Plato Investment Management’s Aon AON Stock Holding History

Plato Investment 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	$1.59M	Hold	4,832	–	–	0.09%	207
2026 Q1	$1.56M	Buy	4,832 +135	+3%	+$44.9K	0.1%	202
2025 Q4	$1.67M	Hold	4,697	–	–	0.11%	191
2025 Q3	$1.66M	Sell	4,697 -9	-0.2%	-$3.26K	0.11%	194
2025 Q2	$1.67M	Sell	4,706 -5	-0.1%	-$1.81K	0.13%	178
2025 Q1	$1.9M	Sell	4,711 -1,415	-23%	-$543K	0.16%	152
2024 Q4	$2.21M	Buy	6,126 +1,340	+28%	+$493K	0.16%	136
2024 Q3	$1.65M	Sell	4,786 -3,678	-43%	-$1.2M	0.13%	172
2024 Q2	$2.48M	Hold	8,464	–	–	0.23%	101
2024 Q1	$2.82M	Buy	8,464 +7,864	+1,311%	+$2.44M	0.29%	91
2023 Q4	$175K	Buy	+600	New	+$192K	0.21%	111

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

Plato Investment Management's AON Position: Q2 2026 in Review

Plato Investment Management held its Aon (AON) position steady in Q2 2026 at 4,832 shares worth $1.59M. The position accounts for 0.09% of the portfolio, ranked #207.

Plato Investment Management first reported a position in AON in Q4 2023 and has held it in 11 quarters since. The position peaked at $2.82M in Q1 2024. 1,266 funds tracked by Wall St. Rank hold AON as of Q2 2026.

Plato Investment Management held 4,832 shares of Aon worth $1.59M as of Q2 2026.
Plato Investment Management left its Aon share count unchanged in Q2 2026.
Aon made up 0.09% of Plato Investment Management's portfolio in Q2 2026, its #207 holding.
Plato Investment Management first reported a position in Aon in Q4 2023 and has held it in 11 quarters since.
Plato Investment Management's Aon position peaked at $2.82M in Q1 2024.
1,266 funds tracked by Wall St. Rank held Aon as of Q2 2026.

Based on Plato Investment Management's 13F filing for Q2 2026, filed 7 Aug 2026.