<SEC-DOCUMENT>0001104659-23-043911-index.html : 20230411
<SEC-HEADER>0001104659-23-043911.hdr.sgml : 20230411
<ACCEPTANCE-DATETIME>20230411121305
ACCESSION NUMBER:		0001104659-23-043911
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20230608
FILED AS OF DATE:		20230411
DATE AS OF CHANGE:		20230411

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:		23812847

	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: tm233915d4_def14a.htm

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Document 3 - file: j2339153_aa001.jpg

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Document 4 - file: tm233915d4_coverimg001.jpg

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Document 5 - file: tm233915d4_def14aimg03.jpg

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Document 6 - file: tm233915d4_def14aimg04.jpg

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Document 7 - file: tm233915d4_def14aimg05.jpg

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Document 8 - file: tm233915d4_def14aimg06.jpg

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Document 9 - file: tm233915d4_defa14aimg001.jpg

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Document 10 - file: tm233915d4_defa14aimg002.jpg

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