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IBKR
Showing 8 of 29 quarters

Position history for CANTILLON CAPITAL MANAGEMENT LLC's holdings in INTERACTIVE BROKERS GROUP IN

CANTILLON CAPITAL MANAGEMENT LLC holds 11.2M shares of IBKR (INTERACTIVE BROKERS GROUP IN), worth $754.3M as of 2026-Q1. The position was decreased (-11.9% shares). IBKR represents 5.0% of CANTILLON CAPITAL MANAGEMENT LLC's portfolio.

Current Value

$754.3M

Current Shares

11.2M

Total Value Change

+$327.8M

Total Shares Change

+7.8M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
11.2M
-11.9%
$754.3M5.0%$69.40
0
2025-Q4
Increased
12.8M
+0.8%
$820.6M4.4%$65.00
60
2025-Q3
Decreased
12.7M
-1.1%
$871.4M4.8%$68.72
0
2025-Q2
Increased
12.8M
+288.7%
$709.4M4.1%$53.82
95
2025-Q1
Decreased
3.3M
-3.0%
$545.4M3.5%$41.01
0
2024-Q4
Increased
3.4M
+0.5%
$599.9M3.6%$44.50
59
2024-Q3
Decreased
3.4M
-2.9%
$470.7M2.9%$34.16
0
2024-Q2
Decreased
3.5M
-4.8%
$426.5M2.9%$30.39
0

Other major holders of IBKR: VANGUARD GROUP INC, BlackRock, Inc.

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