Aon plc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-08-07 | 363.71 | 366.66 | 361.25 | 365.03 | 361.67 | 1,843,700 |
| 2025-08-06 | 363.20 | 364.34 | 358.32 | 363.68 | 360.34 | 931,800 |
| 2025-08-05 | 360.79 | 364.13 | 359.78 | 361.60 | 358.28 | 1,201,500 |
| 2025-08-04 | 353.78 | 360.88 | 351.58 | 360.40 | 357.09 | 1,133,700 |
| 2025-08-01 | 356.68 | 356.68 | 351.44 | 353.46 | 350.21 | 1,640,900 |
| 2025-07-31 | 352.91 | 360.17 | 352.91 | 355.71 | 351.70 | 1,387,300 |
| 2025-07-30 | 356.00 | 359.53 | 353.73 | 355.34 | 351.34 | 1,526,100 |
| 2025-07-29 | 369.16 | 369.16 | 352.03 | 354.03 | 350.04 | 2,218,400 |
| 2025-07-28 | 371.30 | 373.55 | 367.57 | 369.16 | 365.00 | 1,503,400 |
| 2025-07-25 | 368.51 | 381.00 | 368.51 | 372.89 | 368.69 | 2,251,400 |
| 2025-07-24 | 357.17 | 359.75 | 356.01 | 356.61 | 352.59 | 1,515,500 |
| 2025-07-23 | 355.61 | 357.43 | 351.16 | 357.28 | 353.25 | 1,679,500 |
| 2025-07-22 | 351.98 | 355.82 | 351.60 | 354.22 | 350.23 | 1,960,900 |
| 2025-07-21 | 356.15 | 356.61 | 350.75 | 350.91 | 346.96 | 1,072,300 |
| 2025-07-18 | 354.97 | 358.50 | 352.40 | 356.11 | 352.10 | 1,079,900 |
| 2025-07-17 | 352.61 | 356.49 | 351.35 | 354.63 | 350.63 | 1,220,200 |
| 2025-07-16 | 355.25 | 355.25 | 349.64 | 354.56 | 350.57 | 1,151,000 |
| 2025-07-15 | 357.59 | 359.53 | 352.38 | 352.38 | 348.41 | 1,104,200 |
| 2025-07-14 | 356.88 | 360.00 | 353.83 | 359.82 | 355.77 | 764,300 |
| 2025-07-11 | 357.75 | 360.57 | 355.10 | 355.67 | 351.66 | 857,300 |
| 2025-07-10 | 356.54 | 359.88 | 355.71 | 359.00 | 354.96 | 1,116,800 |
| 2025-07-09 | 353.85 | 357.27 | 352.19 | 356.92 | 352.90 | 875,100 |
| 2025-07-08 | 350.69 | 357.02 | 348.03 | 354.57 | 350.58 | 2,508,000 |
| 2025-07-07 | 354.25 | 356.19 | 351.54 | 353.23 | 349.25 | 1,183,300 |
| 2025-07-03 | 352.87 | 356.31 | 351.49 | 354.76 | 350.76 | 640,700 |
| 2025-07-02 | 354.90 | 358.60 | 345.78 | 351.55 | 347.59 | 1,272,600 |
| 2025-07-01 | 357.13 | 359.07 | 353.44 | 356.93 | 352.91 | 883,200 |
| 2025-06-30 | 352.31 | 357.53 | 351.21 | 356.76 | 352.74 | 1,029,200 |
| 2025-06-27 | 353.51 | 356.68 | 351.12 | 352.73 | 348.76 | 4,487,900 |
| 2025-06-26 | 355.00 | 356.76 | 352.00 | 353.55 | 349.57 | 1,056,800 |
| 2025-06-25 | 360.50 | 360.50 | 354.43 | 354.46 | 350.47 | 1,074,100 |
| 2025-06-24 | 361.09 | 361.47 | 355.17 | 360.68 | 356.62 | 1,269,900 |
| 2025-06-23 | 354.10 | 360.38 | 353.44 | 359.95 | 355.89 | 1,176,600 |
| 2025-06-20 | 351.47 | 357.19 | 351.46 | 354.70 | 350.70 | 1,775,300 |
| 2025-06-18 | 350.81 | 353.43 | 347.75 | 350.83 | 346.88 | 1,035,600 |
| 2025-06-17 | 348.54 | 351.59 | 346.70 | 350.81 | 346.86 | 1,171,300 |
| 2025-06-16 | 353.99 | 355.79 | 349.39 | 350.04 | 346.10 | 1,694,000 |
| 2025-06-13 | 353.60 | 356.25 | 352.41 | 353.00 | 349.02 | 1,025,300 |
| 2025-06-12 | 351.54 | 356.11 | 349.75 | 355.78 | 351.77 | 1,366,400 |
| 2025-06-11 | 350.55 | 352.05 | 347.42 | 349.48 | 345.54 | 1,616,400 |
| 2025-06-10 | 357.31 | 357.89 | 350.67 | 351.71 | 347.75 | 1,108,500 |
| 2025-06-09 | 369.50 | 369.84 | 351.49 | 353.83 | 349.84 | 1,898,800 |
| 2025-06-06 | 372.95 | 374.61 | 370.03 | 371.09 | 366.91 | 705,600 |
| 2025-06-05 | 372.28 | 372.30 | 366.99 | 370.49 | 366.32 | 1,177,700 |
| 2025-06-04 | 374.78 | 376.17 | 370.31 | 372.62 | 368.42 | 852,300 |
| 2025-06-03 | 377.43 | 379.91 | 371.50 | 374.48 | 370.26 | 1,169,100 |
| 2025-06-02 | 368.06 | 376.57 | 367.94 | 376.16 | 371.92 | 1,240,900 |
| 2025-05-30 | 366.68 | 372.99 | 365.54 | 372.08 | 367.89 | 1,849,200 |
| 2025-05-29 | 360.74 | 366.92 | 359.26 | 366.92 | 362.79 | 1,272,300 |
| 2025-05-28 | 363.52 | 366.14 | 360.77 | 361.32 | 357.25 | 832,400 |
| 2025-05-27 | 359.87 | 366.23 | 357.21 | 365.06 | 360.95 | 1,076,900 |
| 2025-05-23 | 355.39 | 357.28 | 351.90 | 356.54 | 352.52 | 1,087,300 |
| 2025-05-22 | 357.23 | 358.43 | 352.86 | 355.33 | 351.33 | 811,600 |
| 2025-05-21 | 361.11 | 362.21 | 357.35 | 358.06 | 354.03 | 910,000 |
| 2025-05-20 | 364.67 | 364.80 | 361.87 | 362.43 | 358.35 | 678,100 |
| 2025-05-19 | 361.61 | 365.31 | 360.30 | 364.96 | 360.85 | 1,140,100 |
| 2025-05-16 | 358.53 | 362.27 | 357.70 | 361.92 | 357.84 | 1,096,900 |
| 2025-05-15 | 353.15 | 358.99 | 353.15 | 358.59 | 354.55 | 1,135,600 |
| 2025-05-14 | 355.29 | 355.62 | 347.42 | 352.22 | 348.25 | 1,528,100 |
| 2025-05-13 | 357.09 | 360.22 | 354.91 | 355.07 | 351.07 | 1,333,200 |
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.