<SEC-DOCUMENT>0001104659-16-160127-index.html : 20161201
<SEC-HEADER>0001104659-16-160127.hdr.sgml : 20161201
<ACCEPTANCE-DATETIME>20161201162336
ACCESSION NUMBER:		0001104659-16-160127
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20160930
FILED AS OF DATE:		20161201
DATE AS OF CHANGE:		20161201
EFFECTIVENESS DATE:		20161201

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-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04889
		FILM NUMBER:		162028567

	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>
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<TYPE>N-CSR
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<FILENAME>a16-19173_1ncsr.htm
<DESCRIPTION>N-CSR
<TEXT>
Document 1 - file: a16-19173_1ncsr.htm

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<DOCUMENT>
<TYPE>EX-99.CODEETH
<SEQUENCE>2
<FILENAME>a16-19173_1ex99dcodeeth.htm
<DESCRIPTION>EX-99.CODEETH
<TEXT>
Document 2 - file: a16-19173_1ex99dcodeeth.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>3
<FILENAME>a16-19173_1ex99dcert.htm
<DESCRIPTION>EX-99.CERT
<TEXT>
Document 3 - file: a16-19173_1ex99dcert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.SECTION 19(A)
<SEQUENCE>4
<FILENAME>a16-19173_1ex99dsection19a.htm
<DESCRIPTION>EX-99.SECTION 19(A)
<TEXT>
Document 4 - file: a16-19173_1ex99dsection19a.htm

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<DOCUMENT>
<TYPE>EX-99.906CERT
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<FILENAME>a16-19173_1ex99d906cert.htm
<DESCRIPTION>EX-99.906CERT
<TEXT>
Document 5 - file: a16-19173_1ex99d906cert.htm

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<FILENAME>j16191732_aa001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: j16191732_aa001.jpg

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<FILENAME>j16191732_ba001.jpg
<DESCRIPTION>GRAPHIC
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Document 7 - file: j16191732_ba001.jpg

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Document 8 - file: j16191732_ba002.jpg

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Document 9 - file: j16191732_ba003.jpg

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Document 10 - file: j16191732_ba004.jpg

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Document 11 - file: j16191732_ba005.jpg

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Document 12 - file: j16191732_ba006.jpg

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<SEQUENCE>13
<FILENAME>j16191732_ba007.jpg
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<TEXT>
Document 13 - file: j16191732_ba007.jpg

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