<SEC-DOCUMENT>0001104659-15-042819-index.html : 20150602
<SEC-HEADER>0001104659-15-042819.hdr.sgml : 20150602
<ACCEPTANCE-DATETIME>20150602134933
ACCESSION NUMBER:		0001104659-15-042819
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20150331
FILED AS OF DATE:		20150602
DATE AS OF CHANGE:		20150602
EFFECTIVENESS DATE:		20150602

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:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04889
		FILM NUMBER:		15906289

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>a15-10309_2ncsrs.htm
<DESCRIPTION>N-CSRS
<TEXT>
Document 1 - file: a15-10309_2ncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>a15-10309_2ex99dcert.htm
<DESCRIPTION>EX-99.CERT
<TEXT>
Document 2 - file: a15-10309_2ex99dcert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>a15-10309_2ex99d906cert.htm
<DESCRIPTION>EX-99.906CERT
<TEXT>
Document 3 - file: a15-10309_2ex99d906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>j15103091_ba011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: j15103091_ba011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>j15103091_ba012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: j15103091_ba012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>j15103091_ba013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: j15103091_ba013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>j15103091_aa010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: j15103091_aa010.jpg

</DOCUMENT>
</SEC-DOCUMENT>