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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000950142-13-001623
Filing Date
2013-07-03
Accepted
2013-07-03 17:43:03
Documents
1
Period of Report
2013-07-01

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT es1300918_3-gagtco.html 3  
1 OWNERSHIP DOCUMENT es1300918_3-gagtco.xml 3 22756
  Complete submission text file 0000950142-13-001623.txt   30286
Mailing Address 3 PICKWICK 3 PICKWICK PLAZA GREENWICH CT 08330
Business Address 3 PICKWICK 3 PICKWICK PLAZA GREENWICH CT 08330 2036223050
GENERAL ATLANTIC LLC (Reporting) CIK: 0001017645 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954276

Mailing Address 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address 3 PICKWICK PLAZA GREENWICH CT 06830 2036298600
GAP COINVESTMENTS III LLC (Reporting) CIK: 0001282203 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954269

Mailing Address 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address 3 PICKWICK PLAZA GREENWICH CT 06830 2036298600
GAP COINVESTMENTS IV LLC (Reporting) CIK: 0001282372 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954268

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830 203-629-8600
GAP-W, LLC (Reporting) CIK: 0001396680 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954270

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830 (203) 629-8600
GENERAL ATLANTIC PARTNERS 83, L.P. (Reporting) CIK: 0001467002 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954274

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 3 PICKWICK PLAZA GREENWICH CT 06830 203-629-8600
GENERAL ATLANTIC GENPAR, L.P. (Reporting) CIK: 0001467926 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954275

Mailing Address 3 PICKWICK PLAZA GREENWICH CT 06830
Business Address 3 PICKWICK PLAZA GREENWICH CT 06830 203-629-8600
General Atlantic Partners 93, L.P. (Reporting) CIK: 0001567885 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954273

Mailing Address 545 WASHINGTON BOULEVARD JERSEY CITY NJ 07310
Business Address 545 WASHINGTON BOULEVARD JERSEY CITY NJ 07310 201-222-9400
KCG Holdings, Inc. (Issuer) CIK: 0001569391 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6211 Security Brokers, Dealers & Flotation Companies
Office of Finance

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055 212-715-4044
GA-GTCO AIV, L.P. (Reporting) CIK: 0001580305 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954271

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055 212-715-4044
GA-GTCO US AIV, L.P. (Reporting) CIK: 0001580314 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954272

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055 212-715-4044
GA-GTCO Interholdco, LLC (Reporting) CIK: 0001580338 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-54991 | Film No.: 13954277