Position history for CANTILLON CAPITAL MANAGEMENT LLC's holdings in INTERACTIVE BROKERS GROUP IN
CANTILLON CAPITAL MANAGEMENT LLC holds 12.8M shares of IBKR (INTERACTIVE BROKERS GROUP IN), worth $820.6M as of 2025-Q4. The position was increased (++0.8% shares). IBKR represents 4.4% of CANTILLON CAPITAL MANAGEMENT LLC's portfolio.
Current Value
$820.6M
Current Shares
12.8M
Total Value Change
+$394.1M
Total Shares Change
+9.3M
Other major holders of IBKR: Select Equity Group, L.P.
Increased |
| 12.8M |
+0.8% |
| $820.6M |
| 4.4% |
| $65.00 |
60 |
| 2025-Q3 | Decreased | 12.7M | -1.1% | $871.4M | 4.8% | $68.72 | 0 |
| 2025-Q2 | Increased | 12.8M | +288.7% | $709.4M | 4.1% | $53.82 | 95 |
| 2025-Q1 | Decreased | 3.3M | -3.0% | $545.4M | 3.5% | $41.01 | 0 |
| 2024-Q4 | Increased | 3.4M | +0.5% | $599.9M | 3.6% | $44.50 | 59 |
| 2024-Q3 | Decreased | 3.4M | -2.9% | $470.7M | 2.9% | $34.16 | 0 |
| 2024-Q2 | Decreased | 3.5M | -4.8% | $426.5M | 2.9% | $30.39 | 0 |