-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ED+PPZ/1BW3xNt6Z2HIzGiWDceOGnqim/Y7ayV3cFocDFbRc5IQzQf4XsZUPCpYk
 dwkVrBKOEp1PSHGbFvO63Q==

<SEC-DOCUMENT>0001104659-09-061956.txt : 20091102
<SEC-HEADER>0001104659-09-061956.hdr.sgml : 20091102
<ACCEPTANCE-DATETIME>20091102211044
ACCESSION NUMBER:		0001104659-09-061956
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091102
FILED AS OF DATE:		20091102
DATE AS OF CHANGE:		20091102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Spezzotti Edoardo
		CENTRAL INDEX KEY:			0001475840

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34516
		FILM NUMBER:		091152524

	MAIL ADDRESS:	
		STREET 1:		3 HANS STREET
		STREET 2:		HANS HOUSE
		CITY:			LONDON
		STATE:			X0
		ZIP:			SW1X0JA

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COWEN GROUP, INC.
		CENTRAL INDEX KEY:			0001466538
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		1221 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		(646) 562-1000

	MAIL ADDRESS:	
		STREET 1:		1221 AVENUE OF THE AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LexingtonPark Parent Corp
		DATE OF NAME CHANGE:	20090617
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>a3.xml
<DESCRIPTION>3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-11-02</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001466538</issuerCik>
        <issuerName>COWEN GROUP, INC.</issuerName>
        <issuerTradingSymbol>COWN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001475840</rptOwnerCik>
            <rptOwnerName>Spezzotti Edoardo</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COWEN GROUP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>599 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <remarks>The Reporting Person was appointed as a director of the Issuer on November 2, 2009 in connection with the closing of the transactions (the &quot;Transactions&quot;) contemplated by the Transaction Agreement and Agreement and Plan of Merger, dated as of June 3, 2009, by and among Cowen Holdings, Inc. (f/k/a Cowen Group, Inc.), Cowen Group, Inc. (f/k/a LexingtonPark Parent Corp.), Lexington Merger Corp., Ramius LLC (f/k/a Park Exchange LLC) and RCG Holdings, LLC (f/k/a Ramius LLC).  The Reporting Person is a Senior Executive Vice President of UniCredit Group, which became a shareholder of the Issuer upon the closing of the Transactions and certain other transactions related thereto.  The Reporting Person disclaims beneficial ownership of any securities of the Issuer held by UniCredit Group.</remarks>

    <ownerSignature>
        <signatureName>/s/ Edoardo Spezzotti</signatureName>
        <signatureDate>2009-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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