<SEC-DOCUMENT>0001193125-20-086612.txt : 20200326
<SEC-HEADER>0001193125-20-086612.hdr.sgml : 20200326
<ACCEPTANCE-DATETIME>20200326135305
ACCESSION NUMBER:		0001193125-20-086612
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200326
DATE AS OF CHANGE:		20200326
EFFECTIVENESS DATE:		20200326

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Health Sciences Trust
		CENTRAL INDEX KEY:			0001314966
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230158
		FILM NUMBER:		20745480

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		(888) 825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d875614d497.htm
<DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST
<TEXT>
<HTML><HEAD>
<TITLE>BLACKROCK HEALTH SCIENCES TRUST</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Filed Pursuant to Rule 497(e) </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Registration File No.: <FONT STYLE="white-space:nowrap">333-230158</FONT> </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>BLACKROCK HEALTH SCIENCES TRUST </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Supplement dated March 26, 2020 to the Prospectus, </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>dated April&nbsp;29, 2019, as supplemented to date </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Prospectus of BlackRock Health Sciences Trust (the &#147;Fund&#148;), dated April&nbsp;29, 2019, as supplemented to date (the &#147;Prospectus&#148;), is
further supplemented with the following information: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On March&nbsp;25, 2020, the last reported sale price of the Fund&#146;s common shares on the NYSE,
the NAV per common share and the percentage premium to NAV were $34.98, $33.51 and 4.39%, respectively. As of March&nbsp;25, 2020, the Fund had 11,091,658 common shares outstanding and net assets of $371,652,625. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Investors should retain this supplement for future reference. </B></P>
</BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
