Attached files

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EX-31.2 - EX-31.2 - Interactive Brokers Group, Inc.a2227422zex-31_2.htm
EX-31.1 - EX-31.1 - Interactive Brokers Group, Inc.a2227422zex-31_1.htm
10-K - 10-K - Interactive Brokers Group, Inc.a2227422z10-k.htm
EX-32.1 - EX-32.1 - Interactive Brokers Group, Inc.a2227422zex-32_1.htm
EX-23.1 - EX-23.1 - Interactive Brokers Group, Inc.a2227422zex-23_1.htm
EX-32.2 - EX-32.2 - Interactive Brokers Group, Inc.a2227422zex-32_2.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 Canada Inc.      Canada  
Interactive Brokers (U.K.) Limited     United Kingdom  
Interactive Brokers Hong Kong Limited     Hong Kong  
Interactive Brokers Australia Pty Limited     Australia  
Timber Hill (Europe) AG     Switzerland  
Timber Hill Australia Pty Limited     Australia  
Timber Hill Canada Company     Canada  
Interactive Brokers Hungary KFT     Hungary  
IB Exchange Corp.      Delaware, U.S.A.  
Interactive Brokers (India) Private Limited(3)     India  
Interactive Brokers Financial Products S.A.      Luxembourg  
Interactive Brokers Securities Japan, Inc.      Japan  
Interactive Brokers Software Services Estonia OU     Estonia  
Interactive Brokers Software Services Russia     Russia  

(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 Corp     Connecticut, U.S.A.  
Covestor, Inc.      Massachusetts, 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