<SEC-DOCUMENT>0001047469-14-008117-index.html : 20141006
<SEC-HEADER>0001047469-14-008117.hdr.sgml : 20141006
<ACCEPTANCE-DATETIME>20141006164335
ACCESSION NUMBER:		0001047469-14-008117
CONFORMED SUBMISSION TYPE:	424B2
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20141006
DATE AS OF CHANGE:		20141006

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COWEN GROUP, INC.
		CENTRAL INDEX KEY:			0001466538
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-197513
		FILM NUMBER:		141143304

	BUSINESS ADDRESS:	
		STREET 1:		599 LEXINGTON AVENUE, 20TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-845-7900

	MAIL ADDRESS:	
		STREET 1:		599 LEXINGTON AVENUE, 20TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LexingtonPark Parent Corp
		DATE OF NAME CHANGE:	20090617
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B2
<SEQUENCE>1
<FILENAME>a2221671z424b2.htm
<DESCRIPTION>424B2
<TEXT>
Document 1 - file: a2221671z424b2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g1019867.jpg
<DESCRIPTION>G1019867.JPG
<TEXT>
Document 2 - file: g1019867.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g304962.jpg
<DESCRIPTION>G304962.JPG
<TEXT>
Document 3 - file: g304962.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g493383.jpg
<DESCRIPTION>G493383.JPG
<TEXT>
Document 4 - file: g493383.jpg

</DOCUMENT>
</SEC-DOCUMENT>