<SEC-DOCUMENT>0002011106-24-000001.txt : 20240315
<SEC-HEADER>0002011106-24-000001.hdr.sgml : 20240315
<ACCEPTANCE-DATETIME>20240315121636
ACCESSION NUMBER:		0002011106-24-000001
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20240315
DATE AS OF CHANGE:		20240315
EFFECTIVENESS DATE:		20240315

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Stonepeak Infrastructure Fund V - Master Co-Investment Partners LP
		CENTRAL INDEX KEY:			0002011106
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-507725
		FILM NUMBER:		24753405

	BUSINESS ADDRESS:	
		STREET 1:		55 HUDSON YARDS
		STREET 2:		550 WEST 34TH STREET, 48TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001
		BUSINESS PHONE:		(212) 907-5100

	MAIL ADDRESS:	
		STREET 1:		55 HUDSON YARDS
		STREET 2:		550 WEST 34TH STREET, 48TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10001
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0002011106</cik>
        <entityName>Stonepeak Infrastructure Fund V - Master Co-Investment Partners LP</entityName>
        <issuerAddress>
            <street1>55 HUDSON YARDS</street1>
            <street2>550 WEST 34TH STREET, 48TH FLOOR</street2>
            <city>NEW YORK</city>
            <stateOrCountry>NY</stateOrCountry>
            <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
            <zipCode>10001</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(212) 907-5100</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2024</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Stonepeak Associates V LP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>The general partner of the Issuer (the &quot;GP&quot;)</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Stonepeak GP Investors V LP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>The General Partner of the GP (the &quot;GP of the GP&quot;)</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Stonepeak GP Investors Holdings LP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>The General Partner of the GP of the GP</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Stonepeak GP Investors Upper Holdings LP</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>The general partner of Stonepeak GP Investors Holdings LP</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Stonepeak GP Investors Holdings Manager LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>The general partner of Stonepeak GP Investors Upper Holdings LP</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Dorrell</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Adrienne</firstName>
                <lastName>Saunders</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Peter</firstName>
                <lastName>Bruce</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>55 Hudson Yards</street1>
                <street2>550 West 34th Street, 48th Floor</street2>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10001</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Pooled Investment Fund</industryGroupType>
            <investmentFundInfo>
                <investmentFundType>Private Equity Fund</investmentFundType>
                <is40Act>false</is40Act>
            </investmentFundInfo>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <yetToOccur>true</yetToOccur>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>0</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>0</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <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>Stonepeak Infrastructure Fund V - Master Co-Investment Partners LP</issuerName>
                <signatureName>/s/ Adrienne Saunders</signatureName>
                <nameOfSigner>Adrienne Saunders</nameOfSigner>
                <signatureTitle>Sr Managing Director, General Counsel and CCO of the GP</signatureTitle>
                <signatureDate>2024-03-15</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
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</DOCUMENT>
</SEC-DOCUMENT>