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Rossby Financial’s Aon AON Stock Holding History

Rossby Financial’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 		$70K Buy
211
+53
+34% +$17.1K 0.01% 615
2026
Q1 		$50.8K Buy
158
+39
+33% +$13K 0.01% 725
2025
Q4 		$42K Sell
119
-304
-72% -$106K 0.01% 584
2025
Q3 		$152K Buy
423
+17
+4% +$6.15K 0.05% 328
2025
Q2 		$145K Buy
406
+34
+9% +$12.3K 0.05% 310
2025
Q1 		$125K Buy
+372
New +$143K 0.05% 307

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

Rossby Financial's AON Position: Q2 2026 in Review

Rossby Financial increased its Aon (AON) stake by 34% in Q2 2026, buying an estimated $17.1K and bringing the position to 211 shares worth $70K. The position accounts for 0.01% of the portfolio, ranked #615.

Rossby Financial first reported a position in AON in Q1 2025 and has held it in 6 quarters since. The position peaked at $152K in Q3 2025. 1,263 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Rossby Financial held 211 shares of Aon worth $70K as of Q2 2026.
  • Rossby Financial bought 53 Aon shares in Q2 2026, an estimated $17.1K.
  • Aon made up 0.01% of Rossby Financial's portfolio in Q2 2026, its #615 holding.
  • Rossby Financial first reported a position in Aon in Q1 2025 and has held it in 6 quarters since.
  • Rossby Financial's Aon position peaked at $152K in Q3 2025.
  • 1,263 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.