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AONAON
25 quarters

Position history for Boston PartnersBoston Partners's holdings in AON PLC

Yes. Boston Partners holds 2,089,773 shares of AON, worth $695.8M, as of its Q2 2026 13F filing. It increased the position by 134,741 shares (+6.9%) from Q1 2026. Boston Partners has held AON in every 13F on record since Q2 2020, 25 quarterly filings. AON is 0.6% of Boston Partners' reported 13F portfolio.

Current Value

$695.8M

Current Shares

2.1M

Total Value Change

+$482.6M

Total Shares Change

+983,190

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
2.1M
+6.9%
$695.8M0.6%$331.69
48
2026-Q1
Increased
2M
+19.6%
$631.1M0.7%$321.93
53
2025-Q4
Decreased
1.6M
-4.5%
$576.3M0.6%$351.95
0
2025-Q3
Increased
1.7M
+15.5%
$611M0.6%$355.64
51
2025-Q2
Decreased
1.5M
-30.2%
$528.8M0.6%$355.08
0
2025-Q1
Increased
2.1M
+4.2%
$844.5M1.0%$396.37
52
2024-Q4
Increased
2M
+13.7%
$731.8M0.9%$356.06
51
2024-Q3
Increased
1.8M
+33.3%
$620.4M0.7%$342.38
57
2024-Q2
Increased
1.3M
+36.5%
$394.8M0.5%$289.92
49
2024-Q1
Increased
984,445
+53.6%
$326.9M0.4%$328.77
52
2023-Q4
Decreased
640,810
-47.1%
$186.8M0.2%$286.11
0
2023-Q3
Decreased
1.2M
-20.1%
$392.5M0.5%$318.11
0
2023-Q2
Decreased
1.5M
-1.0%
$522.6M0.7%$338.05
0
2023-Q1
Increased
1.5M
+47.0%
$483.3M0.7%$308.19
60
2022-Q4
Decreased
1M
-7.3%
$312.9M0.4%$292.86
0
2022-Q3
Increased
1.1M
+3.4%
$301.4M0.4%$260.87
38
2022-Q2
Increased
1.1M
+10.5%
$293.4M0.4%$262.13
41
2022-Q1
Increased
984,224
+2.3%
$320.5M0.4%$315.95
38
2021-Q4
Decreased
961,718
-2.2%
$289M0.3%$291.08
0
2021-Q3
Increased
983,226
+3.1%
$281M0.4%$276.31
38
2021-Q2
Increased
953,222
+2.4%
$227.6M0.3%$230.41
38
2021-Q1
Decreased
930,761
-1.8%
$214.2M0.3%$221.59
0
2020-Q4
Decreased
947,310
-14.6%
$200.1M0.3%$203.00
0
2020-Q3
Increased
1.1M
+0.2%
$228.7M0.4%$197.73
37
2020-Q2
New
1.1M
-
$213.1M0.4%$184.21
51

Other major holders of AON: VANGUARD GROUP INC

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