EX-21.1 2 a2234631zex-21_1.htm EX-21.1
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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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EXHIBIT 21.1

SUBSIDIARIES OF THE COMPANY