Aon plc (AON)
NYSE · Financial Services
Aon plc Stock Price History 2020–2025
Aon plc
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Historical daily closing price for Aon plc since 2006, adjusted for splits and dividends. The latest closing stock price for Aon plc as of June 10, 2026 is 336.33.
- The all-time high Aon plc stock closing price was 409.32 on March 3, 2025.
- The Aon plc 52-week high stock price is 375.27, which is 11.6% above the current share price.
- The Aon plc 52-week low stock price is 308.27, which is 8.3% below the current share price.
- The average Aon plc stock price for the last 52 weeks is 343.20.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2026 | 327.58 | 344.27 | 351.97 | 308.27 | 336.33 | -4.69% |
| 2025 | 363.87 | 354.98 | 409.32 | 326.07 | 352.88 | -1.75% |
| 2024 | 325.44 | 288.02 | 393.31 | 275.82 | 359.16 | +23.41% |
| 2023 | 321.34 | 299.42 | 345.20 | 285.85 | 291.02 | -3.04% |
| 2022 | 288.26 | 293.24 | 333.61 | 248.50 | 300.14 | -0.14% |
| 2021 | 258.74 | 204.55 | 321.08 | 202.13 | 300.56 | +42.26% |
| 2020 | 198.74 | 208.79 | 237.43 | 145.48 | 211.27 | +1.43% |
| 2019 | 183.84 | 144.04 | 209.93 | 141.88 | 208.29 | +43.29% |
| 2018 | 145.65 | 131.49 | 165.58 | 131.49 | 145.36 | +8.48% |
| 2017 | 130.99 | 112.08 | 152.38 | 111.17 | 134.00 | +20.15% |
| 2016 | 105.41 | 90.71 | 115.95 | 84.62 | 111.53 | +20.95% |
Aon PLC Stock Price History — FAQ
Aon PLC (AON) stock price history over the last 6 years — annual and quarterly figures with year-over-year growth and charts.
Where can I see AON's stock price history history?
The chart and table above show Aon PLC's stock price history by year and by quarter, including the growth rate.