<SEC-DOCUMENT>0001193125-20-156664.txt : 20200601
<SEC-HEADER>0001193125-20-156664.hdr.sgml : 20200601
<ACCEPTANCE-DATETIME>20200601090503
ACCESSION NUMBER:		0001193125-20-156664
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200601
DATE AS OF CHANGE:		20200601
EFFECTIVENESS DATE:		20200601

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:		20931220

	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>d904225d497.htm
<DESCRIPTION>BLACKROCK HEALTH SCIENCES TRUST
<TEXT>
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<TITLE>BLACKROCK HEALTH SCIENCES TRUST</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right">Filed Pursuant to Rule 497(e) <BR>Registration File No.: 333-230158 </P>
<P STYLE="margin-top:0pt; 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 June&nbsp;1, 2020 to the </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Prospectus dated April&nbsp;29, 2020 </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This
supplement amends certain information in the Prospectus, dated April&nbsp;29, 2020, of BlackRock Health Sciences Trust (the &#147;Fund&#148;). Unless otherwise indicated, all other information included in the Prospectus that is not inconsistent with
the information set forth in this supplement remains unchanged. Capitalized terms not otherwise defined in this supplement have the same meanings as in the Prospectus. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Effective immediately, the following changes are made to the Prospectus: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>The third paragraph and table in the section entitled &#147;Item 9. Management &#151; 1&#148; in Part I of the Prospectus are deleted in their entirety and
replaced with the following: </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Fund is managed by a team of investment professionals comprised of Erin Xie, PhD, MBA, Managing Director at
BlackRock, Kyle G. McClements, CFA, Managing Director at BlackRock, Christopher Accettella, Director at BlackRock, Xiang Liu, Director at BlackRock and Jeffrey Lee, Vice President at BlackRock. Messrs. Accettella, Lee, Liu and McClements and
Ms.&nbsp;Xie are the Fund&#146;s portfolio managers and are responsible for the <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">day-to-day</FONT></FONT> management of the Fund&#146;s portfolio and the selection of its investments.
</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Portfolio&nbsp;Manager</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Since</B></TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"><B>Title and Recent Biography</B></TD></TR>


<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Erin Xie, PhD, MBA</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">2005</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Managing Director of BlackRock since 2006; Director of BlackRock from 2005 to 2006; Senior Vice President of State Street Research&nbsp;&amp; Management from 2001 to 2005.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Kyle G. McClements, CFA</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">2005</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Managing Director of BlackRock since 2009; Director of BlackRock from 2006 to 2008; Vice President of BlackRock, Inc. in 2005; Vice President of State Street Research&nbsp;&amp; Management
from 2004 to 2005.</TD></TR>
<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Christopher Accettella</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">2012</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Director of BlackRock since 2008; Vice President of BlackRock, Inc. from 2005 to 2008.</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Xiang Liu</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">2020</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Director of BlackRock, Inc. since 2016; Vice President of BlackRock, Inc. from 2008 to 2016.</TD></TR>
<TR BGCOLOR="#d8d8d8" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Jeffrey Lee</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center" STYLE="BORDER-BOTTOM:1px solid #000000">2020</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">Vice President of BlackRock, Inc. since 2011; Analyst of Duquesne Capital Management from 2008 to 2010.</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Investors should retain this supplement for future reference. </B></P>
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