IBKR - INTERACTIVE BROKERS GROUP IN
This page shows which of the focused investors we track hold IBKR and how their positions changed, so you can see how much conviction the group has in the stock.
In Q3 2025 it was held by 4 managers with an aggregate reported value of $1.43B, which is 0.12% of the combined portfolio.
As of Q3 2025, 4 tracked institutional managers held IBKR (INTERACTIVE BROKERS GROUP IN) with an aggregate reported value of $1.43B — 0.12% of the combined AlphaBaseline portfolio.
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- Source
- Curated SEC 13F filings
- Period
- Q3 2025
- Ticker
- IBKR
13F data is delayed and excludes shorts/non-13F assets.
Holders
| 1 | William Von Mueffling - Cantillon Capital Management | 4.80% | Reduce -1.1% | 12,664,026 | $871.41M |
| 2 | John Armitage - Egerton Capital | 4.54% | Reduce -22.4% | 6,254,134 | $430.35M |
| 3 | Bryan Lawrence - Oakcliff Capital | 30.61% | - | 1,030,740 | $70.93M |
| 4 | Robert Vinall - RV Capital GmbH | 10.07% | Reduce -6.0% | 799,267 | $55M |
Loading holder history for IBKR…