Attached files

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EX-32.2 - EX-32.2 - Interactive Brokers Group, Inc.a2234631zex-32_2.htm
EX-32.1 - EX-32.1 - Interactive Brokers Group, Inc.a2234631zex-32_1.htm
EX-31.2 - EX-31.2 - Interactive Brokers Group, Inc.a2234631zex-31_2.htm
EX-31.1 - EX-31.1 - Interactive Brokers Group, Inc.a2234631zex-31_1.htm
EX-23.1 - EX-23.1 - Interactive Brokers Group, Inc.a2234631zex-23_1.htm
10-K - 10-K - Interactive Brokers Group, Inc.a2234631z10-k.htm

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EXHIBIT 21.1

SUBSIDIARIES OF THE COMPANY

Name
  Jurisdiction of Organization  

IBG LLC

    Connecticut, U.S.A.  

    The following is a list of subsidiaries of IBG LLC:

Name
  Jurisdiction of Organization  

Timber Hill LLC(1)

    Connecticut, U.S.A.  

Interactive Brokers LLC(2)

    Connecticut, U.S.A.  

Interactive Brokers (U.K.) Limited

    United Kingdom  

Timber Hill Australia Pty Limited

    Australia  

Timber Hill Canada Company

    Canada  

IB Exchange Corp. 

    Delaware, U.S.A.  

Interactive Brokers (India) Private Limited(3)

    India  

Interactive Brokers Financial Products S.A. 

    Luxembourg  

Interactive Brokers Software Services (India) Private Limited

    India  

(1)
IBG LLC owns 99.99% and Thomas Peterffy owns 0.01%.

(2)
IBG LLC owns 99.9% and Thomas Peterffy owns 0.1%.

(3)
IB Exchange Corp. owns 0.01%

    The following is a list of subsidiaries of IB Exchange Corp:

Name
  Jurisdiction of Organization  

Interactive Brokers Canada Inc. 

    Connecticut, U.S.A.  

Interactive Brokers Business Services (Shanghai) Company Limited

    China  

Interactive Brokers Hong Kong Limited

    China  

Interactive Brokers Securities Japan, Inc. 

    Japan  

Interactive Brokers Australia Pty Limited

    Australia  

Interactive Brokers Hungary KFT

    Hungary  

Interactive Brokers Software Services Estonia OU

    Estonia  

Interactive Brokers Software Services Russia

    Russia  

Interactive Brokers Corp

    Connecticut, U.S.A.  

Covestor, Inc. 

    Massachusetts, U.S.A.  

Timber Hill (Europe) AG

    Switzerland  

Greenwich Advisor Compliance Services Corp

    Delaware, U.S.A.  

    The following is a list of subsidiaries of Timber Hill (Europe) AG:

Name
  Jurisdiction of Organization  

Timber Hill (Liechtenstein) AG

    Liechtenstein  

    The following is a list of subsidiaries of Interactive Brokers (U.K.) Limited:

Name
  Jurisdiction of Organization  

Interactive Brokers (U.K.) Nominee Limited

    United Kingdom  

    The following is a list of subsidiaries of Interactive Brokers Australia Pty Limited:

Name
  Jurisdiction of Organization  

Interactive Brokers Australia Nominees Pty Limited

    Australia  

    The following is a list of subsidiaries of Covestor, Inc.:

Name
  Jurisdiction of Organization  

Covestor Limited

    United Kingdom  



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SUBSIDIARIES OF THE COMPANY