Assenagon Asset Management
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Assenagon Asset Management’s Aon AON Stock Holding History

Assenagon 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 		$62.6M Buy
188,821
+180,601
+2,197% +$58.3M 0.08% 191
2026
Q1 		$2.65M Buy
8,220
+1,327
+19% +$441K ﹤0.01% 732
2025
Q4 		$2.43M Sell
6,893
-251,761
-97% -$87.9M ﹤0.01% 799
2025
Q3 		$92.2M Buy
258,654
+85,047
+49% +$30.8M 0.13% 146
2025
Q2 		$61.9M Sell
173,607
-320,087
-65% -$116M 0.09% 188
2025
Q1 		$197M Buy
493,694
+331,888
+205% +$127M 0.33% 56
2024
Q4 		$58.1M Sell
161,806
-383,404
-70% -$141M 0.09% 182
2024
Q3 		$189M Buy
545,210
+124,454
+30% +$40.7M 0.35% 51
2024
Q2 		$124M Buy
420,756
+75,865
+22% +$22.4M 0.28% 74
2024
Q1 		$115M Buy
344,891
+276,131
+402% +$85.6M 0.27% 69
2023
Q4 		$20M Sell
68,760
-158,685
-70% -$50.8M 0.05% 287
2023
Q3 		$73.7M Buy
227,445
+223,114
+5,152% +$73.8M 0.23% 76
2023
Q2 		$1.5M Sell
4,331
-429
-9% -$139K 0.01% 867
2023
Q1 		$1.5M Sell
4,760
-336
-7% -$104K 0.01% 940
2022
Q4 		$1.53M Buy
5,096
+85
+2% +$24.8K 0.01% 920
2022
Q3 		$1.34M Buy
5,011
+3,437
+218% +$972K 0.01% 861
2022
Q2 		$424K Sell
1,574
-91
-5% -$26.2K ﹤0.01% 1257
2022
Q1 		$542K Sell
1,665
-41
-2% -$11.9K ﹤0.01% 1189
2021
Q4 		$513K Hold
1,706
– – ﹤0.01% 1191
2021
Q3 		$488K Buy
+1,706
New +$458K ﹤0.01% 1071
2020
Q3 		– Sell
-10,073
Closed -$1.94M – 1111
2020
Q2 		$1.94M Buy
+10,073
New +$1.88M 0.01% 609
2020
Q1 		– Sell
-8,515
Closed -$1.77M – 778
2019
Q4 		$1.77M Sell
8,515
-9,028
-51% -$1.79M 0.01% 468
2019
Q3 		$3.4M Buy
17,543
+8,943
+104% +$1.73M 0.02% 301
2019
Q2 		$1.66M Sell
8,600
-116,861
-93% -$21.2M 0.01% 581
2019
Q1 		$21.4M Buy
125,461
+119,161
+1,891% +$19.3M 0.2% 101
2018
Q4 		$916K Sell
6,300
-14,215
-69% -$2.21M 0.01% 675
2018
Q3 		$3.15M Buy
+20,515
New +$3M 0.03% 405
2018
Q2 		– Sell
-100,770
Closed -$14.1M – 442
2018
Q1 		$14.1M Sell
100,770
-186,927
-65% -$26.2M 0.18% 131
2017
Q4 		$38.6M Buy
+287,697
New +$40.9M 0.4% 56

Other funds holding AON

PAM
PineStone Asset Management Montreal, Quebec, Canada $16.2B AUM 25.74% 1-Year Est. Return
DC
Davenport & Co Richmond, Virginia $20.4B AUM 18.11% 1-Year Est. Return
SI
Scharf Investments Los Gatos, California $3.03B AUM 7.75% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
NONA
Ninety One North America New York $2.13B AUM 9.16% 1-Year Est. Return
GIA
Gateway Investment Advisers Cincinnati, Ohio $10.1B AUM 40.26% 1-Year Est. Return
DS
Dudley & Shanley Palm Beach, Florida $662M AUM 10.7% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
CNB
Czech National Bank Prague, Czech Republic $18.3B AUM 43.04% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

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

Assenagon Asset Management increased its Aon (AON) stake by 2,197% in Q2 2026, buying an estimated $58.3M and bringing the position to 188,821 shares worth $62.6M. The position accounts for 0.08% of the portfolio, ranked #191.

Assenagon Asset Management first reported a position in AON in Q4 2017 and has held it in 29 quarters since. The position peaked at $197M in Q1 2025. 230 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Assenagon Asset Management held 188,821 shares of Aon worth $62.6M as of Q2 2026.
  • Assenagon Asset Management bought 180,601 Aon shares in Q2 2026, an estimated $58.3M.
  • Aon made up 0.08% of Assenagon Asset Management's portfolio in Q2 2026, its #191 holding.
  • Assenagon Asset Management first reported a position in Aon in Q4 2017 and has held it in 29 quarters since.
  • Assenagon Asset Management's Aon position peaked at $197M in Q1 2025.
  • 230 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.