Millennium Management
AON icon

Millennium Management’s Aon AON Stock Holding History

Millennium 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
Q1 		$4.81M Buy
14,900
+7,500
+101% +$2.49M ﹤0.01% 2990
2025
Q4 		$2.61M Sell
7,400
-8,400
-53% -$2.93M ﹤0.01% 3709
2025
Q3 		$5.63M Sell
15,800
-500
-3% -$181K ﹤0.01% 3016
2025
Q2 		$5.82M Sell
16,300
-4,600
-22% -$1.67M ﹤0.01% 2827
2025
Q1 		$8.34M Sell
20,900
-16,400
-44% -$6.29M ﹤0.01% 2370
2024
Q4 		$13.4M Buy
37,300
+33,500
+882% +$12.3M 0.01% 1890
2024
Q3 		$1.31M Sell
3,800
-47,200
-93% -$15.4M ﹤0.01% 4051
2024
Q2 		$15M Buy
51,000
+6,000
+13% +$1.77M 0.01% 1737
2024
Q1 		$15M Sell
45,000
-41,400
-48% -$12.8M 0.01% 1801
2023
Q4 		$25.1M Buy
86,400
+28,300
+49% +$9.06M 0.01% 1356
2023
Q3 		$18.8M Buy
58,100
+27,400
+89% +$9.07M 0.01% 1482
2023
Q2 		$10.6M Sell
30,700
-61,900
-67% -$20.1M 0.01% 1968
2023
Q1 		$29.2M Sell
92,600
-25,100
-21% -$7.77M 0.02% 1058
2022
Q4 		$35.3M Buy
117,700
+59,500
+102% +$17.4M 0.02% 1004
2022
Q3 		$15.6M Buy
58,200
+49,500
+569% +$14M 0.01% 1610
2022
Q2 		$2.35M Buy
8,700
+7,500
+625% +$2.16M ﹤0.01% 3531
2022
Q1 		$391K Sell
1,200
-8,100
-87% -$2.36M ﹤0.01% 5315
2021
Q4 		$2.79M Sell
9,300
-20,400
-69% -$6.12M ﹤0.01% 3456
2021
Q3 		$8.49M Sell
29,700
-155,700
-84% -$41.8M 0.01% 2277
2021
Q2 		$44.3M Buy
185,400
+162,700
+717% +$39.8M 0.03% 666
2021
Q1 		$5.22M Buy
22,700
+13,200
+139% +$2.91M ﹤0.01% 2515
2020
Q4 		$2.01M Sell
9,500
-100
-1% -$20.4K ﹤0.01% 3231
2020
Q3 		$1.98K Sell
9,600
-19,100
-67% -$3.81M ﹤0.01% 2605
2020
Q2 		$5.53M Buy
+28,700
New +$5.35M 0.01% 1676

Other funds holding AON

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Millennium Management's AON Position: Q1 2026 in Review

Millennium Management reduced its Aon (AON) stake by 97% in Q1 2026, selling an estimated $205M and leaving 19,976 shares worth $6.45M. The position accounts for ﹤0.01% of the portfolio, ranked #2652.

Millennium Management first reported a position in AON in Q2 2013 and has held it in 46 quarters since. The position peaked at $225M in Q4 2025. 1,252 funds tracked by Wall St. Rank hold AON as of Q1 2026.

  • Millennium Management held 19,976 shares of Aon worth $6.45M as of Q1 2026.
  • Millennium Management sold 616,946 Aon shares in Q1 2026, an estimated $205M.
  • Aon made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #2652 holding.
  • Millennium Management first reported a position in Aon in Q2 2013 and has held it in 46 quarters since.
  • Millennium Management's Aon position peaked at $225M in Q4 2025.
  • 1,252 funds tracked by Wall St. Rank held Aon as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.