<SEC-DOCUMENT>0001466538-18-000033-index.html : 20180323
<SEC-HEADER>0001466538-18-000033.hdr.sgml : 20180323
<ACCEPTANCE-DATETIME>20180322173141
ACCESSION NUMBER:		0001466538-18-000033
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180323
DATE AS OF CHANGE:		20180322

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34516
		FILM NUMBER:		18707779

	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>10-K/A
<SEQUENCE>1
<FILENAME>a10k-a123117.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: a10k-a123117.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>cownex23110k-a2017.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: cownex23110k-a2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>cownex23210k-a2017.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: cownex23210k-a2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>4
<FILENAME>cownex31110k-a2017.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 4 - file: cownex31110k-a2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>5
<FILENAME>cownex31210k-a2017.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 5 - file: cownex31210k-a2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>6
<FILENAME>cownex3210k-a2017.htm
<DESCRIPTION>EXHIBIT 32
<TEXT>
Document 6 - file: cownex3210k-a2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>7
<FILENAME>cownex99110ka2017.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 7 - file: cownex99110ka2017.htm

</DOCUMENT>
</SEC-DOCUMENT>