<SEC-DOCUMENT>0000000000-15-057336-index.html : 20160315 <SEC-HEADER>0000000000-15-057336.hdr.sgml : 20160315 <ACCEPTANCE-DATETIME>20151210163210 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0000000000-15-057336 CONFORMED SUBMISSION TYPE: UPLOAD PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20151210 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: 0001569391-15-000004 [HTML] </SEC-HEADER> <DOCUMENT> <TYPE>LETTER <SEQUENCE>1 <FILENAME>filename1.pdf <TEXT> Document 1 - file: filename1.pdf
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