AON
Aon plc
- Market cap
- 1-year change
- 5-year CAGR
- 10-year CAGR
Market cap
Market cap by year
| Date | Close | Shares | Market cap | Change |
|---|---|---|---|---|
| Dec 31, 2025 | $352.88 | 214.9M | $75.8B | −2.4% |
| Dec 31, 2024 | $359.16 | 216.3M | $77.7B | +33.3% |
| Dec 29, 2023 | $291.02 | 200.2M | $58.3B | −6.1% |
| Dec 30, 2022 | $300.14 | 206.9M | $62.1B | −6.2% |
| Dec 31, 2021 | $300.56 | 220.3M | $66.2B | +37.1% |
| Dec 31, 2020 | $211.27 | 228.6M | $48.3B | −1.0% |
| Dec 31, 2019 | $208.29 | 234.1M | $48.8B | +39.3% |
| Dec 31, 2018 | $145.36 | 240.8M | $35.0B | +4.5% |
| Dec 29, 2017 | $134.00 | 249.9M | $33.5B | +14.1% |
| Dec 30, 2016 | $111.53 | 263.1M | $29.3B | +16.2% |
| Dec 31, 2015 | $92.21 | 273.9M | $25.3B | −6.6% |
| Dec 31, 2014 | $94.83 | 285.1M | $27.0B | +7.1% |
| Dec 31, 2013 | $83.89 | 301.0M | $25.3B | +42.5% |
| Dec 31, 2012 | $55.61 | 318.7M | $17.7B | +17.1% |
| Dec 30, 2011 | $46.80 | 323.3M | $15.1B | +21.4% |
| Dec 31, 2010 | $46.01 | 270.9M | $12.5B | +18.7% |
| Dec 31, 2009 | $38.34 | 273.9M | $10.5B | — |