<SEC-DOCUMENT>0001193125-16-564666-index.html : 20160429
<SEC-HEADER>0001193125-16-564666.hdr.sgml : 20160429
<ACCEPTANCE-DATETIME>20160428184008
ACCESSION NUMBER:		0001193125-16-564666
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20160429
DATE AS OF CHANGE:		20160428

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KCG Holdings, Inc.
		CENTRAL INDEX KEY:			0001569391
		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 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87533
		FILM NUMBER:		161601777

	BUSINESS ADDRESS:	
		STREET 1:		545 WASHINGTON BOULEVARD
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07310
		BUSINESS PHONE:		201-222-9400

	MAIL ADDRESS:	
		STREET 1:		545 WASHINGTON BOULEVARD
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07310

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Knight Holdco, Inc.
		DATE OF NAME CHANGE:	20130211

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tierney Daniel
		CENTRAL INDEX KEY:			0001580557

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		KCG HOLDINGS, INC.
		STREET 2:		545 WASHINGTON BLVD.
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07310
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d188467dsc13da.htm
<DESCRIPTION>AMENDMENT NO. 13 TO SCHEDULE 13D
<TEXT>
Document 1 - file: d188467dsc13da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d188467dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: d188467dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>d188467dex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: d188467dex992.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>4
<FILENAME>d188467dex993.htm
<DESCRIPTION>EX-99.3
<TEXT>
Document 4 - file: d188467dex993.htm

</DOCUMENT>
</SEC-DOCUMENT>