EX-21.1 2 bp15115x1_ex21-1.htm EXHIBIT 21.1

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.
Timber Hill Canada Company | Nova Scotia, Canada
IB Exchange Corp. | Delaware, U.S.A.
Interactive Brokers (India) Private Limited(3) | India
IBKR Europe S.a.r.l.(3) | Luxembourg
Interactive Brokers Software Services (India) Private Limited | India
IB Global Investments LLC(3) | Delaware, U.S.A.

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

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

| (3) | IBG LLC Owns 99.99% and 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. | Canada
Interactive Brokers (U.K.) Limited | United Kingdom
Interactive Brokers Hong Kong Limited | Hong Kong
Interactive Brokers Australia Pty Limited | Australia
Interactive Brokers Securities Japan, Inc. | Japan
IB Business Services (Shanghai) Company Limited | China
IBKR Financial Services AG (formerly Timber Hill (Europe) AG) | Switzerland
Interactive Brokers Hungary Informatikai KFT | Hungary
Interactive Brokers Software Services Estonia OU | Estonia
Interactive Brokers Software Services Rus | Russia
Interactive Brokers Corp. | Delaware, U.S.A.
Covestor, Inc. | Massachusetts, U.S.A.
Greenwich Advisor Compliance Services Corp. | Delaware, U.S.A.

The following is a list of subsidiaries of IBKR Financial Services AG:

Name | Jurisdiction of Organization
THLI AG (formerly 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