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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001047469-03-024284.txt : 20030716
<SEC-HEADER>0001047469-03-024284.hdr.sgml : 20030716
<ACCEPTANCE-DATETIME>20030716154841
ACCESSION NUMBER:		0001047469-03-024284
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20030716
EFFECTIVENESS DATE:		20030716

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARRIS ASSOCIATES INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000872323
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-38953
		FILM NUMBER:		03789364

	BUSINESS ADDRESS:	
		STREET 1:		HARRIS ASSOCIATES LP
		STREET 2:		TWO N LASALLE ST STE 500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602-3790
		BUSINESS PHONE:		8004769625

	MAIL ADDRESS:	
		STREET 1:		HARRIS ASSOCIATES LP
		STREET 2:		TWO NORTH LASALLE STREET STE 500
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602-3790
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                         SUPPLEMENT DATED JULY 16, 2003
       TO PROSPECTUS OF THE OAKMARK FAMILY OF FUNDS DATED JANUARY 29, 2003

THE OAKMARK SMALL CAP FUND - NEW CO-MANAGER
Edward A. Studzinski, C.F.A., has become co-manager of The Oakmark Small Cap
Fund with James P. Benson. Mr. Studzinski has replaced Clyde S. McGregor. Mr.
McGregor continues to manage The Oakmark Equity and Income Fund with Mr.
Studzinski. Mr. Studzinski joined the Adviser as an analyst in 1995. Previously,
Mr. Studzinski was Vice President and Investment Officer at Mercantile National
Bank of Indiana. He holds an M.B.A. in Marketing and Finance from Northwestern
University (1985), a J.D. from Duke University (1974), and an A.B. in History
from Boston College (1971).


THE OAKMARK FAMILY OF FUNDS - NEW ADDRESS
Effective June 1, 2003, the address for The Oakmark Family of Funds has changed
to:

     FOR MAIL:                                FOR EXPRESS DELIVERY OR COURIER:
        The Oakmark Funds                        The Oakmark Funds
        P.O. Box 219558                          330 West 9th Street
        Kansas City, MO 64121-9558               Kansas City, MO 64105-1514

                                                                    SUPPJULY03

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