<SEC-DOCUMENT>0000936753-17-000098-index.html : 20170214
<SEC-HEADER>0000936753-17-000098.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214123755
ACCESSION NUMBER:		0000936753-17-000098
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85085
		FILM NUMBER:		17605918

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIEL INVESTMENTS, LLC
		CENTRAL INDEX KEY:			0000936753
		IRS NUMBER:				020712418
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		(312) 726-0140

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20040218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	19950202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cown.txt
<DESCRIPTION>SC13GA COWN DEC16
<TEXT>
Document 1 - file: cown.txt

</DOCUMENT>
</SEC-DOCUMENT>