Woodline Partners’s Aon AON Stock Holding History

Woodline Partners’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 Q1	$33M	Sell	102,369 -154,012	-60%	-$51.2M	0.13%	219
2025 Q4	$90.5M	Sell	256,381 -23,704	-8%	-$8.28M	0.35%	56
2025 Q3	$99.9M	Sell	280,085 -132,868	-32%	-$48.1M	0.47%	39
2025 Q2	$147M	Buy	412,953 +76,438	+23%	+$27.7M	0.78%	9
2025 Q1	$134M	Buy	336,515 +95,758	+40%	+$36.7M	0.87%	8
2024 Q4	$86.5M	Sell	240,757 -68,997	-22%	-$25.4M	0.58%	28
2024 Q3	$107M	Buy	309,754 +196,602	+174%	+$64.3M	0.9%	12
2024 Q2	$33.2M	Sell	113,152 -85,926	-43%	-$25.4M	0.32%	90
2024 Q1	$66.4M	Buy	+199,078	New	+$61.7M	0.61%	37

Other funds holding AON

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Woodline Partners's AON Position: Q1 2026 in Review

Woodline Partners reduced its Aon (AON) stake by 60% in Q1 2026, selling an estimated $51.2M and leaving 102,369 shares worth $33M. The position accounts for 0.13% of the portfolio, ranked #219.

Woodline Partners first reported a position in AON in Q1 2024 and has held it in 9 quarters since. The position peaked at $147M in Q2 2025. 1,252 funds tracked by Wall St. Rank hold AON as of Q1 2026.

Woodline Partners held 102,369 shares of Aon worth $33M as of Q1 2026.
Woodline Partners sold 154,012 Aon shares in Q1 2026, an estimated $51.2M.
Aon made up 0.13% of Woodline Partners's portfolio in Q1 2026, its #219 holding.
Woodline Partners first reported a position in Aon in Q1 2024 and has held it in 9 quarters since.
Woodline Partners's Aon position peaked at $147M in Q2 2025.
1,252 funds tracked by Wall St. Rank held Aon as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.