Interactive Brokers Group, Inc.

About Interactive Brokers Group, Inc.

Our primary assets are our ownership of approximately 26.3% of the membership interests of IBG LLC, the current holding company for our businesses, and our controlling interest and related contractual rights as the sole managing member of IBG LLC. The remaining approximately 73.7% of IBG LLC membership interests are held by IBG Holdings LLC (“Holdings”), a holding company that is owned directly and indirectly by our founder and Chairman, Mr.

Business information sourced from SEC annual filing filed Feb 27, 2026. Business descriptions reflect the cited filing and may not describe subsequent changes.

Company identification is based on SEC registration information. Financial figures are sourced from SEC filings.

Company information

Registered name

Interactive Brokers Group, Inc.

Ticker symbol

IBKR

CIK

0001381197

Exchange

Nasdaq

Industry

Security Brokers, Dealers & Flotation Companies

SEC SIC code

6211

Fiscal year end (MMDD)

1231

Last SEC synchronization

Nov 7, 2026 19:12 UTC

Headquarters / business address

ONE PICKWICK PLAZA
GREENWICH, CT 06830

Mailing address

ONE PICKWICK PLAZA
GREENWICH, CT 06830

Business phone

203-618-5800

Company contact information is drawn from SEC submissions, where reported, and may not reflect current operating locations. Last company information check: Nov 7, 2026 20:26 UTC. Official website, business descriptions and executive details require separate verification.