<SEC-DOCUMENT>0001104659-21-152532-index.html : 20211222
<SEC-HEADER>0001104659-21-152532.hdr.sgml : 20211222
<ACCEPTANCE-DATETIME>20211222133616
ACCESSION NUMBER:		0001104659-21-152532
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20211222
DATE AS OF CHANGE:		20211222
EFFECTIVENESS DATE:		20211222

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:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-195326
		FILM NUMBER:		211512644

	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>
<DOCUMENT>
<TYPE>POS EX
<SEQUENCE>1
<FILENAME>tm2134557d2_posex.htm
<DESCRIPTION>POS EX
<TEXT>
Document 1 - file: tm2134557d2_posex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(XIX)
<SEQUENCE>2
<FILENAME>tm2120071d2_ex99axix.htm
<DESCRIPTION>EXHIBIT 99.(A)(XIX)
<TEXT>
Document 2 - file: tm2120071d2_ex99axix.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(N)(II)
<SEQUENCE>3
<FILENAME>tm2120071d2_ex99nii.htm
<DESCRIPTION>EXHIBIT 99.(N)(II)
<TEXT>
Document 3 - file: tm2120071d2_ex99nii.htm

</DOCUMENT>
</SEC-DOCUMENT>