<SEC-DOCUMENT>0001193125-15-394772-index.html : 20151204
<SEC-HEADER>0001193125-15-394772.hdr.sgml : 20151204
<ACCEPTANCE-DATETIME>20151204063208
ACCESSION NUMBER:		0001193125-15-394772
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20151203
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20151204
DATE AS OF CHANGE:		20151204

FILER:

	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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-54991
		FILM NUMBER:		151268805

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d90305d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: d90305d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>d90305dex31.htm
<DESCRIPTION>EX-3.1
<TEXT>
Document 2 - file: d90305dex31.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>d90305dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: d90305dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g90305img2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g90305img2.jpg

</DOCUMENT>
</SEC-DOCUMENT>