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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999997-05-020031.txt : 20050421
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ACCESSION NUMBER:		9999999997-05-020031
CONFORMED SUBMISSION TYPE:	REGDEX/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		
FILED AS OF DATE:		20050415
DATE AS OF CHANGE:		20050421
EFFECTIVENESS DATE:		20050415

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JANUS INSTITUTIONAL AGGRESSIVE GROWTH PORTFOLIO
		CENTRAL INDEX KEY:			0001073880
		IRS NUMBER:				000000000

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		SEC ACT:		1934 Act
		SEC FILE NUMBER:	021-44576
		FILM NUMBER:		05051487

	BUSINESS ADDRESS:	
		STREET 1:		100 FILLMORE ST
		CITY:			DENVER
		STATE:			CO
		ZIP:			80206-4928
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