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Position history for BLAIR WILLIAM & CO/ILBLAIR WILLIAM & CO/IL's holdings in AON PLC

BLAIR WILLIAM & CO/IL holds 360,607 shares of AON (AON PLC), worth $119.6M as of 2026-Q2. The position was decreased (-14.5% shares). AON represents 0.3% of BLAIR WILLIAM & CO/IL's portfolio.

Current Value

$119.6M

Current Shares

360,607

Total Value Change

-$85.4M

Total Shares Change

-231,943

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
360,607
-14.5%
$119.6M0.3%$331.69
0
2026-Q1
Decreased
421,605
-15.1%
$136.1M0.4%$339.07
0
2025-Q4
Decreased
496,307
-6.3%
$175.1M0.5%$356.49
0
2025-Q3
Decreased
529,773
-6.7%
$188.9M0.5%$354.62
0
2025-Q2
Increased
567,987
+2.4%
$202.6M0.6%$351.99
44
2025-Q1
Decreased
554,750
-1.7%
$221.4M0.7%$392.90
0
2024-Q4
Decreased
564,247
-4.8%
$202.7M0.6%$355.82
0
2024-Q3
Decreased
592,550
-1.6%
$205M0.6%$344.95
0

Other major holders of AON: VANGUARD GROUP INC

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