<SEC-DOCUMENT>0001104659-25-026158.txt : 20250320
<SEC-HEADER>0001104659-25-026158.hdr.sgml : 20250320
<ACCEPTANCE-DATETIME>20250320162212
ACCESSION NUMBER:		0001104659-25-026158
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:	811-06565
		FILM NUMBER:		25756753

	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 Life Sciences Investors
		CENTRAL INDEX KEY:			0000884121
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		ORGANIZATION NAME:           	
		IRS NUMBER:				043147016
		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 LIFE SCIENCES INVESTORS
		DATE OF NAME CHANGE:	20141015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	H&Q LIFE SCIENCES INVESTORS
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
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<DESCRIPTION>OWNERSHIP DOCUMENT
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<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

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

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000884121</issuerCik>
        <issuerName>abrdn Life Sciences Investors</issuerName>
        <issuerTradingSymbol>HQL</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>tm259812d9_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
<HTML>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

<P STYLE="margin: 0; text-align: right"><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 "SEC") 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 "Exchange Act"), 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 "Fund"), 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 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">
  <TD STYLE="width: 8%">Signature:</TD>
  <TD STYLE="border-bottom: Black 1pt solid; width: 42%">/s/ Michael Marsico</TD>
  <TD STYLE="padding-bottom: 1pt; width: 50%">&nbsp;</TD></TR>

<TR STYLE="vertical-align: top">
  <TD>Name:</TD>
  <TD>Michael Marsico</TD>
  <TD>&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: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.4in">1.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN AUSTRALIA EQUITY FUND, INC. (IAF)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">2.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN ASIA-PACIFIC INCOME FUND, INC. (FAX)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">3.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN GLOBAL INCOME FUND, INC. (FCO)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">4.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN EMERGING MARKETS EQUITY INCOME FUND, INC. (AEF)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">5.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">THE INDIA FUND, INC. (IFN)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">6.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN JAPAN EQUITY FUND, INC. (JEQ)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">7.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">FIRST TRUST/ABERDEEN GLOBAL OPPORTUNITY INCOME FUND (FAM)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">8.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">FIRST TRUST/ABERDEEN EMERGING OPPORTUNITY FUND (FEO)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">9.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN INCOME CREDIT STRATEGIES FUND (ACP)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">10.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN ASIA-PACIFIC INCOME INVESTMENT COMPANY LIMITED (FAP)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">11.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN GLOBAL PREMIER PROPERTIES FUND (AWP)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">12.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN GLOBAL DYNAMIC DIVIDEND FUND (AGD)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">13.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">ABERDEEN TOTAL DYNAMIC DIVIDEND FUND (AOD)</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">14.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">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: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; width: 0.4in">1.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Jennifer Nichols</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">2.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Lucia Sitar</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">3.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Megan Kennedy</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">4.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Alan Goodson</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">5.</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Katherine Corey</TD></TR>
  </TABLE>


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

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