Vanguard Portfolio Management
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Vanguard Portfolio Management’s Aon AON Stock Holding History

Vanguard Portfolio 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 		$2.39B Buy
7,202,991
+2,643,956
+58% +$853M 0.11% 199
2026
Q1 		$1.47B Buy
+4,559,035
New +$1.52B 0.08% 300

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
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
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Vanguard Portfolio Management's AON Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Aon (AON) stake by 58% in Q2 2026, buying an estimated $853M and bringing the position to 7,202,991 shares worth $2.39B. The position accounts for 0.11% of the portfolio, ranked #199.

Vanguard Portfolio Management first reported a position in AON in Q1 2026 and has held it in 2 quarters since. 1,198 funds tracked by Wall St. Rank hold AON as of Q2 2026.

  • Vanguard Portfolio Management held 7,202,991 shares of Aon worth $2.39B as of Q2 2026.
  • Vanguard Portfolio Management bought 2,643,956 Aon shares in Q2 2026, an estimated $853M.
  • Aon made up 0.11% of Vanguard Portfolio Management's portfolio in Q2 2026, its #199 holding.
  • Vanguard Portfolio Management first reported a position in Aon in Q1 2026 and has held it in 2 quarters since.
  • 1,198 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.