Market cap:
$77.56B+$675.99M(+0.88%)Summary
- As of today (September 17, 2025), AON market capitalization is $77.56 billion, with a rise of +$675.99 million (+0.88%) during the current trading session.
- Over the past year, AON market cap has increased by +$1.70 billion (+2.24%).
- AON market cap is now -12.27% below its all-time high of $88.41 billion.
Performance
AON Market cap Chart
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Highlights
Range
Related metrics
Market cap Formula
Market Cap = Price ✕ Shares Outstanding
AON Market cap Trends
| PeriodPeriod | Market capMarket cap | PricePrice | Shares outstandingShares outstanding | Enterprise valueEnterprise value |
|---|---|---|---|---|
| todaytoday | +0.9% | +0.9% | -0.0% | +0.7% |
| 1 m1 month | -2.0% | -2.0% | - | -1.6% |
| 3 m3 months | +2.4% | +2.5% | - | +1.5% |
| 6 m6 months | -8.2% | -8.0% | - | -6.6% |
| ytdytd | -0.0% | +0.1% | - | +0.2% |
| 1 y1 year | +2.2% | +3.0% | -0.7% | +1.2% |
| 5 y5 years | +66.0% | +78.4% | -6.9% | +72.9% |
AON Market cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | $80.92B | -4.2% | $76.89B | +0.9% |
| 3 m | 3-month | $80.92B | -4.2% | $75.69B | +2.5% |
| 6 m | 6-month | $86.30B | -10.1% | $72.52B | +7.0% |
| 1 y | 1-year | $88.41B | -12.3% | $72.52B | +7.0% |
| 3 y | 3-year | $88.41B | -12.3% | $55.61B | +39.5% |
| 5 y | 5-year | $88.41B | -12.3% | $41.14B | +88.5% |
| alltime | all time | $88.41B | -12.3% | $935M | +8199.4% |
AON Market cap History
| Date | Value |
|---|---|
| 2025 | $77.56B(-0.0%) |
| 2024 | $77.58B(+34.2%) |
| 2023 | $57.80B(-6.2%) |
| 2022 | $61.65B(-4.5%) |
| 2021 | $64.56B(+35.5%) |
| 2020 | $47.64B(-1.5%) |
| 2019 | $48.34B(+38.5%) |
| 2018 | $34.90B(+5.2%) |
| 2017 | $33.18B(+13.5%) |
| 2016 | $29.22B(+17.5%) |
| 2015 | $24.88B(-6.3%) |
| 2014 | $26.55B(+5.3%) |
| 2013 | $25.23B(+45.9%) |
| 2012 | $17.29B(+13.7%) |
| 2011 | $15.20B(-0.6%) |
| 2010 | $15.29B(+49.7%) |
| 2009 | $10.21B(-17.2%) |
| 2008 | $12.32B(-15.1%) |
| 2007 | $14.51B(+37.1%) |
| 2006 | $10.59B(-8.3%) |
| 2005 | $11.55B(+52.8%) |
| Date | Value |
|---|---|
| 2004 | $7.56B(+0.6%) |
| 2003 | $7.52B(+45.8%) |
| 2002 | $5.16B(-46.1%) |
| 2001 | $9.56B(+6.8%) |
| 2000 | $8.95B(-12.7%) |
| 1999 | $10.26B(+8.9%) |
| 1998 | $9.42B(-5.8%) |
| 1997 | $10.00B(+45.0%) |
| 1996 | $6.89B(+26.6%) |
| 1995 | $5.45B(+62.5%) |
| 1994 | $3.35B(+2.5%) |
| 1993 | $3.27B(-5.4%) |
| 1992 | $3.46B(+33.9%) |
| 1991 | $2.58B(+14.3%) |
| 1990 | $2.26B(-17.7%) |
| 1989 | $2.75B(+54.9%) |
| 1988 | $1.77B(+20.0%) |
| 1987 | $1.48B(-14.9%) |
| 1986 | $1.74B(+3.4%) |
| 1985 | $1.68B(+36.8%) |
| 1984 | $1.23B |
FAQ
- What is Aon plc market capitalization?
- What is the all time high market cap for Aon plc?
- What is AON market capitalization year-to-date change?
- What is Aon plc market cap year-on-year change?
What is Aon plc market capitalization?
The current market cap of AON is $77.56B
What is the all time high market cap for Aon plc?
Aon plc all-time high market capitalization is $88.41B
What is AON market capitalization year-to-date change?
Aon plc market capitalization has changed by -$16.59M (-0.02%) since the beginning of the year
What is Aon plc market cap year-on-year change?
Over the past year, AON market capitalization has changed by +$1.70B (+2.24%)