<SEC-DOCUMENT>0001398344-25-018063.txt : 20250911
<SEC-HEADER>0001398344-25-018063.hdr.sgml : 20250911
<ACCEPTANCE-DATETIME>20250911165842
ACCESSION NUMBER:		0001398344-25-018063
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250910
FILED AS OF DATE:		20250911
DATE AS OF CHANGE:		20250911

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Morris Matthew
		CENTRAL INDEX KEY:			0001290188
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05150
		FILM NUMBER:		251309151

	MAIL ADDRESS:	
		STREET 1:		1905 SHARP PL
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cornerstone Strategic Investment Fund, Inc.
		CENTRAL INDEX KEY:			0000814083
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		ORGANIZATION NAME:           	
		EIN:				133407699
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		225 PICTORIA DRIVE, SUITE 450
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45246
		BUSINESS PHONE:		(513) 587-3400

	MAIL ADDRESS:	
		STREET 1:		225 PICTORIA DRIVE, SUITE 450
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45246

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNERSTONE STRATEGIC VALUE FUND INC
		DATE OF NAME CHANGE:	20090519

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNERSTONE STRATEGIC VALUE FUND INC/ NEW
		DATE OF NAME CHANGE:	20010503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CLEMENTE STRATEGIC VALUE FUND INC
		DATE OF NAME CHANGE:	19990622
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>fp0095391-1_4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-09-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000814083</issuerCik>
        <issuerName>Cornerstone Strategic Investment Fund, Inc.</issuerName>
        <issuerTradingSymbol>CLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001290188</rptOwnerCik>
            <rptOwnerName>Morris Matthew</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1905 SHARP PL</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77019</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>2025-09-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>0.7152</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.1827</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26193.113</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Matthew Morris</signatureName>
        <signatureDate>2025-09-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
