Aon plc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-10-31 | 336.43 | 348.61 | 334.80 | 340.68 | 337.55 | 2,460,200 |
| 2025-10-30 | 328.07 | 330.71 | 326.51 | 328.19 | 325.17 | 2,212,400 |
| 2025-10-29 | 327.93 | 329.19 | 324.28 | 326.07 | 323.07 | 1,532,200 |
| 2025-10-28 | 335.21 | 335.21 | 329.00 | 329.96 | 326.93 | 1,212,800 |
| 2025-10-27 | 337.00 | 338.61 | 335.24 | 336.87 | 333.77 | 1,438,700 |
| 2025-10-24 | 340.50 | 342.33 | 337.34 | 337.73 | 334.63 | 842,000 |
| 2025-10-23 | 343.00 | 343.40 | 338.25 | 341.35 | 338.21 | 1,238,200 |
| 2025-10-22 | 343.32 | 344.29 | 340.51 | 343.10 | 339.95 | 1,189,500 |
| 2025-10-21 | 343.80 | 346.37 | 342.18 | 343.43 | 340.27 | 981,500 |
| 2025-10-20 | 347.22 | 347.22 | 341.40 | 344.11 | 340.95 | 935,100 |
← NewerPage 5 of 5 · 250 trading days
Stock splits
| Date | Split (new : old) |
|---|---|
| 1999-05-18 | 3:2 |
| 1997-05-15 | 3:2 |
| 1994-05-17 | 3:2 |
Dividends
| Ex-date | Amount |
|---|---|
| 2026-08-03 | 0.8200 USD |
| 2026-05-01 | 0.8200 USD |
| 2026-02-02 | 0.7450 USD |
| 2025-11-03 | 0.7450 USD |
| 2025-08-01 | 0.7450 USD |
| 2025-05-01 | 0.7450 USD |
| 2025-02-03 | 0.6750 USD |
| 2024-11-01 | 0.6750 USD |
| 2024-08-01 | 0.6750 USD |
| 2024-04-30 | 0.6750 USD |
| 2024-01-31 | 0.6150 USD |
| 2023-10-31 | 0.6150 USD |
| 2023-07-31 | 0.6150 USD |
| 2023-04-28 | 0.6150 USD |
| 2023-01-31 | 0.5600 USD |
| 2022-10-31 | 0.5600 USD |
| 2022-07-29 | 0.5600 USD |
| 2022-04-29 | 0.5600 USD |
| 2022-01-31 | 0.5100 USD |
| 2021-10-29 | 0.5100 USD |
| 2021-07-30 | 0.5100 USD |
| 2021-04-30 | 0.5100 USD |
| 2021-01-29 | 0.4600 USD |
| 2020-10-30 | 0.4600 USD |
| 2020-07-31 | 0.4400 USD |
| 2020-04-30 | 0.4400 USD |
| 2020-01-31 | 0.4400 USD |
| 2019-10-31 | 0.4400 USD |
| 2019-07-31 | 0.4400 USD |
| 2019-04-30 | 0.4400 USD |
| 2019-01-31 | 0.4000 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.