<SEC-DOCUMENT>0001410368-15-001390-index.html : 20151125
<SEC-HEADER>0001410368-15-001390.hdr.sgml : 20151125
<ACCEPTANCE-DATETIME>20151125120243
ACCESSION NUMBER:		0001410368-15-001390
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20150930
FILED AS OF DATE:		20151125
DATE AS OF CHANGE:		20151125
EFFECTIVENESS DATE:		20151125

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06279
		FILM NUMBER:		151255103

	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>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007555
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002759
<SERIES-NAME>Oakmark Select Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007556
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007557
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARLX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002760
<SERIES-NAME>Oakmark Equity and Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007558
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007559
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARBX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002761
<SERIES-NAME>Oakmark Global Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007560
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007561
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARGX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000002762
<SERIES-NAME>Oakmark International Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007562
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007563
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARIX
</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>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007565
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OAREX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000872323
<SERIES-ID>S000013607
<SERIES-NAME>Oakmark Global Select Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000036890
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>OAKWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000036891
<CLASS-CONTRACT-NAME>Class II
<CLASS-CONTRACT-TICKER-SYMBOL>OARWX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NSAR-B
<SEQUENCE>1
<FILENAME>oakmarkfund.fil
<TEXT>
Document 1 - file: oakmarkfund.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>ex77b.txt
<TEXT>
Document 2 - file: ex77b.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>ex77o.txt
<TEXT>
Document 3 - file: ex77o.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>4
<FILENAME>ex77o2.txt
<TEXT>
Document 4 - file: ex77o2.txt

</DOCUMENT>
</SEC-DOCUMENT>