-----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,
 GgH1ePP/kF2yFwHDJyKU+LeEIAFP56jvuCAxHmiq4tLR8tIHfXz7lrg/YPmpCP9c
 kLPZGMCvrevXorUY/L8e1A==

<SEC-DOCUMENT>0001043749-11-000001.txt : 20110314
<SEC-HEADER>0001043749-11-000001.hdr.sgml : 20110314
<ACCEPTANCE-DATETIME>20110314153423
ACCESSION NUMBER:		0001043749-11-000001
CONFORMED SUBMISSION TYPE:	D
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:		20110314
DATE AS OF CHANGE:		20110314
EFFECTIVENESS DATE:		20110314

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
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-156663
		FILM NUMBER:		11685407

	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
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001043749</cik>
        <entityName>LYNX FUND I LP</entityName>
        <issuerAddress>
            <street1>1225 17TH STREET</street1>
            <street2>SUITE 1500</street2>
            <city>DENVER</city>
            <stateOrCountry>CO</stateOrCountry>
            <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
            <zipCode>80202</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>303-575-8944</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 Street</street1>
                <street2>Suite 1500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Partner of Issuer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bryan</firstName>
                <lastName>Roche</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1225 17th Street</street1>
                <street2>Suite 1500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Principal of Issuer's General Partner</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Craig</firstName>
                <lastName>Cohen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1225 17th Street</street1>
                <street2>Suite 1500</street2>
                <city>Denver</city>
                <stateOrCountry>CO</stateOrCountry>
                <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                <zipCode>80202</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Principal of 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>false</isAmendment>
            </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>Cherry Creek Investment Advisors</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>215 St. Paul Street</street1>
                    <street2>Suite 205</street2>
                    <city>Denver</city>
                    <stateOrCountry>CO</stateOrCountry>
                    <stateOrCountryDescription>COLORADO</stateOrCountryDescription>
                    <zipCode>80206</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MD</state>
                    <description>MARYLAND</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Financial West Group</recipientName>
                <recipientCRDNumber>16668</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>2663 Townsgate Road</street1>
                    <city>Westlake Village</city>
                    <stateOrCountry>CA</stateOrCountry>
                    <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                    <zipCode>91361</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MI</state>
                    <description>MICHIGAN</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Shelter Bay Securities LLC</recipientName>
                <recipientCRDNumber>131849</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>27 Tom Harvey Road</street1>
                    <city>Westerly</city>
                    <stateOrCountry>RI</stateOrCountry>
                    <stateOrCountryDescription>RHODE ISLAND</stateOrCountryDescription>
                    <zipCode>02891</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>PA</state>
                    <description>PENNSYLVANIA</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>138133715</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>93</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>133641</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></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</signatureTitle>
                <signatureDate>2011-03-11</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----