INTERACTIVE BROKERS GROUP IN (IBKR) — Hedge Fund Ownership Q4 2025
IBKR
- INTERACTIVE BROKERS GROUP IN (IBKR) is held by 4 of 81 tracked hedge funds, with Oakcliff Capital Partners (28%) and RV Capital (11%) holding the largest stakes, indicating limited hedge fund interest relative to peers.
- The biggest increases in IBKR holdings came from Egerton Capital (+11%) and Cantillon Capital Management (+1%), highlighting conviction.
- The biggest decreases in IBKR holdings came from RV Capital (-6%), suggesting profit-taking or de-risking.
- Overall, hedge funds increased exposure to INTERACTIVE BROKERS GROUP IN (IBKR) by +4% vs the prior quarter and +272% vs prior year.
| # | Fund | % of Portfolio † | Shares † | Shares vs Prior Quarter † | Shares vs Prior Year † | Aggregate Value † | Reported Price * | Option |
|---|---|---|---|---|---|---|---|---|
| 1 |
Oakcliff Capital Partners Bryan Lawrence
|
28.42% | 1.0M | — | +243.94% | $66.3M | $64.31 | — |
| 2 |
RV Capital
|
11.27% | 752K | -5.85% | +235.41% | $48.4M | $64.31 | — |
| 3 |
Egerton Capital John Armitage
|
4.85% | 6.9M | +10.96% | +275.48% | $446.3M | $64.31 | — |
| 4 |
Cantillon Capital Management William von Mueffling
|
4.44% | 12.8M | +0.76% | +275.77% | $820.6M | $64.31 | — |
| 4 | Total | — | 21.5M | +3.54% | +272.45% | $1.38B | — | — |
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.