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Cubist Systematic Strategies’s Aon AON Stock Holding History

Cubist Systematic Strategies’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
2025
Q3 		$1.39M Sell
3,900
-7,400
-65% -$2.68M 0.01% 1781
2025
Q2 		$4.03M Sell
11,300
-1,000
-8% -$362K 0.02% 1151
2025
Q1 		$4.91M Buy
+12,300
New +$4.72M 0.03% 890
2024
Q4 		– Sell
-18,000
Closed -$6.23M – 2944
2024
Q3 		$6.23M Sell
18,000
-10,200
-36% -$3.34M 0.04% 714
2024
Q2 		$8.28M Buy
28,200
+17,600
+166% +$5.2M 0.06% 504
2024
Q1 		$3.54M Buy
10,600
+6,000
+130% +$1.86M 0.02% 1208
2023
Q4 		$1.34M Buy
+4,600
New +$1.47M 0.01% 1822
2023
Q1 		– Sell
-1,700
Closed -$510K – 3871
2022
Q4 		$510K Hold
1,700
– – ﹤0.01% 3000
2022
Q3 		$455K Buy
+1,700
New +$481K ﹤0.01% 3237

Other funds holding AON

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Cubist Systematic Strategies's AON Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Aon (AON) in Q3 2025: 51,328 shares worth $18.3M. The stake represents 0.09% of the portfolio and ranks #313 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in AON as recently as Q4 2023.

Cubist Systematic Strategies first reported a position in AON in Q2 2014 and has held it in 37 quarters since. 1,249 funds tracked by Wall St. Rank hold AON as of Q3 2025.

  • Cubist Systematic Strategies held 51,328 shares of Aon worth $18.3M as of Q3 2025.
  • Aon was a new Cubist Systematic Strategies position in Q3 2025.
  • Aon made up 0.09% of Cubist Systematic Strategies's portfolio in Q3 2025, its #313 holding.
  • Cubist Systematic Strategies first reported a position in Aon in Q2 2014 and has held it in 37 quarters since.
  • 1,249 funds tracked by Wall St. Rank held Aon as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.