Ridgewood Investments’s Aon AON Stock Holding History

Ridgewood Investments’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	$378K	Buy	+1,171	New	+$389K	0.15%	160
2025 Q3	$497K	Hold	1,395	–	–	0.21%	129
2025 Q2	$498K	Hold	1,395	–	–	0.22%	116
2025 Q1	$557K	Sell	1,395 -646	-32%	-$248K	0.26%	107
2024 Q4	$733K	Hold	2,041	–	–	0.35%	83
2024 Q3	$706K	Hold	2,041	–	–	0.35%	83
2024 Q2	$599K	Hold	2,041	–	–	0.3%	100
2024 Q1	$681K	Hold	2,041	–	–	0.36%	91
2023 Q4	$594K	Hold	2,041	–	–	0.35%	99
2023 Q3	$662K	Hold	2,041	–	–	0.43%	76
2023 Q2	$705K	Hold	2,041	–	–	0.4%	71
2023 Q1	$644K	Hold	2,041	–	–	0.39%	73
2022 Q4	$613K	Hold	2,041	–	–	0.44%	79
2022 Q3	$547K	Hold	2,041	–	–	0.46%	75
2022 Q2	$550K	Sell	2,041 -150	-7%	-$43.1K	0.43%	78
2022 Q1	$713K	Buy	+2,191	New	+$637K	0.47%	71

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

Ridgewood Investments's AON Position: Q1 2026 in Review

Ridgewood Investments opened a new position in Aon (AON) in Q1 2026: 1,171 shares worth $378K. The stake represents 0.15% of the portfolio and ranks #160 among its holdings. This is a return to the name: Ridgewood Investments previously reported a position in AON as recently as Q3 2025.

Ridgewood Investments first reported a position in AON in Q1 2022 and has held it in 16 quarters since. The position peaked at $733K in Q4 2024. 1,252 funds tracked by Wall St. Rank hold AON as of Q1 2026.

Ridgewood Investments held 1,171 shares of Aon worth $378K as of Q1 2026.
Aon was a new Ridgewood Investments position in Q1 2026.
Aon made up 0.15% of Ridgewood Investments's portfolio in Q1 2026, its #160 holding.
Ridgewood Investments first reported a position in Aon in Q1 2022 and has held it in 16 quarters since.
Ridgewood Investments's Aon position peaked at $733K in Q4 2024.
1,252 funds tracked by Wall St. Rank held Aon as of Q1 2026.

Based on Ridgewood Investments's 13F filing for Q1 2026, filed 3 Apr 2026.