2,919		3,024
4.750%, 06/15/2029 (A)		318		318
4.375%, 08/15/2029 (A)		1,321		1,285
4.000%, 08/01/2028 (A)		614		596
3.750%, 08/01/2025 (A)		824		834
3.500%, 09/01/2028 (A)		1,160		1,124

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Global Infrastructure Solutions
5.625%, 06/01/2029 (A)	$	395	$	399
GrafTech Finance
4.625%, 12/15/2028 (A)		3,535		3,578
Graham Packaging
7.125%, 08/15/2028 (A)		312		318
Granite US Holdings
11.000%, 10/01/2027 (A)		3,575		3,886
Griffon
5.750%, 03/01/2028		690		711
H&E Equipment Services
3.875%, 12/15/2028 (A)		2,815		2,736
Harsco
5.750%, 07/31/2027 (A)		766		776
Hawaiian Brand Intellectual Property
5.750%, 01/20/2026 (A)		2,011		2,055
Herc Holdings
5.500%, 07/15/2027 (A)		835		864
Hertz
5.000%, 12/01/2029 (A)		1,928		1,889
4.625%, 12/01/2026 (A)		708		698
Howmet Aerospace
5.900%, 02/01/2027		1,185		1,332
Icahn Enterprises
4.750%, 09/15/2024		1,670		1,691
4.375%, 02/01/2029		435		421
IEA Energy Services LLC
6.625%, 08/15/2029 (A)		2,115		2,052
Imola Merger
4.750%, 05/15/2029 (A)		1,269		1,276
JELD-WEN
6.250%, 05/15/2025 (A)		235		245
4.875%, 12/15/2027 (A)		170		174
4.625%, 12/15/2025 (A)		560		565
Korn Ferry
4.625%, 12/15/2027 (A)		3,041		3,128
LABL
10.500%, 07/15/2027 (A)		480		502
6.750%, 07/15/2026 (A)		640		656
Madison IAQ LLC
5.875%, 06/30/2029 (A)		510		491
Masonite International
5.375%, 02/01/2028 (A)		508		529
MasTec
4.500%, 08/15/2028 (A)		825		850
Mileage Plus Holdings LLC
6.500%, 06/20/2027 (A)		3,612		3,855
Moog
4.250%, 12/15/2027 (A)		2,212		2,247
New Enterprise Stone & Lime
5.250%, 07/15/2028 (A)		540		539

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

157

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Nielsen Finance LLC
5.875%, 10/01/2030 (A)	$	661	$	688
5.625%, 10/01/2028 (A)		961		981
Pactiv Evergreen Group Issuer
4.000%, 10/15/2027 (A)		3,954		3,796
Pactiv Evergreen Group Issuer LLC
4.375%, 10/15/2028 (A)		2,105		2,047
PGT Innovations
4.375%, 10/01/2029 (A)		233		231
Remington Arms
0.000%, 12/31/2049 (D)		1,885		–
Roller Bearing of America
4.375%, 10/15/2029 (A)		93		93
Rolls-Royce
5.750%, 10/15/2027 (A)		3,495		3,849
Science Applications International
4.875%, 04/01/2028 (A)		4,064		4,155
Sensata Technologies
5.625%, 11/01/2024 (A)		200		218
4.375%, 02/15/2030 (A)		1,766		1,832
3.750%, 02/15/2031 (A)		2,203		2,164
Sensata Technologies BV
4.000%, 04/15/2029 (A)		1,025		1,039
Signature Aviation US Holdings
4.000%, 03/01/2028 (A)		1,806		1,806
Spirit AeroSystems
7.500%, 04/15/2025 (A)		440		460
5.500%, 01/15/2025 (A)		240		247
4.600%, 06/15/2028		3,775		3,575
Standard Industries
4.750%, 01/15/2028 (A)		1,295		1,305
3.375%, 01/15/2031 (A)		208		192
Stericycle
3.875%, 01/15/2029 (A)		418		408
Stevens Holding
6.125%, 10/01/2026 (A)		370		396
Summit Materials LLC
5.250%, 01/15/2029 (A)		366		381
Terex
5.000%, 05/15/2029 (A)		220		224
Tervita
11.000%, 12/01/2025 (A)		1,437		1,646
TransDigm
8.000%, 12/15/2025 (A)		827		871
6.250%, 03/15/2026 (A)		5,519		5,726
5.500%, 11/15/2027		3,161		3,181
4.625%, 01/15/2029		860		824
Trident TPI Holdings
9.250%, 08/01/2024 (A)		2,099		2,178
TriMas
4.125%, 04/15/2029 (A)		437		437

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Triumph Group
8.875%, 06/01/2024 (A)	$	500	$	547
7.750%, 08/15/2025		2,250		2,236
6.250%, 09/15/2024 (A)		115		115
Trivium Packaging Finance BV
8.500%, 08/15/2027 (A)		250		261
5.500%, 08/15/2026 (A)		976		1,008
Tutor Perini
6.875%, 05/01/2025 (A)		10,029		10,029
Uber Technologies
4.500%, 08/15/2029 (A)		424		420
United Airlines
4.625%, 04/15/2029 (A)		2,031		2,020
4.375%, 04/15/2026 (A)		4,530		4,548
United Rentals North America
5.500%, 05/15/2027		1,230		1,278
4.875%, 01/15/2028		725		759
3.875%, 02/15/2031		399		400
Wabash National
4.500%, 10/15/2028 (A)		325		317
Welbilt
9.500%, 02/15/2024		300		307
WESCO Distribution
7.250%, 06/15/2028 (A)		611		664
7.125%, 06/15/2025 (A)		556		587
Western Global Airlines LLC
10.375%, 08/15/2025 (A)		1,990		2,209
				219,424
Information Technology — 3.4%
ACI Worldwide
5.750%, 08/15/2026 (A)		667		695
Ahead DB Holdings LLC
6.625%, 05/01/2028 (A)		3,391		3,386
Alliance Data Systems
4.750%, 12/15/2024 (A)		1,341		1,359
ams
7.000%, 07/31/2025 (A)		2,573		2,711
Ascend Learning LLC
6.875%, 08/01/2025 (A)		928		945
Austin BidCo
7.125%, 12/15/2028 (A)		2,365		2,428
Avaya
6.125%, 09/15/2028 (A)		7,188		7,439
Black Knight InfoServ LLC
3.625%, 09/01/2028 (A)		372		363
Castle US Holding
9.500%, 02/15/2028 (A)		2,110		2,215
CDK Global
5.250%, 05/15/2029 (A)		553		585
CDW LLC
4.250%, 04/01/2028		420		432

158

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.250%, 02/15/2029	$	270	$	270
Clarivate Science Holdings
4.875%, 07/01/2029 (A)		326		319
3.875%, 07/01/2028 (A)		1,195		1,175
CommScope
7.125%, 07/01/2028 (A)		2,660		2,474
4.750%, 09/01/2029 (A)		529		512
CommScope Finance LLC
8.250%, 03/01/2027 (A)		6,798		6,662
6.000%, 03/01/2026 (A)		970		992
CommScope Technologies LLC
6.000%, 06/15/2025 (A)		4,498		4,341
5.000%, 03/15/2027 (A)		340		305
Conduent Business Services LLC
6.000%, 11/01/2029 (A)		530		524
Consensus Cloud Solutions
6.500%, 10/15/2028 (A)		985		1,000
Diebold Nixdorf
9.375%, 07/15/2025 (A)		1,469		1,559
Elastic
4.125%, 07/15/2029 (A)		2,769		2,714
Entegris
4.375%, 04/15/2028 (A)		1,322		1,347
3.625%, 05/01/2029 (A)		266		264
Flexential Intermediate
11.250%, 08/01/2024 (A)		1,399		1,497
Gartner
4.500%, 07/01/2028 (A)		335		348
3.750%, 10/01/2030 (A)		83		83
3.625%, 06/15/2029 (A)		210		209
Go Daddy Operating LLC
5.250%, 12/01/2027 (A)		2,784		2,885
3.500%, 03/01/2029 (A)		2,263		2,152
Monitronics International (Escrow Security)
9.125%, 04/01/2020 (B)(D)		10,706		–
NCR
6.125%, 09/01/2029 (A)		735		779
5.750%, 09/01/2027 (A)		740		767
5.125%, 04/15/2029 (A)		378		382
5.000%, 10/01/2028 (A)		238		240
Nuance Communications
5.625%, 12/15/2026		173		178
ON Semiconductor
3.875%, 09/01/2028 (A)		853		868
Open Text Holdings
4.125%, 02/15/2030 (A)		4,029		4,009
Paysafe Finance
4.000%, 06/15/2029 (A)		4,382		4,042
Plantronics
4.750%, 03/01/2029 (A)		304		274
Presidio Holdings
4.875%, 02/01/2027 (A)		425		430

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
PTC
4.000%, 02/15/2028 (A)	$	3,416	$	3,433
3.625%, 02/15/2025 (A)		262		263
Seagate HDD Cayman
5.750%, 12/01/2034		2,672		3,006
3.375%, 07/15/2031 (A)		2,523		2,400
SS&C Technologies
5.500%, 09/30/2027 (A)		906		942
Switch
4.125%, 06/15/2029 (A)		159		160
3.750%, 09/15/2028 (A)		94		93
Synaptics
4.000%, 06/15/2029 (A)		2,780		2,808
Veritas US
7.500%, 09/01/2025 (A)		5,580		5,747
ViaSat
6.500%, 07/15/2028 (A)		3,250		3,310
5.625%, 09/15/2025 (A)		1,881		1,901
5.625%, 04/15/2027 (A)		1,250		1,277
Xerox Holdings
5.500%, 08/15/2028 (A)		442		443
5.000%, 08/15/2025 (A)		442		454
				92,396
Materials — 6.1%
Alcoa Nederland Holding BV
6.125%, 05/15/2028 (A)		200		213
5.500%, 12/15/2027 (A)		200		212
Allegheny Technologies
5.875%, 12/01/2027		1,481		1,542
5.125%, 10/01/2031		137		135
4.875%, 10/01/2029		182		180
Arconic
6.125%, 02/15/2028 (A)		1,132		1,177
6.000%, 05/15/2025 (A)		445		464
Ashland LLC
6.875%, 05/15/2043		1,384		1,747
Axalta Coating Systems LLC
4.750%, 06/15/2027 (A)		699		722
3.375%, 02/15/2029 (A)		358		340
Baffinland Iron Mines
8.750%, 07/15/2026 (A)		4,590		4,785
Big River Steel LLC
6.625%, 01/31/2029 (A)		342		367
Carpenter Technology
6.375%, 07/15/2028		281		297
Chemours
5.750%, 11/15/2028 (A)		2,430		2,491
4.625%, 11/15/2029 (A)		3,850		3,720
Cleveland-Cliffs
4.875%, 03/01/2031 (A)		250		252
4.625%, 03/01/2029 (A)		350		352

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

159

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Constellium
5.875%, 02/15/2026 (A)	$	1,693	$	1,712
5.625%, 06/15/2028 (A)		775		808
3.750%, 04/15/2029 (A)		1,444		1,372
Cornerstone Chemical
6.750%, 08/15/2024 (A)		11,740		10,331
Crown Americas LLC
4.750%, 02/01/2026		1,324		1,360
4.250%, 09/30/2026		2,602		2,739
CVR Partners
6.125%, 06/15/2028 (A)		4,395		4,561
Domtar
6.750%, 10/01/2028 (A)		3,730		3,751
Eldorado
6.250%, 09/01/2029 (A)		1,366		1,375
Element Solutions
3.875%, 09/01/2028 (A)		593		587
EverArc Escrow Sarl
5.000%, 10/30/2029 (A)		1,481		1,444
First Quantum Minerals
7.500%, 04/01/2025 (A)		1,995		2,050
6.875%, 03/01/2026 (A)		2,561		2,650
6.500%, 03/01/2024 (A)		2,962		2,996
Forterra Finance LLC
6.500%, 07/15/2025 (A)		285		301
Freeport-McMoRan
5.450%, 03/15/2043		4,756		5,861
5.400%, 11/14/2034		1,443		1,717
4.625%, 08/01/2030		1,890		1,996
4.375%, 08/01/2028		1,090		1,137
4.125%, 03/01/2028		507		521
GCP Applied Technologies
5.500%, 04/15/2026 (A)		920		941
Glatfelter
4.750%, 11/15/2029 (A)		267		270
Greif
6.500%, 03/01/2027 (A)		580		602
Hecla Mining
7.250%, 02/15/2028		1,160		1,241
Hexion
7.875%, 07/15/2027 (A)		485		514
IAMGOLD
5.750%, 10/15/2028 (A)		3,375		3,273
Innophos Holdings
9.375%, 02/15/2028 (A)		2,800		3,010
Kraton Polymers LLC
4.250%, 12/15/2025 (A)		3,946		4,074
LSB Industries
6.250%, 10/15/2028 (A)		2,485		2,566
Mineral Resources
8.125%, 05/01/2027 (A)		3,845		4,140

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Mountain Province Diamonds
8.000%, 12/15/2022 (A)	$	4,565	$	4,237
New Gold
7.500%, 07/15/2027 (A)		970		1,015
6.375%, 05/15/2025 (A)		579		591
NMG Holding
7.125%, 04/01/2026 (A)		7,535		7,881
Northwest Acquisitions ULC
7.125%, 11/01/2022 (A)(B)(D)		3,290		–
NOVA Chemicals
5.250%, 06/01/2027 (A)		1,105		1,160
5.000%, 05/01/2025 (A)		1,451		1,520
4.875%, 06/01/2024 (A)		535		554
4.250%, 05/15/2029 (A)		385		377
Novelis
4.750%, 01/30/2030 (A)		420		424
3.875%, 08/15/2031 (A)		144		139
3.250%, 11/15/2026 (A)		288		288
OCI
4.625%, 10/15/2025 (A)		988		1,013
OI European Group BV
4.750%, 02/15/2030 (A)		2,951		2,948
Owens-Brockway Glass Container
6.625%, 05/13/2027 (A)		594		622
6.375%, 08/15/2025 (A)		815		878
5.875%, 08/15/2023 (A)		1,135		1,180
Polar US Borrower LLC
6.750%, 05/15/2026 (A)		5,325		5,171
Rain CII Carbon LLC
7.250%, 04/01/2025 (A)		6,065		6,171
Reichhold Industries
9.000%cash/0% PIK, 05/01/2018 (A)(B)(D)		1,056		–
SCIH Salt Holdings
6.625%, 05/01/2029 (A)		10,902		10,056
4.875%, 05/01/2028 (A)		2,510		2,376
Scotts Miracle-Gro
5.250%, 12/15/2026		121		124
4.500%, 10/15/2029		134		138
4.375%, 02/01/2032 (A)		366		363
4.000%, 04/01/2031 (A)		391		380
SunCoke Energy
4.875%, 06/30/2029 (A)		–		–
Tacora Resources
8.250%, 05/15/2026 (A)		1,775		1,762
Taseko Mines
7.000%, 02/15/2026 (A)		4,183		4,246
Trinseo Materials Operating SCA
5.375%, 09/01/2025 (A)		975		986
5.125%, 04/01/2029 (A)		284		284
Tronox
6.500%, 05/01/2025 (A)		797		834

160

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.625%, 03/15/2029 (A)	$	3,626	$	3,517
U.S. Steel
6.875%, 03/01/2029		1,617		1,694
Unifrax Escrow Issuer
7.500%, 09/30/2029 (A)		1,471		1,427
5.250%, 09/30/2028 (A)		3,778		3,713
Venator Finance Sarl
9.500%, 07/01/2025 (A)		1,716		1,875
5.750%, 07/15/2025 (A)		8,843		8,180
Warrior Met Coal
8.000%, 11/01/2024 (A)		2,070		2,117
WR Grace Holdings LLC
5.625%, 08/15/2029 (A)		177		178
4.875%, 06/15/2027 (A)		325		323
				169,638
Real Estate — 1.3%
Diversified Healthcare Trust
9.750%, 06/15/2025		3,190		3,445
4.375%, 03/01/2031		1,760		1,646
Iron Mountain
5.250%, 03/15/2028 (A)		281		289
5.250%, 07/15/2030 (A)		830		846
5.000%, 07/15/2028 (A)		400		406
4.875%, 09/15/2027 (A)		2,933		2,975
4.875%, 09/15/2029 (A)		4,318		4,379
4.500%, 02/15/2031 (A)		424		416
Kennedy-Wilson
5.000%, 03/01/2031		170		174
4.750%, 03/01/2029		172		174
Lamar Media
4.000%, 02/15/2030		877		877
Outfront Media Capital LLC
5.000%, 08/15/2027 (A)		766		772
4.250%, 01/15/2029 (A)		3,800		3,696
RHP Hotel Properties
4.750%, 10/15/2027		977		980
4.500%, 02/15/2029 (A)		292		284
SBA Communications
3.125%, 02/01/2029 (A)		2,279		2,165
Service Properties Trust
4.950%, 02/15/2027		3,973		3,790
3.950%, 01/15/2028		3,484		3,136
Uniti Group
7.875%, 02/15/2025 (A)		1,313		1,373
VICI Properties
4.625%, 12/01/2029 (A)		855		908
4.250%, 12/01/2026 (A)		687		709
4.125%, 08/15/2030 (A)		1,251		1,307
3.750%, 02/15/2027 (A)		885		907

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.500%, 02/15/2025 (A)	$	39	$	39
				35,693
Utilities — 1.7%
AmeriGas Partners
5.875%, 08/20/2026		235		256
5.500%, 05/20/2025		500		535
Calpine
5.000%, 02/01/2031 (A)		275		265
4.625%, 02/01/2029 (A)		605		579
4.500%, 02/15/2028 (A)		4,738		4,712
3.750%, 03/01/2031 (A)		3,522		3,355
FirstEnergy
4.400%, 07/15/2027		2,742		2,932
NextEra Energy Operating Partners
4.250%, 07/15/2024 (A)		2,746		2,809
NRG Energy
6.625%, 01/15/2027		1,306		1,350
5.250%, 06/15/2029 (A)		610		632
3.875%, 02/15/2032 (A)		1,758		1,687
3.625%, 02/15/2031 (A)		5,080		4,826
3.375%, 02/15/2029 (A)		200		193
Pattern Energy Operations
4.500%, 08/15/2028 (A)		2,060		2,096
PG&E
5.250%, 07/01/2030		3,204		3,284
5.000%, 07/01/2028		412		424
Pike
5.500%, 09/01/2028 (A)		310		313
Rockpoint Gas Storage Canada
7.000%, 03/31/2023 (A)		3,642		3,606
Talen Energy Supply LLC
10.500%, 01/15/2026 (A)		2,905		1,781
7.625%, 06/01/2028 (A)		5		5
7.250%, 05/15/2027 (A)		520		483
6.625%, 01/15/2028 (A)		2,030		1,852
Vistra Operations LLC
5.625%, 02/15/2027 (A)		635		652
5.000%, 07/31/2027 (A)		4,395		4,441
4.375%, 05/01/2029 (A)		2,520		2,473
4.300%, 07/15/2029 (A)		1,401		1,501
				47,042
Total Corporate Obligations
(Cost $2,007,391) ($ Thousands)				1,997,822

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

161

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS — 11.2%
1236904 B.C. LTD., Initial Term Loan, 1st Lien
5.590%, VAR LIBOR + 5.500%, 03/04/2027	$	4,057	$	3,981
AAdvantage Loyality IP Ltd. (American Airlines, Inc.), Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.750%, 04/20/2028		5,672		5,818
ACProducts Holdings, Inc., Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.250%, 05/17/2028		599		590
Adient US LLC, Term B-1 Loan, 1st Lien
3.590%, VAR LIBOR + 3.500%, 04/10/2028		519		517
AgroFresh, 1st Lien
7.250%, 12/31/2024 (G)		2,560		2,560
AI Convoy (Luxembourg) S.a r.l., Facility B (USD), 1st Lien
4.500%, VAR LIBOR + 3.500%, 01/18/2027 (H)		1,458		1,457
Alchemy US Holdco 1, LLC, Initial Term Loan, 1st Lien
5.590%, VAR LIBOR + 5.500%, 10/10/2025 (H)		1,696		1,690
Alvogen Pharma US, Inc., January 2020 Loan, 1st Lien
6.250%, VAR LIBOR + 5.250%, 12/31/2023		3,347		3,237
American Gaming, Term Loan, 1st Lien
14.000%, 02/15/2024 (D)(G)		1,323		1,350
American Trailer World Corp., Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 03/03/2028		696		689
AP Core Holdings II, LLC, Term B-1 Loan, 1st Lien
6.250%, VAR LIBOR + 5.500%, 09/01/2027		1,347		1,343
AP Core Holdings II, LLC, Term B-2 Loan, 1st Lien
6.250%, VAR LIBOR + 5.500%, 09/01/2027		1,347		1,343
AP Gaming I, LLC, Incremental Term B Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 02/15/2024		1,297		1,287
Apollo Commercial Real Estate Finance, Inc., Term B-1 Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 03/11/2028 (D)		1,395		1,381
Arctic Canadian Diamond Company, 1st Lien
6.000%, 12/31/2024 (D)		249		248

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Arctic Canadian Diamond Company, 2nd Lien
17.500%, 12/31/2027 (D)	$	1,639	$	1,640
Aruba Investments, Term Loan, 2nd Lien
8.500%, 11/24/2028 (G)		1,853		1,856
Ascend Learning, LLC, Amendment No. 2 Incremental Term Loan, 1st Lien
4.750%, VAR LIBOR + 3.750%, 07/12/2024		162		161
Ascend Learning, Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.250%, 07/12/2024		250		247
ASP Unifrax Holdings, Inc., USD Term Loan, 1st Lien
3.882%, VAR LIBOR + 3.750%, 12/12/2025		1,100		1,076
Autokiniton US Holdings Inc., Closing Date Term B Loan, 1st Lien
5.000%, 04/06/2028 (G)		1,972		1,968
Bausch Health Companies Inc., Initial Term Loan, 1st Lien
3.090%, VAR LIBOR + 3.000%, 06/02/2025		645		638
Blackhawk Network, Temr Loan, 2nd Lien
7.125%, 06/15/2026		2,412		2,388
BoardRiders Inc., Tranche A Loan, 1st Lien
9.000%, 10/23/2023		609		597
BoardRiders Inc., Tranche B-2 Loan, 1st Lien
9.000%, 04/23/2024		2,918		2,863
Bright Bidco B.V., 2018 Refinancing Term B Loan
4.500%, 06/30/2024 (H)		1,932		1,478
Byju's, Term Loan, 1st Lien
0.000%, 11/05/2026 (H)		6,147		6,116
Carecentrix, Term Loan, 1st Lien
4.500%, 04/03/2025 (G)		1,362		1,353
Carestream Health, Extended Loan, 2nd Lien
13.500%, 08/08/2023 (G)		4,384		4,252
Carestream, Extended Loan, 1st Lien
7.750%, 05/08/2023 (G)		2,014		2,016
CBAC Borrower LLC, Term B Loan, 1st Lien
4.090%, 07/08/2024 (G)		2,609		2,569
CCI Buyer, Inc., Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 12/17/2027		295		294
Cenveo Corporation, Exit Term Loan, 1st Lien
10.500%, VAR LIBOR + 9.000%, 06/23/2026		3,931		3,857
Cincinnati Bell, Term Loan B-2, 1st Lien
3.850%, 11/17/2028		180		179

162

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Claire's Stores, Inc., Initial Term Loan, 1st Lien
6.590%, VAR LIBOR + 6.500%, 12/18/2026	$	2,016	$	1,995
Clarios Global, Term Loan, 1st Lien
3.340%, 04/30/2026		972		959
CNT Holdings I Corp, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 11/08/2027		1,387		1,383
ConvergeOne Holdings, Corp., Initial Term Loan, 2nd Lien
5.090%, VAR LIBOR + 5.000%, 01/04/2026		4,783		4,732
Delta Topco, Inc., Initial Term Loan, 2nd Lien
8.000%, VAR LIBOR + 7.250%, 12/01/2028		1,589		1,594
DexKo Global Inc., Closing Date Dollar Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.750%, 10/04/2028 (H)		504		499
DIRECTV Financing, LLC, Closing Date Term Loan, 1st Lien
5.750%, VAR LIBOR + 5.000%, 08/02/2027		7,160		7,142
DMT Solutions Global Corporation, Initial Term Loan, 1st Lien
8.500%, 07/02/2024 (D)(H)		2,084		2,060
E.W. Scripps Company, The, Tranche B-3 Term Loan, 1st Lien
3.750%, VAR LIBOR + 3.000%, 01/07/2028		918		915
East Valley Tourist Development Authority , Term Loan, 1st Lien
9.000%, VAR LIBOR + 8.000%, 03/07/2022 (D)		4,746		4,734
Emerald Expositions Holding, Inc., Initial Term Loan, 1st Lien
2.590%, 05/22/2024 (H)		1,695		1,619
Endo Luxembourg, Term Loan, 1st Lien
5.750%, 03/27/2028 (G)		1,395		1,354
Enterprise Development Authority, Term B Loan, 1st Lien
5.000%, VAR LIBOR + 4.250%, 02/28/2028 (D)		4,896		4,902
Envision Healthcare Corporation, Initial Term Loan, 1st Lien
3.840%, VAR LIBOR + 3.750%, 10/10/2025		13,588		10,211
Epic Crude Services, LP, Term Loan, 1st Lien
5.180%, VAR LIBOR + 5.000%, 03/02/2026		2,953		2,266

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Epic Y-Grade Services, 1st Lien
7.000%, 06/30/2027 (H)	$	9,307	$	7,871
eResearchTechnology, Inc., Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.500%, 02/04/2027		4,017		4,016
First Student Bidco Inc., Initial Term B Loan, 1st Lien
3.500%, VAR LIBOR + 3.000%, 07/21/2028		427		422
First Student Bidco Inc., Initial Term C Loan, 1st Lien
3.500%, VAR LIBOR + 3.000%, 07/21/2028		158		156
Flexential Intermediate Corporation, Initial Term Loan Retired 12/02/2021, 1st Lien
5.750%, VAR Prime Rate by Country + 2.500%, 08/01/2024		8,564		8,436
Foresight Energy Operating LLC, Tranche A Term Loan, 1st Lien
9.500%, VAR LIBOR + 8.000%, 06/30/2027 (D)		419		419
Freeport LNG Investments LLLP, Term Loan B, 1st Lien
0.000%, 12/21/2028 (H)		2,672		2,644
Gates Global, Term Loan, 1st Lien
3.250%, 03/31/2027 (G)		698		692
Geon Performance Solutions, LLC, Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.750%, 08/18/2028		800		807
Global Medical Response, Inc., 2018 New Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.250%, 03/14/2025		1,114		1,105
Grab Holdings, Inc., Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.500%, 01/29/2026		6,316		6,363
Graham Packaging Company Inc., Initial Term Loan (2021), 1st Lien
3.750%, VAR LIBOR + 3.000%, 08/04/2027		540		536
Greeneden U.S. Holdings I, LLC, Initial Dollar Term Loan (2020), 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/01/2027		505		504
Gulf Finance, LLC, Tranche B Term Loan, 1st Lien
7.750%, VAR LIBOR + 6.750%, 08/25/2023		3,633		3,459

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

163

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Hercules Achievement, Inc. (Varsity Brands Holding Co., Inc.), Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 12/16/2024	$	478	$	469
Hoffmaster Group Inc, Tranche B-1 Term Loan, 1st Lien
5.000%, 11/21/2023 (G)		927		847
iHeartCommunications, Inc. (fka Clear Channel Communications, Inc.), New Term Loan, 1st Lien
3.090%, VAR LIBOR + 3.000%, 05/01/2026		643		635
IRB Holding Corp., Fourth Amendment Incremental Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.250%, 12/15/2027		399		397
Ivanti Software, Inc., First Amendment Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/01/2027		530		525
Ivanti Software, Inc., Initial Term Loan, 1st Lien
5.750%, VAR LIBOR + 4.750%, 12/01/2027		2,682		2,660
JC Penney, 1st Lien
5.250%, VAR LIBOR + 4.250%, 06/23/2023 (B)(D)		3,751		19
Journey Personal Care, 1st Lien
5.000%, 03/01/2028 (G)		3,761		3,735
Jump Financial, LLC, Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 08/07/2028		4,241		4,188
Knight Energy Services
8.500%, 02/09/2024 (D)(G)		82		—
KNS Acquisition Corp., Initial Term Loan, 1st Lien
7.000%, VAR LIBOR + 6.250%, 04/21/2027		3,880		3,851
LABL, Inc., Initial Dollar Term Loan, 1st Lien
5.500%, VAR LIBOR + 5.000%, 10/29/2028		493		490
Lifescan Global Corporation, Initial Term Loan, 2nd Lien
6.130%, 10/01/2024 (G)		9,945		9,727
LSF11 A5 Holdco LLC, Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.750%, 10/15/2028 (H)		1,700		1,689
Madison IAQ LLC, Initial Term Loan, 1st Lien
3.750%, VAR LIBOR + 3.250%, 06/21/2028 (H)		443		439

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Magnite, Inc., Initial Term Loan, 1st Lien
5.750%, VAR LIBOR + 5.000%, 04/28/2028	$	1,153	$	1,146
Mashantucket (Western) Pequot Tribe, Term B Loan, 1st Lien
8.375%, VAR Euribor + 3.250%, 02/16/2022		9,632		9,283
Mauser Packaging Solutions Holding Company, Initial Term Loan, 1st Lien
3.337%, VAR LIBOR + 3.250%, 04/03/2024 (H)		2,039		1,997
Mavenir Systems, Inc., Initial Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.750%, 08/18/2028		1,885		1,881
MED ParentCo, LP, Initial Term Loan, 1st Lien
4.340%, VAR LIBOR + 4.250%, 08/31/2026		1,116		1,110
Medline Borrower, LP, Initial Dollar Term Loan, 1st Lien
3.750%, VAR LIBOR + 3.250%, 10/23/2028 (D)(H)		2,005		1,998
Meredith Corporation, Tranche B-3 Term Loan, 1st Lien
5.250%, VAR LIBOR + 4.250%, 01/31/2025		489		498
MH Sub I, LLC (Micro Holding Corp.), 2020 June New Term Loan, 1st Lien
4.750%, VAR LIBOR + 3.750%, 09/13/2024		1,083		1,078
Mileage Plus Holdings LLC (Mileage Plus Intellectual Property Assets, Ltd.), Initial Term Loan, 1st Lien
6.250%, VAR LIBOR + 5.250%, 06/21/2027		1,460		1,521
Misys Limited, Dollar Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 06/13/2024		614		608
MLN US HoldCo LLC, Term B Loan, 1st Lien
4.586%, VAR LIBOR + 4.500%, 11/30/2025		1,165		1,115
Monitronics International Inc., Term Loan, 1st Lien
7.750%, 03/29/2024		384		357
Mountaineer Merger Corp, Term Loan, 1st Lien
7.750%, 10/22/2028		2,545		2,469
MultiPlan, Term Loan, 1st Lien
4.750%, 09/01/2028		1,381		1,314

164

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Navitas Midstream Midland Basin, LLC, Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 12/13/2024	$	1,905	$	1,898
Nexus Buyer LLC, Initial Term Loan, 2nd Lien
6.750%, VAR LIBOR + 6.250%, 11/05/2029		1,140		1,138
Nine West Holdings Inc., Term Loan
8.132%, 03/19/2024 (G)		677		530
8.125%, 03/19/2024 (H)		1,211		947
Nouryon Finance B.V., Initial Dollar Term Loan, 1st Lien
3.092%, VAR LIBOR + 3.000%, 10/01/2025		780		769
Olympus Water US Holding Corporation, Initial Dollar Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.750%, 11/09/2028 (H)		273		270
Optiv Inc., Initial Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.250%, 02/01/2024		2,745		2,710
Osmosis Buyer Limited, Initial Term B Loan, 1st Lien
4.500%, VAR LIBOR + 4.000%, 07/31/2028		3,167		3,162
Osmosis Buyer Limited, Term Loan, 1st Lien
0.000%, 07/31/2028 (H)		396		395
Pactiv Evergreen Inc., Tranche B-3 U.S. Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 09/24/2028		195		194
Padagis LLC, Term B Loan, 1st Lien
5.250%, VAR LIBOR + 4.750%, 07/06/2028		1,279		1,276
Park River Holdings, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.250%, 12/28/2027		231		229
Penney Borrower LLC, Initial Loan, 1st Lien
10.750%, VAR LIBOR + 8.500%, 12/07/2026		2,677		2,656
Petco Health and Wellness Company, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.250%, 03/03/2028		642		637
PetSmart LLC, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.750%, 02/11/2028		2,806		2,791
Phoenix Newco, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 11/15/2028		442		440

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Plantronics, Inc., Initial Term B Loan, 1st Lien
2.591%, VAR LIBOR + 2.500%, 07/02/2025	$	362	$	352
Polymer Additives, Inc., 1st Lien
6.129%, 07/31/2025 (G)		7,801		7,548
Revlon Consumer Products Corporation, 2016 Term Loan, 1st Lien
4.250%, VAR LIBOR + 3.500%, 09/07/2023 (B)(D)(H)		7,980		4,688
S&S Holdings LLC, Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 5.000%, 03/11/2028		1,646		1,640
Sabre GLBL Inc., 2021 Other Term B-1 Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 12/17/2027 (H)		125		123
Sabre GLBL Inc., 2021 Other Term B-2 Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 12/17/2027		199		196
Serta Simmons Bedding, LLC, Initial Exchange Term Loan (Super-Priority)
8.500%, 08/10/2023 (G)		132		123
Serta Simmons Bedding, LLC, Initial Exchange Term Loan (Super-Priority), 1st Lien
8.500%, VAR LIBOR + 7.500%, 08/10/2023		553		516
Shutterfly, LLC, 2021 Refinancing Term B Loan, 1st Lien
5.750%, VAR LIBOR + 5.000%, 09/25/2026		330		319
SIJ LLC, 1st Lien
10.000%, 07/15/2026 (D)(G)		2,092		2,066
Skillsoft Finance II, Inc., Initial Term Loan, 1st Lien
5.500%, VAR LIBOR + 4.750%, 07/14/2028		329		329
Sotera Health Holdings, LLC, 1st Lien
3.250%, 12/11/2026 (G)		2,936		2,918
SP PF Buyer LLC, Closing Date Term Loan, 1st Lien
4.590%, VAR LIBOR + 4.500%, 12/22/2025		2,759		2,667
Spirit Aerosystems, Inc. (fka Mid-Western Aircraft Systems, Inc and Onex Wind Finance LP.), Initial Term Loan, 1st Lien
6.000%, VAR LIBOR + 5.250%, 01/15/2025		222		221

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

165

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Staples, Inc., 2019 Refinancing New Term B-1 Loan, 1st Lien
5.132%, VAR LIBOR + 5.000%, 04/16/2026	$	6,334	$	6,069
Steinway Musical Instruments, Term Loan B, 1st Lien
4.750%, VAR LIBOR + 3.750%, 02/14/2025		369		364
Summer (BC) Bidco B LLC, Additional Facility B2 (USD), 1st Lien
5.250%, VAR LIBOR + 4.500%, 12/04/2026		159		158
Sunshine Luxembourg VII S.a r.l., Facility B3, 1st Lien
4.500%, VAR LIBOR + 3.750%, 10/01/2026		1,528		1,522
SWF Holdings I Corp., Initial Term Loan, 1st Lien
4.750%, VAR LIBOR + 4.000%, 10/06/2028 (H)		2,610		2,571
Syniverse Holdings, Inc., Initial Term Loan, 2nd Lien
10.000%, VAR LIBOR + 9.000%, 03/11/2024		1,998		1,994
Syniverse Holdings, Inc., Tranche C Term Loan , 1st Lien
6.000%, VAR LIBOR + 5.000%, 03/09/2023		12,112		12,066
Team Health Holdings, Inc., Initial Term Loan, 1st Lien
3.750%, VAR LIBOR + 2.750%, 02/06/2024		7,265		6,873
Tecta America Corp., Term Loan, 1st Lien
5.000%, VAR LIBOR + 4.250%, 04/10/2028		1,519		1,515
Thryv, Inc., Term Loan
9.500%, 03/01/2026 (G)		695		704
Thryv, Inc., Term Loan, 1st Lien
9.500%, 03/01/2026 (G)		1,162		1,177
Titan Acquisition Limited, Initial Term Loan, 1st Lien
3.167%, VAR LIBOR + 3.000%, 03/28/2025		1,935		1,885
TK Elevator Midco GmbH, Facility B1 (USD), 1st Lien
4.000%, VAR LIBOR + 3.500%, 07/30/2027		427		425
Tortoise Borrower LLC, Initial Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 01/31/2025		1,844		1,370
TransUnion, Term Loan, 2nd Lien
0.000%, 11/17/2029 (H)		1,365		1,362

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Travelport Finance (Luxembourg) S.a r.l., Initial Term Loan (Priority), 1st Lien
2.500%, VAR LIBOR + 1.500%, 02/28/2025 (H)	$	783	$	801
Travelport Finance (Luxembourg) S.a r.l., Initial Term Loan, 1st Lien
5.132%, VAR LIBOR + 5.000%, 05/29/2026 (H)		1,747		1,473
Traverse Midstream Partners LLC, Advance, 1st Lien
4.280%, VAR SOFR + 4.250%, 09/27/2024 (H)		889		881
Triton Water Holdings, Inc., Initial Term Loan, 1st Lien
4.000%, VAR LIBOR + 3.500%, 03/31/2028		2,413		2,400
Tutor Perini, Term Loan B, 1st Lien
5.750%, 08/18/2027 (G)		3,689		3,678
U.S. Renal Care, Inc., Initial Term Loan, 1st Lien
5.090%, VAR LIBOR + 5.000%, 06/26/2026		731		709
Ultimate Software, Term Loan, 2nd Lien
0.000%, 05/03/2027 (H)		913		915
VeriFone Systems, Inc., Initial Term Loan, 1st Lien
4.178%, VAR LIBOR + 4.000%, 08/20/2025		2,701		2,634
Vertiv Group Corporation, Term Loan, 1st Lien
2.838%, 03/02/2027 (G)		227		224
Whatabrands LLC, Initial Term B Loan, 1st Lien
3.750%, VAR LIBOR + 3.250%, 08/03/2028		1,809		1,797
White Cap Buyer, LLC, Initial Closing Date Term Loan, 1st Lien
4.500%, VAR LIBOR + 4.000%, 10/19/2027		790		786
Wilsonart LLC, Tranche E Term Loan, 1st Lien
4.500%, VAR LIBOR + 3.500%, 12/31/2026		2,993		2,978
Wok Holdings Inc., Initial Term Loan, 1st Lien
6.340%, VAR LIBOR + 6.250%, 03/01/2026		1,136		1,122

166

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
LOAN PARTICIPATIONS (continued)
Woodford Express LLC, Term Loan B, 1st Lien
6.000%, VAR LIBOR + 5.000%, 01/27/2025	$	3,827	$	3,759
Total Loan Participations
(Cost $310,094) ($ Thousands)				310,840
ASSET-BACKED SECURITIES — 9.3%
Other Asset-Backed Securities — 9.3%
Airplanes Pass-Through Trust, Ser 2001-1A, Cl A9
0.735%, VAR ICE LIBOR USD 1 Month + 0.550%, 03/15/2019 (A)(B)(D)(I)		835		29
Ares XXXIV CLO, Ser 2020-2A, Cl FR
8.722%, VAR ICE LIBOR USD 3 Month + 8.600%, 04/17/2033 (A)(D)		2,304		2,120
B&M CLO, Ser 2014-1A, Cl E
5.872%, VAR ICE LIBOR USD 3 Month + 5.750%, 04/16/2026 (A)(D)		2,587		1,850
Battalion CLO VII, Ser 2014-7A, Cl SUB
0.000%, 07/17/2028(A)(D)(J)		4,614		738
Battalion CLO VIII, Ser 2015-8A, Cl SUB
0.000%, 07/18/2030(A)(D)(F)(J)		4,378		2,889
Battalion CLO X, Ser 2016-10A, Cl SUB
0.000%, 01/25/2035(A)(D)(J)		6,380		5,886
Battalion CLO XI, Ser 2017-11A, Cl SUB
0.000%, 04/24/2034(A)(D)(J)		10,431		8,553
Battalion CLO XII, Ser 2018-12A, Cl SUB
0.000%, 05/17/2031(A)(D)(J)		8,633		6,410
Battalion CLO XIV, Ser 2019-14A
0.000%, 04/20/2032(D)(J)		6,147		4,795
Battalion CLO XVI, Ser 2019-16A, Cl SUB
0.000%, 12/19/2032(A)(D)(J)		3,572		3,179
Battalion CLO XX, Ser 2021-20A, Cl SUB
0.000%, 07/15/2034(D)(J)		8,543		7,881
Benefit Street Partners CLO III, Ser 2013-IIIA, Cl SUB
0.000%, 07/20/2029(A)(D)(F)(J)		2,640		766
Benefit Street Partners CLO IV
0.000%, 07/20/2026(A)(D)(J)		7		3,328
Benefit Street Partners CLO IX
0.000%, 07/20/2025(A)(D)(J)		3,363		2,228
Benefit Street Partners CLO V
0.000%, 10/20/2026(A)(D)(J)		6,413		–
Benefit Street Partners CLO V, Ser 2018-5BA
0.000%, 04/20/2031(D)(J)		10,301		5,501
Benefit Street Partners CLO VI, Ser 2015-VIA, Cl SUB
0.000%, 10/18/2029(A)(D)(J)		9,535		5,442

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Benefit Street Partners CLO VII, Ser 2015-VIII, Cl SUB
0.000%, 07/18/2027(D)(J)	$	9,035	$	136
Benefit Street Partners CLO VIII
0.000%, 01/20/2031(A)(D)(F)(J)		9,000		4,770
Benefit Street Partners CLO X, Ser 2016-10A, Cl SUB
0.000%, 04/20/2034(A)(D)(J)		10,939		6,454
Benefit Street Partners CLO XII, Ser 2017-12A, Cl SUB
0.000%, 10/15/2030(A)(D)(J)		10,091		5,449
Benefit Street Partners CLO XIV, Ser 2018-14A, Cl SUB
0.000%, 04/20/2031(A)(D)(J)		6,857		4,728
Benefit Street Partners CLO XVIII, Ser 2019-18A, Cl SUB
0.000%, 10/15/2034(A)(D)(J)		6,048		4,808
Benefit Street Partners CLO XX, Ser 2020-20A, Cl SUB
0.000%, 07/15/2034(A)(D)(J)		3,469		3,434
Benefit Street Partners CLO XXIII, Ser 2021-23A, Cl SUB
0.000%, 04/25/2034(D)(J)		7,870		6,437
Cathedral Lake CLO III, Ser 2015-3A, Cl SUB
0.000%, 01/15/2026(A)(D)(J)		3,653		1,680
Cathedral Lake V, Ser 2018-5A, Cl SUB					��
0.000%, 10/21/2030(A)(D)(J)		5,673		2,723
CVP Cascade CLO, Ser 2014-2A, Cl D
4.922%, VAR ICE LIBOR USD 3 Month + 4.800%, 07/18/2026 (A)(B)(D)		2,370		1,979
CVP Cascade CLO, Ser 2014-2A, Cl E
5.922%, VAR ICE LIBOR USD 3 Month + 5.800%, 07/18/2026 (A)(B)(D)		2,830		354
Great Lakes CLO, Ser 2015-1A, Cl SUB
0.000%, 01/16/2030(A)(D)(J)		6,015		3,669
Great Lakes CLO, Ser 2017-1A, Cl ER
7.624%, VAR ICE LIBOR USD 3 Month + 7.500%, 10/15/2029 (A)(D)		3,376		3,305
Great Lakes CLO, Ser 2018-1A, Cl ER
7.482%, VAR ICE LIBOR USD 3 Month + 7.360%, 01/16/2030 (A)(D)		4,328		4,160
Great Lakes CLO, Ser 2018-1A, Cl FR
10.122%, VAR ICE LIBOR USD 3 Month + 10.000%, 01/16/2030 (A)(B)(D)		1,595		1,470
IVY Hill Middle Market Credit Fund XII, Ser 2017-12A, Cl SUB
0.000%, 07/20/2029(A)(D)(J)		1,149		1,086
IVY Hill Middle Market Credit Fund XIV, Ser 2018-14A, Cl D
7.192%, VAR ICE LIBOR USD 3 Month + 7.070%, 04/18/2030 (A)(D)		2,886		2,783

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

167

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
IVY Hill Middle Market Credit Fund XIV, Ser 2018-14A, Cl SUB
0.000%, 04/18/2030(A)(D)(J)	$	2,164	$	1,363
LCM Ltd
0.000%, 01/20/2032(D)(J)		1,998		1,662
Lockwood Grove CLO, Ser 2014-1A, Cl SUB
0.000%, 01/25/2030(A)(D)(J)		4,865		3,454
Lockwood Grove CLO, Ser 2018-1A, Cl ERR
5.974%, VAR ICE LIBOR USD 3 Month + 5.850%, 01/25/2030 (A)(D)		3,201		3,121
Neuberger Berman CLO XXII, Ser 2016-22A, Cl SUB
0.000%, 10/17/2030(A)(D)(J)		5,235		3,089
Neuberger Berman Loan Advisers CLO 36, Ser 2020-36A, Cl INC
0.000%, 04/20/2033(A)(D)(J)		1,780		1,381
Neuberger Berman Loan Advisers CLO 36, Ser 2020-36A, Cl SPIN
0.114%, 04/20/2033 (A)(D)(G)		23		18
Neuberger Berman Loan Advisers CLO 38
0.000%, 10/20/2032(D)(J)		5,458		4,744
Neuberger Berman Loan Advisers CLO 39
0.000%, 10/20/2032(D)(F)(J)		5,795		4,970
Neuberger Berman Loan Advisers CLO 41
0.000%, 10/20/2032(D)(J)		4,711		3,651
NewStar Berkeley Fund CLO LLC, Ser 2016-1A, Cl E
7.874%, VAR ICE LIBOR USD 3 Month + 7.750%, 10/25/2028 (A)(D)		15,428		15,437
NewStar Berkeley Fund CLO LLC, Ser 2016-1A, Cl SUB
0.000%, 10/25/2028(A)(D)(F)(J)		21,812		9,379
NewStar Clarendon Fund CLO LLC, Ser 2015-1A, Cl E
6.174%, VAR ICE LIBOR USD 3 Month + 6.050%, 01/25/2027 (A)(D)(F)		3,057		3,015
NewStar Exeter Fund CLO, Ser 2015-1RA, Cl E
7.332%, VAR ICE LIBOR USD 3 Month + 7.200%, 01/20/2027 (A)(D)		5,110		4,847
NewStar Fairfield Fund CLO, Ser 2015-2A, Cl SUB
0.000%, 04/20/2030(A)(D)(J)		9,028		4,785
NewStar Fairfield Fund CLO, Ser 2018-2A, Cl DN
7.512%, VAR ICE LIBOR USD 3 Month + 7.380%, 04/20/2030 (A)(D)		4,200		3,864
OCP CLO, Ser 2017-14A, Cl SUB			��
0.000%, 11/20/2030(A)(D)(J)		3,012		1,988
OCP CLO, Ser 2020-19A, Cl SUB
0.000%, 10/20/2034(A)(D)(J)		1,876		2,010
OCP CLO, Ser 2021-21A, Cl SUB
0.000%, 07/20/2034(D)(J)		7,945		6,781

Description	Face Amount (Thousands)		Market Value ($ Thousands)
ASSET-BACKED SECURITIES (continued)
Shackleton CLO, Ser 2014-6RA
0.000%, 07/17/2028(D)(J)	$	6,412	$	2,821
Shackleton CLO, Ser 2019-14A, Cl SUB
0.000%, 07/20/2034(A)(D)(J)		3,251		2,373
TCP Whitney CLO, Ser 2017-1I, Cl SUB
0.000%, 08/20/2029(D)(J)		13,119		10,758
TCW CLO, Ser 2017-1A, Cl SUB
0.000%, 10/29/2034(A)(D)(J)		7,377		5,238
TCW CLO, Ser 2018-1A, Cl SUB
0.000%, 04/25/2031(A)(D)(J)		5,509		3,448
TCW CLO, Ser 2019-2A, Cl SUB
0.000%, 10/20/2032(A)(D)(J)		5,959		4,410
TCW CLO, Warehouse Note, Ser 2020-1
0.000%, (D)(O)		8,523		6,137
Venture 35 CLO, Ser 2018-35A, Cl SUB
0.000%, 10/22/2031(A)(D)(J)		15,819		7,593
Venture XXV CLO, Ser 2016-25A, Cl SUB
0.000%, 04/20/2029(A)(D)(J)		2,950		1,372
Venture XXVI CLO, Ser 2017-26A, Cl SUB
0.000%, 01/20/2029(A)(D)(J)		2,865		1,175
Venture XXVIII CLO, Ser 2017-28A, Cl SUB
0.000%, 07/20/2030(A)(D)(J)		5,750		3,163
VOYA CLO, Ser 2020-2A
0.000%, 07/20/2031(D)(J)		7,797		7,587
				256,654
Total Asset-Backed Securities
(Cost $167,411) ($ Thousands)				256,654
	Shares
COMMON STOCK — 2.1%
21st Century Oncology *(D)(F)		22,017		222
Aquity Equity *(D)		89,545		1,007
Aquity Equity (Escrow Security) *(D)		69,580		9
Arctic Canadian Diamond Co *(D)		1,633		—
Aspect Software CR1 Inc *(D)		40,500		—
Aspect Software CR2 Inc *(D)		16,397		—
Battalion Oil Corp *		645		7
Berry Corp		445,831		3,629
Cenveo Corp *(D)		146,717		1,027
CHC Group LLC *		1,444		—
Chesapeake Energy Corp		1,738		104
Civitas Resources Inc		63,175		3,229
Claire's Stores Inc *(D)(F)		858		289
Clear Channel Outdoor Holdings Inc, Cl A *		345,144		1,060
EP Energy Corp *		25,685		2,235
Foresight *(D)		60,593		818
Frontier Communications Parent Inc *		24,698		825
FTS International Inc, Cl A *		76,705		2,020
Guitar Center *(D)(F)		24,502		4,256
Gulfport Energy Corp *		14,736		1,076
Gymboree Corp *(D)		18,542		5

168

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Shares		Market Value ($ Thousands)
COMMON STOCK (continued)
Gymboree Holding Corp *(D)		52,848	$	13
Hexion Holdings Corp, Cl B *		172,879		4,625
iHeartMedia Inc, Cl A *(N)		63,646		1,248
Knight Energy Services LLC *(D)(K)		2,205		—
Magnachip Semiconductor Corp *		38,119		689
Medical Card Systems Inc *(D)(F)		395,653		2,289
Monitronics International Inc *(D)(F)		381,412		4,117
MYT Holding LLC *(D)(F)		461,765		2,397
Neiman Marcus Group *(D)		10,950		1,643
Nine West *(D)		163,718		95
Noble Corp *		24,510		558
Oasis Petroleum Inc		15,087		1,809
Parker Drilling *(D)		5,140		23
Parker Drilling Co *(D)		138,594		624
Penney Borrower LLC *		31,845		382
Propco Certificates *(D)		238,837		5,374
Reichhold Industries *(D)(F)		1,755		3,185
Rue 21 *		2,551		1,084
SandRidge Energy Inc *		11,510		122
Titan Energy LLC *(D)		22,243		—
Valaris *		10,890		338
Valaris Ltd *		29,888		928
VICI Properties Inc ‡		104,293		2,837
Whiting Petroleum Corp *		8,379		542
Windstream Services *		46,229		797
Total Common Stock
(Cost $47,792) ($ Thousands)				57,537
PREFERRED STOCK — 0.7%
BoardRiders, 0.000% *(D)(F)		336,591		411
Claire's Stores Inc, 0.000% *(D)(F)		610		1,571
Crestwood Equity Partners, 9.250% (C)(L)		224,639		2,107
FHLMC, 0.000% *(C)		29,819		117
FNMA, 0.000% *(C)		43,993		177
Guitar Center Inc, 0.000% *(D)(F)		782		76
Gulfport Energy, 0.000% *(D)		41		216
Ladenburg Thalmann Financial Services, 6.500% *		99,647		1,769
MPLX, 8.462% *(C)(D)(F)		41,696		1,460
MYT Holding LLC, 0.000% *		516,164		550
ViacomCBS, 5.750% *		20,807		1,075
Wind River, 0.000% (D)		11,611,000		9,869
Total Preferred Stock
(Cost $18,418) ($ Thousands)				19,398

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CONVERTIBLE BONDS — 0.5%
Air Canada CV to 65.1337
4.000% , 07/01/2025	$	400	$	518
DISH Network CV to 15.3429
3.375% , 08/15/2026		804		741
Golar LNG CV to 26.9925
2.750% , 02/15/2022		885		883
Liberty Media CV to 16.7764
3.750% , 02/15/2030		3,728		2,852
Liberty Media CV to 22.9469
4.000% , 11/15/2029		2,170		1,649
MGIC Investment CV to 74.0741
9.000% , 04/01/2063(A)		4,794		6,400
Pebblebrook Hotel Trust CV to 39.2549
1.750% , 12/15/2026		1,275		1,350
Twitter CV to 7.6905
0.894% , 03/15/2026(A)(M)		1,394		1,239
Total Convertible Bonds
(Cost $14,972) ($ Thousands)				15,632
		Number of Warrants
WARRANTS — 0.1%
Carestream
Strike Price $0.00 *‡‡(D)		84		–
Chesapeake Energy Corp, Expires 02/12/2026
Strike Price $27.63 *		3,138		109
Chesapeake Energy Corp, Expires 02/12/2026
Strike Price $32.13 *		3,486		106
Chesapeake Energy Corp, Expires 02/12/2026
Strike Price $36.18 *		3,281		90
Guitar Center Tranche I, Expires 12/22/2070
Strike Price $100.00 *(D)(F)		5,960		488
Guitar Center Tranche II, Expires 12/22/2070
Strike Price $160.00 *(D)(F)		6,486		318
Guitar Center Tranche III, Expires 12/22/2070
Strike Price $100.00 *(D)(F)		526		26
Neiman Marcus Group, Expires 09/24/2027
Strike Price $213.16 *(D)(F)		6,679		130
Noble Corp, Expires 02/05/2028
Strike Price $0.01 *		36,606		339
SandRidge Energy Inc, Expires 10/07/2022
Strike Price $41.34 *		9,764		–
SandRidge Energy Inc, Expires 10/07/2022
Strike Price $42.03 *		4,110		–

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

169

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

High Yield Bond Fund (Concluded)

Description		Number of Warrants	Market Value ($ Thousands)
WARRANTS (continued)
Windstream Services
Strike Price $0.00 *‡‡		50,968	$	1,019
Total Warrants
(Cost $1,295) ($ Thousands)				2,625
	Shares
CASH EQUIVALENT — 3.2%
SEI Daily Income Trust, Government Fund, Cl F
0.010%**†		87,761,510		87,762
Total Cash Equivalent
(Cost $87,762) ($ Thousands)				87,762
Total Investments in Securities — 99.3%
(Cost $2,655,135) ($ Thousands)			$	2,748,270

	Percentages are based on Net Assets of $2,766,443 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).
‡	Real Estate Investment Trust.
‡‡	Expiration date not available.
(A)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration normally to qualified institutions. On November 30, 2021, the value of these securities amounted to $1,763,075 ($ Thousands), representing 63.7% of the Net Assets of the Fund.
(B)	Security is in default on interest payment.
(C)	Perpetual security with no stated maturity date.
(D)	Level 3 security in accordance with fair value hierarchy.
(E)	Securities considered restricted. The total market value of such securities as of November 30, 2021 was $— ($ Thousands) and represented 0.0% of the Net Assets of the Fund.
(F)	Security fair valued using methods determined in good faith by the Valuation Committee of the Board of Trustees. The total market value of such securities as of November 30, 2021 was $52,264 ($ Thousands) and represented 1.9% of the Net Assets of the Fund.
(G)	Variable or floating rate security, the interest rate of which adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets.
(H)	Unsettled bank loan. Interest rate may not be available.
(I)	Security, or a portion thereof, is owned through a holding entity, 717 AEP Leasing, LLC.
(J)	No interest rate available.
(K)	Security, or a portion thereof, is owned through a holding entity, Knights Energy Topco, LLC.
(L)	Security is a Master Limited Partnership. At November 30, 2021, such securities amounted to $2,107 ($ Thousands), or 0.1% of the Net Assets of the Fund (See Note 2).
(M)	Zero coupon security. The rate shown on the Schedule of Investments is the security's effective yield at the time of purchase.
(N)	Security, or a portion thereof, is owned through a holding entity, Bamboo Temple, LLC.
(O)	Warehouse Note - Interest rate and maturity date are unavailable.

Cl — Class

CLO — Collateralized Loan Obligation

CV — Conversion Ratio

DAC — Designated Activity Company

FHLMC — Federal Home Loan Mortgage Corporation

FNMA — Federal National Mortgage Association

ICE— Intercontinental Exchange

LIBOR— London Interbank Offered Rate

LLC — Limited Liability Company

LLLP — Limited Liability Limited Partnership

L.P. — Limited Partnership

Ltd. — Limited

MTN — Medium Term Note

PIK — Payment-in-Kind

PLC — Public Limited Company

REIT — Real Estate investment Trust

Ser — Series

SOFR — Secured Overnight Finance Rate

ULC — Unlimited Liability Company

USD — U.S. Dollar

VAR — Variable Rate

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund's investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)(1)		Total ($)
Corporate Obligations		–		1,996,650		1,172		1,997,822
Loan Participations		–		285,336		25,504		310,840
Asset-Backed Securities		–		–		256,654		256,654
Common Stock		22,698		7,446		27,393		57,537
Preferred Stock		2,834		2,961		13,603		19,398
Convertible Bonds		–		15,632		–		15,632
Warrants		91		1,573		961		2,625
Cash Equivalent		87,762		–		–		87,762
Total Investments in Securities		113,385		2,309,598		325,287		2,748,270

170

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

The following table depicts purchases and transfers in and/or out of Level 3 investments during the period for investments held as of November 30, 2021 ($ Thousands).

	Investments in Corporate Obligations			Investments in Loan Participations			Investments in Asset-Backed Securities			Investments in Common Stock			Investments in Preferred Stock			Investments in Warrants
Balance as of May 31, 2021	$	5,245		$	38,894		$	302,772		$	21,934		$	3,344		$	1,578
Accrued discounts/premiums		(125	)		8			(74	)		—			—			—
Realized gain/(loss)		19			15			5,896			17			6			—
Change in unrealized appreciation/(depreciation)		285			849			8,200			3,762			9,442			128
Purchases		60			4,213			10,321			—			—			—
Sales		(75	)		(5,205	)		(70,461	)		(17	)		(7	)		—
Net transfer into Level 3		—			3,441			—			2,034			818			—
Net transfer out of Level 3		(4,237	)		(16,711	)		—			(337	)		—			(745	)
Ending Balance as of November 30, 2021	$	1,172		$	25,504		$	256,654		$	27,393		$	13,603		$	961
Changes in unrealized gains/(losses) included in earnings related to securities still held at reporting date	$	(2,030	)	$	826		$	21,141		$	(419	)	$	487		$	129

(1) Of the $325,287 ($ Thousands) in Level 3 securities as of November 30, 2021, $52,264 ($ thousand) or 1.9% of the Net Assets of the Fund are not valued via third party pricing vendors and broker quotes. If significant, the disclosure of the unobservable inputs and the interrelationships and sensitivity between these inputs are required for those Level 3 securities that are not valued by third party pricing vendors or broker quotes. The value of these securities is immaterial and no further disclosure is required.

For the period ended November 30, 2021, there were transfers between Level 2 and Level 3 assets and liabilities. The transfers were due to changes in the availability of observable inputs used to determine fair value.

For more information on valuation inputs, see Note 2 — Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund’s transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	74,591	$	520,822	$	(507,651	)	$	—	$	—	$	87,762		87,761,510	$	4	$	—

Amounts designated as “—” are either $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

171

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund

^†Percentages based on total investments.

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS — 63.4%
Communication Services — 9.2%
Alphabet
2.250%, 08/15/2060	$	495	$	450
America Movil
6.375%, 03/01/2035		295		410
6.125%, 03/30/2040		570		808
AT&T
5.150%, 02/15/2050		1,140		1,464
4.500%, 05/15/2035		3,325		3,833
3.800%, 12/01/2057		9,110		9,514
3.650%, 09/15/2059		2,531		2,562
3.550%, 09/15/2055		3,765		3,785
3.500%, 09/15/2053		5,456		5,511
Bell Canada
4.464%, 04/01/2048		550		694
Charter Communications Operating LLC/ Charter Communications Operating
6.484%, 10/23/2045		2,218		3,031
6.384%, 10/23/2035		2,195		2,845
5.750%, 04/01/2048		790		995
5.375%, 05/01/2047		2,361		2,833
4.800%, 03/01/2050		1,005		1,132
3.900%, 06/01/2052		745		753
3.850%, 04/01/2061		635		607
3.700%, 04/01/2051		515		499
3.500%, 06/01/2041		245		240
Comcast
4.250%, 01/15/2033		410		479
4.049%, 11/01/2052		845		1,004
3.999%, 11/01/2049		363		421
3.969%, 11/01/2047		3,083		3,576
3.900%, 03/01/2038		1,305		1,492
2.987%, 11/01/2063 (A)		2,458		2,375
2.937%, 11/01/2056 (A)		5,898		5,732
2.887%, 11/01/2051 (A)		1,571		1,536

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Discovery Communications LLC
5.300%, 05/15/2049	$	175	$	223
5.200%, 09/20/2047		549		686
4.650%, 05/15/2050		540		640
4.000%, 09/15/2055		1,065		1,140
Fox
5.576%, 01/25/2049		370		506
5.476%, 01/25/2039		415		536
Level 3 Financing
3.875%, 11/15/2029 (A)		940		970
Rogers Communications
5.000%, 03/15/2044		767		941
4.500%, 03/15/2043		257		295
SES GLOBAL Americas Holdings GP
5.300%, 03/25/2044 (A)		1,200		1,388
Tencent Holdings MTN
3.840%, 04/22/2051 (A)		935		1,011
Time Warner Cable LLC
7.300%, 07/01/2038		450		646
6.750%, 06/15/2039		450		617
6.550%, 05/01/2037		995		1,332
5.875%, 11/15/2040		470		595
5.500%, 09/01/2041		1,185		1,452
4.500%, 09/15/2042		520		572
T-Mobile USA
4.375%, 04/15/2040		315		358
3.600%, 11/15/2060 (A)		655		652
3.300%, 02/15/2051		565		549
3.000%, 02/15/2041		1,780		1,699
Verizon Communications
4.522%, 09/15/2048		705		897
4.500%, 08/10/2033		3,230		3,811
4.400%, 11/01/2034		900		1,055
3.700%, 03/22/2061		1,578		1,743
3.550%, 03/22/2051		2,603		2,854
3.400%, 03/22/2041		5,255		5,586
2.987%, 10/30/2056		3,137		3,018
2.650%, 11/20/2040		170		162
ViacomCBS
5.850%, 09/01/2043		1,820		2,466
4.950%, 05/19/2050		578		730
4.850%, 12/15/2034		1,000		1,150
4.375%, 03/15/2043		20		23
Vodafone Group
5.250%, 05/30/2048		1,226		1,595
5.000%, 05/30/2038		275		342
4.875%, 06/19/2049		541		677
4.375%, 02/19/2043		540		633
4.250%, 09/17/2050		1,030		1,187
Walt Disney
7.625%, 11/30/2028		1		1
6.550%, 03/15/2033		1,140		1,588

172

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.600%, 01/13/2051	$	4,455	$	5,094
3.500%, 05/13/2040		525		579
2.750%, 09/01/2049		567		553
				111,133
Consumer Discretionary — 2.1%
Alimentation Couche-Tard
4.500%, 07/26/2047 (A)		875		1,059
Amazon.com
4.950%, 12/05/2044		1,864		2,560
4.050%, 08/22/2047		491		604
3.100%, 05/12/2051		2,440		2,637
2.875%, 05/12/2041		1,057		1,098
2.700%, 06/03/2060		790		769
2.500%, 06/03/2050		185		177
Aptiv PLC
5.400%, 03/15/2049		544		735
Dollar Tree
3.375%, 12/01/2051		665		671
eBay
3.650%, 05/10/2051		564		620
General Motors
6.600%, 04/01/2036		210		282
6.250%, 10/02/2043		190		259
5.950%, 04/01/2049		735		1,007
5.150%, 04/01/2038		215		259
5.000%, 04/01/2035		95		113
Home Depot
4.250%, 04/01/2046		960		1,196
4.200%, 04/01/2043		460		558
3.900%, 06/15/2047		607		726
3.350%, 04/15/2050		695		772
Lowe's
4.050%, 05/03/2047		565		663
3.700%, 04/15/2046		915		1,018
3.000%, 10/15/2050		710		714
Massachusetts Institute of Technology
5.600%, 07/01/2111		520		955
McDonald's MTN
4.600%, 05/26/2045		650		815
4.450%, 03/01/2047		1,645		2,037
3.625%, 09/01/2049		610		680
Starbucks
4.450%, 08/15/2049		305		379
3.500%, 11/15/2050		130		140
3.350%, 03/12/2050		710		749
XLIT
5.250%, 12/15/2043		587		825
				25,077

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Consumer Staples — 4.5%
Altria Group
5.950%, 02/14/2049	$	935	$	1,179
5.800%, 02/14/2039		180		217
5.375%, 01/31/2044		345		403
4.450%, 05/06/2050		300		316
4.000%, 02/04/2061		1,010		971
3.875%, 09/16/2046		980		958
3.700%, 02/04/2051		1,095		1,034
3.400%, 02/04/2041		970		898
2.450%, 02/04/2032		385		362
Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide
4.900%, 02/01/2046		5,360		6,804
4.700%, 02/01/2036		5,320		6,397
Anheuser-Busch InBev Worldwide
5.550%, 01/23/2049		1,541		2,126
4.750%, 04/15/2058		170		216
4.600%, 04/15/2048		1,065		1,304
4.500%, 06/01/2050		1,470		1,819
4.439%, 10/06/2048		1,772		2,131
4.375%, 04/15/2038		535		623
4.350%, 06/01/2040		151		177
Bacardi
5.300%, 05/15/2048 (A)		480		644
BAT Capital
5.282%, 04/02/2050		245		283
4.758%, 09/06/2049		600		645
4.540%, 08/15/2047		1,765		1,851
4.390%, 08/15/2037		2,000		2,124
3.734%, 09/25/2040		735		708
Baylor Scott & White Holdings
2.839%, 11/15/2050		40		41
Bimbo Bakeries USA
4.000%, 05/17/2051 (A)		565		628
City of Hope
4.378%, 08/15/2048		650		836
Coca-Cola
2.875%, 05/05/2041		600		625
2.500%, 03/15/2051		220		215
Constellation Brands
4.100%, 02/15/2048		565		645
Fomento Economico Mexicano
3.500%, 01/16/2050		610		654
Health Care Service, A Mutual Legal Reserve
3.200%, 06/01/2050 (A)		912		949
Hershey
3.125%, 11/15/2049		444		482
Indiana University Health Obligated Group
2.852%, 11/01/2051		350		360

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

173

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
JBS USA LUX
3.000%, 05/15/2032 (A)	$	1,347	$	1,332
Kraft Heinz Foods
5.000%, 06/04/2042		540		659
4.875%, 10/01/2049		80		100
Kroger
4.450%, 02/01/2047		1,885		2,298
3.950%, 01/15/2050		500		578
MedStar Health
3.626%, 08/15/2049		530		589
Nestle Holdings
4.000%, 09/24/2048 (A)		180		227
3.900%, 09/24/2038 (A)		815		967
PepsiCo
2.750%, 10/21/2051		690		716
2.625%, 10/21/2041		210		214
Philip Morris International
4.500%, 03/20/2042		905		1,042
4.250%, 11/10/2044		230		264
3.875%, 08/21/2042		795		870
Reynolds American
5.850%, 08/15/2045		650		789
Stanford Health Care
3.027%, 08/15/2051		380		409
University of Southern California
5.250%, 10/01/2111		1,275		2,169
Walmart
2.650%, 09/22/2051		915		946
2.500%, 09/22/2041		590		604
				54,398
Energy — 6.7%
BG Energy Capital
5.125%, 10/15/2041 (A)		205		266
BP Capital Markets America
3.379%, 02/08/2061		685		707
3.060%, 06/17/2041		885		893
3.001%, 03/17/2052		825		809
3.000%, 02/24/2050		5		5
2.939%, 06/04/2051		768		747
2.772%, 11/10/2050		1,615		1,525
Burlington Resources LLC
7.200%, 08/15/2031		20		28
Canadian Natural Resources MTN
4.950%, 06/01/2047		350		433
Chevron USA
3.078%, 05/11/2050		514		548
Columbia Pipeline Group
5.800%, 06/01/2045		430		586
Conoco Funding
7.250%, 10/15/2031		350		496

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
ConocoPhillips
5.900%, 05/15/2038	$	1,628	$	2,240
4.875%, 10/01/2047 (A)		225		299
4.850%, 08/15/2048 (A)		325		430
4.300%, 11/15/2044		1,145		1,374
Devon Energy
7.950%, 04/15/2032		10		14
5.600%, 07/15/2041		190		239
5.000%, 06/15/2045		115		139
4.750%, 05/15/2042		420		480
El Paso Natural Gas
8.375%, 06/15/2032		185		265
Energy Transfer
6.500%, 02/01/2042		70		91
6.250%, 04/15/2049		305		396
6.125%, 12/15/2045		1,443		1,810
6.000%, 06/15/2048		35		44
5.950%, 10/01/2043		1,580		1,929
5.800%, 06/15/2038		55		67
5.400%, 10/01/2047		2,720		3,238
5.350%, 05/15/2045		520		604
5.300%, 04/15/2047		695		803
5.150%, 02/01/2043		105		116
5.150%, 03/15/2045		200		228
5.000%, 05/15/2050		167		192
4.900%, 03/15/2035		1,000		1,141
Eni SpA
5.700%, 10/01/2040 (A)		340		439
Enterprise Products Operating LLC
6.650%, 10/15/2034		1,265		1,732
6.125%, 10/15/2039		385		529
5.700%, 02/15/2042		540		714
5.100%, 02/15/2045		600		750
4.950%, 10/15/2054		545		684
4.900%, 05/15/2046		1,770		2,166
4.850%, 03/15/2044		575		696
4.250%, 02/15/2048		225		255
4.200%, 01/31/2050		365		412
3.700%, 01/31/2051		140		148
3.300%, 02/15/2053		305		304
EOG Resources
4.950%, 04/15/2050		674		912
EQM Midstream Partners
6.500%, 07/15/2048		500		580
Equinor
3.950%, 05/15/2043		650		759
3.625%, 04/06/2040		2,025		2,270
Exxon Mobil
4.227%, 03/19/2040		335		399
3.452%, 04/15/2051		4,064		4,439
Hess
5.800%, 04/01/2047		150		197

174

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.600%, 02/15/2041	$	440	$	542
Kinder Morgan
5.550%, 06/01/2045		650		823
5.300%, 12/01/2034		3,131		3,788
5.050%, 02/15/2046		50		60
Kinder Morgan Energy Partners
6.375%, 03/01/2041		636		853
5.000%, 08/15/2042		700		817
Lundin Energy Finance BV
3.100%, 07/15/2031 (A)		345		349
Marathon Petroleum
6.500%, 03/01/2041		193		267
4.750%, 09/15/2044		80		94
Motiva Enterprises
6.850%, 01/15/2040 (A)		995		1,247
MPLX
5.500%, 02/15/2049		120		152
4.500%, 04/15/2038		575		638
Northern Natural Gas
4.300%, 01/15/2049 (A)		275		325
Occidental Petroleum
6.574%, 10/10/2036 (B)		3,581		1,943
4.300%, 08/15/2039		536		523
Petroleos Mexicanos
6.950%, 01/28/2060		382		314
6.350%, 02/12/2048		745		589
Petroleos Mexicanos MTN
6.750%, 09/21/2047		670		550
Phillips 66
5.875%, 05/01/2042		490		669
4.875%, 11/15/2044		960		1,190
Phillips 66 Partners
4.900%, 10/01/2046		1,344		1,652
Plains All American Pipeline/PAA Finance
4.900%, 02/15/2045		800		887
Rockies Express Pipeline LLC
6.875%, 04/15/2040 (A)		1,135		1,266
Sabal Trail Transmission LLC
4.832%, 05/01/2048 (A)		660		818
4.682%, 05/01/2038 (A)		435		526
Shell International Finance BV
6.375%, 12/15/2038		1,577		2,321
5.500%, 03/25/2040		435		597
4.550%, 08/12/2043		635		794
4.375%, 05/11/2045		1,365		1,684
3.750%, 09/12/2046		220		250
3.000%, 11/26/2051		95		97
Suncor Energy
6.800%, 05/15/2038		520		734
3.750%, 03/04/2051		370		402
Texas Eastern Transmission
7.000%, 07/15/2032		690		942

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.150%, 01/15/2048 (A)	$	675	$	781
TotalEnergies Capital International
3.386%, 06/29/2060		65		70
3.127%, 05/29/2050		1,665		1,720
TransCanada PipeLines
7.250%, 08/15/2038		1,070		1,590
4.875%, 05/15/2048		195		248
4.750%, 05/15/2038		455		542
4.625%, 03/01/2034		1,165		1,369
Transcontinental Gas Pipe Line LLC
5.400%, 08/15/2041		1,055		1,358
4.600%, 03/15/2048		536		654
4.450%, 08/01/2042		670		785
Valero Energy
10.500%, 03/15/2039		867		1,533
Williams
7.500%, 01/15/2031		370		504
2.600%, 03/15/2031		455		452
				81,876
Financials — 11.3%
AIG SunAmerica Global Financing X
6.900%, 03/15/2032 (A)		1,937		2,709
American International Group
4.800%, 07/10/2045		70		91
4.750%, 04/01/2048		200		262
4.700%, 07/10/2035		40		48
4.500%, 07/16/2044		1,980		2,424
4.375%, 06/30/2050		470		593
4.375%, 01/15/2055		65		82
3.875%, 01/15/2035		60		67
Arthur J Gallagher
3.500%, 05/20/2051		835		899
3.050%, 03/09/2052		75		74
ASB Bank
2.375%, 10/22/2031 (A)		615		614
Bank of America
6.110%, 01/29/2037		660		891
6.000%, 10/15/2036		2,690		3,688
3.311%, VAR United States Secured Overnight Financing Rate + 1.580%, 04/22/2042		1,950		2,069
2.972%, VAR United States Secured Overnight Financing Rate + 1.560%, 07/21/2052		1,300		1,323
2.572%, VAR United States Secured Overnight Financing Rate + 1.210%, 10/20/2032		710		713
Bank of America MTN
5.875%, 02/07/2042		2,445		3,482
4.330%, VAR ICE LIBOR USD 3 Month + 1.520%, 03/15/2050		1,240		1,550

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

175

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.083%, VAR ICE LIBOR USD 3 Month + 3.150%, 03/20/2051	$	2,210	$	2,698
4.078%, VAR ICE LIBOR USD 3 Month + 1.320%, 04/23/2040		1,000		1,155
3.974%, VAR ICE LIBOR USD 3 Month + 1.210%, 02/07/2030		440		486
2.676%, VAR United States Secured Overnight Financing Rate + 1.930%, 06/19/2041		350		340
Berkshire Hathaway
4.500%, 02/11/2043		218		273
Berkshire Hathaway Finance
4.400%, 05/15/2042		1,300		1,608
4.200%, 08/15/2048		1,365		1,684
Blackstone Holdings Finance LLC
6.250%, 08/15/2042 (A)		1,249		1,842
2.000%, 01/30/2032 (A)		355		343
Carlyle Holdings II Finance LLC
5.625%, 03/30/2043 (A)		1,263		1,667
Chubb INA Holdings
6.700%, 05/15/2036		627		935
2.850%, 12/15/2051		250		254
CI Financial
4.100%, 06/15/2051		625		694
Cincinnati Financial
6.920%, 05/15/2028		1,984		2,567
Citigroup
6.625%, 06/15/2032		1,035		1,385
4.750%, 05/18/2046		1,760		2,213
4.650%, 07/23/2048		1,535		2,014
4.281%, VAR ICE LIBOR USD 3 Month + 1.839%, 04/24/2048		1,848		2,304
2.904%, VAR United States Secured Overnight Financing Rate + 1.379%, 11/03/2042		435		433
2.561%, VAR United States Secured Overnight Financing Rate + 1.167%, 05/01/2032		640		643
Commonwealth Bank of Australia MTN
3.743%, 09/12/2039 (A)		310		335
Cooperatieve Rabobank UA
5.250%, 08/04/2045		145		197
Credit Suisse Group
3.091%, VAR United States Secured Overnight Financing Rate + 1.730%, 05/14/2032 (A)		955		968
Deutsche Bank NY
3.035%, VAR United States Secured Overnight Financing Rate + 1.718%, 05/28/2032		385		387
Everest Reinsurance Holdings
3.125%, 10/15/2052		760		747

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Farmers Exchange Capital
7.200%, 07/15/2048 (A)	$	225	$	332
Farmers Exchange Capital II
6.151%, VAR ICE LIBOR USD 3 Month + 3.744%, 11/01/2053 (A)		375		477
Farmers Exchange Capital III
5.454%, VAR ICE LIBOR USD 3 Month + 3.454%, 10/15/2054 (A)		700		849
Fifth Third Bancorp
8.250%, 03/01/2038		286		476
Global Atlantic Finance
3.125%, 06/15/2031 (A)		455		456
Goldman Sachs Group
6.750%, 10/01/2037		1,570		2,217
6.250%, 02/01/2041		1,986		2,882
4.750%, 10/21/2045		50		65
4.411%, VAR ICE LIBOR USD 3 Month + 1.430%, 04/23/2039		595		710
4.017%, VAR ICE LIBOR USD 3 Month + 1.373%, 10/31/2038		3,750		4,281
3.210%, VAR United States Secured Overnight Financing Rate + 1.513%, 04/22/2042		975		1,007
2.908%, VAR United States Secured Overnight Financing Rate + 1.472%, 07/21/2042		295		294
2.650%, VAR United States Secured Overnight Financing Rate + 1.264%, 10/21/2032		655		657
1.992%, VAR United States Secured Overnight Financing Rate + 1.090%, 01/27/2032		360		345
Goldman Sachs Group MTN
4.800%, 07/08/2044		474		606
Guardian Life Insurance of America
4.875%, 06/19/2064 (A)		1,090		1,436
Hartford Financial Services Group
6.625%, 03/30/2040		425		627
HSBC Bank USA
7.000%, 01/15/2039		460		709
HSBC Holdings
6.800%, 06/01/2038		1,067		1,526
6.500%, 09/15/2037		1,615		2,237
5.250%, 03/14/2044		240		311
Intercontinental Exchange
3.000%, 09/15/2060		660		643
Jefferies Group
6.250%, 01/15/2036		338		450
JPMorgan Chase
6.400%, 05/15/2038		150		218
5.600%, 07/15/2041		1,461		2,046
4.032%, VAR ICE LIBOR USD 3 Month + 1.460%, 07/24/2048		760		909

176

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.964%, VAR ICE LIBOR USD 3 Month + 1.380%, 11/15/2048	$	1,465	$	1,743
3.897%, VAR ICE LIBOR USD 3 Month + 1.220%, 01/23/2049		1,235		1,445
3.328%, VAR United States Secured Overnight Financing Rate + 1.580%, 04/22/2052		2,721		2,965
3.109%, VAR United States Secured Overnight Financing Rate + 2.440%, 04/22/2051		1,215		1,281
3.109%, VAR United States Secured Overnight Financing Rate + 2.460%, 04/22/2041		675		702
2.739%, VAR United States Secured Overnight Financing Rate + 1.510%, 10/15/2030		1,885		1,936
2.545%, VAR United States Secured Overnight Financing Rate + 1.180%, 11/08/2032		1,025		1,030
1.953%, VAR United States Secured Overnight Financing Rate + 1.065%, 02/04/2032		570		546
KKR Group Finance II LLC
5.500%, 02/01/2043 (A)		588		782
Liberty Mutual Group
3.951%, 10/15/2050 (A)		1,390		1,586
3.950%, 05/15/2060 (A)		55		63
Lloyds Banking Group
4.344%, 01/09/2048		391		465
Macquarie Group MTN
2.871%, VAR United States Secured Overnight Financing Rate + 1.532%, 01/14/2033 (A)		415		416
2.691%, VAR United States Secured Overnight Financing Rate + 1.440%, 06/23/2032 (A)		905		900
Marsh & McLennan
4.750%, 03/15/2039		709		901
4.200%, 03/01/2048		720		894
Massachusetts Mutual Life Insurance
3.729%, 10/15/2070 (A)		528		601
3.375%, 04/15/2050 (A)		942		1,009
MetLife
5.875%, 02/06/2041		280		402
4.875%, 11/13/2043		655		863
4.721%, 12/15/2044		255		328
4.050%, 03/01/2045		1,481		1,777
Mitsubishi UFJ Financial Group
4.153%, 03/07/2039		325		390
Moody's
4.875%, 12/17/2048		835		1,132
2.750%, 08/19/2041		455		448

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Morgan Stanley
4.375%, 01/22/2047	$	105	$	134
3.217%, VAR United States Secured Overnight Financing Rate + 1.485%, 04/22/2042		990		1,044
Morgan Stanley MTN
6.375%, 07/24/2042		794		1,208
5.597%, VAR United States Secured Overnight Financing Rate + 4.840%, 03/24/2051		580		884
4.300%, 01/27/2045		735		909
3.971%, VAR ICE LIBOR USD 3 Month + 1.455%, 07/22/2038		545		627
2.802%, VAR United States Secured Overnight Financing Rate + 1.430%, 01/25/2052		1,746		1,735
2.511%, VAR United States Secured Overnight Financing Rate + 1.200%, 10/20/2032		435		436
2.239%, VAR United States Secured Overnight Financing Rate + 1.178%, 07/21/2032		500		490
National Rural Utilities Cooperative Finance
4.300%, 03/15/2049		930		1,185
Nationwide Mutual Insurance
4.350%, 04/30/2050 (A)		320		372
New York Life Insurance
6.750%, 11/15/2039 (A)		845		1,282
5.875%, 05/15/2033 (A)		852		1,129
4.450%, 05/15/2069 (A)		750		983
3.750%, 05/15/2050 (A)		401		462
Northwestern Mutual Life Insurance
3.625%, 09/30/2059 (A)		1,142		1,285
Prudential Financial
3.935%, 12/07/2049		130		155
3.905%, 12/07/2047		145		171
Prudential Financial MTN
5.700%, 12/14/2036		1,357		1,841
3.700%, 03/13/2051		110		127
Raymond James Financial
4.950%, 07/15/2046		565		742
3.750%, 04/01/2051		600		678
S&P Global
3.250%, 12/01/2049		250		277
Teachers Insurance & Annuity Association of America
3.300%, 05/15/2050 (A)		1,250		1,316
Travelers
3.050%, 06/08/2051		465		493
Wells Fargo
5.850%, 02/01/2037		3,075		4,100
5.606%, 01/15/2044		220		297
3.900%, 05/01/2045		293		342

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

177

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Wells Fargo MTN
5.013%, VAR United States Secured Overnight Financing Rate + 4.502%, 04/04/2051	$	4,999	$	6,915
4.900%, 11/17/2045		490		625
4.650%, 11/04/2044		1,300		1,589
4.400%, 06/14/2046		110		132
Westpac Banking
3.133%, 11/18/2041		350		346
3.020%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.530%, 11/18/2036		290		288
2.668%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.750%, 11/15/2035		90		88
Willis North America
3.875%, 09/15/2049		510		558
				136,367
Health Care — 7.7%
Abbott Laboratories
4.900%, 11/30/2046		1,034		1,438
AbbVie
4.875%, 11/14/2048		905		1,172
4.850%, 06/15/2044		630		796
4.550%, 03/15/2035		1,565		1,868
4.500%, 05/14/2035		1,750		2,073
4.450%, 05/14/2046		200		243
4.400%, 11/06/2042		2,039		2,443
4.250%, 11/21/2049		2,940		3,536
4.050%, 11/21/2039		540		618
Advocate Health & Hospitals
4.272%, 08/15/2048		391		503
Aetna
4.125%, 11/15/2042		550		628
Alcon Finance
3.800%, 09/23/2049 (A)		550		614
Amgen
4.950%, 10/01/2041		825		1,033
4.400%, 05/01/2045		4,135		4,971
Anthem
4.650%, 01/15/2043		270		337
4.375%, 12/01/2047		2,613		3,224
3.700%, 09/15/2049		1,000		1,120
AstraZeneca
6.450%, 09/15/2037		1,251		1,843
3.000%, 05/28/2051		213		226
AstraZeneca PLC
Baxter International
3.132%, 12/01/2051 (A)		725		745
BayCare Health System
3.831%, 11/15/2050		365		450

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Bayer US Finance II LLC
4.400%, 07/15/2044 (A)	$	1,580	$	1,803
3.950%, 04/15/2045 (A)		500		549
Baylor Scott & White Holdings
4.185%, 11/15/2045		1,040		1,319
Becton Dickinson
3.794%, 05/20/2050		660		751
Biogen
3.250%, 02/15/2051 (A)		100		100
Boston Scientific
4.550%, 03/01/2039		465		559
Bristol-Myers Squibb
4.550%, 02/20/2048		524		676
4.250%, 10/26/2049		1,798		2,242
Children's Hospital Medical Center
2.820%, 11/15/2050		450		464
Cigna
4.900%, 12/15/2048		225		291
4.800%, 08/15/2038		590		723
4.800%, 07/15/2046		1,203		1,521
3.875%, 10/15/2047		1,350		1,510
3.400%, 03/15/2051		540		572
3.200%, 03/15/2040		205		211
Cleveland Clinic Foundation
4.858%, 01/01/2114		72		113
CommonSpirit Health
4.187%, 10/01/2049		1,381		1,637
3.910%, 10/01/2050		290		334
CVS Health
5.125%, 07/20/2045		495		648
5.050%, 03/25/2048		5,205		6,878
4.780%, 03/25/2038		2,770		3,375
4.250%, 04/01/2050		283		345
4.125%, 04/01/2040		595		680
2.700%, 08/21/2040		410		392
Gilead Sciences
4.800%, 04/01/2044		668		841
4.600%, 09/01/2035		965		1,162
4.500%, 02/01/2045		1,065		1,307
GlaxoSmithKline Capital
6.375%, 05/15/2038		415		616
HCA
5.250%, 06/15/2049		1,540		1,996
3.500%, 07/15/2051		930		950
Humana
4.950%, 10/01/2044		890		1,155
3.950%, 08/15/2049		490		570
Johnson & Johnson
3.400%, 01/15/2038		790		890
Kaiser Foundation Hospitals
4.150%, 05/01/2047		565		709
3.266%, 11/01/2049		580		642

178

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.002%, 06/01/2051	$	2,565	$	2,703
2.810%, 06/01/2041		580		592
Mass General Brigham
3.192%, 07/01/2049		85		93
Memorial Health Services
3.447%, 11/01/2049		375		427
Merck
4.150%, 05/18/2043		605		736
2.450%, 06/24/2050		150		143
New York and Presbyterian Hospital
4.763%, 08/01/2116		179		258
Northwell Healthcare
4.260%, 11/01/2047		365		442
NYU Langone Hospitals
4.428%, 07/01/2042		745		905
Pfizer
4.000%, 12/15/2036		1,460		1,731
Providence St. Joseph Health Obligated Group
3.744%, 10/01/2047		525		611
Regeneron Pharmaceuticals
2.800%, 09/15/2050		150		141
Stanford Health Care
3.795%, 11/15/2048		431		523
STERIS Irish FinCo UnLtd
3.750%, 03/15/2051		800		884
Stryker
4.100%, 04/01/2043		805		947
Takeda Pharmaceutical
3.175%, 07/09/2050		807		825
Thermo Fisher Scientific
4.100%, 08/15/2047		360		453
2.800%, 10/15/2041		1,150		1,161
UnitedHealth Group
6.875%, 02/15/2038		885		1,365
6.625%, 11/15/2037		555		831
4.625%, 07/15/2035		695		862
4.250%, 04/15/2047		725		903
4.200%, 01/15/2047		925		1,139
3.700%, 08/15/2049		734		852
3.250%, 05/15/2051		1,665		1,811
3.050%, 05/15/2041		560		584
2.900%, 05/15/2050		240		245
2.750%, 05/15/2040		135		136
Utah Acquisition Sub
5.250%, 06/15/2046		315		386
Viatris
4.000%, 06/22/2050		630		679
3.850%, 06/22/2040		455		485
Wyeth LLC
6.000%, 02/15/2036		945		1,331
5.950%, 04/01/2037		536		761

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Zoetis
4.450%, 08/20/2048	$	205	$	264
				94,621
Industrials — 6.7%
3M
3.250%, 08/26/2049		410		451
AerCap Ireland Capital DAC
3.300%, 01/30/2032		2,115		2,131
Air Lease
3.250%, 10/01/2029		255		261
Air Lease MTN
3.000%, 02/01/2030		180		181
BAE Systems Holdings
4.750%, 10/07/2044 (A)		828		1,026
BAE Systems PLC
5.800%, 10/11/2041 (A)		290		398
3.000%, 09/15/2050 (A)		650		636
Boeing
5.930%, 05/01/2060		750		1,037
5.805%, 05/01/2050		3,746		5,053
5.705%, 05/01/2040		3,845		4,911
3.625%, 02/01/2031		74		79
Burlington Northern Santa Fe LLC
6.200%, 08/15/2036		1,230		1,759
6.150%, 05/01/2037		650		937
5.750%, 05/01/2040		180		250
5.050%, 03/01/2041		200		261
4.900%, 04/01/2044		130		172
4.400%, 03/15/2042		2,030		2,499
4.150%, 04/01/2045		190		231
3.300%, 09/15/2051		1,015		1,108
3.050%, 02/15/2051		195		202
2.875%, 06/15/2052		220		223
Canadian National Railway
6.200%, 06/01/2036		511		719
3.650%, 02/03/2048		575		661
Canadian Pacific Railway
6.125%, 09/15/2115		1,330		2,011
3.100%, 12/02/2051		1,665		1,712
3.000%, 12/02/2041		225		229
2.450%, 12/02/2031		205		208
Carrier Global
3.577%, 04/05/2050		355		377
3.377%, 04/05/2040		370		387
Caterpillar
3.250%, 09/19/2049		355		393
Continental Airlines Pass-Through Trust, Ser 2007-1, Cl A
5.983%, 04/19/2022		888		901
Crane
4.200%, 03/15/2048		450		490

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

179

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
CSX
4.750%, 05/30/2042	$	1,080	$	1,363
4.750%, 11/15/2048		202		265
Deere
3.750%, 04/15/2050		706		856
FedEx
5.100%, 01/15/2044		125		161
4.550%, 04/01/2046		1,673		2,027
4.400%, 01/15/2047		405		476
3.900%, 02/01/2035		410		459
3.250%, 05/15/2041		355		362
GE Capital International Funding Unlimited
4.418%, 11/15/2035		8,366		10,111
General Dynamics
4.250%, 04/01/2040		580		708
General Electric
4.350%, 05/01/2050		215		290
4.250%, 05/01/2040		845		1,047
General Electric MTN
0.636%, VAR ICE LIBOR USD 3 Month + 0.480%, 08/15/2036		1,250		1,092
Kansas City Southern
4.200%, 11/15/2069		453		546
Lockheed Martin
4.700%, 05/15/2046		1,561		2,058
4.070%, 12/15/2042		242		289
3.600%, 03/01/2035		1,085		1,220
Norfolk Southern
5.100%, 08/01/2118		910		1,228
4.800%, 08/15/2043		528		633
4.100%, 05/15/2121		172		200
4.050%, 08/15/2052		664		807
3.942%, 11/01/2047		486		572
3.155%, 05/15/2055		229		238
Northrop Grumman
4.750%, 06/01/2043		930		1,183
4.030%, 10/15/2047		645		771
3.850%, 04/15/2045		770		888
Northwest Airlines, Pass-Through Trust, Ser 2001-1, Cl A1
7.041%, 04/01/2022		7		7
Parker-Hannifin
4.000%, 06/14/2049		305		360
Parker-Hannifin MTN
4.450%, 11/21/2044		405		498
Raytheon Technologies
4.500%, 06/01/2042		1,785		2,205
4.350%, 04/15/2047		900		1,108
3.750%, 11/01/2046		49		55
3.030%, 03/15/2052		1,310		1,324
Snap-on
3.100%, 05/01/2050		571		616

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Trane Technologies Global Holding
4.300%, 02/21/2048	$	140	$	169
TTX
4.600%, 02/01/2049 (A)		564		751
Union Pacific
3.839%, 03/20/2060		2,175		2,598
3.799%, 04/06/2071		652		768
3.250%, 02/05/2050		1,460		1,576
2.973%, 09/16/2062		418		419
Union Pacific MTN
3.550%, 08/15/2039		620		694
United Airlines Pass-Through Trust, Ser 2019-1, Cl AA
4.150%, 08/25/2031		348		384
United Parcel Service
3.750%, 11/15/2047		595		716
US Airways, Pass-Through Trust, Ser 2010-1, Cl A
6.250%, 04/22/2023		644		662
Verisk Analytics
3.625%, 05/15/2050		540		596
Waste Management
3.900%, 03/01/2035		360		405
2.950%, 06/01/2041		760		796
WW Grainger
4.600%, 06/15/2045		340		445
4.200%, 05/15/2047		797		1,015
				79,911
Information Technology — 4.0%
Activision Blizzard
4.500%, 06/15/2047		295		357
Analog Devices
2.950%, 10/01/2051		855		894
2.800%, 10/01/2041		360		368
Apple
4.650%, 02/23/2046		1,469		1,945
4.500%, 02/23/2036		620		779
4.450%, 05/06/2044		560		723
4.375%, 05/13/2045		2,310		2,960
3.850%, 05/04/2043		225		267
3.750%, 09/12/2047		250		298
3.450%, 02/09/2045		950		1,065
2.950%, 09/11/2049		335		350
2.700%, 08/05/2051		1,825		1,825
2.650%, 02/08/2051		695		688
2.550%, 08/20/2060		925		879
2.375%, 02/08/2041		1,130		1,107
Applied Materials
4.350%, 04/01/2047		461		599
Broadcom
3.750%, 02/15/2051 (A)		620		645

180

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.500%, 02/15/2041 (A)	$	1,025	$	1,022
3.137%, 11/15/2035 (A)		490		482
Cisco Systems
5.900%, 02/15/2039		751		1,088
Corning
5.850%, 11/15/2068		159		238
5.450%, 11/15/2079		665		908
Fiserv
4.400%, 07/01/2049		400		476
Intel
3.734%, 12/08/2047		1,460		1,680
3.250%, 11/15/2049		675		719
3.200%, 08/12/2061		310		322
3.050%, 08/12/2051		865		896
Juniper Networks
5.950%, 03/15/2041		208		277
KLA
5.000%, 03/15/2049		527		724
Lam Research
2.875%, 06/15/2050		557		568
Mastercard
3.850%, 03/26/2050		170		203
3.650%, 06/01/2049		285		333
Micron Technology
3.366%, 11/01/2041		165		166
Microsoft
3.450%, 08/08/2036		178		205
3.041%, 03/17/2062		1,452		1,568
2.921%, 03/17/2052		3,558		3,788
2.675%, 06/01/2060		720		718
NVIDIA
3.500%, 04/01/2040		230		260
3.500%, 04/01/2050		742		857
Oracle
4.375%, 05/15/2055		1,075		1,235
4.300%, 07/08/2034		925		1,045
4.125%, 05/15/2045		1,180		1,291
4.000%, 07/15/2046		1,470		1,588
4.000%, 11/15/2047		590		634
3.950%, 03/25/2051		1,065		1,148
3.800%, 11/15/2037		2,170		2,312
3.600%, 04/01/2050		110		111
PayPal Holdings
3.250%, 06/01/2050		250		270
salesforce.com
3.050%, 07/15/2061		375		395
2.900%, 07/15/2051		1,325		1,370
2.700%, 07/15/2041		615		619
Texas Instruments
4.150%, 05/15/2048		367		470
TSMC Arizona
3.250%, 10/25/2051		655		704

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.125%, 10/25/2041	$	375	$	395
Visa
4.300%, 12/14/2045		565		715
4.150%, 12/14/2035		260		311
2.700%, 04/15/2040		230		235
				48,095
Materials — 0.8%
Barrick Gold
5.250%, 04/01/2042		115		151
BHP Billiton Finance USA
5.000%, 09/30/2043		655		870
Dow Chemical
4.375%, 11/15/2042		130		156
3.600%, 11/15/2050		925		1,014
DuPont de Nemours
5.419%, 11/15/2048		390		549
5.319%, 11/15/2038		985		1,272
FMC
4.500%, 10/01/2049		455		561
Glencore Finance Canada
6.000%, 11/15/2041 (A)		661		881
International Flavors and Fragrances
5.000%, 09/26/2048		880		1,161
3.468%, 12/01/2050 (A)		910		957
3.268%, 11/15/2040 (A)		415		426
LYB International Finance III LLC
4.200%, 10/15/2049		830		968
4.200%, 05/01/2050		190		220
Martin Marietta Materials
3.200%, 07/15/2051		245		251
Newmont Goldcorp
5.875%, 04/01/2035		180		236
				9,673
Real Estate — 1.3%
Agree
2.900%, 10/01/2030		335		343
2.600%, 06/15/2033		265		261
American Homes 4 Rent
3.375%, 07/15/2051		255		263
American Tower
3.100%, 06/15/2050		190		184
AvalonBay Communities MTN
4.350%, 04/15/2048		80		104
Boston Properties
2.450%, 10/01/2033		480		463
CyrusOne
3.450%, 11/15/2029		1,920		2,048
Equinix
2.950%, 09/15/2051		740		710

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

181

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Extra Space Storage
2.550%, 06/01/2031	$	40	$	40
2.350%, 03/15/2032		230		223
GLP Capital LP / GLP Financing II
5.300%, 01/15/2029		965		1,101
Life Storage
2.400%, 10/15/2031		280		275
National Retail Properties
4.800%, 10/15/2048		335		430
Regency Centers
4.650%, 03/15/2049		605		763
4.400%, 02/01/2047		280		337
Rexford Industrial Realty
2.150%, 09/01/2031		330		316
Simon Property Group LP
6.750%, 02/01/2040		634		946
4.750%, 03/15/2042		45		56
4.250%, 11/30/2046		85		102
3.800%, 07/15/2050		460		518
3.250%, 09/13/2049		280		291
Spirit Realty
3.400%, 01/15/2030		525		550
3.200%, 02/15/2031		1,070		1,102
2.700%, 02/15/2032		335		334
Ventas Realty
5.700%, 09/30/2043		1,000		1,346
Welltower
5.125%, 03/15/2043		1,299		1,632
4.950%, 09/01/2048		274		361
WP Carey
2.250%, 04/01/2033		180		172
				15,271
Utilities — 9.1%
AEP Transmission LLC
3.800%, 06/15/2049		385		445
3.650%, 04/01/2050		600		679
AES
2.450%, 01/15/2031		225		220
Alabama Power
4.300%, 07/15/2048		585		720
4.150%, 08/15/2044		795		942
3.700%, 12/01/2047		1,061		1,193
American Water Capital
3.450%, 05/01/2050		1,530		1,670
Appalachian Power
4.500%, 03/01/2049		470		583
4.450%, 06/01/2045		650		783
Arizona Public Service
4.250%, 03/01/2049		170		204
3.350%, 05/15/2050		400		424

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Baltimore Gas & Electric
5.200%, 06/15/2033	$	1,128	$	1,399
2.900%, 06/15/2050		400		405
Berkshire Hathaway Energy
6.125%, 04/01/2036		5,241		7,161
Black Hills
4.350%, 05/01/2033		465		534
4.200%, 09/15/2046		500		580
Brooklyn Union Gas
4.273%, 03/15/2048 (A)		710		817
Cleco Power
6.000%, 12/01/2040		310		430
CMS Energy
4.875%, 03/01/2044		917		1,164
Commonwealth Edison
4.350%, 11/15/2045		1,225		1,528
4.000%, 03/01/2048		155		185
3.700%, 03/01/2045		600		694
3.200%, 11/15/2049		430		462
3.125%, 03/15/2051		1,655		1,743
Connecticut Light & Power
4.000%, 04/01/2048		470		585
Consolidated Edison of New York
6.750%, 04/01/2038		525		772
6.300%, 08/15/2037		865		1,219
4.500%, 05/15/2058		450		566
4.450%, 03/15/2044		245		292
3.950%, 04/01/2050		130		152
3.850%, 06/15/2046		500		559
3.700%, 11/15/2059		600		652
Consumers Energy
3.100%, 08/15/2050		460		491
2.500%, 05/01/2060		205		186
Dominion Energy
5.250%, 08/01/2033		2,830		3,503
4.900%, 08/01/2041		1,785		2,233
3.300%, 04/15/2041		605		636
DTE Electric
4.050%, 05/15/2048		480		591
Duke Energy Carolinas LLC
6.100%, 06/01/2037		1,210		1,666
6.000%, 01/15/2038		614		857
5.300%, 02/15/2040		1,880		2,509
4.250%, 12/15/2041		850		1,013
3.200%, 08/15/2049		210		223
Duke Energy Florida LLC
6.350%, 09/15/2037		430		633
Duke Energy Indiana LLC
6.350%, 08/15/2038		295		426
4.900%, 07/15/2043		715		923
3.750%, 05/15/2046		445		514

182

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Duke Energy Progress LLC
4.375%, 03/30/2044	$	2,155	$	2,646
Electricite de France
6.000%, 01/22/2114 (A)		241		346
5.000%, 09/21/2048 (A)		335		446
Elm Road Generating Station Supercritical
5.848%, 01/19/2041 (A)		2,007		2,596
Entergy
3.750%, 06/15/2050		784		861
Entergy Louisiana LLC
4.200%, 04/01/2050		755		928
Entergy Texas
3.550%, 09/30/2049		450		489
Exelon
4.950%, 06/15/2035		1,235		1,500
Exelon Generation LLC
6.250%, 10/01/2039		883		1,132
5.750%, 10/01/2041		494		605
5.600%, 06/15/2042		850		1,023
Florida Power & Light
5.960%, 04/01/2039		980		1,410
5.690%, 03/01/2040		1,201		1,705
5.400%, 09/01/2035		2,315		3,030
3.990%, 03/01/2049		360		444
Georgia Power
4.300%, 03/15/2042		600		688
3.700%, 01/30/2050		1,520		1,651
Indianapolis Power & Light
6.050%, 10/01/2036 (A)		1,061		1,430
Interstate Power and Light
3.100%, 11/30/2051		330		337
Jersey Central Power & Light
6.400%, 05/15/2036		1,425		1,935
KeySpan Gas East
5.819%, 04/01/2041 (A)		925		1,238
MidAmerican Energy
4.800%, 09/15/2043		325		420
4.400%, 10/15/2044		1,350		1,668
4.250%, 05/01/2046		165		204
MidAmerican Energy MTN
5.800%, 10/15/2036		410		563
Narragansett Electric
4.170%, 12/10/2042 (A)		1,320		1,480
Northern States Power
5.350%, 11/01/2039		1,470		2,022
3.600%, 09/15/2047		400		455
3.400%, 08/15/2042		460		498
3.200%, 04/01/2052		190		208
NSTAR Electric
4.400%, 03/01/2044		755		938
Oglethorpe Power
5.250%, 09/01/2050		1,001		1,315

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.050%, 10/01/2048	$	925	$	1,166
Oncor Electric Delivery LLC
5.350%, 10/01/2052		645		980
5.300%, 06/01/2042		345		475
5.250%, 09/30/2040		1,200		1,627
2.700%, 11/15/2051 (A)		760		752
Pacific Gas and Electric
4.200%, 06/01/2041		260		265
3.500%, 08/01/2050		295		281
3.300%, 08/01/2040		200		190
2.500%, 02/01/2031		320		306
PacifiCorp
6.000%, 01/15/2039		530		737
PECO Energy
3.900%, 03/01/2048		1,290		1,545
Piedmont Natural Gas
4.650%, 08/01/2043		330		403
PPL Electric Utilities
4.150%, 06/15/2048		455		565
4.125%, 06/15/2044		870		1,037
Public Service Electric and Gas MTN
4.050%, 05/01/2048		255		313
Public Service of Colorado
6.500%, 08/01/2038		550		833
6.250%, 09/01/2037		680		999
4.050%, 09/15/2049		133		164
Puget Sound Energy
4.223%, 06/15/2048		880		1,065
2.893%, 09/15/2051		335		344
San Diego Gas & Electric
3.320%, 04/15/2050		577		621
Sempra Energy
6.000%, 10/15/2039		865		1,200
3.800%, 02/01/2038		785		867
Southern California Edison
6.050%, 03/15/2039		665		883
3.900%, 03/15/2043		245		264
3.650%, 02/01/2050		115		123
Southern California Gas
3.750%, 09/15/2042		620		702
Southern Gas Capital
5.875%, 03/15/2041		1,008		1,390
4.400%, 06/01/2043		395		459
Southwestern Electric Power
6.200%, 03/15/2040		1,610		2,275
3.250%, 11/01/2051		165		166
Southwestern Public Service
4.400%, 11/15/2048		550		695
Tampa Electric
4.300%, 06/15/2048		975		1,208
Tucson Electric Power
3.250%, 05/01/2051		960		1,015

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

183

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Virginia Electric and Power
4.600%, 12/01/2048	$	600	$	773
4.450%, 02/15/2044		750		934
2.450%, 12/15/2050		265		249
Wisconsin Public Service
3.300%, 09/01/2049		175		189
2.850%, 12/01/2051		500		510
				110,947
Total Corporate Obligations
(Cost $668,615) ($ Thousands)				767,369
U.S. TREASURY OBLIGATIONS — 28.8%
U.S. Treasury Bills (B)
0.052%, 04/07/2022		3,740		3,739
0.052%, 04/28/2022		1,245		1,245
0.048%, 02/01/2022		4,390		4,390
0.046%, 02/24/2022		1,030		1,030
0.045%, 01/13/2022		1,005		1,005
0.042%, 12/21/2021		1,045		1,045
0.040%, 01/25/2022		1,395		1,395
0.039%, 01/06/2022		4,730		4,730
0.037%, 12/09/2021		1,085		1,085
0.035%, 03/03/2022		1,275		1,275
U.S. Treasury Bonds
3.750%, 08/15/2041		1,985		2,624
3.750%, 11/15/2043		2,520		3,382
3.625%, 08/15/2043		2,197		2,892
3.625%, 02/15/2044		2,276		3,008
3.125%, 11/15/2041		2,605		3,172
3.125%, 02/15/2043		3,145		3,842
3.125%, 08/15/2044		4,310		5,317
3.000%, 11/15/2044		7,825		9,490
3.000%, 05/15/2045		6,585		8,026
3.000%, 05/15/2047		3,625		4,500
2.875%, 11/15/2046		3,990		4,828
2.750%, 08/15/2042		3,700		4,271
2.750%, 11/15/2047		5,000		5,962
2.500%, 05/15/2046		6,590		7,439
2.375%, 05/15/2051		4,765		5,405
2.250%, 05/15/2041		4,104		4,368
2.000%, 11/15/2041		1,815		1,860
2.000%, 08/15/2051		42,446		44,449
1.875%, 02/15/2041		22,508		22,581
1.875%, 02/15/2051		21,910		22,276
1.875%, 11/15/2051		40,045		40,833
1.750%, 08/15/2041		53,005		52,036
1.375%, 11/15/2040		145		134
1.375%, 08/15/2050		17,955		16,204
1.125%, 05/15/2040		1,485		1,317

Description	Face Amount (Thousands)		Market Value ($ Thousands)
U.S. TREASURY OBLIGATIONS (continued)
1.125%, 08/15/2040	$	2,509	$	2,218
U.S. Treasury Inflation-Protected Securities
1.000%, 02/15/2049		1,614		2,322
0.125%, 02/15/2051		790		948
U.S. Treasury Notes
1.500%, 11/30/2028		6,790		6,849
1.375%, 10/31/2028		2,520		2,522
1.375%, 11/15/2031		16,195		16,096
1.250%, 09/30/2028		365		362
1.250%, 08/15/2031		3,882		3,820
U.S. Treasury STRIPS
3.282%, 08/15/2043 (B)		9,912		6,546
1.993%, 08/15/2045 (B)		8,130		5,205
Total U.S. Treasury Obligations
(Cost $329,115) ($ Thousands)				348,043
MUNICIPAL BONDS — 2.7%
California — 1.3%
Bay Area, Toll Authority, Build America Project, RB
6.263%, 04/01/2049		600		1,007
California State, Build America Project, GO
7.500%, 04/01/2034		2,565		3,950
7.350%, 11/01/2039		1,645		2,641
Los Angeles, Community College District, Build America Project, GO
6.750%, 08/01/2049		590		1,037
Los Angeles, Department of Airports, RB
6.582%, 05/15/2039		275		369
Los Angeles, Unified School District, Build America Project, Ser RY, GO
6.758%, 07/01/2034		1,360		1,930
Riverside County, Pension Obligation, RB
3.818%, 02/15/2038		345		392
San Francisco, Public Utilities Commission, Water Revenue, Build America Project, Ser DE, RB
6.000%, 11/01/2040		1,235		1,722
University of California Regents, Ser H, RB
6.548%, 05/15/2048		605		962
University of California Regents, Ser N, RB
Callable 11/15/2059 @ 100
3.256%, 05/15/2060		795		889
University of California, Ser AD, RB
4.858%, 05/15/2112		635		966
University of California, Ser AP, RB
3.931%, 05/15/2045		475		548
				16,413

184

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description		Face Amount (Thousands)		Market Value ($ Thousands)
MUNICIPAL BONDS (continued)
Georgia — 0.1%
Georgia State, Municipal Electric Authority, Build America Project, RB
6.637%, 04/01/2057		$	612	$	952
Illinois — 0.2%
Greater Chicago, Metropolitan Water Reclamation District, GO
5.720%, 12/01/2038			1,480		2,072
Maryland — 0.0%
Baltimore, Revenue Authority, Water Project, Ser B, RB
Callable 07/01/2030 @ 100
2.814%, 07/01/2040			370		379
Missouri — 0.1%
Missouri State, Joint Municipal Electric Utility Commission, Build America Project, Ser A, RB
6.890%, 01/01/2042			600		908
New Jersey — 0.0%
New Jersey State, Turnpike Authority, Build America Project, RB
7.414%, 01/01/2040			60		99
New York — 0.5%
New York & New Jersey, Port Authority, RB
4.458%, 10/01/2062			350		479
New York City, Municipal Water Finance Authority, Build America Project, RB	��
5.440%, 06/15/2043			570		845
New York City, Transitional Finance Authority, Build America Project, Sub-Ser, RB
5.572%, 11/01/2038			885		1,172
New York City, Transitional Finance Authority, Future Tax Secured Revenue, Build America Project, Sub-Ser, RB
5.508%, 08/01/2037			1,000		1,340
New York State, Dormitory Authority, Ser F, RB
3.110%, 02/15/2039			1,215		1,307
New York State, Urban Development, RB
5.770%, 03/15/2039			1,470		1,831
					6,974
Ohio — 0.0%
JobsOhio Beverage System, Ser A, RB
2.833%, 01/01/2038			325		345

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MUNICIPAL BONDS (continued)
Texas — 0.5%
Grand Parkway, Transportation Corp, Ser E, RB
5.184%, 10/01/2042	$	930	$	1,281
North Texas, Tollway Authority, Build America Project, RB
6.718%, 01/01/2049		490		842
North Texas, Tollway Authority, RB
Callable 01/01/2029 @ 100
3.029%, 01/01/2040		735		752
Texas State, Private Activity Bond Surface Transportation, RB
3.922%, 12/31/2049		355		410
Texas State, Transportation Commission State Highway Fund, Ser B, RB
5.178%, 04/01/2030		645		787
University of Texas, Build America Bonds, RB
5.262%, 07/01/2039		575		822
				4,894
Total Municipal Bonds
(Cost $27,058) ($ Thousands)				33,036
U.S. GOVERNMENT AGENCY OBLIGATIONS — 2.4%
FNMA, PO MTN
0.000%, 05/15/2030(B)		8,380		7,348
Resolution Funding Principal STRIP
4.326%, 04/15/2030(B)		17,770		15,531
Tennessee Valley Authority
5.250%, 09/15/2039		2,615		3,763
Tennessee Valley Authority, PO
0.000%, 01/15/2038(B)		3,700		2,549
Total U.S. Government Agency Obligations
(Cost $23,426) ($ Thousands)				29,191
SOVEREIGN DEBT — 1.1%
Chile Government International Bond
3.500%, 01/25/2050		235		242
Indonesia Government International Bond
4.350%, 01/11/2048		55		62
3.700%, 10/30/2049		1,035		1,065
Israel Government AID Bond
5.500%, 09/18/2033		1,400		1,957
Israel Government International Bond
3.875%, 07/03/2050		254		292
3.375%, 01/15/2050		1,003		1,065

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

185

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
SOVEREIGN DEBT (continued)
Mexico Government International Bond
5.750%, 10/12/2110	$	319	$	365
5.000%, 04/27/2051		1,230		1,372
4.750%, 04/27/2032		335		374
4.500%, 01/31/2050		1,650		1,716
4.280%, 08/14/2041		334		344
3.250%, 04/16/2030		395		403
Minera Mexico
4.500%, 01/26/2050(A)		380		408
Panama Government International Bond
4.500%, 04/16/2050		660		711
4.500%, 04/01/2056		153		164
4.300%, 04/29/2053		80		84
3.870%, 07/23/2060		355		343
Perusahaan Penerbit SBSN Indonesia III
3.550%, 06/09/2051(A)		175		175
Peruvian Government International Bond
3.550%, 03/10/2051		175		175
Philippine Government International Bond
3.200%, 07/06/2046		795		791
2.950%, 05/05/2045		220		211
Uruguay Government International Bond
5.100%, 06/18/2050		350		454
Total Sovereign Debt
(Cost $11,934) ($ Thousands)				12,773
MORTGAGE-BACKED SECURITIES — 0.7%
Agency Mortgage-Backed Obligations — 0.7%
FHLMC REMIC CMO, Ser 2004-2733, Cl ME
5.000%, 01/15/2034		60		66
FHLMC REMIC CMO, Ser 2004-2748, Cl ZT
5.500%, 02/15/2024		190		196
FHLMC REMIC CMO, Ser 2010-3756, Cl PZ
4.000%, 11/15/2040		3,897		4,207
FNMA CMO, Ser 2004-12, Cl ZX
6.000%, 03/25/2034		1,008		1,162
FNMA CMO, Ser 2004-80, Cl XZ
5.000%, 11/25/2034		726		809
FNMA REMIC CMO, Ser 2007-68, Cl SC, IO
6.608%, VAR ICE LIBOR USD 1 Month 0.000%, 07/25/2037		14		3
GNMA ARM
1.875%, VAR US Treas Yield Curve Rate T Note Const Mat 1 Yr + 1.500%, 06/20/2032		27		29
GNMA CMO, Ser 2009-8, Cl PS, IO
6.211%, VAR ICE LIBOR USD 1 Month 0.000%, 08/16/2038		22		1
GNMA CMO, Ser 2010-4, Cl NS, IO
6.301%, VAR LIBOR USD 1 Month 0.000%, 01/16/2040		49		9

Description	Face Amount (Thousands)		Market Value ($ Thousands)
MORTGAGE-BACKED SECURITIES (continued)
GNMA CMO, Ser 2011-70, Cl BO, PO
0.000%, 05/20/2041(B)	$	1,959	$	1,677
				8,159
Non-Agency Mortgage-Backed Obligations — 0.0%
Citicorp Residential Mortgage Trust, Ser 2007-1, Cl A5
5.075%, 03/25/2037		99		101
DSLA Mortgage Loan Trust, Ser 2005-AR2, Cl 2A1A
0.509%, VAR ICE LIBOR USD 1 Month + 0.420%, 03/19/2045		34		35
Harborview Mortgage Loan Trust, Ser 2004-8, Cl 2A4A
0.489%, 11/19/2034		70		68
Indymac Index Mortgage Loan Trust, Ser 2004-AR12, Cl A1
0.872%, VAR ICE LIBOR USD 1 Month + 0.780%, 12/25/2034		61		51
Indymac Index Mortgage Loan Trust, Ser 2004-AR5, Cl 2A1B
0.892%, VAR ICE LIBOR USD 1 Month + 0.800%, 08/25/2034		29		28
Indymac Index Mortgage Loan Trust, Ser 2004-AR7, Cl A2
0.952%, VAR ICE LIBOR USD 1 Month + 0.860%, 09/25/2034		10		10
RAMP Trust, Ser 2004-SL1, Cl A7
7.000%, 11/25/2031		8		8
Residential Asset Securitization Trust, Ser 2004-IP2, Cl 2A1
2.817%, 12/25/2034(C)		14		13
WaMu Mortgage Pass-Through Certificates, Ser 2005-AR2, Cl 2A21
0.752%, VAR ICE LIBOR USD 1 Month + 0.660%, 01/25/2045		38		38
				352
Total Mortgage-Backed Securities
(Cost $6,046) ($ Thousands)				8,511

186

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Shares		Market Value ($ Thousands)
CASH EQUIVALENT — 1.7%
SEI Daily Income Trust, Government Fund, Cl F
0.010%**†		21,117,351	$	21,117
Total Cash Equivalent
(Cost $21,117) ($ Thousands)				21,117
Total Investments in Securities — 100.8%
(Cost $1,087,311) ($ Thousands)			$	1,220,040

Description	Contracts		Market Value ($ Thousands)
PURCHASED SWAPTION** — 0.0%
Total Purchased Swaption (D)
(Cost $47) ($ Thousands)		1,500,000	$	44

A list of the open OTC swaption contracts held by the Fund at November 30, 2021, is as follows:

Description	Counterparty		Number of Contracts/ Notional Amount		Exercise Price		Expiration Date		Value (Thousands)
PURCHASED SWAPTION — 0.0%
Put Swaptions
Swaption 3Y30Y*		Bank of America Merrill Lynch		1,500,000	$	2.75		01/20/2024	$	44

A list of the open futures contracts held by the Fund at November 30, 2021, is as follows:

Type of Contract	Number of Contracts			Expiration Date		Notional Amount (Thousands)			Value (Thousands)			Unrealized Appreciation/ (Depreciation) (Thousands)
Long Contracts
U.S. 10-Year Treasury Note		313			Mar-2022	$	40,714		$	40,944		$	230
U.S. Ultra Long Treasury Bond		286			Mar-2022		55,520			57,361			1,841
							96,234			98,305			2,071
Short Contracts
U.S. 5-Year Treasury Note		(157	)		Apr-2022	$	(19,030	)	$	(19,060	)	$	(30	)
U.S. Long Treasury Bond		(100	)		Mar-2022		(16,023	)		(16,212	)		(189	)
Ultra 10-Year U.S. Treasury Note		(249	)		Mar-2022		(36,019	)		(36,576	)		(557	)
							(71,072	)		(71,848	)		(776	)
						$	25,162		$	26,457		$	1,295

A list of the open centrally cleared swap agreements held by the Fund at November 30, 2021, is as follows:

Interest Rate Swaps
Fund Pays	Fund Receives		Payment Frequency		Termination Date		Currency		Notional Amount (Thousands)		Value (Thousands)			Upfront Payments/ Receipts (Thousands)		Net Unrealized Depreciation (Thousands)
3 MONTH USD - LIBOR		1.0725% FIXED		Semi-Annually		07/24/2025		USD		4,035	$	(40	)	$	–	$	(40	)
3 MONTH USD LIBOR		1.0255% FIXED		Semi-Annually		07/24/2025		USD		8,070		(87	)		–		(87	)
3 MONTH USD LIBOR		1.0335% FIXED		Semi-Annually		07/24/2025		USD		5,980		(64	)		–		(64	)
MONTHS USD LIBOR		0.39 % FIXED		Semi-Annually		09/28/2025		USD		9,070		(37	)		–		(37	)
3 MONTH USD - LIBOR		1.8075% FIXED		Quarterly		07/24/2053		USD		335		(8	)		–		(8	)
3 MONTH USD LIBOR		1.7725% FIXED		Quarterly		07/24/2053		USD		670		(10	)		–		(10	)
3 MONTH USD LIBOR		1.785% FIXED		Quarterly		07/24/2053		USD		505		(9	)		–		(9	)
MONTHS USD LIBOR		0.87% FIXED		Quarterly		09/28/2053		USD		775		(29	)		–		(29	)
											$	(284	)	$	–	$	(284	)

	Percentages are based on Net Assets of $1,210,555 ($ Thousands).
*	Non-income producing security.
**	The rate reported is the 7-day effective yield as of November 30, 2021.
†	Investment in Affiliated Security (see Note 6).

(A)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration normally to qualified institutions. On November 30, 2021, the value of these securities amounted to $70,894 ($ Thousands), representing 5.9% of the Net Assets of the Fund.
(B)	Zero coupon security. The rate shown on the Schedule of Investments is the security's effective yield at the time of purchase.

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

187

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Fund (Concluded)

(C)	Variable or floating rate security, the interest rate of which adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets.
(D)	Refer to table below for details on Swaption Contracts.

AID — Agency for International Development

ARM — Adjustable Rate Mortgage

Cl — Class

CMO — Collateralized Mortgage Obligation

DAC — Designated Activity Company

FHLMC — Federal Home Loan Mortgage Corporation

FNMA — Federal National Mortgage Association

GNMA — Government National Mortgage Association

GO — General Obligation

ICE— Intercontinental Exchange

IO — Interest Only — face amount represents notional amount

LIBOR— London Interbank Offered Rate

LLC — Limited Liability Company

L.P. — Limited Partnership

Ltd. — Limited

MTN — Medium Term Note

PLC — Public Limited Company

PO — Principal Only

RB — Revenue Bond

REMIC — Real Estate Mortgage Investment Conduit

Ser — Series

STRIPS — Separately Traded Registered Interest and Principal Securities

USD — U.S. Dollar

VAR — Variable Rate

The following is a list of the level of inputs used as of November 30, 2021, in valuing the Fund’s investments and other financial instruments carried at value ($ Thousands):

Investments in Securities	Level 1 ($)		Level 2 ($)		Level 3 ($)		Total ($)
Corporate Obligations		–		767,369		–		767,369
U.S. Treasury Obligations		–		348,043		–		348,043
Municipal Bonds		–		33,036		–		33,036
U.S. Government Agency Obligations		–		29,191		–		29,191
Sovereign Debt		–		12,773		–		12,773
Mortgage-Backed Securities		–		8,511		–		8,511
Cash Equivalent		21,117		–		–		21,117
Total Investments in Securities		21,117		1,198,923		–		1,220,040

Other Financial Instruments	Level 1 ($)			Level 2 ($)			Level 3 ($)		Total ($)
Purchased Swaptions		–			44			–		44
Futures Contracts*
Unrealized Appreciation		2,071			–			–		2,071
Unrealized Depreciation		(776	)		–			–		(776	)
Centrally Cleared Swaps
Interest Rate Swaps*
Unrealized Depreciation		–			(284	)		–		(284	)
Total Other Financial Instruments		1,295			(240	)		–		1,055

* Futures contracts and Swap Contracts are valued at the unrealized appreciation (depreciation) on the instrument.

For the period ended November 30, 2021, there were no transfers in or out of Level 3.

For more information on valuation inputs, see Note 2 – Significant Accounting Policies in Notes to Financial Statements.

The following is a summary of the Fund's transactions with affiliates for the period ended November 30, 2021 ($ Thousands):

Security Description	Value 5/31/2021		Purchases at Cost		Proceeds from Sales			Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value 11/30/2021		Shares		Income		Capital Gains
SEI Daily Income Trust, Government Fund, Cl F	$	72,879	$	318,777	$	(370,539	)	$	—	$	-	$	21,117		21,117,351	$	1	$	—

Amounts designated as “—” are $0 or have been rounded to $0.

The accompanying notes are an integral part of the financial statements.

188

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund

^†Percentages based on total investments.

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS — 86.3%
Communication Services — 7.0%
Activision Blizzard
2.500%, 09/15/2050	$	1,885	$	1,641
Alphabet
2.250%, 08/15/2060		7,458		6,781
1.900%, 08/15/2040		1,430		1,309
America Movil
6.125%, 03/30/2040		5,085		7,207
AT&T
6.350%, 03/15/2040		50		67
5.350%, 09/01/2040		2,340		2,943
4.650%, 06/01/2044		375		441
4.300%, 12/15/2042		500		566
3.800%, 12/01/2057		2,239		2,338
3.550%, 09/15/2055		2,250		2,262
3.500%, 06/01/2041		2,120		2,178
3.500%, 09/15/2053		9,202		9,295
Charter Communications Operating LLC/ Charter Communications Operating
6.834%, 10/23/2055		580		859
6.484%, 10/23/2045		535		731
4.800%, 03/01/2050		700		788
Comcast
6.500%, 11/15/2035		420		602
5.650%, 06/15/2035		4,000		5,309
4.600%, 08/15/2045		1,150		1,445
4.250%, 01/15/2033		4,455		5,205
4.200%, 08/15/2034		3,770		4,424
4.049%, 11/01/2052		6,470		7,690
4.000%, 03/01/2048		5,645		6,581
3.969%, 11/01/2047		5,400		6,263
3.900%, 03/01/2038		5,670		6,481
3.400%, 04/01/2030		855		932
3.400%, 07/15/2046		9,314		10,000

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.250%, 11/01/2039	$	295	$	313
2.987%, 11/01/2063 (A)		36,219		34,997
2.937%, 11/01/2056 (A)		34,100		33,140
2.887%, 11/01/2051 (A)		10,786		10,545
2.800%, 01/15/2051		2,005		1,936
Cox Communications
4.800%, 02/01/2035 (A)		1,400		1,665
4.700%, 12/15/2042 (A)		294		356
Level 3 Financing
3.875%, 11/15/2029 (A)		535		552
NBCUniversal Media LLC
4.450%, 01/15/2043		1,740		2,109
NTT Finance
1.591%, 04/03/2028 (A)		2,360		2,324
SES GLOBAL Americas Holdings GP
5.300%, 03/25/2044 (A)		1,550		1,792
Tencent Holdings MTN
3.840%, 04/22/2051 (A)		1,520		1,643
Time Warner Cable LLC
7.300%, 07/01/2038		791		1,135
5.500%, 09/01/2041		475		582
4.500%, 09/15/2042		500		550
Time Warner Entertainment
8.375%, 07/15/2033		1,709		2,520
T-Mobile USA
3.400%, 10/15/2052 (A)		1,620		1,606
3.000%, 02/15/2041		925		883
TWDC Enterprises 18
4.125%, 12/01/2041		1,705		2,040
TWDC Enterprises 18 MTN
4.125%, 06/01/2044		2,104		2,516
Verizon Communications
5.250%, 03/16/2037		2,350		3,077
4.862%, 08/21/2046		1,100		1,448
4.272%, 01/15/2036		2,200		2,585
3.700%, 03/22/2061		1,045		1,154
3.550%, 03/22/2051		4,165		4,567
3.400%, 03/22/2041		2,505		2,663
2.987%, 10/30/2056		2,824		2,717
2.650%, 11/20/2040		1,995		1,905
ViacomCBS
5.900%, 10/15/2040		40		54
5.850%, 09/01/2043		1,065		1,443
4.950%, 05/19/2050		771		974
4.850%, 12/15/2034		300		345
4.375%, 03/15/2043		2,034		2,304
Vodafone Group
4.875%, 06/19/2049		1,060		1,326
Walt Disney
6.650%, 11/15/2037		990		1,478
6.400%, 12/15/2035		1,573		2,267
4.700%, 03/23/2050		6,298		8,439

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

189

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.625%, 03/23/2040	$	295	$	371
3.800%, 05/13/2060		700		833
3.600%, 01/13/2051		16,169		18,487
3.500%, 05/13/2040		1,585		1,747
2.750%, 09/01/2049		26,586		25,921
				283,647
Consumer Discretionary — 4.7%
7-Eleven
2.500%, 02/10/2041 (A)		1,790		1,660
Alibaba Group Holding
4.400%, 12/06/2057		1,780		2,080
Alimentation Couche-Tard
4.500%, 07/26/2047 (A)		900		1,089
Amazon.com
4.050%, 08/22/2047		11,030		13,568
3.875%, 08/22/2037		4,889		5,749
3.250%, 05/12/2061		9,826		10,848
3.100%, 05/12/2051		9,340		10,094
2.875%, 05/12/2041		1,035		1,075
2.700%, 06/03/2060		4,255		4,145
2.500%, 06/03/2050		8,684		8,310
BMW US Capital LLC
4.150%, 04/09/2030 (A)		540		615
2.550%, 04/01/2031 (A)		1,565		1,606
Boston University
4.061%, 10/01/2048		1,800		2,243
Brown University
2.924%, 09/01/2050		1,298		1,453
California Institute of Technology
4.321%, 08/01/2045		650		857
Dollar Tree
3.375%, 12/01/2051		1,055		1,065
Emory University
2.969%, 09/01/2050		1,660		1,779
Georgetown University
5.215%, 10/01/2118		1,921		2,853
4.315%, 04/01/2049		1,980		2,484
2.943%, 04/01/2050		540		555
Home Depot
5.950%, 04/01/2041		1,980		2,875
4.500%, 12/06/2048		6,300		8,235
4.400%, 03/15/2045		7,210		9,103
4.250%, 04/01/2046		10,312		12,849
4.200%, 04/01/2043		3,220		3,906
3.900%, 06/15/2047		12,568		15,023
3.350%, 04/15/2050		2,020		2,245
3.300%, 04/15/2040		1,245		1,347
3.125%, 12/15/2049		760		813
2.750%, 09/15/2051		2,815		2,834
2.375%, 03/15/2051		5,929		5,513

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Johns Hopkins University
4.083%, 07/01/2053	$	2,000	$	2,577
2.813%, 01/01/2060		2,290		2,365
Lowe's
3.700%, 04/15/2046		2,016		2,243
Massachusetts Institute of Technology
5.600%, 07/01/2111		3,135		5,759
2.294%, 07/01/2051		21		20
NIKE
3.625%, 05/01/2043		1,430		1,645
3.375%, 03/27/2050		4,065		4,656
3.250%, 03/27/2040		1,190		1,308
Northwestern University
3.688%, 12/01/2038		2,070		2,349
Pomona College
2.888%, 01/01/2051		1,240		1,340
President & Fellows of Harvard College
3.619%, 10/01/2037		400		470
2.517%, 10/15/2050		1,555		1,620
Princeton University
5.700%, 03/01/2039		1,274		1,848
TJX
1.600%, 05/15/2031		2,935		2,821
Trustees of Boston College
3.042%, 07/01/2057		1,230		1,297
Trustees of Tufts College
3.099%, 08/15/2051		2,667		2,913
University of Chicago
4.411%, 10/01/2044		715		756
4.003%, 10/01/2053		2,475		3,132
2.761%, 04/01/2045		4,620		4,784
University of Southern California
3.841%, 10/01/2047		1,460		1,790
3.028%, 10/01/2039		2,300		2,466
2.805%, 10/01/2050		925		962
XLIT
5.250%, 12/15/2043		2,405		3,378
				191,370
Consumer Staples — 3.8%
Altria Group
10.200%, 02/06/2039		2,501		4,197
9.950%, 11/10/2038		1,555		2,648
5.375%, 01/31/2044		2,430		2,836
4.500%, 05/02/2043		100		106
4.450%, 05/06/2050		920		968
4.250%, 08/09/2042		575		584
3.875%, 09/16/2046		3,965		3,877
3.400%, 02/04/2041		1,860		1,721
Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide
4.900%, 02/01/2046		3,641		4,622

190

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Anheuser-Busch InBev Worldwide
8.200%, 01/15/2039	$	1,815	$	2,971
8.000%, 11/15/2039		2,786		4,595
4.750%, 04/15/2058		525		666
4.600%, 04/15/2048		220		269
3.750%, 07/15/2042		320		350
Archer-Daniels-Midland
2.700%, 09/15/2051		2,245		2,279
BAT Capital
4.540%, 08/15/2047		1,068		1,120
4.390%, 08/15/2037		7,390		7,847
3.734%, 09/25/2040		110		106
Carilion Clinic Obligated Group
3.147%, 07/01/2051		535		565
Coca-Cola
3.000%, 03/05/2051		5,030		5,359
2.875%, 05/05/2041		1,725		1,797
2.600%, 06/01/2050		1,465		1,453
2.500%, 03/15/2051		5,195		5,070
2.000%, 03/05/2031		675		671
Coca-Cola Femsa
5.250%, 11/26/2043		3,070		4,062
Diageo Capital
2.125%, 04/29/2032		590		589
Estee Lauder
3.125%, 12/01/2049		2,845		3,128
Fomento Economico Mexicano
3.500%, 01/16/2050		3,150		3,377
Hershey
3.125%, 11/15/2049		1,372		1,489
Hormel Foods
3.050%, 06/03/2051		7,915		8,490
JBS USA LUX
3.000%, 05/15/2032 (A)		585		579
Kimberly-Clark
5.300%, 03/01/2041		555		773
3.900%, 05/04/2047		2,275		2,792
Kraft Heinz Foods
7.125%, 08/01/2039 (A)		1,160		1,741
6.750%, 03/15/2032		575		776
5.200%, 07/15/2045		400		509
4.875%, 10/01/2049		470		585
Kroger
5.400%, 01/15/2049		1,371		1,921
Mars
4.200%, 04/01/2059 (A)		1,385		1,804
4.125%, 04/01/2054 (A)		1,385		1,777
3.950%, 04/01/2049 (A)		1,780		2,182
3.875%, 04/01/2039 (A)		1,650		1,924
2.375%, 07/16/2040 (A)		1,680		1,623
Nestle Holdings
4.000%, 09/24/2048 (A)		1,560		1,963

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.900%, 09/24/2038 (A)	$	2,685	$	3,185
PepsiCo
3.450%, 10/06/2046		6,625		7,561
2.750%, 10/21/2051		5,875		6,098
2.625%, 10/21/2041		1,195		1,218
Philip Morris International
4.875%, 11/15/2043		2,830		3,430
4.500%, 03/20/2042		5,945		6,848
4.125%, 03/04/2043		2,286		2,550
3.875%, 08/21/2042		1,925		2,107
Reynolds American
8.125%, 05/01/2040		2,390		3,513
5.850%, 08/15/2045		1,995		2,423
Walmart
2.650%, 09/22/2051		11,790		12,192
2.500%, 09/22/2041		2,765		2,832
				152,718
Energy — 5.2%
BG Energy Capital
5.125%, 10/15/2041 (A)		4,820		6,260
BP Capital Markets America
3.379%, 02/08/2061		12,871		13,289
3.060%, 06/17/2041		1,490		1,503
3.001%, 03/17/2052		2,365		2,319
3.000%, 02/24/2050		2,460		2,405
2.939%, 06/04/2051		8,385		8,160
2.772%, 11/10/2050		1,550		1,464
Burlington Resources LLC
5.950%, 10/15/2036		350		477
Chevron USA
3.078%, 05/11/2050		1,590		1,694
2.343%, 08/12/2050		1,685		1,561
ConocoPhillips
6.500%, 02/01/2039		7,798		11,390
5.900%, 05/15/2038		3,700		5,090
4.300%, 11/15/2044		4,185		5,022
Devon Energy
7.875%, 09/30/2031		1,315		1,862
Energy Transfer
6.250%, 04/15/2049		680		883
6.050%, 06/01/2041		2,225		2,728
5.400%, 10/01/2047		1,902		2,264
5.300%, 04/15/2047		205		237
5.150%, 03/15/2045		290		331
5.000%, 05/15/2050		135		155
Eni SpA
5.700%, 10/01/2040 (A)		2,285		2,953
Enterprise Products Operating LLC
5.950%, 02/01/2041		1,092		1,476
EOG Resources
4.375%, 04/15/2030		1,230		1,415

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

191

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.900%, 04/01/2035	$	2,522	$	2,848
Equinor
5.100%, 08/17/2040		1,415		1,877
4.800%, 11/08/2043		2,284		2,980
3.700%, 04/06/2050		2,200		2,548
3.625%, 04/06/2040		2,955		3,313
2.375%, 05/22/2030		1,555		1,585
Exxon Mobil
4.327%, 03/19/2050		2,198		2,736
4.227%, 03/19/2040		2,955		3,523
3.567%, 03/06/2045		5,455		6,018
3.452%, 04/15/2051		17,915		19,569
2.995%, 08/16/2039		2,346		2,418
Hess
6.000%, 01/15/2040		3,470		4,407
Lundin Energy Finance BV
3.100%, 07/15/2031 (A)		930		940
Marathon Petroleum
5.000%, 09/15/2054		530		643
Motiva Enterprises
6.850%, 01/15/2040 (A)		4,230		5,303
MPLX
4.500%, 04/15/2038		765		849
Northern Natural Gas
4.300%, 01/15/2049 (A)		1,530		1,806
Occidental Petroleum
4.300%, 08/15/2039		462		450
Petroleos Mexicanos
7.690%, 01/23/2050		2,320		2,093
6.950%, 01/28/2060		260		214
Phillips 66
3.300%, 03/15/2052		2,425		2,405
Saudi Arabian Oil
3.500%, 11/24/2070 (A)		1,130		1,081
3.250%, 11/24/2050 (A)		1,065		1,020
Saudi Arabian Oil MTN
4.375%, 04/16/2049 (A)		285		327
Shell International Finance BV
6.375%, 12/15/2038		3,456		5,087
4.375%, 05/11/2045		8,452		10,426
4.000%, 05/10/2046		6,878		8,068
3.750%, 09/12/2046		7,624		8,651
3.625%, 08/21/2042		2,225		2,461
3.000%, 11/26/2051		2,902		2,957
Suncor Energy
5.950%, 12/01/2034		3,570		4,639
Suncor Energy Ventures
6.000%, 04/01/2042 (A)		2,375		2,733
Tennessee Gas Pipeline LLC
8.375%, 06/15/2032		2,020		2,886
TotalEnergies Capital International
3.386%, 06/29/2060		495		532

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.127%, 05/29/2050	$	10,595	$	10,943
2.986%, 06/29/2041		1,220		1,247
TransCanada PipeLines
7.250%, 08/15/2038		1,765		2,622
4.625%, 03/01/2034		1,965		2,310
Williams
5.400%, 03/04/2044		1,000		1,249
				212,702
Financials — 20.7%
AIA Group MTN
4.875%, 03/11/2044 (A)		3,372		4,463
AIG SunAmerica Global Financing X
6.900%, 03/15/2032 (A)		4,660		6,516
Allstate
4.200%, 12/15/2046		515		642
American International Group
4.800%, 07/10/2045		225		292
4.750%, 04/01/2048		65		85
4.500%, 07/16/2044		1,930		2,362
4.375%, 06/30/2050		360		454
Apollo Management Holdings
5.000%, 03/15/2048 (A)		2,125		2,829
4.872%, 02/15/2029 (A)		2,245		2,591
Arthur J Gallagher
3.500%, 05/20/2051		1,250		1,345
ASB Bank
2.375%, 10/22/2031 (A)		2,070		2,067
Athene Global Funding
2.673%, 06/07/2031 (A)		6,810		6,851
Bank of America
7.750%, 05/14/2038		1,275		1,999
6.110%, 01/29/2037		1,395		1,882
6.000%, 10/15/2036		3,775		5,176
3.311%, VAR United States Secured Overnight Financing Rate + 1.580%, 04/22/2042		5,907		6,266
2.972%, VAR United States Secured Overnight Financing Rate + 1.560%, 07/21/2052		10,684		10,875
2.687%, VAR United States Secured Overnight Financing Rate + 1.320%, 04/22/2032		1,600		1,620
2.572%, VAR United States Secured Overnight Financing Rate + 1.210%, 10/20/2032		4,215		4,233
2.299%, VAR United States Secured Overnight Financing Rate + 1.220%, 07/21/2032		1,075		1,055
Bank of America MTN
5.875%, 02/07/2042		12,247		17,442
5.000%, 01/21/2044		1,750		2,290

192

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
4.330%, VAR ICE LIBOR USD 3 Month + 1.520%, 03/15/2050	$	11,205	$	14,009
4.244%, VAR ICE LIBOR USD 3 Month + 1.814%, 04/24/2038		2,028		2,383
4.083%, VAR ICE LIBOR USD 3 Month + 3.150%, 03/20/2051		16,025		19,561
4.078%, VAR ICE LIBOR USD 3 Month + 1.320%, 04/23/2040		10,020		11,578
3.970%, VAR ICE LIBOR USD 3 Month + 1.070%, 03/05/2029		30		33
2.884%, VAR ICE LIBOR USD 3 Month + 1.190%, 10/22/2030		585		605
2.676%, VAR United States Secured Overnight Financing Rate + 1.930%, 06/19/2041		15,705		15,250
Berkshire Hathaway
4.500%, 02/11/2043		1,100		1,377
Berkshire Hathaway Finance
4.400%, 05/15/2042		2,250		2,782
4.300%, 05/15/2043		1,700		2,078
4.250%, 01/15/2049		3,165		3,933
4.200%, 08/15/2048		2,250		2,776
2.850%, 10/15/2050		6,446		6,440
2.500%, 01/15/2051		3,300		3,093
Blackstone Holdings Finance LLC
6.250%, 08/15/2042 (A)		1,313		1,937
5.000%, 06/15/2044 (A)		3,050		3,993
2.000%, 01/30/2032 (A)		1,145		1,108
Carlyle Holdings II Finance LLC
5.625%, 03/30/2043 (A)		3,818		5,039
Chubb INA Holdings
6.700%, 05/15/2036		4,870		7,266
4.350%, 11/03/2045		3,335		4,262
3.050%, 12/15/2061		8,177		8,414
2.850%, 12/15/2051		3,630		3,694
CI Financial
4.100%, 06/15/2051		2,010		2,231
Cincinnati Financial
6.125%, 11/01/2034		3,553		4,836
Citigroup
8.125%, 07/15/2039		3,920		6,702
6.125%, 08/25/2036		690		944
5.316%, VAR United States Secured Overnight Financing Rate + 4.548%, 03/26/2041		5,495		7,281
4.650%, 07/30/2045		1,539		1,971
4.650%, 07/23/2048		9,808		12,871
4.281%, VAR ICE LIBOR USD 3 Month + 1.839%, 04/24/2048		1,494		1,863
3.878%, VAR ICE LIBOR USD 3 Month + 1.168%, 01/24/2039		700		795

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.976%, VAR United States Secured Overnight Financing Rate + 1.422%, 11/05/2030	$	1,270	$	1,320
2.904%, VAR United States Secured Overnight Financing Rate + 1.379%, 11/03/2042		6,840		6,805
2.561%, VAR United States Secured Overnight Financing Rate + 1.167%, 05/01/2032		3,445		3,460
Citigroup Capital III
7.625%, 12/01/2036		890		1,312
CME Group
4.150%, 06/15/2048		1,634		2,146
Commonwealth Bank of Australia
4.316%, 01/10/2048 (A)		2,536		3,044
Credit Suisse Group
3.091%, VAR United States Secured Overnight Financing Rate + 1.730%, 05/14/2032 (A)		1,495		1,515
Deutsche Bank NY
3.035%, VAR United States Secured Overnight Financing Rate + 1.718%, 05/28/2032		1,215		1,221
Farmers Exchange Capital
7.200%, 07/15/2048 (A)		800		1,180
Farmers Exchange Capital II
6.151%, VAR ICE LIBOR USD 3 Month + 3.744%, 11/01/2053 (A)		3,890		4,945
Farmers Exchange Capital III
5.454%, VAR ICE LIBOR USD 3 Month + 3.454%, 10/15/2054 (A)		830		1,007
Fifth Third Bancorp
8.250%, 03/01/2038		1,885		3,136
Goldman Sachs Capital I
6.345%, 02/15/2034		4,455		6,166
Goldman Sachs Group
6.750%, 10/01/2037		2,668		3,768
6.450%, 05/01/2036		890		1,215
6.250%, 02/01/2041		8,168		11,853
4.750%, 10/21/2045		140		182
4.411%, VAR ICE LIBOR USD 3 Month + 1.430%, 04/23/2039		8,010		9,562
4.017%, VAR ICE LIBOR USD 3 Month + 1.373%, 10/31/2038		8,565		9,779
3.210%, VAR United States Secured Overnight Financing Rate + 1.513%, 04/22/2042		5,240		5,414
2.908%, VAR United States Secured Overnight Financing Rate + 1.472%, 07/21/2042		1,940		1,931
2.650%, VAR United States Secured Overnight Financing Rate + 1.264%, 10/21/2032		2,200		2,205

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193

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.383%, VAR United States Secured Overnight Financing Rate + 1.248%, 07/21/2032	$	320	$	314
1.992%, VAR United States Secured Overnight Financing Rate + 1.090%, 01/27/2032		1,135		1,087
Goldman Sachs Group MTN
4.800%, 07/08/2044		6,823		8,729
Guardian Life Insurance of America
4.875%, 06/19/2064 (A)		3,320		4,375
3.700%, 01/22/2070 (A)		1,498		1,634
HSBC Bank PLC
7.650%, 05/01/2025		1,915		2,256
HSBC Bank USA
7.000%, 01/15/2039		7,575		11,676
HSBC Holdings
6.800%, 06/01/2038		3,469		4,962
6.500%, 09/15/2037		7,255		10,050
5.250%, 03/14/2044		2,331		3,023
2.804%, VAR United States Secured Overnight Financing Rate + 1.187%, 05/24/2032		1,660		1,660
Intercontinental Exchange
4.250%, 09/21/2048		2,360		2,850
3.000%, 06/15/2050		775		777
JPMorgan Chase
8.750%, 09/01/2030		1,005		1,511
6.400%, 05/15/2038		11,502		16,689
5.600%, 07/15/2041		6,115		8,563
5.500%, 10/15/2040		7,290		9,936
5.400%, 01/06/2042		7,650		10,557
4.260%, VAR ICE LIBOR USD 3 Month + 1.580%, 02/22/2048		1,180		1,460
4.032%, VAR ICE LIBOR USD 3 Month + 1.460%, 07/24/2048		4,005		4,791
3.964%, VAR ICE LIBOR USD 3 Month + 1.380%, 11/15/2048		11,484		13,660
3.897%, VAR ICE LIBOR USD 3 Month + 1.220%, 01/23/2049		11,150		13,046
3.882%, VAR ICE LIBOR USD 3 Month + 1.360%, 07/24/2038		10,670		12,226
3.328%, VAR United States Secured Overnight Financing Rate + 1.580%, 04/22/2052		12,948		14,108
3.157%, VAR United States Secured Overnight Financing Rate + 1.460%, 04/22/2042		2,985		3,126
3.109%, VAR United States Secured Overnight Financing Rate + 2.440%, 04/22/2051		6,795		7,162
2.739%, VAR United States Secured Overnight Financing Rate + 1.510%, 10/15/2030		35		36

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
2.545%, VAR United States Secured Overnight Financing Rate + 1.180%, 11/08/2032	$	1,750	$	1,759
1.953%, VAR United States Secured Overnight Financing Rate + 1.065%, 02/04/2032		1,830		1,754
1.764%, VAR United States Secured Overnight Financing Rate + 1.105%, 11/19/2031		4,080		3,857
KKR Group Finance II LLC
5.500%, 02/01/2043 (A)		1,073		1,427
KKR Group Finance III LLC
5.125%, 06/01/2044 (A)		3,507		4,535
LSEGA Financing
3.200%, 04/06/2041 (A)		4,164		4,323
Macquarie Group MTN
2.871%, VAR United States Secured Overnight Financing Rate + 1.532%, 01/14/2033 (A)		605		606
2.691%, VAR United States Secured Overnight Financing Rate + 1.440%, 06/23/2032 (A)		1,540		1,532
Marsh & McLennan
4.900%, 03/15/2049		3,692		5,077
4.200%, 03/01/2048		3,155		3,917
2.250%, 11/15/2030		3,565		3,537
Massachusetts Mutual Life Insurance
4.900%, 04/01/2077 (A)		3,380		4,518
3.729%, 10/15/2070 (A)		1,975		2,248
3.375%, 04/15/2050 (A)		195		209
3.200%, 12/01/2061 (A)		615		623
MassMutual Global Funding II
1.550%, 10/09/2030 (A)		1,490		1,437
MetLife
5.875%, 02/06/2041		1,675		2,403
5.700%, 06/15/2035		9,789		13,185
4.875%, 11/13/2043		4,940		6,508
4.721%, 12/15/2044		3,325		4,281
Mitsubishi UFJ Financial Group
3.751%, 07/18/2039		2,406		2,728
Moody's
4.875%, 12/17/2048		1,891		2,565
2.750%, 08/19/2041		250		246
Morgan Stanley
4.457%, VAR ICE LIBOR USD 3 Month + 1.431%, 04/22/2039		3,743		4,532
4.375%, 01/22/2047		700		891
3.217%, VAR United States Secured Overnight Financing Rate + 1.485%, 04/22/2042		4,029		4,248
Morgan Stanley MTN
6.375%, 07/24/2042		6,255		9,518

194

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
5.597%, VAR United States Secured Overnight Financing Rate + 4.840%, 03/24/2051	$	1,775	$	2,705
4.300%, 01/27/2045		14,210		17,575
3.971%, VAR ICE LIBOR USD 3 Month + 1.455%, 07/22/2038		6,845		7,875
2.802%, VAR United States Secured Overnight Financing Rate + 1.430%, 01/25/2052		4,795		4,765
2.511%, VAR United States Secured Overnight Financing Rate + 1.200%, 10/20/2032		360		361
2.239%, VAR United States Secured Overnight Financing Rate + 1.178%, 07/21/2032		1,570		1,539
Mutual of Omaha Insurance
4.297%, VAR ICE LIBOR USD 3 Month + 2.640%, 07/15/2054 (A)		555		574
National Rural Utilities Cooperative Finance
4.400%, 11/01/2048		2,355		3,027
4.300%, 03/15/2049		4,493		5,727
4.023%, 11/01/2032		447		512
Nationwide Mutual Insurance
9.375%, 08/15/2039 (A)		1,170		2,062
4.350%, 04/30/2050 (A)		790		918
New York Life Global Funding
1.850%, 08/01/2031 (A)		4,280		4,186
New York Life Insurance
6.750%, 11/15/2039 (A)		2,215		3,359
5.875%, 05/15/2033 (A)		2,224		2,947
3.750%, 05/15/2050 (A)		2,504		2,883
Northwestern Mutual Life Insurance
3.850%, 09/30/2047 (A)		1,488		1,733
3.625%, 09/30/2059 (A)		2,940		3,309
3.450%, 03/30/2051 (A)		550		609
Ontario Teachers' Cadillac Fairview Properties Trust
2.500%, 10/15/2031 (A)		4,890		4,915
Pacific Life Insurance
4.300%, VAR ICE LIBOR USD 3 Month + 2.796%, 10/24/2067 (A)		1,350		1,603
Pacific LifeCorp
3.350%, 09/15/2050 (A)		2,020		2,197
Prudential Financial
3.905%, 12/07/2047		2,420		2,858
Prudential Financial MTN
5.700%, 12/14/2036		6,384		8,663
3.700%, 03/13/2051		395		455
Raymond James Financial
4.950%, 07/15/2046		165		217
3.750%, 04/01/2051		1,740		1,966
S&P Global
3.250%, 12/01/2049		1,816		2,013

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Securian Financial Group
4.800%, 04/15/2048 (A)	$	2,921	$	3,665
Societe Generale
3.625%, 03/01/2041 (A)		1,525		1,571
State Street
3.031%, VAR United States Secured Overnight Financing Rate + 1.490%, 11/01/2034		3,925		4,106
Swiss Re Treasury US
4.250%, 12/06/2042 (A)		4,581		5,682
Teachers Insurance & Annuity Association of America
4.900%, 09/15/2044 (A)		2,355		3,099
4.270%, 05/15/2047 (A)		3,893		4,802
3.300%, 05/15/2050 (A)		1,285		1,353
Travelers
5.350%, 11/01/2040		1,565		2,166
4.100%, 03/04/2049		4,853		6,146
4.050%, 03/07/2048		1,800		2,229
3.050%, 06/08/2051		255		270
Travelers MTN
6.250%, 06/15/2037		1,205		1,749
UBS MTN
4.500%, 06/26/2048 (A)		2,465		3,266
Validus Holdings
8.875%, 01/26/2040		2,035		3,399
Wachovia
7.500%, 04/15/2035		440		644
WEA Finance LLC
4.625%, 09/20/2048 (A)		2,000		2,210
Wells Fargo
7.950%, 11/15/2029		695		940
6.600%, 01/15/2038		8,715		12,768
5.950%, 08/26/2036		4,720		6,399
5.950%, 12/15/2036		1,002		1,359
5.850%, 02/01/2037		10,043		13,390
5.606%, 01/15/2044		2,931		3,963
3.900%, 05/01/2045		5,874		6,860
3.068%, VAR United States Secured Overnight Financing Rate + 2.530%, 04/30/2041		3,155		3,246
Wells Fargo MTN
5.013%, VAR United States Secured Overnight Financing Rate + 4.502%, 04/04/2051		18,088		25,020
4.900%, 11/17/2045		2,285		2,914
4.750%, 12/07/2046		6,216		7,854
4.650%, 11/04/2044		3,675		4,491
4.400%, 06/14/2046		5,485		6,563
4.150%, 01/24/2029		1,205		1,346
2.879%, VAR United States Secured Overnight Financing Rate + 1.432%, 10/30/2030		3,175		3,293

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

195

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Western & Southern Life Insurance
3.750%, 04/28/2061 (A)	$	2,490	$	2,829
Westpac Banking
3.133%, 11/18/2041		1,150		1,137
3.020%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 1.530%, 11/18/2036		955		949
2.150%, 06/03/2031		1,220		1,222
Willis North America
3.875%, 09/15/2049		1,025		1,121
				835,908
Health Care — 11.3%
Abbott Laboratories
4.900%, 11/30/2046		9,073		12,618
AbbVie
4.850%, 06/15/2044		625		790
4.450%, 05/14/2046		40		49
4.050%, 11/21/2039		485		555
Advocate Health & Hospitals
4.272%, 08/15/2048		2,717		3,496
Aetna
4.125%, 11/15/2042		1,030		1,176
Allina Health System
4.805%, 11/15/2045		1,666		2,165
3.887%, 04/15/2049		2,554		3,061
Amgen
3.150%, 02/21/2040		410		417
2.800%, 08/15/2041		1,048		1,015
2.770%, 09/01/2053		946		897
Ascension Health
4.847%, 11/15/2053		520		777
3.945%, 11/15/2046		2,276		2,880
3.106%, 11/15/2039		3,465		3,771
AstraZeneca PLC
4.375%, 11/16/2045		2,084		2,678
3.000%, 05/28/2051		2,148		2,274
Banner Health
2.907%, 01/01/2042		1,781		1,831
Baptist Health South Florida
4.342%, 11/15/2041		610		747
BayCare Health System
3.831%, 11/15/2050		1,000		1,234
Bayer US Finance II LLC
4.700%, 07/15/2064 (A)		2,180		2,611
4.625%, 06/25/2038 (A)		645		769
4.400%, 07/15/2044 (A)		1,085		1,238
3.950%, 04/15/2045 (A)		2,680		2,945
Baylor Scott & White Holdings
4.185%, 11/15/2045		2,636		3,342
3.967%, 11/15/2046		120		145
2.650%, 11/15/2026		1,235		1,283

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Becton Dickinson
3.794%, 05/20/2050	$	805	$	916
Bon Secours Mercy Health
3.205%, 06/01/2050		1,100		1,187
Bristol-Myers Squibb
5.000%, 08/15/2045		2,400		3,226
4.550%, 02/20/2048		2,103		2,714
4.500%, 03/01/2044		400		506
4.250%, 10/26/2049		16,544		20,630
2.550%, 11/13/2050		1,915		1,823
2.350%, 11/13/2040		460		435
Children's Health Care
3.448%, 08/15/2049		815		894
Children's Hospital Medical Center
2.820%, 11/15/2050		1,180		1,216
Cigna
4.900%, 12/15/2048		1,385		1,794
4.800%, 08/15/2038		3,105		3,805
3.875%, 10/15/2047		1,300		1,454
City of Hope
5.623%, 11/15/2043		920		1,341
Cleveland Clinic Foundation
4.858%, 01/01/2114		1,223		1,920
CommonSpirit Health
4.187%, 10/01/2049		805		954
3.910%, 10/01/2050		570		656
3.817%, 10/01/2049		2,845		3,360
CVS Health
5.050%, 03/25/2048		2,249		2,972
4.780%, 03/25/2038		1,015		1,237
Dartmouth-Hitchcock Health
4.178%, 08/01/2048		4,410		5,373
Duke University Health System
3.920%, 06/01/2047		2,370		2,898
Eli Lilly
3.950%, 03/15/2049		5,870		7,348
Gilead Sciences
4.800%, 04/01/2044		4,465		5,619
4.750%, 03/01/2046		2,370		3,008
4.500%, 02/01/2045		1,050		1,289
GlaxoSmithKline Capital
6.375%, 05/15/2038		9,549		14,171
3.875%, 05/15/2028		1,430		1,606
HCA
5.250%, 06/15/2049		1,980		2,566
Health Care Service, A Mutual Legal Reserve
2.200%, 06/01/2030 (A)		1,715		1,696
Humana
8.150%, 06/15/2038		1,510		2,441
4.625%, 12/01/2042		405		498

196

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Indiana University Health Obligated Group
3.970%, 11/01/2048	$	2,095	$	2,620
Johnson & Johnson
4.850%, 05/15/2041		5,652		7,532
3.625%, 03/03/2037		3,255		3,755
3.400%, 01/15/2038		2,300		2,590
2.900%, 01/15/2028		1,535		1,636
2.450%, 09/01/2060		4,550		4,378
2.250%, 09/01/2050		985		934
2.100%, 09/01/2040		1,335		1,285
Kaiser Foundation Hospitals
4.150%, 05/01/2047		3,860		4,844
3.266%, 11/01/2049		1,910		2,113
3.002%, 06/01/2051		4,905		5,170
2.810%, 06/01/2041		4,471		4,564
Mass General Brigham
3.765%, 07/01/2048		1,000		1,190
3.342%, 07/01/2060		2,015		2,252
3.192%, 07/01/2049		2,260		2,485
Medtronic
4.625%, 03/15/2045		2,804		3,736
Memorial Health Services
3.447%, 11/01/2049		3,210		3,652
Memorial Sloan-Kettering Cancer Center
5.000%, 07/01/2042		235		318
4.125%, 07/01/2052		2,715		3,503
2.955%, 01/01/2050		489		505
Merck
4.150%, 05/18/2043		3,025		3,680
4.000%, 03/07/2049		550		676
3.900%, 03/07/2039		3,785		4,417
3.700%, 02/10/2045		7,430		8,618
3.600%, 09/15/2042		1,100		1,248
Merck Sharp & Dohme Corp
5.750%, 11/15/2036		1,200		1,653
MidMichigan Health
3.409%, 06/01/2050		3,520		3,919
Mount Sinai Hospitals Group
3.737%, 07/01/2049		2,700		3,035
MultiCare Health System
2.803%, 08/15/2050		725		731
New York and Presbyterian Hospital
4.763%, 08/01/2116		1,705		2,454
4.063%, 08/01/2056		2,300		2,993
Northwell Healthcare
4.260%, 11/01/2047		690		836
Novant Health
3.168%, 11/01/2051		2,330		2,528
Novartis Capital
4.000%, 11/20/2045		4,325		5,289
2.750%, 08/14/2050		5,844		5,979

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
NY Society for Relief of Ruptured & Crippled Maintaining Hospital Special Surgery
2.667%, 10/01/2050	$	930	$	910
NYU Langone Hospitals
5.750%, 07/01/2043		1,880		2,785
4.428%, 07/01/2042		2,150		2,612
4.368%, 07/01/2047		1,795		2,152
3.380%, 07/01/2055		1,785		1,941
OhioHealth
3.042%, 11/15/2050		2,462		2,619
Orlando Health Obligated Group
3.327%, 10/01/2050		790		868
PeaceHealth Obligated Group
3.218%, 11/15/2050		5,315		5,541
Pfizer
5.600%, 09/15/2040		808		1,138
4.400%, 05/15/2044		3,295		4,157
4.300%, 06/15/2043		3,825		4,743
4.200%, 09/15/2048		1,320		1,672
4.100%, 09/15/2038		2,580		3,084
4.000%, 12/15/2036		3,521		4,174
4.000%, 03/15/2049		6,031		7,444
2.700%, 05/28/2050		1,675		1,695
2.550%, 05/28/2040		540		538
Pharmacia LLC
6.600%, 12/01/2028		1,045		1,369
Providence St. Joseph Health Obligated Group
3.744%, 10/01/2047		1,520		1,769
Rady Children's Hospital-San Diego
3.154%, 08/15/2051		865		942
Royalty Pharma
3.550%, 09/02/2050		645		649
RWJ Barnabas Health
3.949%, 07/01/2046		50		60
3.477%, 07/01/2049		485		550
Sentara Healthcare
2.927%, 11/01/2051		805		848
Shands Teaching Hospital and Clinics
4.741%, 12/01/2042		1,750		2,226
Sharp HealthCare
2.680%, 08/01/2050		1,500		1,478
Stanford Health Care
3.795%, 11/15/2048		7,062		8,575
Takeda Pharmaceutical
3.175%, 07/09/2050		240		245
3.025%, 07/09/2040		1,350		1,372
Thermo Fisher Scientific
2.800%, 10/15/2041		860		868
2.000%, 10/15/2031		1,320		1,293
Trinity Health
4.125%, 12/01/2045		2,392		3,045

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

197

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
UnitedHealth Group
6.875%, 02/15/2038	$	1,115	$	1,720
6.625%, 11/15/2037		1,080		1,618
6.500%, 06/15/2037		1,240		1,828
5.950%, 02/15/2041		1,130		1,631
5.800%, 03/15/2036		620		853
5.700%, 10/15/2040		415		578
4.750%, 07/15/2045		7,030		9,262
4.625%, 07/15/2035		1,025		1,271
4.450%, 12/15/2048		13,404		17,199
4.375%, 03/15/2042		30		36
4.250%, 03/15/2043		816		984
4.250%, 04/15/2047		4,810		5,991
4.250%, 06/15/2048		2,800		3,494
4.200%, 01/15/2047		4,617		5,686
3.950%, 10/15/2042		995		1,156
3.750%, 10/15/2047		800		928
3.700%, 08/15/2049		2,001		2,323
3.500%, 08/15/2039		4,585		5,046
3.250%, 05/15/2051		10,815		11,760
3.125%, 05/15/2060		35		36
3.050%, 05/15/2041		3,875		4,039
2.900%, 05/15/2050		1,965		2,009
2.300%, 05/15/2031		4,505		4,562
West Virginia United Health System Obligated Group
3.129%, 06/01/2050		900		951
Willis-Knighton Medical Center
4.813%, 09/01/2048		1,980		2,645
Wyeth LLC
6.500%, 02/01/2034		2,160		3,095
5.950%, 04/01/2037		19,379		27,498
Yale-New Haven Health Services
2.496%, 07/01/2050		1,000		949
				455,945
Industrials — 6.1%
3M
3.700%, 04/15/2050		1,357		1,595
3.250%, 08/26/2049		2,557		2,814
AerCap Ireland Capital DAC
3.300%, 01/30/2032		1,335		1,345
Air Canada Pass-Through Trust, Ser 2013-1, Cl A
4.125%, 05/15/2025 (A)		334		339
Airbus
3.950%, 04/10/2047 (A)		2,500		2,959
American Airlines Pass-Through Trust, Ser 2016-2, Cl AA
3.200%, 06/15/2028		3,121		3,168
BAE Systems PLC
3.000%, 09/15/2050 (A)		1,200		1,175

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Boeing
5.930%, 05/01/2060	$	2,370	$	3,276
5.805%, 05/01/2050		4,505		6,076
5.705%, 05/01/2040		390		498
5.150%, 05/01/2030		1,165		1,351
Burlington Northern Santa Fe LLC
5.150%, 09/01/2043		1,470		1,991
4.900%, 04/01/2044		10,036		13,292
4.550%, 09/01/2044		4,635		5,890
4.450%, 03/15/2043		560		700
4.400%, 03/15/2042		2,825		3,478
4.375%, 09/01/2042		290		359
4.150%, 04/01/2045		6,455		7,865
4.125%, 06/15/2047		3,815		4,671
4.050%, 06/15/2048		4,625		5,622
3.550%, 02/15/2050		700		796
3.300%, 09/15/2051		1,925		2,102
2.875%, 06/15/2052		2,535		2,566
Canadian National Railway
6.200%, 06/01/2036		6,610		9,295
4.500%, 11/07/2043		3,800		4,582
3.650%, 02/03/2048		1,335		1,535
Canadian Pacific Railway
6.125%, 09/15/2115		1,405		2,125
3.100%, 12/02/2051		525		540
Caterpillar
5.200%, 05/27/2041		395		540
4.750%, 05/15/2064		510		749
3.803%, 08/15/2042		3,765		4,439
Crane
4.200%, 03/15/2048		775		844
Cummins
2.600%, 09/01/2050		3,535		3,297
Deere
3.900%, 06/09/2042		2,340		2,820
3.750%, 04/15/2050		2,080		2,521
2.875%, 09/07/2049		1,795		1,882
Emerson Electric
2.750%, 10/15/2050		820		824
FedEx
5.250%, 05/15/2050		1,960		2,642
GE Capital International Funding Unlimited
4.418%, 11/15/2035		6,917		8,360
General Dynamics
4.250%, 04/01/2040		1,190		1,452
4.250%, 04/01/2050		1,665		2,155
General Electric
4.350%, 05/01/2050		1,640		2,209
4.250%, 05/01/2040		1,930		2,392
General Electric MTN
6.750%, 03/15/2032		1,340		1,855

198

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Georgia-Pacific LLC
8.875%, 05/15/2031	$	475	$	740
7.250%, 06/01/2028		330		431
Lockheed Martin
4.700%, 05/15/2046		1,000		1,318
4.090%, 09/15/2052		5,007		6,251
4.070%, 12/15/2042		4,275		5,106
2.800%, 06/15/2050		6,584		6,681
Norfolk Southern
5.100%, 08/01/2118		1,900		2,563
4.050%, 08/15/2052		876		1,064
Parker-Hannifin
4.100%, 03/01/2047		2,404		2,823
4.000%, 06/14/2049		1,045		1,233
Parker-Hannifin MTN
4.450%, 11/21/2044		1,015		1,249
Raytheon Technologies
4.700%, 12/15/2041		560		696
4.625%, 11/16/2048		785		1,014
4.500%, 06/01/2042		5,085		6,282
3.750%, 11/01/2046		1,089		1,232
3.030%, 03/15/2052		500		505
Rockefeller Foundation
2.492%, 10/01/2050		3,390		3,445
Rockwell Automation
4.200%, 03/01/2049		2,500		3,181
Siemens Financieringsmaatschappij
2.875%, 03/11/2041 (A)		6,175		6,329
Snap-on
4.100%, 03/01/2048		3,896		4,947
Stanley Black & Decker
5.200%, 09/01/2040		280		372
TTX
4.600%, 02/01/2049 (A)		1,642		2,186
Union Pacific
3.875%, 02/01/2055		2,275		2,630
3.839%, 03/20/2060		6,674		7,972
3.750%, 02/05/2070		500		582
2.973%, 09/16/2062		3,505		3,517
2.950%, 03/10/2052		12,303		12,621
United Airlines Pass-Through Trust, Ser 2019-1, Cl AA
4.150%, 08/25/2031		1,118		1,233
United Parcel Service
7.620%, 04/01/2030		710		999
6.200%, 01/15/2038		5,177		7,554
5.300%, 04/01/2050		1,490		2,223
5.200%, 04/01/2040		725		983
3.625%, 10/01/2042		1,355		1,565
3.400%, 11/15/2046		3,925		4,480
3.400%, 09/01/2049		2,885		3,324

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
US Airways Pass-Through Trust, Ser 2012-1, Cl A
5.900%, 10/01/2024	$	574	$	598
Waste Connections
2.950%, 01/15/2052		550		552
WW Grainger
4.600%, 06/15/2045		1,328		1,737
4.200%, 05/15/2047		3,838		4,886
				248,090
Information Technology — 9.1%
Analog Devices
2.950%, 10/01/2051		8,349		8,727
2.800%, 10/01/2041		4,180		4,268
Apple
4.650%, 02/23/2046		14,561		19,282
4.450%, 05/06/2044		780		1,008
4.375%, 05/13/2045		14,123		18,098
3.850%, 05/04/2043		4,305		5,107
3.850%, 08/04/2046		15,327		18,287
3.750%, 09/12/2047		6,885		8,194
3.750%, 11/13/2047		175		208
3.450%, 02/09/2045		7,545		8,456
2.950%, 09/11/2049		30		31
2.900%, 09/12/2027		670		712
2.850%, 08/05/2061		2,770		2,790
2.700%, 08/05/2051		7,695		7,695
2.650%, 05/11/2050		1,225		1,211
2.650%, 02/08/2051		11,560		11,451
2.550%, 08/20/2060		1,350		1,283
2.375%, 02/08/2041		1,615		1,582
Applied Materials
4.350%, 04/01/2047		2,244		2,918
2.750%, 06/01/2050		1,025		1,049
Cisco Systems
5.900%, 02/15/2039		3,985		5,773
5.500%, 01/15/2040		5,389		7,605
Deutsche Telekom International Finance
9.250%, 06/01/2032		2,192		3,492
Intel
4.950%, 03/25/2060		425		601
4.750%, 03/25/2050		1,475		1,994
4.100%, 05/19/2046		3,219		3,871
4.100%, 05/11/2047		4,555		5,477
4.000%, 12/15/2032		135		158
3.734%, 12/08/2047		13,500		15,538
3.250%, 11/15/2049		3,825		4,074
3.050%, 08/12/2051		2,000		2,071
International Business Machines
4.250%, 05/15/2049		3,725		4,597
4.000%, 06/20/2042		2,240		2,573

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

199

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Kyndryl Holdings
4.100%, 10/15/2041 (A)	$	850	$	826
Mastercard
3.950%, 02/26/2048		1,355		1,642
3.850%, 03/26/2050		7,936		9,495
3.650%, 06/01/2049		2,040		2,382
Microsoft
3.700%, 08/08/2046		5,093		6,156
3.500%, 02/12/2035		1,700		1,952
3.450%, 08/08/2036		2,335		2,683
3.041%, 03/17/2062		10,938		11,814
2.921%, 03/17/2052		27,864		29,668
2.675%, 06/01/2060		4,465		4,451
2.525%, 06/01/2050		27,767		27,531
2.400%, 08/08/2026		1,165		1,215
NVIDIA
3.500%, 04/01/2040		3,565		4,030
3.500%, 04/01/2050		5,570		6,435
Oracle
4.375%, 05/15/2055		2,065		2,372
4.125%, 05/15/2045		2,060		2,253
4.000%, 07/15/2046		10,544		11,391
3.800%, 11/15/2037		5,495		5,855
3.600%, 04/01/2040		9,678		10,027
PayPal Holdings
3.250%, 06/01/2050		1,890		2,043
QUALCOMM
4.300%, 05/20/2047		4,400		5,595
salesforce.com
3.050%, 07/15/2061		1,610		1,697
2.900%, 07/15/2051		1,810		1,871
2.700%, 07/15/2041		1,915		1,928
Texas Instruments
4.150%, 05/15/2048		7,487		9,589
TSMC Arizona
3.250%, 10/25/2051		3,290		3,537
Visa
4.300%, 12/14/2045		10,530		13,320
4.150%, 12/14/2035		1,140		1,363
2.700%, 04/15/2040		1,000		1,022
2.000%, 08/15/2050		3,610		3,193
				367,517
Materials — 0.8%
Air Liquide Finance
3.500%, 09/27/2046 (A)		1,855		2,167
Barrick Gold
5.250%, 04/01/2042		280		367
Barrick North America Finance LLC
5.750%, 05/01/2043		1,320		1,822
Barrick PD Australia Finance Pty
5.950%, 10/15/2039		1,245		1,715

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
BHP Billiton Finance USA
6.420%, 03/01/2026	$	1,320	$	1,574
5.000%, 09/30/2043		5,220		6,929
Ecolab
2.750%, 08/18/2055 (A)		2,757		2,773
International Flavors and Fragrances
5.000%, 09/26/2048		760		1,003
3.468%, 12/01/2050 (A)		170		179
International Paper
8.700%, 06/15/2038		1,000		1,642
Packaging Corp of America
3.050%, 10/01/2051		440		449
Rio Tinto Finance USA
5.200%, 11/02/2040		2,502		3,352
2.750%, 11/02/2051		3,650		3,659
Vale Canada
7.200%, 09/15/2032		310		384
Vale Overseas
6.875%, 11/21/2036		1,150		1,490
6.875%, 11/10/2039		723		951
Vale SA
5.625%, 09/11/2042		840		977
				31,433
Real Estate — 1.3%
American Homes 4 Rent
3.375%, 07/15/2051		300		310
AvalonBay Communities MTN
4.350%, 04/15/2048		220		285
4.150%, 07/01/2047		1,200		1,481
Crown Castle Towers LLC
3.663%, 05/15/2025 (A)		2,585		2,710
CyrusOne
3.450%, 11/15/2029		2,800		2,987
ERP Operating
4.500%, 06/01/2045		1,100		1,412
4.000%, 08/01/2047		1,525		1,856
Mid-America Apartments
2.875%, 09/15/2051		5,277		5,250
Nationwide Health Properties MTN
6.900%, 10/01/2037		1,600		2,061
Prologis
3.000%, 04/15/2050		1,080		1,124
Public Storage
2.250%, 11/09/2031		5,385		5,361
Realty Income
4.650%, 03/15/2047		1,355		1,777
1.800%, 03/15/2033		1,760		1,665
Regency Centers
4.650%, 03/15/2049		1,461		1,842
4.400%, 02/01/2047		530		638

200

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Scentre Group Trust 2
5.125%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 4.685%, 09/24/2080 (A)	$	1,880	$	2,005
4.750%, VAR US Treas Yield Curve Rate T Note Const Mat 5 Yr + 4.379%, 09/24/2080 (A)		1,330		1,390
Simon Property Group LP
6.750%, 02/01/2040		3,865		5,769
4.250%, 11/30/2046		2,560		3,061
3.800%, 07/15/2050		2,235		2,517
3.250%, 09/13/2049		2,330		2,417
2.650%, 07/15/2030		1,815		1,852
2.250%, 01/15/2032		1,245		1,211
Spirit Realty
3.200%, 02/15/2031		130		134
2.700%, 02/15/2032		545		543
Ventas Realty
5.700%, 09/30/2043		850		1,144
4.875%, 04/15/2049		245		313
Welltower
5.125%, 03/15/2043		1,085		1,363
4.950%, 09/01/2048		100		132
				54,610
Utilities — 16.3%
AEP Texas
4.150%, 05/01/2049		2,415		2,828
AEP Transmission LLC
4.000%, 12/01/2046		5,703		6,770
3.800%, 06/15/2049		2,240		2,586
3.750%, 12/01/2047		400		460
3.650%, 04/01/2050		1,360		1,539
2.750%, 08/15/2051		1,425		1,395
Alabama Power
5.500%, 03/15/2041		648		863
5.200%, 06/01/2041		155		201
4.300%, 07/15/2048		2,300		2,831
4.150%, 08/15/2044		135		160
3.850%, 12/01/2042		6,767		7,716
3.700%, 12/01/2047		1,500		1,687
Ameren Illinois
3.700%, 12/01/2047		5,295		6,232
3.250%, 03/15/2050		55		60
2.900%, 06/15/2051		4,489		4,681
American Water Capital
4.150%, 06/01/2049		190		230
3.750%, 09/01/2047		1,950		2,219
Appalachian Power
6.700%, 08/15/2037		50		70
5.800%, 10/01/2035		125		161
4.500%, 03/01/2049		500		621

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Arizona Public Service
5.050%, 09/01/2041	$	50	$	64
4.500%, 04/01/2042		12		14
4.350%, 11/15/2045		1,735		2,067
4.250%, 03/01/2049		450		541
4.200%, 08/15/2048		1,200		1,427
Atmos Energy
4.125%, 10/15/2044		2,805		3,304
4.125%, 03/15/2049		2,675		3,285
Avista
4.350%, 06/01/2048		1,575		1,985
Baltimore Gas and Electric
5.200%, 06/15/2033		1,350		1,675
3.500%, 08/15/2046		4,995		5,512
2.900%, 06/15/2050		1,190		1,204
2.250%, 06/15/2031		3,135		3,127
Berkshire Hathaway Energy
4.450%, 01/15/2049		2,825		3,508
4.250%, 10/15/2050		5,490		6,793
3.800%, 07/15/2048		10,705		12,110
Black Hills
4.200%, 09/15/2046		1,135		1,316
Brooklyn Union Gas
4.273%, 03/15/2048 (A)		2,050		2,359
CenterPoint Energy Houston Electric LLC
4.500%, 04/01/2044		500		638
4.250%, 02/01/2049		1,760		2,226
3.950%, 03/01/2048		500		603
3.350%, 04/01/2051		945		1,060
2.900%, 07/01/2050		975		1,009
Commonwealth Edison
4.700%, 01/15/2044		6,023		7,737
4.600%, 08/15/2043		2,070		2,642
4.000%, 03/01/2048		2,130		2,548
4.000%, 03/01/2049		1,300		1,562
3.750%, 08/15/2047		4,175		4,907
3.700%, 03/01/2045		9,180		10,625
3.125%, 03/15/2051		4,190		4,412
Connecticut Light & Power
4.150%, 06/01/2045		3,385		4,207
4.000%, 04/01/2048		4,817		5,992
Consolidated Edison of New York
6.750%, 04/01/2038		1,915		2,816
6.200%, 06/15/2036		65		90
5.700%, 06/15/2040		40		54
4.625%, 12/01/2054		2,685		3,419
4.500%, 05/15/2058		930		1,169
4.450%, 03/15/2044		650		775
3.950%, 03/01/2043		6,685		7,385
3.875%, 06/15/2047		4,023		4,503
3.850%, 06/15/2046		3,427		3,835
3.700%, 11/15/2059		850		924

SEI Institutional Investments Trust / Semi-Annual Report / November 30, 2021

201

SCHEDULE OF INVESTMENTS (Unaudited)

November 30, 2021

Long Duration Credit Fund (Continued)

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
3.200%, 12/01/2051	$	2,730	$	2,774
3.000%, 12/01/2060		1,700		1,627
Consumers Energy
4.350%, 04/15/2049		4,028		5,156
3.500%, 08/01/2051		1,375		1,568
3.100%, 08/15/2050		830		887
2.650%, 08/15/2052		1,735		1,718
2.500%, 05/01/2060		650		591
Dayton Power & Light
3.950%, 06/15/2049		250		290
Dominion Energy
5.250%, 08/01/2033		20		25
4.600%, 03/15/2049		850		1,090
Dominion Energy South Carolina
5.100%, 06/01/2065		1,665		2,457
DTE Electric
3.950%, 06/15/2042		80		91
3.700%, 03/15/2045		5,230		5,995
Duke Energy Carolinas LLC
6.450%, 10/15/2032		110		147
6.100%, 06/01/2037		1,910		2,629
6.050%, 04/15/2038		2,285		3,216
6.000%, 01/15/2038		3,366		4,696
5.300%, 02/15/2040		6,675		8,908
4.250%, 12/15/2041		3,630		4,324
4.000%, 09/30/2042		11,955		13,944
3.875%, 03/15/2046		2,170		2,518
Duke Energy Florida LLC
6.400%, 06/15/2038		2,645		3,847
4.200%, 07/15/2048		1,030		1,258
3.400%, 10/01/2046		2,955		3,158
Duke Energy Florida Project Finance LLC
3.112%, 09/01/2036		4,255		4,462
Duke Energy Indiana LLC
6.450%, 04/01/2039		4,275		6,260
6.350%, 08/15/2038		1,710		2,468
4.900%, 07/15/2043		880		1,136
3.750%, 05/15/2046		1,750		2,020
3.250%, 10/01/2049		2,170		2,324
2.750%, 04/01/2050		1,352		1,308
Duke Energy Ohio
4.300%, 02/01/2049		690		852
2.125%, 06/01/2030		910		894
Duke Energy Progress LLC
4.375%, 03/30/2044		2,880		3,536
4.200%, 08/15/2045		3,895		4,775
4.150%, 12/01/2044		1,250		1,501
4.100%, 05/15/2042		530		617
4.100%, 03/15/2043		860		1,017
3.600%, 09/15/2047		1,850		2,072
East Ohio Gas
3.000%, 06/15/2050 (A)		1,515		1,514

Description	Face Amount (Thousands)		Market Value ($ Thousands)
CORPORATE OBLIGATIONS (continued)
Electricite de France
6.000%, 01/22/2114 (A)	$	858	$	1,232
5.000%, 09/21/2048 (A)		2,415		3,220
Elm Road Generating Station Supercritical
5.848%, 01/19/2041 (A)		1,000		1,294
Entergy Arkansas LLC
3.350%, 06/15/2052		3,135		3,415
Entergy Louisiana LLC
4.200%, 09/01/2048		2,290		2,797
4.200%, 04/01/2050		1,445		1,776
4.000%, 03/15/2033		1,390		1,591
2.900%, 03/15/2051		2,940		2,948
Essential Utilities
4.276%, 05/01/2049		1,045		1,280
Evergy Kansas Central
3.450%, 04/15/2050		1,430		1,568
Evergy Metro
5.300%, 10/01/2041		150		198
4.200%, 06/15/2047		500		612
4.200%, 03/15/2048		1,000		1,223
Exelon
4.950%, 06/15/2035		1,555		1,888
4.7