Director

Vice Chairman

Executive Vice President

Chief Executive Officer

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 170 electronic exchanges, 40 countries, and 29 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.

Institution	Shares	Value	Change
Ninety One UK	5,258,689	$458M	NEW
Egerton Capital (UK)	4,129,416	$359M	DECREASED
Congress Asset Management	1,527,739	$133M	INCREASED
Robeco Institutional Asset Management B.V	1,418,704	$123M	INCREASED
Assenagon Asset Management	645,171	$56M	DECREASED

Insider	Type	Shares	Value	Date
Lori A Conkling (Director)	BUY	25	$2K	2026-07-01
Lori A Conkling (Director)	BUY	25	$2K	2026-06-01
Earl H Nemser (Vice Chairman)	SELL	22,486	$2M	2026-05-08
Thomas Aj Frank (Executive Vice President)	SELL	31,730	$3M	2026-05-08
Milan Galik (Chief Executive Officer)	SELL	255,039	$22M	2026-05-08

Interactive Brokers Group, Inc. Class A Common Stock (IBKR) Ownership & Trading Activity

Top Institutional Holders

Recent Insider Trades

Recent Congressional Trades