<SEC-DOCUMENT>0001104659-22-045017-index.html : 20220412
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<ACCEPTANCE-DATETIME>20220412145025
ACCESSION NUMBER:		0001104659-22-045017
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20220609
FILED AS OF DATE:		20220412
DATE AS OF CHANGE:		20220412

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEKLA LIFE SCIENCES INVESTORS
		CENTRAL INDEX KEY:			0000884121
		IRS NUMBER:				043147016
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06565
		FILM NUMBER:		22821963

	BUSINESS ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6177728515

	MAIL ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	H&Q LIFE SCIENCES INVESTORS
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
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Document 1 - file: tm222535d4_def14a.htm

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Document 4 - file: tm222535d4_def14aimg03.jpg

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Document 5 - file: tm222535d4_def14aimg04.jpg

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Document 6 - file: tm222535d4_def14aimg05.jpg

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Document 7 - file: tm222535d4_def14aimg06.jpg

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Document 8 - file: j2225353_aa001.jpg

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