<SEC-DOCUMENT>0001104659-25-026159.txt : 20250320
<SEC-HEADER>0001104659-25-026159.hdr.sgml : 20250320
<ACCEPTANCE-DATETIME>20250320162248
ACCESSION NUMBER:		0001104659-25-026159
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250311
FILED AS OF DATE:		20250320
DATE AS OF CHANGE:		20250320

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Marsico Michael
		CENTRAL INDEX KEY:			0001907551
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04889
		FILM NUMBER:		25756759

	MAIL ADDRESS:	
		STREET 1:		C/O ABRDN
		STREET 2:		1900 MARKET STREET, SUITE 200
		CITY:			PHILDADELPHIA
		STATE:			PA
		ZIP:			19103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			abrdn Healthcare Investors
		CENTRAL INDEX KEY:			0000805267
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		ORGANIZATION NAME:           	
		IRS NUMBER:				046564285
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		1900 MARKET STREET
		STREET 2:		SUITE 200
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		6177728515

	MAIL ADDRESS:	
		STREET 1:		1900 MARKET STREET
		STREET 2:		SUITE 200
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TEKLA HEALTHCARE INVESTORS
		DATE OF NAME CHANGE:	20141015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	H&Q HEALTHCARE INVESTORS
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<TYPE>3
<SEQUENCE>1
<FILENAME>tm259812-10_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-03-11</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000805267</issuerCik>
        <issuerName>abrdn Healthcare Investors</issuerName>
        <issuerTradingSymbol>HQH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001907551</rptOwnerCik>
            <rptOwnerName>Marsico Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRDN</rptOwnerStreet1>
            <rptOwnerStreet2>1900 MARKET STREET, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>Exhibit List: Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Lucia Sitar by POA from Reporting Person</signatureName>
        <signatureDate>2025-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm259812d10_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="text-align: right; margin: 0"><B>Exhibit 24</B></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">POWER OF ATTORNEY</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Know all by these presents, that the undersigned hereby constitutes
and appoints the individuals named on Schedule A attached hereto and as may be amended from time to time, or any of them signing singly,
with full power of substitution and resubstitution, as the undersigned's true and lawful attorneys-in-fact to:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;as may be required, prepare,
execute in the undersigned's name and on the undersigned's behalf, and submit to the United States Securities and Exchange Commission
(the &quot;SEC&quot;) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords
enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the Securities Exchange Act
of 1934, as amended (the &quot;Exchange Act&quot;), or any rule or regulation of the SEC;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execute for and on behalf
of the undersigned, in the undersigned's capacity as a reporting person pursuant to Section 16 of the Exchange Act, and the rules thereunder
of the applicable registered investment companies (and any successor companies) listed on Schedule A attached hereto, as amended from
time to time, and any other registered investment company affiliated with or established by abrdn Inc., Aberdeen Asset Managers Limited,
abrdn Asia Limited or their affiliates, for which the undersigned becomes a Section 16 reporting person (each, a &quot;Fund&quot;), Forms
3, 4 and 5 in accordance with Section 16(a) of the Exchange Act;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;do and perform any and
all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute any such Form 3, 4 or 5 and
timely file such form with the SEC and any stock exchange or similar authority; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;take any other action
of any type whatsoever in connection with the foregoing that, in the opinion of any of such attorneys-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by any of such attorneys-in-fact
on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as
any of such attorneys-in-fact may approve in the discretion of any of such attorneys-in-fact.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the
exercise of any rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation, hereby ratifying and confirming all that any of such
attorneys-in-fact, or the substitute or substitutes of any of such attorneys-in-fact, shall lawfully do or cause to be done by
virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is any Fund assuming, any of
the undersigned's responsibilities to comply with Section 16 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities
issued by any Fund, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 24th day of January 2022.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Signature:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 42%; font-size: 10pt"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Michael Marsico</FONT></TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>

<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt; width: 5%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: </FONT></TD>
    <TD STYLE="font-size: 10pt; width: 45%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Michael Marsico</FONT></TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
  </TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SCHEDULE A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">FUND NAME AND TICKER SYMBOL</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.35in; text-align: left">1.</TD><TD STYLE="text-align: justify">ABERDEEN AUSTRALIA EQUITY FUND, INC. (IAF)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">2.</TD><TD STYLE="text-align: justify">ABERDEEN ASIA-PACIFIC INCOME FUND, INC. (FAX)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">3.</TD><TD STYLE="text-align: justify">ABERDEEN GLOBAL INCOME FUND, INC. (FCO)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">4.</TD><TD STYLE="text-align: justify">ABERDEEN EMERGING MARKETS EQUITY INCOME FUND, INC. (AEF)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">5.</TD><TD STYLE="text-align: justify">THE INDIA FUND, INC. (IFN)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">6.</TD><TD STYLE="text-align: justify">ABERDEEN JAPAN EQUITY FUND, INC. (JEQ)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">7.</TD><TD STYLE="text-align: justify">FIRST TRUST/ABERDEEN GLOBAL OPPORTUNITY INCOME FUND (FAM)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">8.</TD><TD STYLE="text-align: justify">FIRST TRUST/ABERDEEN EMERGING OPPORTUNITY FUND (FEO)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">9.</TD><TD STYLE="text-align: justify">ABERDEEN INCOME CREDIT STRATEGIES FUND (ACP)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">10.</TD><TD STYLE="text-align: justify">ABERDEEN ASIA-PACIFIC INCOME INVESTMENT COMPANY LIMITED (FAP)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">11.</TD><TD STYLE="text-align: justify">ABERDEEN GLOBAL PREMIER PROPERTIES FUND (AWP)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">12.</TD><TD STYLE="text-align: justify">ABERDEEN GLOBAL DYNAMIC DIVIDEND FUND (AGD)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">13.</TD><TD STYLE="text-align: justify">ABERDEEN TOTAL DYNAMIC DIVIDEND FUND (AOD)</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">14.</TD><TD STYLE="text-align: justify">ABERDEEN STANDARD GLOBAL INFRASTRUCTURE INCOME FUND (ASGI)</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">INDIVIDUALS APPOINTED AS ATTORNEY-IN-FACT, WITH FULL POWER OF
SUBSTITUTION AND RESUBSTITUTION</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 0.35in; text-align: left">1.</TD><TD STYLE="text-align: justify">Jennifer Nichols</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">2.</TD><TD STYLE="text-align: justify">Lucia Sitar</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">3.</TD><TD STYLE="text-align: justify">Megan Kennedy</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">4.</TD><TD STYLE="text-align: justify">Alan Goodson</TD>
</TR>
<TR STYLE="vertical-align: top; text-align: justify">
<TD></TD><TD STYLE="text-align: left">5.</TD><TD STYLE="text-align: justify">Katherine Corey</TD>
</TR></TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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</SEC-DOCUMENT>
