<SEC-DOCUMENT>0001104659-21-096698-index.html : 20210728
<SEC-HEADER>0001104659-21-096698.hdr.sgml : 20210728
<ACCEPTANCE-DATETIME>20210728093012
ACCESSION NUMBER:		0001104659-21-096698
CONFORMED SUBMISSION TYPE:	40-17G
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210728
DATE AS OF CHANGE:		20210728
EFFECTIVENESS DATE:		20210728

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEKLA HEALTHCARE INVESTORS
		CENTRAL INDEX KEY:			0000805267
		IRS NUMBER:				046564285
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		40-17G
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04889
		FILM NUMBER:		211120036

	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 HEALTHCARE INVESTORS
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tekla Healthcare Opportunities Fund
		CENTRAL INDEX KEY:			0001604522
		IRS NUMBER:				465317248
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		40-17G
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-22955
		FILM NUMBER:		211120038

	BUSINESS ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-772-8500

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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Tekla Healthcare Growth & Income Fund
		DATE OF NAME CHANGE:	20140402

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tekla World Healthcare Fund
		CENTRAL INDEX KEY:			0001635977
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA

	FILING VALUES:
		FORM TYPE:		40-17G
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-23037
		FILM NUMBER:		211120037

	BUSINESS ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		(617) 772-8515

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

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:		40-17G
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06565
		FILM NUMBER:		211120039

	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>40-17G
<SEQUENCE>1
<FILENAME>tm2123229d1_4017g.htm
<DESCRIPTION>40-17G
<TEXT>
Document 1 - file: tm2123229d1_4017g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm2123229d1_4017gimg001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm2123229d1_4017gimg001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2123229d1_4017gimg002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2123229d1_4017gimg002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2123229d1_4017gimg003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2123229d1_4017gimg003.gif

</DOCUMENT>
</SEC-DOCUMENT>