-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Ig7GT1mWO1vOtzPHUnTlYKOg5xhus2C8jonQMnC4Rm0INKmrPPWcUNGx4da/hima
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<SEC-DOCUMENT>0001043749-10-000001.txt : 20100311
<SEC-HEADER>0001043749-10-000001.hdr.sgml : 20100311
<ACCEPTANCE-DATETIME>20100311164508
ACCESSION NUMBER:		0001043749-10-000001
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:		20100311
DATE AS OF CHANGE:		20100311
EFFECTIVENESS DATE:		20100311

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LYNX FUND I LP
		CENTRAL INDEX KEY:			0001043749
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-59795
		FILM NUMBER:		10674512

	BUSINESS ADDRESS:	
		STREET 1:		1225 17TH STREET
		STREET 2:		SUITE 2500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		303-575-8944

	MAIL ADDRESS:	
		STREET 1:		1225 17TH STREET
		STREET 2:		SUITE 2500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LYNX FUND LP
		DATE OF NAME CHANGE:	19970806
</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>0001043749</cik>
        <entityName>LYNX FUND I LP</entityName>
        <issuerAddress>
            <street1>1225 17th Street</street1>
            <street2>Suite 2500</street2>
            <city>Denver</city>
            <stateOrCountry>CO</stateOrCountry>
            <zipCode>80202</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(303) 575-9084</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>LYNX FUND LP</previousName>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>N/A</firstName>
                <lastName>Proprietary Capital, LLC</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1225 17th St.</street1>
                <street2>Suite 2500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of the Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bryan</firstName>
                <lastName>Roche</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1225 17th St.</street1>
                <street2>Suite 2500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Partner and Chief Compliance Officer the Issuer's General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Craig</firstName>
                <lastName>Cohen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1225 17th St.</street1>
                <street2>Suite 2500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Managing Partner of the Issuer's General Partner</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>0001043749-09-000004</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>1997-07-10</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>1000000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Hamilton Miller Investments, LLC</recipientName>
                <recipientCRDNumber>41896</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>5350 S. Roslyn St.</street1>
                    <city>Greenwood Village</city>
                    <stateOrCountry>CO</stateOrCountry>
                    <zipCode>80111</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MD</state>
                    <state>NY</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>Financial Group West</recipientName>
                <recipientCRDNumber>16668</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>4510 E. Thousand Oaks Blvd.</street1>
                    <city>Westlake Village</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <zipCode>91362</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MI</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>Cherry Creek Investment Advisors Inc.</recipientName>
                <recipientCRDNumber>107426</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>68 Inverness Lane East #206</street1>
                    <city>Englewood</city>
                    <stateOrCountry>CO</stateOrCountry>
                    <zipCode>80112</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CO</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>Mullins Investment Management, Inc.</recipientName>
                <recipientCRDNumber>114466</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1642 South Trenton Avenue</street1>
                    <city>Denver</city>
                    <stateOrCountry>CO</stateOrCountry>
                    <zipCode>80231</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CO</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>Shelter Bay Securities, LLC</recipientName>
                <recipientCRDNumber>131849</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>27 Tom Hanley Rd.</street1>
                    <city>Westerly</city>
                    <stateOrCountry>RI</stateOrCountry>
                    <zipCode>02891</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>PA</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>140271195</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>92</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>1399824</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>38179</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Amount shown for Finder's Fees are fee-sharing payments to registered investment advisers with respect to investments by their clients.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>LYNX FUND I LP</issuerName>
                <signatureName>/s/ Craig Cohen</signatureName>
                <nameOfSigner>Craig Cohen</nameOfSigner>
                <signatureTitle>Managing Partner of the Issuer's General Partner</signatureTitle>
                <signatureDate>2010-03-11</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----