IBKR

Interactive Brokers Group, Inc.

Company with tickers: IBKR

CIK

1381197

CUSIP

45841N107

Shares Outstanding

445,484,364

Website

https://www.interactivebrokers.com

Investor Relations

https://investors.interactivebrokers.com/ir/main.php

13F Activity (30d)

395 filings 381 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-18	6,853,269	6,152,432	13,005,701	48.2%

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