Aon AON
NYSE AON
$355.11 +3.18 (+0.90%)
At close: Aug 21, 2026 · 4:00 PM EDT

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

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

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 XChange TEC.INC 265.99 Bn 265.99 Bn - 61.86 Bn
2 Marsh & Mclennan Companies 92.14 Bn 79.94 Bn 6.04 Bn 482.00 Mn
3 Aon 75.64 Bn 74.37 Bn - 213.90 Mn
4 Arthur J. Gallagher 67.55 Bn 66.16 Bn - -
5 Willis Towers Watson 32.13 Bn 30.47 Bn 2.09 Bn 94.00 Mn
6 Brown & Brown 23.98 Bn 23.06 Bn 1.41 Bn 334.00 Mn
7 Erie Indemnity 12.29 Bn 11.94 Bn - 52.30 Mn
8 Neptune Insurance Holdings 4.61 Bn 4.59 Bn - 146.19 Mn
9 Accelerant Holdings 4.28 Bn 2.62 Bn 285.20 Mn 219.69 Mn
10 Corvel 3.60 Bn 3.25 Bn - 51.58 Mn

Historic Data

Download Data
DateValue
Jun 30, 2026 213.90 Mn
Mar 31, 2026 215.40 Mn
Dec 31, 2025 217.10 Mn
Sep 30, 2025 216.70 Mn
Jun 30, 2025 217.30 Mn
Mar 31, 2025 217.90 Mn
Dec 31, 2024 212.50 Mn
Sep 30, 2024 218.40 Mn
Jun 30, 2024 213.30 Mn
Mar 31, 2024 200.10 Mn
Dec 31, 2023 205.00 Mn
Sep 30, 2023 204.60 Mn
Jun 30, 2023 206.30 Mn
Mar 31, 2023 207.10 Mn
Dec 31, 2022 213.20 Mn
Sep 30, 2022 212.60 Mn
Jun 30, 2022 214.70 Mn
Mar 31, 2022 216.40 Mn
Dec 31, 2021 226.10 Mn
Sep 30, 2021 225.40 Mn