-----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>0001428403-09-000004.txt : 20090514
<SEC-HEADER>0001428403-09-000004.hdr.sgml : 20090514
<ACCEPTANCE-DATETIME>20090514152333
ACCESSION NUMBER:		0001428403-09-000004
CONFORMED SUBMISSION TYPE:	D/A
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090514
DATE AS OF CHANGE:		20090514
EFFECTIVENESS DATE:		20090514

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALPHAMOSAIC (US) LLC
		CENTRAL INDEX KEY:			0001428403
		IRS NUMBER:				203804747
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-115280
		FILM NUMBER:		09826350

	BUSINESS ADDRESS:	
		STREET 1:		181 WEST MADISON STREET
		STREET 2:		34TH FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
		BUSINESS PHONE:		312-267-8400

	MAIL ADDRESS:	
		STREET 1:		181 WEST MADISON STREET
		STREET 2:		34TH FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60602
</SEC-HEADER>
<DOCUMENT>
<TYPE>D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0301</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001428403</cik>
        <entityName>ALPHAMOSAIC (US) LLC</entityName>
        <issuerAddress>
            <street1>181 WEST MADISON STREET</street1>
            <street2>34TH FLOOR</street2>
            <city>CHICAGO</city>
            <stateOrCountry>IL</stateOrCountry>
            <zipCode>60602</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>312-267-8400</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>DE</jurisdictionOfInc>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>ALEKS</firstName>
                <middleName>A.</middleName>
                <lastName>KINS</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>181 WEST MADISON STREET</street1>
                <street2>34TH FLOOR</street2>
                <city>CHICAGO</city>
                <stateOrCountry>IL</stateOrCountry>
                <zipCode>60602</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>CHIEF EXECUTIVE OFFICER OF ALPHAMETRIX, LLC, WHICH IS THE SOLE MANAGER 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>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001428403-09-000002</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2007-12-31</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isPooledInvestmentFundType>true</isPooledInvestmentFundType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>100000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>MIDAMERICA FINANCIAL SERVICES INC.</recipientName>
                <recipientCRDNumber>47351</recipientCRDNumber>
                <associatedBDName>MIDAMERICA FINANCIAL SERVICES INC.</associatedBDName>
                <associatedBDCRDNumber>47351</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1007 EAST 20TH STREET</street1>
                    <street2></street2>
                    <city>JOPLIN</city>
                    <stateOrCountry>MO</stateOrCountry>
                    <zipCode>64804</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AL</state>
                    <state>AZ</state>
                    <state>AR</state>
                    <state>CA</state>
                    <state>CO</state>
                    <state>CT</state>
                    <state>DE</state>
                    <state>DC</state>
                    <state>FL</state>
                    <state>GA</state>
                    <state>HI</state>
                    <state>ID</state>
                    <state>IL</state>
                    <state>IN</state>
                    <state>IA</state>
                    <state>KS</state>
                    <state>KY</state>
                    <state>LA</state>
                    <state>MD</state>
                    <state>MA</state>
                    <state>MI</state>
                    <state>MN</state>
                    <state>MS</state>
                    <state>MO</state>
                    <state>MT</state>
                    <state>NE</state>
                    <state>NV</state>
                    <state>NJ</state>
                    <state>NM</state>
                    <state>NY</state>
                    <state>NC</state>
                    <state>OH</state>
                    <state>OK</state>
                    <state>OR</state>
                    <state>PA</state>
                    <state>SC</state>
                    <state>SD</state>
                    <state>TN</state>
                    <state>TX</state>
                    <state>UT</state>
                    <state>VA</state>
                    <state>WA</state>
                    <state>WI</state>
                    <state>WY</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>MT. RUSHMORE SECURITIES LLC</recipientName>
                <recipientCRDNumber>130955</recipientCRDNumber>
                <associatedBDName>MT. RUSHMORE SECURITIES LLC</associatedBDName>
                <associatedBDCRDNumber>130955</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1661 HIGHWAY 1</street1>
                    <street2></street2>
                    <city>FAIRFIELD</city>
                    <stateOrCountry>IA</stateOrCountry>
                    <zipCode>52556</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AL</state>
                    <state>AK</state>
                    <state>AZ</state>
                    <state>AR</state>
                    <state>CA</state>
                    <state>CO</state>
                    <state>CT</state>
                    <state>DE</state>
                    <state>DC</state>
                    <state>FL</state>
                    <state>GA</state>
                    <state>HI</state>
                    <state>ID</state>
                    <state>IL</state>
                    <state>IN</state>
                    <state>IA</state>
                    <state>KS</state>
                    <state>KY</state>
                    <state>LA</state>
                    <state>MD</state>
                    <state>MA</state>
                    <state>MI</state>
                    <state>MN</state>
                    <state>MS</state>
                    <state>MO</state>
                    <state>MT</state>
                    <state>NE</state>
                    <state>NV</state>
                    <state>NH</state>
                    <state>NJ</state>
                    <state>NM</state>
                    <state>NY</state>
                    <state>NC</state>
                    <state>ND</state>
                    <state>OH</state>
                    <state>OK</state>
                    <state>OR</state>
                    <state>PA</state>
                    <state>RI</state>
                    <state>SC</state>
                    <state>SD</state>
                    <state>TX</state>
                    <state>UT</state>
                    <state>VT</state>
                    <state>VA</state>
                    <state>WA</state>
                    <state>WV</state>
                    <state>WI</state>
                    <state>WY</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>UHLMANN PRICE SECURITIES LLC</recipientName>
                <recipientCRDNumber>42854</recipientCRDNumber>
                <associatedBDName>UHLMANN PRICE SECURITIES LLC</associatedBDName>
                <associatedBDCRDNumber>42854</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>141 W. JACKSON BLVD.</street1>
                    <street2>SUITE 1340A</street2>
                    <city>CHICAGO</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <zipCode>60604</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AL</state>
                    <state>AK</state>
                    <state>AZ</state>
                    <state>AR</state>
                    <state>CA</state>
                    <state>CO</state>
                    <state>CT</state>
                    <state>DE</state>
                    <state>DC</state>
                    <state>FL</state>
                    <state>GA</state>
                    <state>HI</state>
                    <state>ID</state>
                    <state>IL</state>
                    <state>IN</state>
                    <state>IA</state>
                    <state>KS</state>
                    <state>KY</state>
                    <state>LA</state>
                    <state>ME</state>
                    <state>MD</state>
                    <state>MA</state>
                    <state>MI</state>
                    <state>MN</state>
                    <state>MS</state>
                    <state>MO</state>
                    <state>MT</state>
                    <state>NE</state>
                    <state>NV</state>
                    <state>NH</state>
                    <state>NJ</state>
                    <state>NM</state>
                    <state>NY</state>
                    <state>NC</state>
                    <state>ND</state>
                    <state>OH</state>
                    <state>OK</state>
                    <state>OR</state>
                    <state>PA</state>
                    <state>RI</state>
                    <state>SC</state>
                    <state>SD</state>
                    <state>TN</state>
                    <state>TX</state>
                    <state>UT</state>
                    <state>VT</state>
                    <state>VA</state>
                    <state>WA</state>
                    <state>WV</state>
                    <state>WI</state>
                    <state>WY</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>MAYMONT PARTNERS INC.</recipientName>
                <recipientCRDNumber>1205376</recipientCRDNumber>
                <associatedBDName>MAYMONT PARTNERS INC.</associatedBDName>
                <associatedBDCRDNumber>120536</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1801 LIBBIE AVENUE</street1>
                    <street2>SUITE 104</street2>
                    <city>RICHMOND</city>
                    <stateOrCountry>VA</stateOrCountry>
                    <zipCode>23226</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <state>CT</state>
                    <state>FL</state>
                    <state>GA</state>
                    <state>KY</state>
                    <state>LA</state>
                    <state>MA</state>
                    <state>NJ</state>
                    <state>NY</state>
                    <state>OH</state>
                    <state>TX</state>
                    <state>VA</state>
                </statesOfSolicitationList>
            </recipient>
            <recipient>
                <recipientName>ANDES CAPITAL GROUP LLC</recipientName>
                <recipientCRDNumber>139212</recipientCRDNumber>
                <associatedBDName>ANDES CAPITAL GROUP LLC</associatedBDName>
                <associatedBDCRDNumber>139212</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>233 S. WACKER DRIVE</street1>
                    <street2>SUITE 5400</street2>
                    <city>CHICAGO</city>
                    <stateOrCountry>IL</stateOrCountry>
                    <zipCode>60606</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <state>DC</state>
                    <state>IL</state>
                    <state>LA</state>
                    <state>MN</state>
                    <state>NJ</state>
                    <state>NY</state>
                    <state>PA</state>
                    <state>PR</state>
                    <state>VA</state>
                    <state>WA</state>
                    <state>WI</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>96469499</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>85</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>2000000</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>ALPHAMOSAIC (US) LLC</issuerName>
                <signatureName>ALEKS KINS</signatureName>
                <nameOfSigner>ALEKS KINS</nameOfSigner>
                <signatureTitle>CEO OF ALPHAMETRIX LLC, MANAGER</signatureTitle>
                <signatureDate>2009-05-14</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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