Aon (AON)
NYSE: AON
· Real-Time Price · USD
370.45
-3.04 (-0.81%)
At close: Sep 05, 2025, 3:59 PM
370.54
0.02%
After-hours: Sep 05, 2025, 06:08 PM EDT
Aon Market Cap
Aon has a market cap or net worth of 79.88B as of Sep 6, 2025. Its market cap has increased by 5.42% in one year.
Market Cap Chart
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 04, 2025 | 80.75B | 3.89% |
| Dec 31, 2024 | 77.72B | 33.33% |
| Dec 29, 2023 | 58.29B | -6.4% |
| Dec 30, 2022 | 62.28B | -3.76% |
| Dec 31, 2021 | 64.71B | 34.87% |
| Dec 31, 2020 | 47.98B | -1.22% |
| Dec 31, 2019 | 48.57B | 37.97% |
| Dec 31, 2018 | 35.21B | 4.55% |
| Dec 29, 2017 | 33.67B | 13.67% |
| Dec 30, 2016 | 29.62B | 18.24% |
| Dec 31, 2015 | 25.05B | -7.04% |
| Dec 31, 2014 | 26.95B | 5.77% |
| Dec 31, 2013 | 25.48B | 43.96% |
| Dec 31, 2012 | 17.7B | 14.42% |
| Dec 30, 2011 | 15.47B | -1.59% |
| Dec 31, 2010 | 15.72B | 48.61% |
| Dec 31, 2009 | 10.58B | -18.55% |
| Dec 31, 2008 | 12.99B | -12.69% |
| Dec 31, 2007 | 14.87B | 40.3% |
| Dec 29, 2006 | 10.6B | -9.14% |
| Dec 30, 2005 | 11.67B | 52.37% |
| Dec 31, 2004 | 7.66B | 0.32% |
| Dec 31, 2003 | 7.63B | 28.46% |
| Dec 31, 2002 | 5.94B | -38.28% |
| Dec 31, 2001 | 9.63B | 9.32% |
| Dec 29, 2000 | 8.81B | -15.18% |
| Dec 31, 1999 | 10.38B | 7.42% |
| Dec 31, 1998 | 9.67B | -3.8% |
| Dec 31, 1997 | 10.05B | 45.26% |
| Dec 31, 1996 | 6.92B | 26.72% |
| Dec 29, 1995 | 5.46B | 57.1% |
| Dec 30, 1994 | 3.47B | 6.7% |
| Dec 31, 1993 | 3.26B | -19.96% |
| Dec 31, 1992 | 4.07B | 53.54% |
| Dec 31, 1991 | 2.65B | 17.14% |
| Dec 31, 1990 | 2.26B | n/a |