John Overdeck’s Aon AON Stock Holding History

John Overdeck’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
2022 Q1	–	Sell	-6,100	Closed	-$1.83M	–	2662
2021 Q4	$1.83M	Buy	6,100 +2,100	+53%	+$630K	﹤0.01%	2000
2021 Q3	$1.14M	Buy	+4,000	New	+$1.07M	﹤0.01%	2494
2021 Q2	–	Sell	-3,100	Closed	-$713K	–	4009
2021 Q1	$713K	Sell	3,100 -6,300	-67%	-$1.39M	﹤0.01%	2617
2020 Q4	$1.99M	Buy	+9,400	New	+$1.92M	0.01%	1495
2020 Q2	–	Sell	-3,000	Closed	-$495K	–	2913
2020 Q1	$495K	Sell	3,000 -5,500	-65%	-$1.13M	﹤0.01%	1939
2019 Q4	$1.77M	Buy	8,500 +1,000	+13%	+$198K	0.01%	1689
2019 Q3	$1.45M	Buy	+7,500	New	+$1.45M	﹤0.01%	1677
2019 Q1	–	Sell	-7,000	Closed	-$1.02M	–	2998
2018 Q4	$1.02M	Sell	7,000 -2,700	-28%	-$419K	﹤0.01%	1642
2018 Q3	$1.49M	Sell	9,700 -5,000	-34%	-$731K	﹤0.01%	1688
2018 Q2	$2.02M	Buy	+14,700	New	+$2.07M	0.01%	1613
2017 Q3	–	Sell	-19,000	Closed	-$2.53M	–	2718
2017 Q2	$2.53M	Buy	+19,000	New	+$2.4M	0.01%	1263
2016 Q2	–	Sell	-5,000	Closed	-$522K	–	2884
2016 Q1	$522K	Buy	+5,000	New	+$468K	﹤0.01%	2033

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

John Overdeck's AON Position: Q2 2026 in Review

John Overdeck reduced its Aon (AON) stake by 68% in Q2 2026, selling an estimated $4.27M and leaving 6,297 shares worth $2.09M. The position accounts for ﹤0.01% of the portfolio, ranked #2960.

John Overdeck first reported a position in AON in Q3 2013 and has held it in 35 quarters since. The position peaked at $243M in Q1 2021. 1,256 funds tracked by Wall St. Rank hold AON as of Q2 2026.

John Overdeck held 6,297 shares of Aon worth $2.09M as of Q2 2026.
John Overdeck sold 13,240 Aon shares in Q2 2026, an estimated $4.27M.
Aon made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2960 holding.
John Overdeck first reported a position in Aon in Q3 2013 and has held it in 35 quarters since.
John Overdeck's Aon position peaked at $243M in Q1 2021.
1,256 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.