<SEC-DOCUMENT>0001104659-22-012092-index.html : 20220204
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ACCESSION NUMBER:		0001104659-22-012092
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20220204
DATE AS OF CHANGE:		20220204
EFFECTIVENESS DATE:		20220204

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEI INSTITUTIONAL MANAGED TRUST
		CENTRAL INDEX KEY:			0000804239
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-09504
		FILM NUMBER:		22594484

	BUSINESS ADDRESS:	
		STREET 1:		2 OLIVER ST
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		8003455734

	MAIL ADDRESS:	
		STREET 1:		SEI INVESTMENTS
		STREET 2:		1 FREEDOM VALLEY DRIVE
		CITY:			OAKS
		STATE:			PA
		ZIP:			19456

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRUSTFUNDS INSTITUTIONAL MANAGED TRUST
		DATE OF NAME CHANGE:	19890509
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<SERIES>
<OWNER-CIK>0000804239
<SERIES-ID>S000006673
<SERIES-NAME>SIMT HIGH YIELD BOND FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000147389
<CLASS-CONTRACT-NAME>Class Y
<CLASS-CONTRACT-TICKER-SYMBOL>SIYYX
</CLASS-CONTRACT>
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<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>a22-1426_16497k.htm
<DESCRIPTION>497K
<TEXT>
Document 1 - file: a22-1426_16497k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>j22142616_ba001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: j22142616_ba001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>j22142616_aa001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: j22142616_aa001.jpg

</DOCUMENT>
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