-----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>0001395603-09-000020.txt : 20090904
<SEC-HEADER>0001395603-09-000020.hdr.sgml : 20090904
<ACCEPTANCE-DATETIME>20090904095314
ACCESSION NUMBER:		0001395603-09-000020
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20090904
DATE AS OF CHANGE:		20090904
EFFECTIVENESS DATE:		20090904

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IBG LLC
		CENTRAL INDEX KEY:			0001395603
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			CT

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-101841
		FILM NUMBER:		091054992

	BUSINESS ADDRESS:	
		STREET 1:		1 Pickwick Plaza
		CITY:			Greenwich
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036185800

	MAIL ADDRESS:	
		STREET 1:		1 Pickwick Plaza
		CITY:			Greenwich
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0502</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001395603</cik>
        <entityName>IBG LLC</entityName>
        <issuerAddress>
            <street1>1 PICKWICK PLAZA</street1>
            <city>GREENWICH</city>
            <stateOrCountry>CT</stateOrCountry>
            <zipCode>06830</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(203) 618-5800</issuerPhoneNumber>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <jurisdictionOfInc>CONNECTICUT</jurisdictionOfInc>
        <entityType>Limited Liability Company</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Thomas</firstName>
                <middleName></middleName>
                <lastName>Peterffy</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>One Pickwick Plaza</street1>
                <city>Greenwich</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06830</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chairman and Chief Executive Officer of IBG LLC</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bradford</firstName>
                <middleName>L.</middleName>
                <lastName>Jacobowitz</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1 Pickwick Plaza</street1>
                <city>Greenwich</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06830</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Associate General Counsel, IBG LLC</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Paul</firstName>
                <middleName>J.</middleName>
                <lastName>Brody</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>1 Pickwick Plaza</street1>
                <city>Greenwich</city>
                <stateOrCountry>CT</stateOrCountry>
                <zipCode>06830</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Treasurer, IBG LLC</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other Banking and Financial Services</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-08-24</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>10000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>None</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Interactive Brokers LLC</associatedBDName>
                <associatedBDCRDNumber>36418</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>1 Pickwick Plaza</street1>
                    <city>Greenwich</city>
                    <stateOrCountry>CT</stateOrCountry>
                    <zipCode>06830</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>AL</state>
                    <state>AZ</state>
                    <state>AR</state>
                    <state>CA</state>
                    <state>CO</state>
                    <state>CT</state>
                    <state>FL</state>
                    <state>GA</state>
                    <state>ID</state>
                    <state>IL</state>
                    <state>IN</state>
                    <state>IA</state>
                    <state>KS</state>
                    <state>ME</state>
                    <state>MD</state>
                    <state>MA</state>
                    <state>MI</state>
                    <state>MN</state>
                    <state>MO</state>
                    <state>NV</state>
                    <state>NH</state>
                    <state>NJ</state>
                    <state>NM</state>
                    <state>NY</state>
                    <state>NC</state>
                    <state>OH</state>
                    <state>OR</state>
                    <state>PA</state>
                    <state>SC</state>
                    <state>TN</state>
                    <state>TX</state>
                    <state>VT</state>
                    <state>VA</state>
                    <state>WA</state>
                    <state>WI</state>
                    <state>WY</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>42918000</totalOfferingAmount>
            <totalAmountSold>42918000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>247</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>42918</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>The purchasers paid a commission of $1 per $1,000 principal amount of Notes to Interactive Brokers LLC, The Issuers' broker-dealer affiliate.  Beacuse the commission was not an expense to the Issuer, it has not been included in the total line above.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>42918000</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse>Subordinated loans to IBG LLC's broker-dealer subsidiaries</clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>true</authorizedRepresentative>
            <signature>
                <issuerName>IBG LLC</issuerName>
                <signatureName>/s/ Bradford L. Jacobowitz</signatureName>
                <nameOfSigner>Bradford L. Jacobowitz</nameOfSigner>
                <signatureTitle>Associate General Counsel, IBG LLC</signatureTitle>
                <signatureDate>2009-09-04</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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