As filed with the Securities and Exchange Commission November 9, 2023

File Nos. 333-92935 and 811-09729

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	☒
Post-Effective Amendment No. 2,685	☒
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 2,685	☒

(Check appropriate box or boxes)

iShares Trust

(Exact Name of Registrant as Specified in Charter)

c/o BlackRock Fund Advisors

400 Howard Street

San Francisco, CA 94105

(Address of Principal Executive Office)(Zip Code)

Registrant’s Telephone Number, including Area Code: (415) 670-2000

The Corporation Trust Company

1209 Orange Street

Wilmington, DE 19801

(Name and Address of Agent for Service)

With Copies to:

MARGERY K. NEALE, ESQ. BENJAMIN J. HASKIN, ESQ. ANNE C. CHOE, ESQ. WILLKIE FARR &
GALLAGHER LLP 787 SEVENTH AVENUE NEW YORK, NY 10019-6099 MARISA ROLLAND, ESQ. BLACKROCK FUND ADVISORS 400 HOWARD STREET SAN FRANCISCO, CA 94105

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

☐ Immediately upon filing pursuant to paragraph (b)

☒ On December 8, 2023, 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)

If appropriate, check the following box:

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

Explanatory Note

This Post-Effective Amendment No. 2,685 to the Registrant’s Registration Statement on Form N-1A is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 of the Securities Act of 1933, as amended (the “1933 Act”), solely for the purpose of delaying, until December 8, 2023, the effectiveness of the registration statement for the iShares ESG Aware ICE-HIP Muni Bond ETF (the “Fund”), filed in
Post-Effective  Amendment No. 2,590 on September 30, 2022, pursuant to paragraph (a) of Rule 485 of the 1933 Act.

The effectiveness of the Registration Statement of the Fund was previously delayed pursuant to paragraph (b)(1)(iii) of Rule 485 of the 1933 Act as follows:

PEA No.	Date Filed	Automatic Effective Date
2,604	December 13, 2022	January 12, 2023
2,611	January 11, 2023	February 10, 2023
2,617	February 9, 2023	March 3, 2023
2,623	March 2, 2023	March 31, 2023
2,627	March 30, 2023	April 28, 2023
2,634	April 27, 2023	May 26, 2023
2,642	May 25, 2023	June 23, 2023
2,654	June 22, 2023	July 21, 2023
2,659	July 20, 2023	August 18, 2023
2,664	August 17, 2023	September 15, 2023
2,670	September 14, 2023	October 13, 2023
2,678	October 12, 2023	November 10, 2023

This Post-Effective Amendment No. 2,685 incorporates by reference the information contained in Parts A, B and C of Post-Effective Amendment No. 2,590.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all the requirements for the effectiveness of this Registration Statement pursuant to Rule 485(b)(1)(iii) of the Securities Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 2,685 to the Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of San Francisco and the State of California on the 9^th day of November, 2023.

iSHARES TRUST 

By:
	Dominik Rohé*
	President
	Date: November 9, 2023

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 2,685 to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated.

By:
	Salim Ramji*
	Trustee
	Date: November 9, 2023
	John E. Martinez*
	Trustee
	Date: November 9, 2023
	Cecilia H. Herbert*
	Trustee
	Date: November 9, 2023
	John E. Kerrigan*
	Trustee
	Date: November 9, 2023
	Robert S. Kapito*
	Trustee
	Date: November 9, 2023

	Madhav V. Rajan*
	Trustee
	Date: November 9, 2023
	Jane D. Carlin*
	Trustee
	Date: November 9, 2023
	Drew E. Lawton*
	Trustee
	Date: November 9, 2023
	Richard L. Fagnani*
	Trustee
	Date: November 9, 2023
	/s/ Trent W. Walker
	Trent W. Walker*
	Treasurer and Chief Financial Officer
	Date: November 9, 2023
*By:	/s/ Trent W. Walker
	Trent W. Walker
	Attorney-in-fact
	Date: November 9, 2023

* Powers of Attorney, each dated March 30, 2023, for Dominik Rohé, Salim Ramji, Jane D. Carlin, Cecilia H. Herbert, John E. Kerrigan, John E. Martinez, Madhav V. Rajan, Robert S. Kapito, Drew E. Lawton, Richard L. Fagnani and Trent W. Walker are incorporated herein by reference to Post-Effective Amendment No. 2,632, filed March 31, 2023.