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

Institutional holders, insider transactions, and congressional trades for IBKR. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 1,093 institutions reported holding IBKR, with 385.1 million shares worth $33.5 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Vanguard41,660,768$3.6BDECREASED
BlackRock33,129,663$2.9BINCREASED
State Street19,437,767$1.7BINCREASED
FMR11,828,151$1.0BDECREASED
Geode Capital Management10,641,906$925MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Lawrence E Harris (Director)SELL25,000$2M2026-10-28
Lori A Conkling (Director)BUY25$2K2026-10-01
Lori A Conkling (Director)BUY25$2K2026-09-01
Lori A Conkling (Director)BUY25$2K2026-08-03
Earl H Nemser (Vice Chairman)AWARD803,568$71M2026-07-31

Full institutional holdings, insider history, and congressional trades for Interactive Brokers Group, Inc. Class A Common Stock on SentiSense.