Attached files

file filename
EX-23.1 - EX-23.1 - Interactive Brokers Group, Inc.a2223202zex-23_1.htm
EX-31.1 - EX-31.1 - Interactive Brokers Group, Inc.a2223202zex-31_1.htm
EX-10.5 - EX-10.5 - Interactive Brokers Group, Inc.a2223202zex-10_5.htm
EXCEL - IDEA: XBRL DOCUMENT - Interactive Brokers Group, Inc.Financial_Report.xls
EX-31.2 - EX-31.2 - Interactive Brokers Group, Inc.a2223202zex-31_2.htm
EX-32.2 - EX-32.2 - Interactive Brokers Group, Inc.a2223202zex-32_2.htm
10-K - 10-K - Interactive Brokers Group, Inc.a2223202z10-k.htm
EX-32.1 - EX-32.1 - Interactive Brokers Group, Inc.a2223202zex-32_1.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  
Timber Hill Europe AG     Switzerland  
Timber Hill Securities Hong Kong Limited     Hong Kong  
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     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 Interactive Brokers LLC:

Name
  Jurisdiction of Organization  
Interactive Brokers Corp     Connecticut, U.S.A.  

        The following is a list of subsidiaries of Timber Hill Europe AG Brokers LLC:

Name
  Jurisdiction of Organization  
Timber Hill (Liechtenstein) AG     Germany  

        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  



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SUBSIDIARIES OF THE COMPANY