<SEC-DOCUMENT>0001752724-19-050478-index.html : 20190530
<SEC-HEADER>0001752724-19-050478.hdr.sgml : 20190530
<ACCEPTANCE-DATETIME>20190529211034
ACCESSION NUMBER:		0001752724-19-050478
CONFORMED SUBMISSION TYPE:	NPORT-EX
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190331
FILED AS OF DATE:		20190530

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MORGAN STANLEY INSTITUTIONAL FUND INC
		CENTRAL INDEX KEY:			0000836487
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NPORT-EX
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05624
		FILM NUMBER:		19864140

	BUSINESS ADDRESS:	
		STREET 1:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		800-548-7786

	MAIL ADDRESS:	
		STREET 1:		522 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY DEAN WITTER INSTITUTIONAL FUND INC
		DATE OF NAME CHANGE:	19990329

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY INSTITUTIONAL FUND INC
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000836487
<SERIES-ID>S000051832
<SERIES-NAME>Asia Opportunity Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000163120
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>MSAQX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000163121
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>MSAUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000163122
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>MSAWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000163123
<CLASS-CONTRACT-NAME>Class IS
<CLASS-CONTRACT-TICKER-SYMBOL>MSAYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
<MULTI-ACCESSION-NUMBERS>
ACCESSION NUMBER:		0001752724-19-039778
</MULTI-ACCESSION-NUMBERS>
</SEC-HEADER>
<DOCUMENT>
<TYPE>NPORT-EX
<SEQUENCE>1
<FILENAME>NPORT_910060894803607.htm
<TEXT>
Document 1 - file: NPORT_910060894803607.htm

</DOCUMENT>
</SEC-DOCUMENT>