Interactive Brokers Group, Inc. (IBKR)
Financials · Security Brokers, Dealers & Flotation Companies
Interactive Brokers Group, Inc. (IBKR) stock research on InvestAtlant: institutional ownership from 13F filings, insider Form 4 activity, and SEC context.
Top institutional holders (2026-Q3)
| Institution | Shares | Value | % Outstanding |
|---|---|---|---|
| Ninety One UK Ltd | 5,183,881 | $442.81M | 8.10% |
| Egerton Capital (UK) LLP | 3,160,704 | $269.99M | 4.94% |
| CONGRESS ASSET MANAGEMENT CO | 1,502,435 | 28.34M | 2.35% |
| AGF MANAGEMENT LTD | 1,452,335 | 24.06M | 2.27% |
| Robeco Institutional Asset Management B.V. | 1,417,966 | 21.12M | 2.22% |
| TimesSquare Capital Management, LLC | 1,291,416 | 10.31M | 2.02% |
| Hosking Partners LLP | 950,149 | $81.16M | 1.48% |
| MACKENZIE FINANCIAL CORP | 900,146 | $76.89M | 1.41% |
Recent insider transactions
| Date | Insider | Title | Type | Value |
|---|---|---|---|---|
| 2026-11-02 | Conkling Lori A | — | Purchase | $2.0K |
| 2026-10-28 | Harris Lawrence E | — | Sale | $2.07M |
| 2026-10-01 | Conkling Lori A | — | Purchase | $2.1K |
| 2026-09-01 | Conkling Lori A | — | Purchase | $2.4K |
| 2026-08-03 | Conkling Lori A | — | Purchase | $2.2K |
| 2026-07-01 | Conkling Lori A | — | Purchase | $2.2K |
| 2026-05-01 | Conkling Lori A | — | Purchase | $2.0K |
| 2026-04-28 | Harris Lawrence E | — | Sale | $2.00M |