Aon AON
NYSE AON
$286.02 -4.80 (-1.65%)
At close: Sep 22, 2026 · 4:00 PM EDT

Aon (AON) Shares Outstanding (Entity) (2009 - 2026)

Analysis

Aon (AON) Shares Outstanding (Entity) (2009 - 2026) Analysis & Trends

Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Entity.) (Qtr)
1 Marsh & Mclennan Companies 81.24 Bn 69.29 Bn 6.04 Bn 478.00 Mn
2 Aon 60.67 Bn 59.43 Bn - 212.13 Mn
3 Arthur J. Gallagher 59.09 Bn 57.73 Bn - 256.30 Mn
4 Willis Towers Watson 28.02 Bn 26.44 Bn 2.09 Bn 92.87 Mn
5 Brown & Brown 20.61 Bn 19.72 Bn 1.41 Bn 330.00 Mn
6 XChange TEC.INC 11.95 Bn 11.95 Bn - -
7 Erie Indemnity 10.83 Bn 10.48 Bn - 46.19 Mn
8 Ryan Specialty Holdings 9.82 Bn 10.19 Bn - 255.54 Mn
9 Hagerty 4.67 Bn 4.81 Bn 244.11 Mn 343.36 Mn
10 Baldwin Insurance 4.45 Bn 4.81 Bn - 139.43 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 212.13 Mn
Mar 31, 2026 213.58 Mn
Dec 31, 2025 214.25 Mn
Sep 30, 2025 214.94 Mn
Jun 30, 2025 215.63 Mn
Mar 31, 2025 215.94 Mn
Dec 31, 2024 216.00 Mn
Sep 30, 2024 216.27 Mn
Jun 30, 2024 217.24 Mn
Mar 31, 2024 217.43 Mn
Dec 31, 2023 198.30 Mn
Sep 30, 2023 200.22 Mn
Jun 30, 2023 202.87 Mn
Mar 31, 2023 204.25 Mn
Dec 31, 2022 205.14 Mn
Sep 30, 2022 206.85 Mn
Jun 30, 2022 210.93 Mn
Mar 31, 2022 212.38 Mn
Dec 31, 2021 213.94 Mn
Sep 30, 2021 220.33 Mn
API Access

Aon Shares Outstanding (Entity) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-entity&ticker=AON&period=max&api_key=YOUR_API_KEY