Pioneer Securitized Income Fund NT N-CEN Annual report, filed late (registered investment company)

Form N-CEN Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-CEN ANNUAL REPORT FOR REGISTERED INVESTMENT COMPANIES	OMB APPROVAL
Form N-CEN		OMB Number: 3235-0729 Estimated average burden hours per response: 19.04

X0404

N-CEN: Filer Information

Filer CIK	0001785957
Filer CCC	********
Filer Investment Company Type	Form N-2 Filer (Closed-End Investment Company)
Is this a LIVE or TEST Filing?	LIVE TEST
Is this an electronic copy of an official filing submitted in paper format?
Would you like a Return Copy?

Submission Contact Information

Name

Phone

E-Mail Address

Notification Information

Notify via Filing Website only?

N-CEN:Part A: General Information

Item A.1. Reporting period covered.

a. Report for period ending:	2021-06-30
b. Does this report cover a period of less than 12 months?	Yes No

N-CEN:Part B: Information About the Registrant

Item B.1. Background information.

a. Full name of Registrant	Pioneer Securitized Income Fund
b. Investment Company Act file number ( e.g., 811-)	811-23465
c. CIK	0001785957
d. LEI	549300NPIBL3LB916817

Item B.2. Address and telephone number of Registrant.

a. Street 1	60 State Street
Street 2
b. City	Boston
c. State, if applicable	MASSACHUSETTS
d. Foreign country, if applicable	UNITED STATES OF AMERICA
e. Zip code and zip code extension, or foreign postal code	02109-1820
f. Telephone number (including country code if foreign)	617-422-4947
g. Public Website, if any	www.amundi.com/us

Item B.3. Location of books and records.

Instruction. Provide the requested information for each person maintaining physical possession of each account, book, or other document required to be maintained by section 31(a) of the Act (15 U.S.C. 80a-30(a)) and the rules under that section.

Location books Record: 1
a. Name of person (e.g., a custodian of records)	Brown Brothers Harriman & Co.
b. Street 1	50 Post Office Sq.
Street 2
c. City	Boston
d. State, if applicable	MASSACHUSETTS
e. Foreign country, if applicable	UNITED STATES OF AMERICA
f. Zip code and zip code extension, or foreign postal code	02110-1548
g. Telephone number (including country code if foreign)	617-772-1818
h. Briefly describe the books and records kept at this location:	Books and records

Item B.4. Initial of final filings.

Instruction. Respond "yes" to Item B.4.b only if the Registrant has filed an application to deregister or will file an application to deregister before its next required filing on this form.

a. Is this the first filing on this form by the Registrant?	Yes No
b. Is this the last filing on this form by the Registrant?	Yes No

Item B.5. Family of investment companies.

Instruction. "Family of investment companies" means, except for insurance company separate accounts, any two or more registered investment companies that (i) share the same investment adviser or principal underwriter; and (ii) hold themselves out to investors as related companies for purposes of investment and investor services.In responding to this item, all Registrants in the family of investment companies should report the name of the family of investment companies identically.

Insurance company separate accounts that may not hold themselves out to investors as related companies (products) for purposes of investment and investor services should consider themselves part of the same family if the operational or accounting or control systems under which these entities function are substantially similar.

a. Is the Registrant part of a family of investment companies? Yes No

i. Full name of family of investment companies The Pioneer Funds

Item B.6. Organization.

Instruction. For Item B.6.a.i., the Registrant should include all Series that have been established by the Registrant and have shares outstanding (other than shares issued in connection with an initial investment to satisfy section 14(a) of the Act).

Indicate the classification of the Registrant by checking the applicable item below.

a. Open-end management investment company registered under the Act on Form N-1A
b. Closed-end management investment company registered under the Act on Form N-2
c. Separate account offering variable annuity contracts which is registered under the Act as a management investment company on Form N-3
d. Separate account offering variable annuity contracts which is registered under the Act as a unit investment trust on Form N-4
e. Small business investment company registered under the Act on Form N-5
f. Separate account offering variable insurance contracts which is registered under the Act as a unit investment trust on Form N-6
g. Unit investment trust registered under the Act on Form N-8B-2

Item B.7. Securities Act registration.

Is the Registrant the issuer of a class of securities registered under the Securities Act of 1933 ("Securities Act")? Yes No

Item B.8. Directors.

Provide the information requested below about each person serving as director of the Registrant (management investment companies only):

Director Record: 1
a. Full Name	THOMAS J. PERNA
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 2
a. Full Name	BENJAMIN M. FRIEDMAN
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 3
a. Full Name	FRED J. RICCIARDI
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 4
a. Full Name	DIANE DURNIN
b. CRD number, if any	004798101
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 5
a. Full Name	LORRAINE H. MONCHAK
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 6
a. Full Name	KENNETH J. TAUBES
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 7
a. Full Name	MARGUERITE A. PIRET
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	811-05399
Director Record: 8
a. Full Name	JOHN E. BAUMGARDNER, JR.
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 9
a. Full Name	LISA M. JONES
b. CRD number, if any	N/A
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A
Director Record: 10
a. Full Name	CRAIG C. MACKAY
b. CRD number, if any	002008771
c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?	Yes No
d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)
File Number Record: 1
File Number Record:	N/A

Item B.9. Chief compliance officer.

Provide the information requested below about each person serving as chief compliance officer of the Registrant for purposes of rule 38a-1 (17 CFR 270.38a- 1):

Chief compliance officer Record: 1
a. Full Name	John M. Malone
b. CRD Number, if any	002314031
c. Street Address 1	60 State Street
Street Address 2
d. City	Boston
e. State, if applicable	MASSACHUSETTS
f. Foreign country, if applicable	UNITED STATES OF AMERICA
g. Zip code and zip code extension, or foreign postal code	02109-1820
h. Telephone number (including country code if foreign)	XXXXXX
i. Has the chief compliance officer changed since the last filing?	Yes No

If the chief compliance officer is compensated or employed by any person other than the Registrant, or an affiliated person of the Registrant, for providing chief compliance officer services, provide:

CCO employer Record: 1
i. Name of the person	N/A
ii. Person's IRS Employer Identification Number	N/A

Item B.10. Matters for security holder vote.

Instruction. Registrants registered on Forms N-3, N-4 or N-6, should respond "yes" to this Item only if security holder votes were solicited on contract-level matters.

Were any matters submitted by the Registrant for its security holders' vote during the reporting period? Yes No

Item B.11. Legal proceeding.

Instruction. For purposes of this Item, the following proceedings should be described: (1) any bankruptcy, receivership or similar proceeding with respect to the Registrant or any of its significant subsidiaries; (2) any proceeding to which any director, officer or other affiliated person of the Registrant is a party adverse to the Registrant or any of its subsidiaries; and (3) any proceeding involving the revocation or suspension of the right of the Registrant to sell securities.

a. Have there been any material legal proceedings, other than routine litigation incidental to the business, to which the Registrant or any of its subsidiaries was a party or of which any of their property was the subject during the reporting period? Yes No

b. Has any proceeding previously reported been terminated? Yes No

Item B.12. Fidelity bond and insurance (management investment companies only).

a. Were any claims with respect to the Registrant filed under a fidelity bond (including, but not limited to, the fidelity insuring agreement of the bond) during the reporting period? Yes No

Item B.13. Directors and officers/errors and omissions insurance (management investment companies only).

a. Are the Registrant's officers or directors covered in their capacities as officers or directors under any directors and officers/errors and omissions insurance policy owned by the Registrant or anyone else?	Yes No
i. If yes, were any claims filed under the policy during the reporting period with respect to the Registrant?	Yes No

Item B.14. Provision of financial support.

Instruction. For purposes of this Item, a provision of financial support includes any (1) capital contribution, (2) purchase of a security from a Money Market Fund in reliance on rule 17a-9 under the Act (17 CFR 270.17a-9), (3) purchase of any defaulted or devalued security at fair value reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio, (4) execution of letter of credit or letter of indemnity, (5) capital support agreement (whether or not the Registrant ultimately received support), (6) performance guarantee, or (7) other similar action reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio. Provision of financial support does not include any (1) routine waiver of fees or reimbursement of Registrant's expenses, (2) routine inter-fund lending, (3) routine inter-fund purchases of Registrant's shares, or (4) action that would qualify as financial support as defined above, that the board of directors has otherwise determined not to be reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio.

Did an affiliated person, promoter, or principal underwriter of the Registrant, or an affiliated person of such a person, provide any form of financial support to the Registrant during the reporting period? Yes No

Item B.15. Exemptive orders.

a. During the reporting period, did the Registrant rely on any orders from the Commission granting an exemption from one or more provisions of the Act, Securities Act or Exchange Act? Yes No

Item B.16. Principal underwriters.

a. Provide the information requested below about each principal underwriter:

Principal underwriter Record: 1
i. Full name	Amundi Distributor US, Inc.
ii. SEC file number (e.g., 8-)	8-41256
iii. CRD number	000024497
iv. LEI, if any	549300OSI141GCUW7776
v. State, if applicable	MASSACHUSETTS
vi. Foreign country, if applicable	UNITED STATES OF AMERICA
vii. Is the principal underwriter an affiliated person of the Registrant, or its investment adviser(s) or depositor?	Yes No
b. Have any principal underwriters been hired or terminated during the reporting period?	Yes No

Item B.17. Independent public accountant.

Provide the following information about eachthe independent public accountant:

Public accountant Record: 1
a. Full Name	ERNST & YOUNG LLP
b. PCAOB Number	42
c. LEI, if any	254900H1VLSDPE6LJK37
d. State, if applicable	MASSACHUSETTS
e. Foreign country, if applicable	UNITED STATES OF AMERICA

f. Has the independent public accountant changed since the last filing? Yes No

Item B.18. Report on internal control (management investment companies only).

Instruction. Small business investment companies are not required to respond to this item.

For the reporting period, did an independent public accountant's report on internal control note any material weaknesses? Yes No

Item B.19. Audit opinion.

For the reporting period, did an independent public accountant issue an opinion other than an unqualified opinion with respect to its audit of the Registrant's financial statements? Yes No

Item B.20. Change in valuation methods.

Instruction. Responses to this item need not include changes to valuation techniques used for individual securities (e.g., changing from market approach to income approach for a private equity security). In responding to Item B.20.c., provide the applicable "asset type" category specified in Item C.4.a. of Form N-PORT. In responding to Item B.20.d., provide a brief description of the type of investments involved. If the change in valuation methods applies only to certain sub-asset types included in the response to Item B.20.c., please provide the sub-asset types in the response to Item B.20.d. The responses to Item B.20.c. and Item B.20.d. should be identical only if the change in valuation methods applies to all assets within that category.

Have there been material changes in the method of valuation (e.g., change from use of bid price to mid price for fixed income securities or change in trigger threshold for use of fair value factors on international equity securities) of the Registrant's assets during the reporting period? Yes No

Item B.21. Change in accounting principles and practices.

Have there been any changes in accounting principles or practices, or any change in the method of applying any such accounting principles or practices, which will materially affect the financial statements filed or to be filed for the current year with the Commission and which has not been previously reported? Yes No

Item B.23. Rule 19a-1 notice (management investment companies only).

During the reporting period, did the Registrant pay any dividend or make any distribution in the nature of a dividend payment, required to be accompanied by a written statement pursuant to section 19(a) of the Act (15 U.S.C. 80a-19(a)) and rule 19a-1 thereunder (17 CFR 270.19a-1)? Yes No

N-CEN:Part C: Additional Questions for Management Investment Companies

General Instruction.

Management investment companies that offer multiple series must complete Part C as to each series separately, even if some information is the same for two or more series. To begin this section or add an additional series(s), click on the bar labeled "Add a New Series" below.

N-CEN:Part D: Additional Questions for Closed-End Management Investment Companies and SBIC

Item D.1. Securities issued by Registrant.

Instruction. For any security issued by the Fund that is not listed on a securities exchange but that has a ticker symbol, provide that ticker symbol.

Indicate by checking below which of the following securities have been issued by the Registrant. Indicate all that apply.

Security Issued by Registrants Record: 1

Type of security Common stock

Title of class Common Stock

Common Record:1

Exchange where listed	NEW YORK STOCK EXCHANGE, INC.
Ticker symbol	XSILX

Item D.2. Rights offerings.

Instruction. For Item D.2.c, the "percentage of participation in primary rights offering" is calculated as the percentage of subscriptions exercised during the primary rights offering relative to the amount of securities available for primary subscription.

a. Did the Fund make a rights offering with respect to any type of security during the reporting period? Yes No

Item D.3. Secondary offerings.

a. Did the Fund make a secondary offering during the reporting period? Yes No

Item D.4. Repurchases.

a. Did the Fund repurchase any outstanding securities issued by the Fund during the reporting period? Yes No

Item D.5. Default on long-term debt.

Instruction . The term "long-term debt" means debt with a period of time from date of initial issuance to maturity of one year or greater.
a. Were any issues of the Fund's long-term debt in default at the close of the reporting period with respect to the payment of principal, interest, or amortization?	Yes No

Item D.6. Dividends in arrears.

Instruction . The term "dividends in arrears" means dividends that have not been declared by the board of directors or other governing body of the Fund at the end of each relevant dividend period set forth in the constituent instruments establishing the rights of the stockholders.
a. Were any accumulated dividends in arrears on securities issued by the Fund at the close of the reporting period?	Yes No

Item D.7. Modification of securities.

Have the terms of any constituent instruments defining the rights of the holders of any class of the Registrant's securities been materially modified? Yes No

Item D.8. Management fee (closed-end companies only).

Instruction. Base the percentage on amounts incurred during the reporting period

Provide the Fund's advisory fee as of the end of the reporting period as percentage of net assets: 0

Item D.9. Net annual operating expense.

Provide the Fund's net annual operating expenses as of the end of the reporting period (net of any waivers or reimbursements) as a percentage of net assets: 0

Item D.10. Market price.

Instruction. Respond to this item with respect to common stock issued by the Registrant only.
Market price per share at end of reporting period:	N/A

Item D.11. Net asset value.

Instruction. Respond to this item with respect to common stock issued by the Registrant only.
Net asset value per share at end of reporting period:	0

N-CEN:Part G: Attachments

Item G.1a. Attachments.

Attachments applicable to all Registrants. All Registrants shall file the following attachments, as applicable, with the current report. Indicate the attachments filed with the current report by checking the applicable items below: i. Legal proceedings
ii. Provision of financial support
iii. Independent public accountant's report on internal control (management investment companies other than small business investment companies only)
iv. Change in accounting principles and practices
v. Information required to be filed pursuant to exemptive orders
vi. Other information required to be included as an attachment pursuant to Commission rules and regulations

Item G.1b. Attachments.

Attachments to be filed by closed-end management investment companies and small business investment
companies. Registrants shall file the following attachments, as applicable, with the current report. Indicate the
attachments filed with the current report by checking the applicable items below: i. Material amendments to organizational documents
ii. Instruments defining the rights of the holders of any new or amended class of securities
iii. New or amended investment advisory contracts
iv. Information called for by Item 405 of Regulation S-K
v. Code of ethics (small business investment companies only)

Instructions.

1. Item G.1.a.i. Legal proceedings.

(a) If the Registrant responded "YES" to Item B.11.a., provide a brief description of the proceedings. As part of the description, provide the case or docket number (if any), and the full names of the principal parties to the proceeding.
(b) If the Registrant responded "YES" to Item B.11.b., identify the proceeding and give its date of termination.

2. Item G.1.a.ii. Provision of financial support. If the Registrant responded "YES" to Item B.14., provide the following information (unless the Registrant is a Money Market Fund): (a) Description of nature of support.

(b) Person providing support.

(c) Brief description of relationship between the person providing support and the Registrant.

(d) Date support provided.

(e) Amount of support.

(f) Security supported (if applicable). Disclose the full name of the issuer, the title of the issue (including coupon or yield, if applicable) and at least two identifiers, if available (e.g., CIK, CUSIP, ISIN, LEI).
(g) Value of security supported on date support was initiated (if applicable).

(h) Brief description of reason for support.

(i) Term of support.

(j) Brief description of any contractual restrictions relating to support.

3. Item G.1.a.iii. Independent public accountant's report on internal control (management investment companies other than small business investment companies only). Each management investment company shall furnish a report of its independent public accountant on the company's system of internal accounting controls. The accountant's report shall be based on the review, study and evaluation of the accounting system, internal accounting controls, and procedures for safeguarding securities made during the audit of the financial statements for the reporting period. The report should disclose any material weaknesses in: (a) the accounting system; (b) system of internal accounting control; or (c) procedures for safeguarding securities which exist as of the end of the Registrant's fiscal year.

The accountant's report shall be furnished as an exhibit to the form and shall: (1) be addressed to the Registrant's shareholders and board of directors; (2) be dated; (3) be signed manually; and (4) indicate the city and state where issued.

Attachments that include a report that discloses a material weakness should include an indication by the Registrant of any corrective action taken or proposed.

The fact that an accountant's report is attached to this form shall not be regarded as acknowledging any review of this form by the independent public accountant.

4. Item G.1.a.iv. Change in accounting principles and practices. If the Registrant responded "YES" to Item B.21, provide an attachment that describes the change in accounting principles or practices, or the change in the method of applying any such accounting principles or practices. State the date of the change and the reasons therefor. A letter from the Registrant's independent accountants, approving or otherwise commenting on the change, shall accompany the description.

5. Item G.1.a.v. Information required to be filed pursuant to exemptive orders. File as an attachment any information required to be reported on Form N-CEN or any predecessor form to Form N-CEN (e.g., Form N-SAR) pursuant to exemptive orders issued by the Commission and relied on by the Registrant.

6. Item G.1.a.vi. Other information required to be included as an attachment pursuant to Commission rules and regulations. File as an attachment any other information required to be included as an attachment pursuant to Commission rules and regulations.

Instructions.

7. Item G.1.b.i. Material amendments to organizational documents. Provide copies of all material amendments to the Registrant's charters, by-laws, or other similar organizational documents that occurred during the reporting period.

8. Item G.1.b.ii. Instruments defining the rights of the holders of any new or amended class of securities. Provide copies of all constituent instruments defining the rights of the holders of any new or amended class of securities for the current reporting period. If the Registrant has issued a new class of securities other than short-term paper, furnish a description of the class called for by the applicable item of Form N-2. If the constituent instruments defining the rights of the holders of any class of the Registrant's securities have been materially modified during the reporting period, give the title of the class involved and state briefly the general effect of the modification upon the rights of the holders of such securities.

9. Item G.1.b.iii. New or amended investment advisory contracts. Provide copies of any new or amended investment advisory contracts that became effective during the reporting period.

10. Item G.1.b.iv. Information called for by Item 405 of Regulation S-K. Provide the information called for by Item 405 of Regulation S-K concerning failure of certain closed-end management investment company and small business investment company shareholders to file certain ownership reports.

11. Item G.1.b.v. Code of ethics (small business investment companies only).

(a) (1) Disclose whether, as of the end of the period covered by the report, the Registrant has adopted a code of ethics that applies to the Registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the Registrant or a third party. If the Registrant has not adopted such a code of ethics, explain why it has not done so.
(2) For purposes of this instruction, the term "code of ethics" means written standards that are reasonably designed to deter wrongdoing and to promote: (i) honest and ethical conduct, including the ethical handling of actual or apparent conflicts of interest between personal and professional relationships; (ii) full, fair, accurate, timely, and understandable disclosure in reports and documents that a Registrant files with, or submits to, the Commission and in other public communications made by the Registrant; (iii) compliance with applicable governmental laws, rules, and regulations; (iv) the prompt internal reporting of violations of the code to an appropriate person or persons identified in the code; and (v) accountability for adherence to the code.

(3) The Registrant must briefly describe the nature of any amendment, during the period covered by the report, to a provision of its code of ethics that applies to the Registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the Registrant or a third party, and that relates to any element of the code of ethics definition enumerated in paragraph (a)(2) of this instruction. The Registrant must file a copy of any such amendment as an exhibit to this report on Form N-CEN, unless the Registrant has elected to satisfy paragraph (a)(6) of this instruction by posting its code of ethics on its website pursuant to paragraph (a)(6)(ii) of this Instruction, or by undertaking to provide its code of ethics to any person without charge, upon request, pursuant to paragraph (a)(6)(iii) of this instruction.

(4) If the Registrant has, during the period covered by the report, granted a waiver, including an implicit waiver, from a provision of the code of ethics to the Registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the Registrant or a third party, that relates to one or more of the items set forth in paragraph (a)(2) of this instruction, the Registrant must briefly describe the nature of the waiver, the name of the person to whom the waiver was granted, and the date of the waiver.

(5) If the Registrant intends to satisfy the disclosure requirement under paragraph (a)(3) or (4) of this instruction regarding an amendment to, or a waiver from, a provision of its code of ethics that applies to the Registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions and that relates to any element of the code of ethics definition enumerated in paragraph (a)(2) of this instruction by posting such information on its Internet website, disclose the Registrant's Internet address and such intention.

(6) The Registrant must: (i) file with the Commission a copy of its code of ethics that applies to the Registrant's principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, as an exhibit to its report on this Form N-CEN; (ii) post the text of such code of ethics on its Internet website and disclose, in its most recent report on this Form N-CEN, its Internet address and the fact that it has posted such code of ethics on its Internet website; or (iii) undertake in its most recent report on this Form N-CEN to provide to any person without charge, upon request, a copy of such code of ethics and explain the manner in which such request may be made.

(7) A Registrant may have separate codes of ethics for different types of officers. Furthermore, a "code of ethics" within the meaning of paragraph (a)(2) of this instruction may be a portion of a broader document that addresses additional topics or that applies to more persons than those specified in paragraph (a)(1) of this instruction. In satisfying the requirements of paragraph (a)(6) of this instruction, a Registrant need only file, post, or provide the portions of a broader document that constitutes a "code of ethics" as defined in paragraph (a)(2) of this instruction and that apply to the persons specified in paragraph (a)(1) of this instruction.

(8) If a Registrant elects to satisfy paragraph (a)(6) of this instruction by posting its code of ethics on its Internet website pursuant to paragraph (a)(6)(ii), the code of ethics must remain accessible on its website for as long as the Registrant remains subject to the requirements of this instruction and chooses to comply with this instruction by posting its code on its Internet website pursuant to paragraph (a)(6)(ii).

(9) The Registrant does not need to provide any information pursuant to paragraphs (a)(3) and (4) of this instruction if it discloses the required information on its Internet website within five business days following the date of the amendment or waiver and the Registrant has disclosed in its most recently filed report on this Form N-CEN its Internet website address and intention to provide disclosure in this manner. If the amendment or waiver occurs on a Saturday, Sunday, or holiday on which the Commission is not open for business, then the five business day period shall begin to run on and include the first business day thereafter. If the Registrant elects to disclose this information through its website, such information must remain available on the website for at least a 12-month period. The Registrant must retain the information for a period of not less than six years following the end of the fiscal year in which the amendment or waiver occurred. Upon request, the Registrant must furnish to the Commission or its staff a copy of any or all information retained pursuant to this requirement.

(10) The Registrant does not need to disclose technical, administrative, or other non-substantive amendments to its code of ethics.

(11) For purposes of this instruction: (i) the term "waiver" means the approval by the Registrant of a material departure from a provision of the code of ethics; and (ii) the term "implicit waiver" means the Registrant's failure to take action within a reasonable period of time regarding a material departure from a provision of the code of ethics that has been made known to an executive officer, as defined in rule 3b-7 under the Exchange Act (17 CFR 240.3b-7), of the Registrant.

(b) (1) Disclose that the Registrant's board of directors has determined that the Registrant either: (i) has at least one audit committee financial expert serving on its audit committee; or (ii) does not have an audit committee financial expert serving on its audit committee.

(2) If the Registrant provides the disclosure required by paragraph (b)(1)(i) of this instruction, it must disclose the name of the audit committee financial expert and whether that person is "independent." In order to be considered "independent" for purposes of this instruction, a member of an audit committee may not, other than in his or her capacity as a member of the audit committee, the board of directors, or any other board committee: (i) accept directly or indirectly any consulting, advisory, or other compensatory fee from the issuer; or (ii) be an "interested person" of the investment company as defined in Section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19)).

(3) If the Registrant provides the disclosure required by paragraph (b)(1)(ii) of this instruction, it must explain why it does not have an audit committee financial expert.

(4) If the Registrant's board of directors has determined that the Registrant has more than one audit committee financial expert serving on its audit committee, the Registrant may, but is not required to, disclose the names of those additional persons. A Registrant choosing to identify such persons must indicate whether they are independent pursuant to paragraph (b)(2) of this instruction.

(5) For purposes of this instruction, an "audit committee financial expert" means a person who has the following attributes: (i) an understanding of generally accepted accounting principles and financial statements; (ii) the ability to assess the general application of such principles in connection with the accounting for estimates, accruals, and reserves; (iii) experience preparing, auditing, analyzing, or evaluating financial statements that present a breadth and level of complexity of accounting issues that are generally comparable to the breadth and complexity of issues that can reasonably be expected to be raised by the Registrant's financial statements, or experience actively supervising one or more persons engaged in such activities; (iv) an understanding of internal controls and procedures for financial reporting; and (v) an understanding of audit committee functions.

(6) A person shall have acquired such attributes through: (i) education and experience as a principal financial officer, principal accounting officer, controller, public accountant, or auditor or experience in one or more positions that involve the performance of similar functions; (ii) experience actively supervising a principal financial officer, principal accounting officer, controller, public accountant, auditor, or person performing similar functions; (iii) experience overseeing or assessing the performance of companies or public accountants with respect to the preparation, auditing, or evaluation of financial statements; or (iv) other relevant experience.

(7) (i) A person who is determined to be an audit committee financial expert will not be deemed an "expert" for any purpose, including without limitation for purposes of Section 11 of the Securities Act (15 U.S.C. 77k), as a result of being designated or identified as an audit committee financial expert pursuant to this instruction; (ii) the designation or identification of a person as an audit committee financial expert pursuant to this instruction does not impose on such person any duties, obligations, or liability that are greater than the duties, obligations, and liability imposed on such person as a member of the audit committee and board of directors in the absence of such designation or identification; (iii) the designation or identification of a person as an audit committee financial expert pursuant to this instruction does not affect the duties, obligations, or liability of any other member of the audit committee or board of directors.

(8) If a person qualifies as an audit committee financial expert by means of having held a position described in paragraph (b)(6)(iv) of this Instruction, the Registrant shall provide a brief listing of that person's relevant experience.

N-CEN: Signature

Pursuant to the requirements of the Investment Company Act of 1940, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Registrant	Pioneer Securitized Income Fund
Date	2021-06-30
Signature	Anthony J. Koenig, Jr.
Title	Treasurer and Chief Financial and Accounting Officer