As filed with the Securities and Exchange Commission on February 12, 2020

1933 Act Registration No. 33-38953

1940 Act Registration No. 811-06279

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. o

Post-Effective Amendment No. 61 x

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940

Amendment No. 63 x

(Check appropriate box or boxes)

HARRIS ASSOCIATES INVESTMENT TRUST

(Exact Name of Registrant as Specified in Charter)

111 S. Wacker Drive, Suite 4600

Chicago, Illinois 60606-4319

(Address of Principal Executive Offices)

Registrant’s Telephone Number, including Area Code: (312) 646-3600

Rana J. Wright

Harris Associates L.P.

111 S. Wacker Drive, Suite 4600

Chicago, Illinois 60606

(Name and Address of Agent for Service)

With copies to:

Ndenisarya M. Bregasi, Esq.

K&L Gates LLP

1601 K Street, N.W.

Washington, D.C. 20006-1600

Approximate Date of Proposed Public Offering: Continuous

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

x immediately upon filing pursuant to paragraph (b)

o on pursuant to paragraph (b)

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

o on pursuant to paragraph (a)(1)

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

o on pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

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

This amendment is being filed solely to submit in interactive data format exhibits containing risk/return summary information that is identical to the risk/return summary information contained in the Registrant’s prospectus for the following classes of the following funds, which was filed with the Securities and Exchange Commission in Post-Effective Amendment No. 60 to the Registrant’s registration statement on January 27, 2020:

Investor Class, Advisor Class, Institutional Class and Service Class Shares of Oakmark Fund, Oakmark Select Fund, Oakmark Equity and Income Fund, Oakmark Global Fund, Oakmark Global Select Fund, Oakmark International Fund and Oakmark International Small Cap Fund.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended (the “1933 Act”), and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirement for effectiveness of this registration statement under rule 485(b) under the 1933 Act and has duly caused this Post-Effective Amendment No. 61 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Chicago and State of Illinois on February 12, 2020.

	HARRIS ASSOCIATES INVESTMENT TRUST

	By:	/s/ Kristi L. Rowsell
	Name:	Kristi L. Rowsell
	Title:	President

Pursuant to the requirements of the 1933 Act, Post-Effective Amendment No. 61 has been signed below by the following persons in the capacities indicated below on February 12, 2020.

Signature		Title

/s/ Thomas H. Hayden		Trustee
Thomas H. Hayden*

/s/ Hugh T. Hurley, III		Trustee
Hugh T. Hurley, III*

/s/ Patricia Louie		Trustee
Patricia Louie*

/s/ Christine M. Maki		Trustee
Christine M. Maki*

/s/Laurence C. Morse, Ph.D		Trustee
Laurence C. Morse, Ph.D*

/s/ Mindy M. Posoff		Trustee
Mindy M. Posoff*

/s/ Allan J. Reich		Trustee and Chair of the Board of Trustees
Allan J. Reich*

/s/ Steven S. Rogers		Trustee
Steven S. Rogers*

/s/ Kristi L. Rowsell		Trustee and President (Principal Executive Officer)
Kristi L. Rowsell

/s/ Zachary D. Weber		Principal Financial Officer
Zachary D. Weber

* By:	/s/ Kristi L. Rowsell
	Kristi L. Rowsell

*Attorney in Fact, pursuant to a power of attorney, filed with Post-Effective Amendment No. 60 to the Registrant’s Registration Statement on Form N-1A, File No. 33-38953, on January 27, 2020.

EXHIBIT INDEX

Exhibit Number		Description

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