<SEC-DOCUMENT>0001094831-12-000022.txt : 20120508
<SEC-HEADER>0001094831-12-000022.hdr.sgml : 20120508
<ACCEPTANCE-DATETIME>20120508182929
ACCESSION NUMBER:		0001094831-12-000022
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120504
FILED AS OF DATE:		20120508
DATE AS OF CHANGE:		20120508

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LUTNICK HOWARD W
		CENTRAL INDEX KEY:			0001250975

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28191
		FILM NUMBER:		12823089

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BGC Partners, Inc.
		CENTRAL INDEX KEY:			0001094831
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY & COMMODITY BROKERS, DEALERS, EXCHANGES & SERVICES [6200]
		IRS NUMBER:				134063515
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		499 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-610-2200

	MAIL ADDRESS:	
		STREET 1:		499 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ESPEED INC
		DATE OF NAME CHANGE:	19990913
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-05-04</periodOfReport>

    <issuer>
        <issuerCik>0001094831</issuerCik>
        <issuerName>BGC Partners, Inc.</issuerName>
        <issuerTradingSymbol>BGCP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001250975</rptOwnerCik>
            <rptOwnerName>LUTNICK HOWARD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BGC PARTNERS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>499 PARK AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>BGC Holdings Exchangeable Limited Partnership Interests</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2012-05-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>34160</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.96</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A or Class B Common Stock, par value $0.01 per share</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>34160</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35786608</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>BGC Holdings Exchangeable PSU Limited Partnership Interests</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F8"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2012-05-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F8"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2449312</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F8"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2449312</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2449312</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On May 4, 2012, Cantor Fitzgerald, L.P. (&quot;CFLP&quot;) purchased from BGC Holdings, L.P. (&quot;BGC Holdings&quot;) an aggregate of 34,160 exchangeable limited partnership interests in BGC Holdings (the &quot;Interests&quot;) at a price of $3.96 per Interest in transactions exempt pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended, in accordance with the Agreement of Limited Partnership of BGC Holdings, as amended and restated as of March 31, 2008 (as further amended from time to time, the &quot;BGC Holdings Agreement&quot;).</footnote>
        <footnote id="F2">The exchange rights with respect to the Interests are exercisable at any time for shares of Class B Common Stock, par value $0.01 per share (&quot;Class B Common Stock&quot;), of BGC Partners, Inc. (&quot;BGC Partners&quot;) (or, at CFLP's option or if there are no additional authorized but unissued shares of Class B Common Stock, shares of Class A Common Stock, par value $0.01 per share (&quot;Class A Common Stock&quot;), of BGC Partners) on a one-for-one basis (subject to adjustment).  The shares of Class B Common Stock are convertible at any time on a one-for-one basis (subject to adjustment) into shares of Class A Common Stock.</footnote>
        <footnote id="F3">Includes 9,380 Interests purchased from BGC Holdings as a result of the redemption of 9,380 non-exchangeable founding partner units, at an aggregate purchase price of $37,145, and 24,780 Interests purchased from BGC Holdings as a result of the redemption of 24,780 non-exchangeable founding partner units, at an aggregate purchase price of $98,129.</footnote>
        <footnote id="F4">Does not include exchange rights with respect to an aggregate of 12,996,325 Interests assumed in previous reports to have been exercised for shares of Class A Common Stock to satisfy CFLP's deferred share distribution obligations pursuant to rights provided to certain current and former partners of CFLP on April 1, 2008 and February 14, 2012.  As of the date of this report, an aggregate of 17,473,709 shares of Class A Common Stock remain subject to CFLP's deferred share distribution obligations pursuant to rights to receive shares provided to certain current and former partners of CFLP on April 1, 2008 (15,545,606 remaining shares) and the deferral by certain partners of CFLP of receipt of shares distributed by CFLP on February 14, 2012 in connection with payment of previous quarterly CFLP distributions (1,928,103 remaining shares).</footnote>
        <footnote id="F5">As of the date of this report, the aggregate 17,473,709 remaining shares of Class A Common Stock subject to CFLP's deferred share distribution obligations are assumed to be funded with (i) 588,119 shares of Class A Common Stock acquired by CFLP upon exercise of exchange rights with respect to 588,119 Interests on May 28, 2010, (ii) 3,889,265 shares of Class A Common Stock acquired by CFLP upon exercise of exchange rights with respect to 3,889,265 Interests on May 5, 2011, and (iii) the future exercise of exchange rights with respect to 12,996,325 Interests for 12,996,325 shares of Class A Common Stock.  As of the date of this report, CFLP held an aggregate of 48,782,933 Interests.</footnote>
        <footnote id="F6">Due to a typographical error, the number of shares in Column 9 of Table II in a Form 4 filed by CFLP on March 15, 2012 was incorrectly inserted as 35,169,615 and should have been 35,752,448.</footnote>
        <footnote id="F7">CF Group Management, Inc. (&quot;CFGM&quot;) is the Managing General Partner of CFLP and the reporting person is the President and sole stockholder of CFGM.  The reporting person disclaims beneficial ownership of all such shares in excess of his pecuniary interest, if any, and this report shall not be deemed an admission that he is the beneficial owner of, or has pecuniary interest in, any such excess shares for purposes of Section 16 of the Securities Exchange Act of 1934 or for any other purpose.</footnote>
        <footnote id="F8">On May 4, 2012, the reporting person was granted 2,449,312 exchange rights with respect to 2,449,312 exchangeable PSU limited partnership interests of BGC Holdings, which were originally granted to the reporting person in 2008 and 2009 as non-exchangeable REU limited partnership interests of BGC Holdings. Of the 2,449,312 exchangeable PSU limited partnership interests of BGC Holdings, (i) 2,052,486 are immediately exchangeable by the reporting person for 2,052,486 shares of the Class A Common Stock and (ii) 396,826 are exchangeable on or after December 31, 2012 by the reporting person for 396,826 shares of the Class A Common Stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Howard W. Lutnick</signatureName>
        <signatureDate>2012-05-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
