Acadian Asset Management
AON icon

Acadian Asset Management’s Aon AON Stock Holding History

Acadian Asset Management’s Portfolio AON Stock Details AON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$150K Buy
+453
New +$146K ﹤0.01% 1681
2026
Q1 		– Sell
-365
Closed -$128K – 2012
2025
Q4 		$128K Sell
365
-441
-55% -$154K ﹤0.01% 1627
2025
Q3 		$286K Sell
806
-997
-55% -$361K ﹤0.01% 1332
2025
Q2 		$642K Sell
1,803
-16,993
-90% -$6.16M ﹤0.01% 1089
2025
Q1 		$7.5M Buy
18,796
+12,065
+179% +$4.63M 0.02% 387
2024
Q4 		$2.41M Sell
6,731
-11,423
-63% -$4.2M 0.01% 722
2024
Q3 		$6.28M Buy
18,154
+12,837
+241% +$4.2M 0.02% 439
2024
Q2 		$1.56M Sell
5,317
-24,776
-82% -$7.33M ﹤0.01% 849
2024
Q1 		$10M Sell
30,093
-173,504
-85% -$53.8M 0.04% 298
2023
Q4 		$59.2M Buy
203,597
+46,773
+30% +$15M 0.23% 111
2023
Q3 		$50.8M Buy
+156,824
New +$51.9M 0.21% 123
2023
Q2 		– Sell
-208,323
Closed -$65.7M – 1714
2023
Q1 		$65.7M Buy
208,323
+21,607
+12% +$6.69M 0.29% 103
2022
Q4 		$56M Sell
186,716
-72,993
-28% -$21.3M 0.28% 104
2022
Q3 		$69.5M Sell
259,709
-92,981
-26% -$26.3M 0.38% 77
2022
Q2 		$95.1M Buy
352,690
+220,729
+167% +$63.4M 0.49% 58
2022
Q1 		$43M Buy
131,961
+14,693
+13% +$4.27M 0.18% 140
2021
Q4 		$35.2M Buy
117,268
+101,778
+657% +$30.5M 0.13% 155
2021
Q3 		$4.42M Sell
15,490
-407
-3% -$109K 0.02% 482
2021
Q2 		$3.79M Buy
15,897
+6,761
+74% +$1.65M 0.01% 542
2021
Q1 		$2.1M Sell
9,136
-2,267
-20% -$499K 0.01% 718
2020
Q4 		$2.41M Sell
11,403
-828
-7% -$169K 0.01% 710
2020
Q3 		$2.52M Sell
12,231
-18,961
-61% -$3.79M 0.01% 606
2020
Q2 		$6.01M Buy
+31,192
New +$5.81M 0.03% 447
2020
Q1 		– Sell
-3,402
Closed -$708K – 1779
2019
Q4 		$708K Buy
3,402
+1,475
+77% +$292K ﹤0.01% 976
2019
Q3 		$373K Buy
1,927
+1,797
+1,382% +$347K ﹤0.01% 1165
2019
Q2 		$25K Sell
130
-1,255
-91% -$227K ﹤0.01% 1574
2019
Q1 		$236K Buy
+1,385
New +$225K ﹤0.01% 1314

Other funds holding AON

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Acadian Asset Management's AON Position: Q2 2026 in Review

Acadian Asset Management opened a new position in Aon (AON) in Q2 2026: 453 shares worth $150K. The stake represents ﹤0.01% of the portfolio and ranks #1681 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in AON as recently as Q4 2025.

Acadian Asset Management first reported a position in AON in Q1 2019 and has held it in 27 quarters since. The position peaked at $95.1M in Q2 2022. 1,255 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Acadian Asset Management held 453 shares of Aon worth $150K as of Q2 2026.
  • Aon was a new Acadian Asset Management position in Q2 2026.
  • Aon made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1681 holding.
  • Acadian Asset Management first reported a position in Aon in Q1 2019 and has held it in 27 quarters since.
  • Acadian Asset Management's Aon position peaked at $95.1M in Q2 2022.
  • 1,255 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.