Baupost Group’s Aon AON Stock Holding History

Baupost Group’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	$228M	Sell	687,000 -82,000	-11%	-$26.5M	4.21%	10
2026 Q1	$248M	Buy	+769,000	New	+$256M	4.85%	9

Other funds holding AON

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Baupost Group's AON Position: Q2 2026 in Review

Baupost Group reduced its Aon (AON) stake by 11% in Q2 2026, selling an estimated $26.5M and leaving 687,000 shares worth $228M. The position accounts for 4.21% of the portfolio, ranked #10.

Baupost Group first reported a position in AON in Q1 2026 and has held it in 2 quarters since. The position peaked at $248M in Q1 2026. 1,255 funds tracked by Wall St. Rank hold AON as of Q2 2026.

Baupost Group held 687,000 shares of Aon worth $228M as of Q2 2026.
Baupost Group sold 82,000 Aon shares in Q2 2026, an estimated $26.5M.
Aon made up 4.21% of Baupost Group's portfolio in Q2 2026, its #10 holding.
Baupost Group first reported a position in Aon in Q1 2026 and has held it in 2 quarters since.
Baupost Group's Aon position peaked at $248M in Q1 2026.
1,255 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Baupost Group's 13F filing for Q2 2026, filed 13 Aug 2026.