INTERACTIVE BROKERS GRO-CL A (IBKR)
INTERACTIVE BROKERS GRO-CL A (IBKR) is held by 6 master funds in 2026 Q2, with a combined value of about $0.71B.
The highest portfolio weights for INTERACTIVE BROKERS GRO-CL A (IBKR) come from: Bryan R. Lawrence-Oakcliff Capital Partners 33.42%, Quincy Lee-Ancient Art 22.86%, Rob Vinall-RV Capital 12.75%, William Von Mueffling-Cantillon Capital Management 6.78%, John Armitage-Egerton Capital 3.47%.
Master Holdings
| Bryan R. Lawrence | Oakcliff Capital Partners | 33.42% | 1.03 | $0.09B | 2017 Q1 | 2025 Q2 | 9.5 | 0.00% |
| Quincy Lee | Ancient Art | 22.86% | 1.29 | $0.11B | 2013 Q2 | 2025 Q2 | 13.25 | 0.00% |
| Rob Vinall | RV Capital | 12.75% | 0.56 | $0.05B | 2023 Q1 | 2026 Q1 | 3.5 | -25.97% |
| William Von Mueffling | Cantillon Capital Management | 6.78% | 0.52 | $0.05B | 2017 Q2 | 2025 Q4 | 9.25 | -95.40% |
| John Armitage | Egerton Capital | 3.47% | 4.13 | $0.36B | 2024 Q1 | 2025 Q4 | 2.5 | -34.19% |
| Stephen Mandel | Lone Pine Capital | 0.31% | 0.58 | $0.05B | 2026 Q2 | 2026 Q2 | 0.25 | - |
Exited Funds
| Master | Fund | Exited Shares (M) | First Owned | Latest Buy | Holding Years |
|---|---|---|---|---|---|
| No exited funds in this report period | |||||
Consensus Trend
Total Shares Held by Masters
Tracks combined shares held by all master funds in each report period.
Master Consensus Changes
Buy includes new positions and increases; sell includes reductions and exits.