<SEC-DOCUMENT>0001047469-14-007993-index.html : 20141001
<SEC-HEADER>0001047469-14-007993.hdr.sgml : 20141001
<ACCEPTANCE-DATETIME>20141001082535
ACCESSION NUMBER:		0001047469-14-007993
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20141001
DATE AS OF CHANGE:		20141001

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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-197513
		FILM NUMBER:		141131320

	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>424B5
<SEQUENCE>1
<FILENAME>a2221507z424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: a2221507z424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g286693.jpg
<DESCRIPTION>G286693.JPG
<TEXT>
Document 2 - file: g286693.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g885934.jpg
<DESCRIPTION>G885934.JPG
<TEXT>
Document 3 - file: g885934.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g1019867.jpg
<DESCRIPTION>G1019867.JPG
<TEXT>
Document 4 - file: g1019867.jpg

</DOCUMENT>
</SEC-DOCUMENT>