-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Dbg8XSuIeD08x13Zkhr7ycl9Gc7IXcToM1loiJjsDU3EhKpt3TypX+BC76yWkrrd
 Ztz+X3gELnabx2gC2ySmTw==

<SEC-DOCUMENT>0000833101-09-000004.txt : 20091009
<SEC-HEADER>0000833101-09-000004.hdr.sgml : 20091009
<ACCEPTANCE-DATETIME>20091009150927
ACCESSION NUMBER:		0000833101-09-000004
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)(1)
FILED AS OF DATE:		20091009
DATE AS OF CHANGE:		20091009
EFFECTIVENESS DATE:		20091009

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HAMPSHIRE INSTITUTIONAL FUND LP
		CENTRAL INDEX KEY:			0000833101
		IRS NUMBER:				133421677
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-83310-1N
		FILM NUMBER:		091113966

	BUSINESS ADDRESS:	
		STREET 1:		220 EAST 42ND STREET, 32ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		(212) 476-5555

	MAIL ADDRESS:	
		STREET 1:		220 EAST 42ND STREET, 32ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000833101</cik>
        <entityName>HAMPSHIRE INSTITUTIONAL FUND LP</entityName>
        <issuerAddress>
            <street1>220 EAST 42ND STREET, 32ND FLOOR</street1>
            <city>NEW YORK</city>
            <stateOrCountry>NY</stateOrCountry>
            <zipCode>10017</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(212) 476-5555</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <middleName>J.</middleName>
                <lastName>OBrien</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>220 E 42nd Street, 32nd Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10017</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Thomas J. OBrien acts in the capacity of Chief Financial Officer of Sage Advisors, LLC, the General Partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Stein</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>220 E 42nd Street, 32nd Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10017</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Michael Stein acts in the capacity of a President of Sage Advisors, LLC, the General Partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>William</firstName>
                <middleName>E.</middleName>
                <lastName>Aaron</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>220 E 42nd Street, 32nd Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10017</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>William E. Aaron acts in the capacity of a President of Sage Advisors, LLC, the General Partner of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>David</firstName>
                <middleName>E.</middleName>
                <lastName>Aaron</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>220 E 42nd Street, 32nd Floor</street1>
                <city>New York</city>
                <stateOrCountry>NY</stateOrCountry>
                <zipCode>10017</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>David E. Aaron acts in the capacity of an executive vice-president of Sage Advisors, LLC, the General Partner of the Issuer.</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.1</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>9999999997-04-032600</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>1988-07-01</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Neuberger Berman LLC</recipientName>
                <recipientCRDNumber>2908</recipientCRDNumber>
                <associatedBDName>Neuberger Berman LLC</associatedBDName>
                <associatedBDCRDNumber>2908</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>605 Third Avenue</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <zipCode>10158</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>SINCLAIR and COMPANY, LLC</recipientName>
                <recipientCRDNumber>133754</recipientCRDNumber>
                <associatedBDName>SINCLAIR and COMPANY, LLC</associatedBDName>
                <associatedBDCRDNumber>133754</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>30 Old Kings Highway South</street1>
                    <city>Darien</city>
                    <stateOrCountry>CT</stateOrCountry>
                    <zipCode>06820</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AL</state>
                    <state>CA</state>
                    <state>CT</state>
                    <state>FL</state>
                    <state>IL</state>
                    <state>NJ</state>
                    <state>NY</state>
                    <state>PA</state>
                    <state>WA</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>79258925</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>140</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>50000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>The estimate is based upon either the placement agent being compensated for its activities by receiving a percentage (generally between 10-30%) of the average
annual Management Fee (which ranges from 1.0%-1.25% of the Funds average net assets).</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse>EXPLANATION CONTINUATION FROM ITEM# 15...
Such fees are estimated from the inception of the Fund through the following 12 months.</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>HAMPSHIRE INSTITUTIONAL FUND LP</issuerName>
                <signatureName>Thomas J. OBrien</signatureName>
                <nameOfSigner>Thomas J. OBrien</nameOfSigner>
                <signatureTitle>See the Clarification Box in Item #3 above</signatureTitle>
                <signatureDate>2009-10-09</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----