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Melissa S. Kampmann’s Aon AON Stock Holding History

Melissa S. Kampmann’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 		$1.29M Sell
3,900
-3,455
-47% -$1.11M 0.98% 34
2026
Q1 		$2.37M Sell
7,355
-1,130
-13% -$376K 1.91% 24
2025
Q4 		$2.82M Sell
8,485
-320
-4% -$112K 2.09% 24
2025
Q3 		$3.14M Sell
8,805
-320
-4% -$116K 2.29% 22
2025
Q2 		$3.26M Sell
9,125
-110
-1% -$39.9K 2.44% 22
2025
Q1 		$3.69M Buy
9,235
+15
+0.2% +$5.75K 2.91% 13
2024
Q4 		$3.31M Sell
9,220
-795
-8% -$292K 2.61% 17
2024
Q3 		$3.47M Buy
10,015
+25
+0.3% +$8.18K 2.45% 21
2024
Q2 		$2.93M Sell
9,990
-30
-0.3% -$8.87K 2.14% 25
2024
Q1 		$3.34M Buy
10,020
+1,245
+14% +$386K 2.4% 22
2023
Q4 		$2.55M Buy
8,775
+95
+1% +$30.4K 2.19% 24
2023
Q3 		$2.81M Buy
+8,680
New +$2.87M 2.72% 17

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

Melissa S. Kampmann's AON Position: Q2 2026 in Review

Melissa S. Kampmann reduced its Aon (AON) stake by 47% in Q2 2026, selling an estimated $1.11M and leaving 3,900 shares worth $1.29M. The position accounts for 0.98% of the portfolio, ranked #34.

Melissa S. Kampmann first reported a position in AON in Q3 2023 and has held it in 12 quarters since. The position peaked at $3.69M in Q1 2025. 1,268 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Melissa S. Kampmann held 3,900 shares of Aon worth $1.29M as of Q2 2026.
  • Melissa S. Kampmann sold 3,455 Aon shares in Q2 2026, an estimated $1.11M.
  • Aon made up 0.98% of Melissa S. Kampmann's portfolio in Q2 2026, its #34 holding.
  • Melissa S. Kampmann first reported a position in Aon in Q3 2023 and has held it in 12 quarters since.
  • Melissa S. Kampmann's Aon position peaked at $3.69M in Q1 2025.
  • 1,268 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Melissa S. Kampmann's 13F filing for Q2 2026, filed 29 Jul 2026.