iShares Russell Small/Mid-Cap Index Fund - (IWM) NPORT-P iShares U.S. Aerospace & Defense ETF (Dec 2020 report)

Schedule of Investments (unaudited)  December 31, 2020 iShares^® U.S. Aerospace & Defense ETF (Percentages shown are based on Net Assets)

Security	Shares		Value
Common Stocks
Aerospace & Defense — 97.7%
AAR Corp.		305,983	$	11,082,704
Aerojet Rocketdyne Holdings Inc.(a)(b)		662,714		35,024,435
Aerovironment Inc.(a)(b)		202,263		17,576,655
Axon Enterprise Inc.(a)(b)		586,000		71,802,580
Boeing Co. (The)		2,626,612		562,252,565
BWX Technologies Inc.		878,860		52,977,681
Cubic Corp.		290,686		18,034,159
Curtiss-Wright Corp.		382,694		44,526,447
General Dynamics Corp.		863,400		128,491,188
HEICO Corp.		389,749		51,602,768
HEICO Corp., Class A		677,618		79,321,963
Hexcel Corp.		770,289		37,351,314
Howmet Aerospace Inc.		3,598,457		102,699,963
Huntington Ingalls Industries Inc.		373,389		63,655,357
Kaman Corp.		255,210		14,580,147
Kratos Defense & Security Solutions Inc.(a)(b)		1,131,938		31,049,059
L3Harris Technologies Inc.		706,769		133,593,476
Lockheed Martin Corp.		466,299		165,526,819
Maxar Technologies Inc.(b)		563,177		21,733,000
Mercury Systems Inc.(a)(b)		516,417		45,475,681
Moog Inc., Class A		270,703		21,466,748
National Presto Industries Inc.		47,764		4,223,771
Northrop Grumman Corp.		438,166		133,517,944
PAE Inc.(a)(b)		566,779		5,203,031
Parsons Corp.(a)(b)		213,750		7,782,637
Raytheon Technologies Corp.		7,517,227		537,556,903
Spirit AeroSystems Holdings Inc., Class A(b)		974,087		38,077,061
Teledyne Technologies Inc.(a)		337,180		132,167,816
Textron Inc.(b)		2,110,471		101,999,063
TransDigm Group Inc.(a)		223,483		138,302,455
Triumph Group Inc.		481,092		6,042,516
Virgin Galactic Holdings Inc.(a)(b)		1,188,484		28,202,725
				2,842,900,631

Security	Shares		Value
Industrial Machinery — 1.4%
RBC Bearings Inc.(a)(b)		231,457	$	41,440,061
Leisure Products — 0.7%
Smith & Wesson Brands Inc.		516,203		9,162,603
Sturm Ruger & Co. Inc.		161,331		10,497,808
				19,660,411
Total Common Stocks — 99.8% (Cost: $2,875,788,312)				2,904,001,103
Short-Term Investments
Money Market Funds — 3.3%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.18%(c)(d)(e)		89,685,121		89,738,933
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.00%(c)(d)		6,350,000		6,350,000
				96,088,933
Total Short -Term Investments — 3.3% (Cost: $96,021,074)				96,088,933
Total Investments in Securities — 103.1% (Cost: $2,971,809,386)				3,000,090,036
Other Assets, Less Liabilities — (3.1)%				(89,983,288	)
Net Assets — 100.0%			$	2,910,106,748

^(a) Non-income producing security.

^(b) All or a portion of this security is on loan.

^(c)  Affiliate of the Fund.

^(d) Annualized 7-day yield as of period-end.

^(e) All or a portion of this security was purchased with cash collateral received from loaned securities.

Affiliates

Investments in issuers considered to be affiliate(s) of the Fund during the period ended December 31, 2020 for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:

Affiliated Issuer	Value at 03/31/20		Purchases at Cost			Proceeds from Sales			Net Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)		Value at 12/31/20		Shares Held at 12/31/20		Income			Capital Gain Distributions from Underlying Funds
BlackRock Cash Funds: Institutional, SL Agency Shares	$	98,605,172	$	—		$	(8,926,529	)(a)	$	3,808	$	56,482	$	89,738,933		89,685,121	$	729,230	(b)	$	—
BlackRock Cash Funds: Treasury, SL Agency Shares		—		6,350,000	(a)		—			—		—		6,350,000		6,350,000		3,728			—
									$	3,808	$	56,482	$	96,088,933			$	732,958		$	—

^(a)  Represents net amount purchased (sold).

^(b)  All or a portion represents securities lending income earned from the reinvestment of cash collateral from loaned securities, net of fees and collateral investment expenses, and other payments to and from borrowers of securities.

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Schedule of Investments (unaudited) (continued) December 31, 2020 iShares^® U.S. Aerospace & Defense ETF

Futures Contracts

Description	Number of Contracts		Expiration Date		Notional Amount (000)		Value/ Unrealized Appreciation (Depreciation)
Long Contracts
S&P Select Sector Industrial E-Mini Index		69		03/19/21	$	6,148	$	(38,112	)

Fair Value Measurements

Various inputs are used in determining the fair value of financial instruments. For description of the input levels and information about the Fund’s policy regarding valuation of financial instruments, refer to a recently published shareholder report. Shareholder reports are available on the Fund’s website at iShares.com and on the U.S. Securities and Exchange Commission website at sec.gov.

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of December 31, 2020. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.

	Level 1			Level 2		Level 3		Total
Investments
Assets
Common Stocks	$	2,904,001,103		$	—	$	—	$	2,904,001,103
Money Market Funds		96,088,933			—		—		96,088,933
	$	3,000,090,036		$	—	$	—	$	3,000,090,036
Derivative financial instruments(a)
Liabilities
Futures Contracts	$	(38,112	)	$	—	$	—	$	(38,112	)

^(a) Shown at the unrealized appreciation (depreciation) on the contracts.

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