As filed with the U.S. Securities and Exchange Commission on October 1, 2018

Securities Act File No. 333-92935

Investment Company Act File No. 811-09729

UNITED STATES

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. 1,975	☒

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 1,975	☒

(Check appropriate box or boxes)

iShares Trust

(Exact Name of Registrant as Specified in Charter)

c/o State Street Bank and Trust Company

1 Lincoln Street, Mail Stop SUM0703

Boston, MA 02111

(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. WILLKIE FARR & GALLAGHER LLP 787 SEVENTH AVENUE NEW YORK, NY 10019-6099 DEEPA DAMRE, ESQ. BLACKROCK FUND ADVISORS 400 HOWARD STREET SAN FRANCISCO, CA 94105

Continuous

(October 1, 2018)

It is proposed that this filing will become effective:

☒ immediately upon filing pursuant to paragraph (b)

☐ on (date) 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.

This filing relates solely to the following Fund, a series of iShares Trust:

iShares iBonds Dec 2028 Term Corporate ETF

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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) under the Securities Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 1,975 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 28^th day of September, 2018.

iSHARES TRUST

By:
	Martin Small*
	President
	Date: September 28, 2018

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 1,975 to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated.

Mark K. Wiedman*

Trustee

Date: September 28, 2018

John E. Martinez*

Trustee

Date: September 28, 2018

Cecilia H. Herbert*

Trustee

Date: September 28, 2018

Charles A. Hurty*

Trustee

Date: September 28, 2018

John E. Kerrigan*

Trustee

Date: September 28, 2018

Robert S. Kapito*

Trustee

Date: September 28, 2018

Madhav V. Rajan*

Trustee

Date: September 28, 2018

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Jane D. Carlin*

Trustee

Date: September 28, 2018

Drew E. Lawton**

Trustee

Date: September 28, 2018

Richard L. Fagnani**

Trustee

Date: September 28, 2018

/s/ Jack Gee

Jack Gee*

Treasurer and Chief Financial Officer

Date: September 28, 2018

/s/ Jack Gee

* By: Jack Gee

Attorney-in-fact

Date: September 28, 2018

* Powers of Attorney, each dated October 15, 2016, for Martin Small, Jane D. Carlin, Mark Wiedman, Charles A. Hurty, Cecilia H. Herbert, John E. Kerrigan, John E. Martinez, Madhav V. Rajan, Robert S. Kapito and Jack Gee are incorporated herein by reference to Post-Effective Amendment No. 1,690, filed October 31, 2016.

** Powers of Attorney, each dated June 21, 2017, for Drew E. Lawton and Richard L. Fagnani are incorporated herein by reference to Post-Effective Amendment No. 1,771, filed on June 27, 2017.

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EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase

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