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Weiss Asset Management’s Aon AON Stock Holding History

Weiss 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 		$12.6M Buy
+38,024
New +$12.3M 0.13% 120
2024
Q4 		– Sell
-60,068
Closed -$20.8M – 632
2024
Q3 		$20.8M Buy
+60,068
New +$19.7M 0.45% 52

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 $3.38T AUM 44.17% 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

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

Weiss Asset Management opened a new position in Aon (AON) in Q2 2026: 38,024 shares worth $12.6M. The stake represents 0.13% of the portfolio and ranks #120 among its holdings. This is a return to the name: Weiss Asset Management previously reported a position in AON as recently as Q3 2024.

Weiss Asset Management first reported a position in AON in Q3 2024 and has held it in 2 quarters since. The position peaked at $20.8M in Q3 2024. 1,268 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Weiss Asset Management held 38,024 shares of Aon worth $12.6M as of Q2 2026.
  • Aon was a new Weiss Asset Management position in Q2 2026.
  • Aon made up 0.13% of Weiss Asset Management's portfolio in Q2 2026, its #120 holding.
  • Weiss Asset Management first reported a position in Aon in Q3 2024 and has held it in 2 quarters since.
  • Weiss Asset Management's Aon position peaked at $20.8M in Q3 2024.
  • 1,268 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.