Interactive Brokers Group, Inc.
Institutional investors holding IBKR
| Investor | Weight | Quarter |
|---|---|---|
| Bryan Lawrence | 30.50% | 2026Q1 |
| Robert Vinall | 13.36% | 2026Q1 |
| William Von Mueffling | 5.01% | 2026Q1 |
| John Armitage | 4.67% | 2026Q1 |
| Mohnish Pabrai | 0.46% | 2010Q1 |
| Ruane Cunniff | 0.34% | 2016Q4 |
| Viking Global Investors | 0.26% | 2026Q1 |
| Meridian / ArrowMark | 0.02% | 2026Q1 |
| Kenneth Fisher | 0.00% | 2026Q1 |
Congressional data coming soon
19
Total trades
$12.4M
Volume
1
Buys
18
Sells
Last trade: May 1, 2026
| Date | Insider | Type | Value |
|---|---|---|---|
| May 1, 2026 | Lori A Conkling | Buy | $2K |
| Apr 28, 2026 | Lawrence E Harris | Sell | $2.0M |
Congressional trade data is being sourced and will appear here shortly.