<SEC-DOCUMENT>0001085146-16-004909-index.html : 20161214
<SEC-HEADER>0001085146-16-004909.hdr.sgml : 20161214
<ACCEPTANCE-DATETIME>20161213203639
ACCESSION NUMBER:		0001085146-16-004909
CONFORMED SUBMISSION TYPE:	13F-HR/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160930
FILED AS OF DATE:		20161214
DATE AS OF CHANGE:		20161213
EFFECTIVENESS DATE:		20161214

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:		13F-HR/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-14571
		FILM NUMBER:		162050165

	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>13F-HR/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>form13fInfoTable.xml
<DESCRIPTION>DESCRIPTION FOR INFORMATION TABLE
<TEXT>
Document 2 - file: form13fInfoTable.html

Document 2 - RAW XML: form13fInfoTable.xml

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</SEC-DOCUMENT>