<SEC-DOCUMENT>0001466538-17-000140-index.html : 20171201
<SEC-HEADER>0001466538-17-000140.hdr.sgml : 20171201
<ACCEPTANCE-DATETIME>20171201083021
ACCESSION NUMBER:		0001466538-17-000140
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20171201
DATE AS OF CHANGE:		20171201

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COWEN 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:		S-3/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-221496
		FILM NUMBER:		171232759

	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:	COWEN GROUP, INC.
		DATE OF NAME CHANGE:	20091102

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LexingtonPark Parent Corp
		DATE OF NAME CHANGE:	20090617
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3/A
<SEQUENCE>1
<FILENAME>cowenincs-3anovember2017xv4.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: cowenincs-3anovember2017xv4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>pwcconsentcoweninc1130.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: pwcconsentcoweninc1130.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>pwcconsentstarboard1130.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: pwcconsentstarboard1130.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>4
<FILENAME>cowen-sx3xexhibit232xernst.htm
<DESCRIPTION>EXHIBIT 23.3
<TEXT>
Document 4 - file: cowen-sx3xexhibit232xernst.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.4
<SEQUENCE>5
<FILENAME>starboardconsent.htm
<DESCRIPTION>EXHIBIT 23.4
<TEXT>
Document 5 - file: starboardconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>cowenincs3anovember20_image1.jpg
<TEXT>
Document 6 - file: cowenincs3anovember20_image1.jpg

</DOCUMENT>
</SEC-DOCUMENT>