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    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001616765</cik>
        <entityName>Sentinel Private Investment Proxy Fund</entityName>
        <issuerAddress>
            <street1>2001 KIRBY DRIVE</street1>
            <street2>SUITE 1200</street2>
            <city>HOUSTON</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>77019</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(713) 529-3729</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Business Trust</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
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            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Sentinel Trust Company, L.B.A.</lastName>
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                <street2>Suite 1200</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Trustee of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>A.</middleName>
                <lastName>Bristol, Jr.</lastName>
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                <street2>Suite 1200</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Vice Chairman, Principal and Director of the Managing Trustee</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>D.</firstName>
                <middleName>Fort</middleName>
                <lastName>Flowers</lastName>
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            <relatedPersonAddress>
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                <street2>Suite 1200</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Chairman of the Board of the Managing Trustee</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lissa</firstName>
                <lastName>Gangjee</lastName>
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                <city>Houston</city>
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                <zipCode>77019</zipCode>
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                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and CEO, Director of the Managing Trustee</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Manual</firstName>
                <lastName>Mehos</lastName>
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                <zipCode>77019</zipCode>
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            <relatedPersonRelationshipList>
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        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Lisa</firstName>
                <lastName>Prast</lastName>
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                <zipCode>77019</zipCode>
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            <relatedPersonRelationshipList>
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            </relatedPersonRelationshipList>
            <relationshipClarification>Director of the Managing Trustee</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName>R.</middleName>
                <lastName>Cruse</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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                <zipCode>77019</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director of the Managing Trustee</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephanie</firstName>
                <lastName>Donaho</lastName>
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            <relatedPersonAddress>
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                <zipCode>77019</zipCode>
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        <relatedPersonInfo>
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                <firstName>Richard</firstName>
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                <lastName>Flowers</lastName>
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                <zipCode>77019</zipCode>
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            <relationshipClarification>Director of the Managing Trustee</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Walter</firstName>
                <lastName>Muller III</lastName>
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                <zipCode>77019</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mark</firstName>
                <lastName>Sparano</lastName>
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                <zipCode>77019</zipCode>
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            <relatedPersonRelationshipList>
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            </relatedPersonRelationshipList>
            <relationshipClarification>Director of the Managing Trustee</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Anne-Lise</firstName>
                <lastName>Wiegand</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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            <relatedPersonRelationshipList>
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            <relationshipClarification>CFO &amp; Managing Director</relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Todd</firstName>
                <lastName>Burchett</lastName>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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            <relationshipClarification>CIO &amp; Managing Director</relationshipClarification>
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    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Hedge Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <aggregateNetAssetValueRange>Decline to Disclose</aggregateNetAssetValueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001144204-14-050912</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-01-04</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>476365418</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>84</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
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                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Sentinel Private Investment Proxy Fund</issuerName>
                <signatureName>/s/ Anne-Lise A. Wiegand</signatureName>
                <nameOfSigner>Anne-Lise A. Wiegand</nameOfSigner>
                <signatureTitle>Managing Director &amp; CFO of Managing Trustee of the Issuer</signatureTitle>
                <signatureDate>2022-09-12</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
