<SEC-DOCUMENT>0000000000-15-025173-index.html : 20150708
<SEC-HEADER>0000000000-15-025173.hdr.sgml : 20150708
<ACCEPTANCE-DATETIME>20150507165537
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000000000-15-025173
CONFORMED SUBMISSION TYPE:	UPLOAD
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150507

FILED FOR:		

	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:		UPLOAD

	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
PUBLIC REFERENCE ACCESSION NUMBER:		0001193125-15-167730 [HTML]
</SEC-HEADER>
<DOCUMENT>
<TYPE>LETTER
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>