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AON
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Position history for CANTILLON CAPITAL MANAGEMENT LLC's holdings in AON PLC

CANTILLON CAPITAL MANAGEMENT LLC holds 1.1M shares of AON (AON PLC), worth $353.6M as of 2026-Q1. The position was decreased (-11.9% shares). AON represents 2.3% of CANTILLON CAPITAL MANAGEMENT LLC's portfolio.

Current Value

$353.6M

Current Shares

1.1M

Total Value Change

+$19.5M

Total Shares Change

-42,688

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
1.1M
-11.9%
$353.6M2.3%$339.07
0
2025-Q4
Increased
1.2M
+0.8%
$438.6M2.4%$356.49
55
2025-Q3
Decreased
1.2M
-1.1%
$439.9M2.4%$354.62
0
2025-Q2
Decreased
1.2M
-2.8%
$445M2.6%$351.99
0
2025-Q1
Decreased
1.3M
-3.0%
$512.3M3.3%$392.90
0
2024-Q4
Increased
1.3M
+0.5%
$475.3M2.9%$355.82
55
2024-Q3
Increased
1.3M
+15.6%
$455.4M2.8%$344.95
63
2024-Q2
Decreased
1.1M
-4.8%
$334.2M2.2%$290.68
0

Other major holders of AON: VANGUARD GROUP INC

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