Blackrock Funds

09/17/2024 | Press release | Distributed by Public on 09/17/2024 15:05

Post Effective Amendment to Post Effective Amendment by Investment Company Form 485BXT

iShares FTSE NAREIT All Equity REIT Index Fund

As filed with the Securities and Exchange Commission on September 17, 2024

Securities Act File No. 33-26305

Investment Company Act File No. 811-05742

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
Pre-Effective Amendment No.

Post-Effective Amendment No. 1225

and/or

REGISTRATION STATEMENT UNDER THE
INVESTMENT COMPANY ACT OF 1940
Amendment No. 1227

(Check appropriate box or boxes)

BLACKROCK FUNDSSM

(Exact Name of Registrant as Specified in Charter)

100 Bellevue Parkway Wilmington, Delaware 19809

(Address of Principal Executive Office)

Registrant's Telephone Number, including Area Code (800) 441-7762

John M. Perlowski

BlackRock FundsSM

50 Hudson Yards

New York, New York 10001

United States of America

(Name and Address of Agent for Service)

Copies to:

Jesse C. Kean, Esq

Sidley Austin LLP

787 Seventh Avenue

New York, New York 10019

Janey Ahn, Esq.

BlackRock Advisors, LLC

50 Hudson Yards

New York, New York 10001

It is proposed that this filing will become effective (check appropriate box)

Immediately upon filing pursuant to paragraph (b)

On September 27, 2024 pursuant to paragraph (b)

60 days after filing pursuant to paragraph (a)(1)

On (date) pursuant to paragraph (a)(1)

75 days after filing pursuant to paragraph (a)(2)

On (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

Title of Securities Being Registered: Shares of Beneficial Interest, par value $0.001 per share.

Explanatory Note

This Post-Effective Amendment No. 1225 under the Securities Act of 1933, as amended (the "Securities Act") to the registration statement on Form N-1A (the "Registration Statement") of BlackRock FundsSM (the "Registrant") is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act solely for the purpose of delaying, until September 27, 2024, the effectiveness of the registration statement for iShares FTSE NAREIT All Equity REIT Index Fund, filed in Post-Effective Amendment No. 1213 on July 5, 2024, pursuant to paragraph (a) of Rule 485 under the Securities Act.

This Post-Effective Amendment No. 1225 incorporates by reference the information contained in Post-Effective Amendment No. 1213 to the Registrant's Registration Statement.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all the requirements for the effectiveness of this Post-Effective Amendment to its Registration Statement pursuant to Rule 485(b)(1)(iii) under the Securities Act of 1933 and has duly caused this Post-Effective Amendment to its Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York and the State of New York, on September 17, 2024.

BLACKROCK FUNDSSM (REGISTRANT)

ON BEHALF OF

ISHARES FTSE NAREIT ALL EQUITY REIT INDEX FUND

By:

/S/ JOHN M. PERLOWSKI

(John M. Perlowski,
President and Chief Executive Officer)

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment to its Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

Signature Title Date

/S/ JOHN M. PERLOWSKI

(John M. Perlowski)

Trustee, President and Chief Executive Officer

(Principal Executive Officer)

September 17, 2024

/S/ TRENT WALKER

(Trent Walker)

Chief Financial Officer

(Principal Financial and Accounting Officer)

September 17, 2024

(Christopher J. Ailman)

Trustee

SUSAN J. CARTER*

(Susan J. Carter)

Trustee

COLLETTE CHILTON*

(Collette Chilton)

Trustee

NEIL A. COTTY*

(Neil A. Cotty)

Trustee

LENA G. GOLDBERG*

(Lena G. Goldberg)

Trustee

HENRY R. KEIZER*

(Henry R. Keizer)

Trustee

CYNTHIA A. MONTGOMERY*

(Cynthia A. Montgomery)

Trustee

DONALD C. OPATRNY*

(Donald C. Opatrny)

Trustee

MARK STALNECKER*

(Mark Stalnecker)

Trustee

Signature Title Date

KENNETH L. URISH*

(Kenneth L. Urish)

Trustee

CLAIRE A. WALTON*

(Claire A. Walton)

Trustee

LORI RICHARDS*

(Lori Richards)

Trustee

ROBERT FAIRBAIRN*

(Robert Fairbairn)

Trustee

 *By:      /S/ JANEY AHN

(Janey Ahn, Attorney-In-Fact)

September 17, 2024