-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001345012-10-000004.txt : 20100714
<SEC-HEADER>0001345012-10-000004.hdr.sgml : 20100714
<ACCEPTANCE-DATETIME>20100714144701
ACCESSION NUMBER:		0001345012-10-000004
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:		20100714
DATE AS OF CHANGE:		20100714
EFFECTIVENESS DATE:		20100714

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACK ASSET PARTNERS L P
		CENTRAL INDEX KEY:			0001345012
		IRS NUMBER:				203467604
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-83336
		FILM NUMBER:		10952010

	BUSINESS ADDRESS:	
		STREET 1:		2 OVERHILL ROAD
		STREET 2:		SUITE 400
		CITY:			SCARSDALE
		STATE:			NY
		ZIP:			10583
		BUSINESS PHONE:		914-220-5478

	MAIL ADDRESS:	
		STREET 1:		2 OVERHILL ROAD
		STREET 2:		SUITE 400
		CITY:			SCARSDALE
		STATE:			NY
		ZIP:			10583
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0704</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001345012</cik>
        <entityName>ACK ASSET PARTNERS L P</entityName>
        <issuerAddress>
            <street1>2 OVERHILL ROAD</street1>
            <street2>SUITE 400</street2>
            <city>SCARSDALE</city>
            <stateOrCountry>NY</stateOrCountry>
            <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
            <zipCode>10583</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>914-220-5478</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Limited Partnership</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <lastName>Reilly</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ACK Asset Management LLC</street1>
                <street2>2 Overhill Road, Suite 400</street2>
                <city>Scarsdale</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10583</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>John Reilly is a Managing Partner of ACK Asset Management LLC, the General Partner (&quot;GP&quot;) of the Issuer.</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <lastName>Meisenberg</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>ACK Asset Management LLC</street1>
                <street2>2 Overhill Road, Suite 400</street2>
                <city>Scarsdale</city>
                <stateOrCountry>NY</stateOrCountry>
                <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                <zipCode>10583</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Richard Meisenberg is a Managing Member of the GP 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>0001345012-09-000004</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2005-11-01</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>SANDERS MORRIS HARRIS INC. (&quot;SMH&quot;)</recipientName>
                <recipientCRDNumber>20580</recipientCRDNumber>
                <associatedBDName>SANDERS MORRIS HARRIS INC.</associatedBDName>
                <associatedBDCRDNumber>20580</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>600 TRAVIS, SUITE 5800</street1>
                    <city>Houston</city>
                    <stateOrCountry>TX</stateOrCountry>
                    <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                    <zipCode>77002-3003</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>130979217</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>Responses in Items #13 and #14 are estimates.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>1</numberNonAccreditedInvestors>
            <totalNumberAlreadyInvested>68</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>8000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Estimate is based upon SMH receiving a portion of the management fee and/or incentive fee from the GP and is projected over the next 12 months.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>ACK ASSET PARTNERS L P</issuerName>
                <signatureName>Richard Meisenberg</signatureName>
                <nameOfSigner>Richard Meisenberg</nameOfSigner>
                <signatureTitle>See the above Clarification Box in Item #3</signatureTitle>
                <signatureDate>2010-07-14</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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