<SEC-DOCUMENT>0001104659-23-086096-index.html : 20230801
<SEC-HEADER>0001104659-23-086096.hdr.sgml : 20230801
<ACCEPTANCE-DATETIME>20230801085936
ACCESSION NUMBER:		0001104659-23-086096
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20230801
DATE AS OF CHANGE:		20230801
EFFECTIVENESS DATE:		20230801

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HARRIS ASSOCIATES INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000872323
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-38953
		FILM NUMBER:		231129816

	BUSINESS ADDRESS:	
		STREET 1:		HARRIS ASSOCIATES LP
		STREET 2:		111 S. WACKER DRIVE, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		8004769625

	MAIL ADDRESS:	
		STREET 1:		HARRIS ASSOCIATES LP
		STREET 2:		111 S. WACKER DRIVE, SUITE 4600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002758
<SERIES-NAME>Oakmark Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007554
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174795
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174796
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225884
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002759
<SERIES-NAME>Oakmark Select Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007556
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174797
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174798
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225885
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZLX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002760
<SERIES-NAME>Oakmark Equity and Income Fund
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<CLASS-CONTRACT-ID>C000007558
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174799
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYBX
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<CLASS-CONTRACT-ID>C000174800
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANBX
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<CLASS-CONTRACT-ID>C000225886
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZBX
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<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002761
<SERIES-NAME>Oakmark Global Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007560
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174801
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174802
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225887
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZGX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002762
<SERIES-NAME>Oakmark International Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007562
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174803
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174804
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYIX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225888
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002763
<SERIES-NAME>Oakmark International Small Cap Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007564
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174805
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174806
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANEX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225889
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZEX
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<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000013607
<SERIES-NAME>Oakmark Global Select Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000036890
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKWX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174807
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYWX
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<CLASS-CONTRACT-ID>C000174808
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANWX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225890
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZWX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000068760
<SERIES-NAME>Oakmark Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000219731
<CLASS-CONTRACT-NAME>Advisor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAYCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000219732
<CLASS-CONTRACT-NAME>Institutional Class
<CLASS-CONTRACT-TICKER-SYMBOL>OANCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000225891
<CLASS-CONTRACT-NAME>R6 Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAZCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235267
<CLASS-CONTRACT-NAME>Investor Class
<CLASS-CONTRACT-TICKER-SYMBOL>OAKCX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>a23-21628_1497.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: a23-21628_1497.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>j23216281_cc007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: j23216281_cc007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>j23216281_cc009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: j23216281_cc009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>j23216281_cc008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: j23216281_cc008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>j23216281_cc006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: j23216281_cc006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>j23216281_da011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: j23216281_da011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>j23216281_ac001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: j23216281_ac001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>j23216281_ca005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: j23216281_ca005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>j23216281_ca002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: j23216281_ca002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>j23216281_da010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: j23216281_da010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>j23216281_ca003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: j23216281_ca003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>j23216281_ca004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: j23216281_ca004.jpg

</DOCUMENT>
</SEC-DOCUMENT>