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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 ft0WQ6TfRImCfkbdGN460Q==

<SEC-DOCUMENT>0001221903-10-000006.txt : 20100304
<SEC-HEADER>0001221903-10-000006.hdr.sgml : 20100304
<ACCEPTANCE-DATETIME>20100304135827
ACCESSION NUMBER:		0001221903-10-000006
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
ITEM INFORMATION:		Investment Company Act Section 3(c)
ITEM INFORMATION:		Section 3(c)(7)
FILED AS OF DATE:		20100304
DATE AS OF CHANGE:		20100304
EFFECTIVENESS DATE:		20100304

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GROSVENOR INSTITUTIONAL PARTNERS LP
		CENTRAL INDEX KEY:			0001175875
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-44779
		FILM NUMBER:		10656644

	BUSINESS ADDRESS:	
		STREET 1:		C/O GROSVENOR CAPITAL MANAGEMENT LP
		STREET 2:		900 NORTH MICHIGAN AVENUE, SUITE 1100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611
		BUSINESS PHONE:		312 506 6500

	MAIL ADDRESS:	
		STREET 1:		C/O GROSVENOR CAPITAL MANAGEMENT, L.P.
		STREET 2:		900 NORTH MICHIGAN AVENUE, SUITE 1100
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001175875</cik>
        <entityName>GROSVENOR INSTITUTIONAL PARTNERS LP</entityName>
        <issuerAddress>
            <street1>c/o Grosvenor Capital Management, L.P.</street1>
            <street2>900 North Michigan Avenue, Suite 1100</street2>
            <city>CHICAGO</city>
            <stateOrCountry>IL</stateOrCountry>
            <zipCode>60611</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>312-506-6500</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
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        <entityType>Limited Partnership</entityType>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>n/a</firstName>
                <lastName>Grosvenor Capital Management, L.P. (&quot;Grosvenor&quot;)</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>900 North Michigan Avenue</street1>
                <street2>Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>n/a</firstName>
                <lastName>GCM, L.L.C. (&quot;GCM&quot;)</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>900 North Michigan Avenue</street1>
                <street2>Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Sole General Partner of Grosvenor</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>n/a</firstName>
                <lastName>Grosvenor Holdings, L.L.C.</lastName>
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                <street1>900 North Michigan Avenue</street1>
                <street2>Suite 1100</street2>
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                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
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            <relatedPersonName>
                <firstName>Eric</firstName>
                <middleName>A.</middleName>
                <lastName>Felton</lastName>
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            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <middleName>A.</middleName>
                <lastName>Meister</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <middleName>J.</middleName>
                <lastName>Sacks</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Brian</firstName>
                <middleName>A.</middleName>
                <lastName>Wolf</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joseph</firstName>
                <middleName>D.</middleName>
                <lastName>Gutman</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>S.</middleName>
                <lastName>Richter</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Joseph</firstName>
                <middleName>H.</middleName>
                <lastName>Nesler</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>B.</middleName>
                <lastName>Small</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Grosvenor Capital Management, L.P.</street1>
                <street2>900 North Michigan Avenue, Suite 1100</street2>
                <city>Chicago</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60611</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification></relationshipClarification>
        </relatedPersonInfo>
    </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>06</item>
            <item>3C</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001175875-09-000003</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2000-01-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>5000000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>6414981002</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>440</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>GROSVENOR INSTITUTIONAL PARTNERS LP</issuerName>
                <signatureName>Paul A. Meister</signatureName>
                <nameOfSigner>Paul A. Meister</nameOfSigner>
                <signatureTitle>Chief Operating Officer of Grosvenor Capital Management, LP</signatureTitle>
                <signatureDate>2010-03-04</signatureDate>
            </signature>
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    </offeringData>
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-----END PRIVACY-ENHANCED MESSAGE-----