<SEC-DOCUMENT>0001104659-24-046549.txt : 20240412
<SEC-HEADER>0001104659-24-046549.hdr.sgml : 20240412
<ACCEPTANCE-DATETIME>20240412092048
ACCESSION NUMBER:		0001104659-24-046549
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240409
FILED AS OF DATE:		20240412
DATE AS OF CHANGE:		20240412

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Goetz Kathleen
		CENTRAL INDEX KEY:			0001896369
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06565
		FILM NUMBER:		24840146

	MAIL ADDRESS:	
		STREET 1:		1310 OAK VALLEY CIRCLE
		CITY:			POLK CITY
		STATE:			IA
		ZIP:			50226

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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<TYPE>4
<SEQUENCE>1
<FILENAME>tm2411545-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-04-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000884121</issuerCik>
        <issuerName>abrdn Life Sciences Investors</issuerName>
        <issuerTradingSymbol>HQL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001896369</rptOwnerCik>
            <rptOwnerName>Goetz Kathleen</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-04-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.3183</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1085.308</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

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

    <ownerSignature>
        <signatureName>/s/ Katherine Corey, by POA from Kathleen Goetz</signatureName>
        <signatureDate>2024-04-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2411545d2_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
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<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

<P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Exhibit 24</B></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">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;&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&nbsp;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&nbsp;16(a)&nbsp;of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), or any
rule&nbsp;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;&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&nbsp;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., abrdn Investments Limited, abrdn Asia Limited or their affiliates, for which the undersigned becomes a
Section&nbsp;16 reporting person (each, a&quot;Fund&quot;), Forms 3, 4 and 5 in accordance with Section&nbsp;16(a)&nbsp;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;&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&nbsp;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;&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. 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&nbsp;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">IN WITNESS WHEREOF, the
undersigned has caused this Power of Attorney to be executed as of this 26th day of October&nbsp;2023.</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: 5%; 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: 45%; font-size: 10pt"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kathleen Goetz</FONT></TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name: </FONT></TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kathleen Goetz</FONT></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>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1.&nbsp;&nbsp;&nbsp;ABRDN
AUSTRALIA EQUITY FUND,&nbsp;INC. (IAF)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">2.&nbsp;&nbsp;&nbsp;ABRDN
ASIA-PACIFIC INCOME FUND,&nbsp;INC. (FAX)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">3.&nbsp;&nbsp;&nbsp;ABRDN
GLOBAL INCOME FUND,&nbsp;INC. (FCO)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4.&nbsp;&nbsp;&nbsp;ABRDN
EMERGING MARKETS EQUITY INCOME FUND,&nbsp;INC. (AEF)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">5.&nbsp;&nbsp;&nbsp;THE
INDIA FUND,&nbsp;INC. (IFN)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">6.&nbsp;&nbsp;&nbsp;ABRDN
JAPAN EQUITY FUND,&nbsp;INC. (JEQ)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">7.&nbsp;&nbsp;&nbsp;FIRST
TRUST/ABRDN GLOBAL OPPORTUNITY INCOME FUND (FAM)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">8.&nbsp;&nbsp;&nbsp;ABRDN
INCOME CREDIT STRATEGIES FUND (ACP)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">9.&nbsp;&nbsp;&nbsp;ABRDN ASIA-PACIFIC INCOME INVESTMENT COMPANY LIMITED (FAP)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">10. ABRDN GLOBAL PREMIER PROPERTIES FUND (AWP)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">11. ABRDN GLOBAL DYNAMIC DIVIDEND FUND (AGD)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">12. ABRDN TOTAL DYNAMIC DIVIDEND FUND (AOD)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">13. ABRDN GLOBAL INFRASTRUCTURE FUND (ASGI)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">14 &nbsp;ABRDN NATIONAL MUNICIPAL INCOME FUND (VFL)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">15. ABRDN HEALTHCARE INVESTORS (HQH)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">16. ABRDN LIFE SCIENCES INVESTORS (HQL&nbsp;)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">17. ABRDN HEALTHCARE OPPORTUNITIES FUND (THQ)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">18. ABRDN WORLD HEALTHCARE FUND (THW)</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">INDIVIDUALS APPOINTED AS ATTORNEY-IN-FACT,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">WITH FULL POWER OF SUBSTITUTION AND RESUBSTITUTION</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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lucia
Sitar</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Megan
Kennedy</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Katherine
Corey</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Andrew
Kim</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>

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