Aon plc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2025-05-12 | 353.18 | 355.10 | 347.75 | 353.57 | 349.59 | 1,288,100 |
| 2025-05-09 | 357.09 | 358.59 | 352.55 | 354.32 | 350.33 | 747,900 |
| 2025-05-08 | 360.04 | 363.61 | 357.00 | 357.11 | 353.09 | 1,181,600 |
| 2025-05-07 | 358.66 | 361.69 | 358.19 | 359.72 | 355.67 | 1,201,800 |
| 2025-05-06 | 355.00 | 360.26 | 352.11 | 357.93 | 353.90 | 1,893,800 |
| 2025-05-05 | 356.25 | 357.72 | 351.68 | 355.49 | 351.48 | 1,153,000 |
| 2025-05-02 | 356.54 | 358.00 | 352.68 | 356.25 | 352.24 | 1,114,600 |
| 2025-05-01 | 351.18 | 356.61 | 351.18 | 351.54 | 347.58 | 1,198,000 |
| 2025-04-30 | 349.00 | 355.68 | 345.90 | 354.79 | 350.06 | 1,752,200 |
| 2025-04-29 | 340.03 | 350.26 | 340.03 | 349.90 | 345.23 | 2,571,300 |
| 2025-04-28 | 339.41 | 346.34 | 334.67 | 343.47 | 338.89 | 2,943,900 |
| 2025-04-25 | 341.50 | 346.51 | 323.73 | 335.85 | 331.37 | 5,317,700 |
| 2025-04-24 | 364.99 | 367.38 | 363.13 | 365.05 | 360.18 | 1,889,900 |
| 2025-04-23 | 370.36 | 371.73 | 365.89 | 368.83 | 363.91 | 1,145,300 |
| 2025-04-22 | 360.95 | 369.59 | 357.73 | 368.52 | 363.60 | 1,811,300 |
| 2025-04-21 | 365.75 | 365.75 | 351.18 | 355.95 | 351.20 | 1,363,900 |
| 2025-04-17 | 374.11 | 374.11 | 362.27 | 367.41 | 362.51 | 1,562,800 |
| 2025-04-16 | 381.86 | 382.32 | 371.25 | 372.82 | 367.85 | 978,200 |
| 2025-04-15 | 384.34 | 386.45 | 378.86 | 379.11 | 374.05 | 845,600 |
| 2025-04-14 | 379.89 | 387.69 | 378.05 | 384.34 | 379.21 | 1,536,700 |
| 2025-04-11 | 370.48 | 377.20 | 365.34 | 376.30 | 371.28 | 1,759,600 |
| 2025-04-10 | 371.15 | 373.94 | 362.79 | 369.02 | 364.10 | 1,427,700 |
| 2025-04-09 | 358.64 | 374.77 | 351.36 | 373.37 | 368.39 | 2,952,300 |
| 2025-04-08 | 373.67 | 376.39 | 355.20 | 360.23 | 355.42 | 1,950,400 |
| 2025-04-07 | 371.48 | 375.96 | 358.50 | 364.35 | 359.49 | 1,861,900 |
| 2025-04-04 | 389.43 | 395.75 | 373.77 | 375.76 | 370.75 | 2,392,000 |
| 2025-04-03 | 392.28 | 400.59 | 391.38 | 394.29 | 389.03 | 1,219,100 |
| 2025-04-02 | 397.88 | 397.88 | 390.23 | 396.03 | 390.75 | 1,013,700 |
| 2025-04-01 | 398.41 | 401.03 | 395.70 | 398.81 | 393.49 | 765,700 |
| 2025-03-31 | 396.44 | 401.00 | 394.24 | 399.09 | 393.77 | 1,339,100 |
| 2025-03-28 | 399.54 | 402.49 | 393.85 | 394.55 | 389.29 | 1,142,300 |
| 2025-03-27 | 398.71 | 400.07 | 395.42 | 399.54 | 394.21 | 1,528,000 |
| 2025-03-26 | 397.28 | 399.43 | 394.77 | 396.73 | 391.44 | 884,100 |
| 2025-03-25 | 393.94 | 398.55 | 392.55 | 396.14 | 390.85 | 839,200 |
| 2025-03-24 | 393.03 | 394.85 | 391.05 | 393.15 | 387.90 | 1,143,600 |
| 2025-03-21 | 392.29 | 395.00 | 388.94 | 390.35 | 385.14 | 1,359,500 |
| 2025-03-20 | 390.17 | 395.35 | 388.74 | 393.17 | 387.92 | 855,300 |
| 2025-03-19 | 389.79 | 391.83 | 387.80 | 390.38 | 385.17 | 933,300 |
| 2025-03-18 | 391.55 | 391.98 | 387.70 | 390.05 | 384.85 | 1,584,600 |
| 2025-03-17 | 396.30 | 398.00 | 387.16 | 390.98 | 385.76 | 1,825,600 |
| 2025-03-14 | 395.30 | 399.77 | 392.24 | 398.79 | 393.47 | 742,900 |
| 2025-03-13 | 398.30 | 400.48 | 392.85 | 394.20 | 388.94 | 918,400 |
| 2025-03-12 | 398.75 | 399.71 | 392.25 | 398.29 | 392.98 | 1,573,900 |
| 2025-03-11 | 399.39 | 401.63 | 395.58 | 399.74 | 394.41 | 1,770,400 |
| 2025-03-10 | 402.53 | 407.07 | 396.30 | 398.99 | 393.67 | 2,097,600 |
| 2025-03-07 | 401.01 | 403.83 | 398.34 | 403.09 | 397.71 | 1,300,600 |
| 2025-03-06 | 402.10 | 403.83 | 398.94 | 401.60 | 396.24 | 907,900 |
| 2025-03-05 | 402.46 | 407.00 | 397.30 | 404.07 | 398.68 | 1,459,200 |
| 2025-03-04 | 410.05 | 411.18 | 403.80 | 404.68 | 399.28 | 1,484,200 |
| 2025-03-03 | 410.15 | 412.97 | 405.73 | 409.32 | 403.86 | 2,089,200 |
| 2025-02-28 | 406.31 | 409.99 | 400.09 | 409.12 | 403.66 | 1,641,900 |
| 2025-02-27 | 399.81 | 408.26 | 397.85 | 404.00 | 398.61 | 1,095,400 |
| 2025-02-26 | 397.00 | 400.22 | 395.01 | 399.23 | 393.90 | 1,504,200 |
| 2025-02-25 | 393.62 | 398.10 | 392.01 | 397.57 | 392.27 | 1,530,300 |
| 2025-02-24 | 390.79 | 396.15 | 388.51 | 392.18 | 386.95 | 1,280,300 |
| 2025-02-21 | 391.81 | 393.77 | 388.54 | 389.56 | 384.36 | 1,751,200 |
| 2025-02-20 | 393.64 | 394.00 | 388.37 | 393.07 | 387.83 | 667,900 |
| 2025-02-19 | 391.80 | 395.65 | 391.15 | 394.87 | 389.60 | 854,300 |
| 2025-02-18 | 386.00 | 392.72 | 385.00 | 391.09 | 385.87 | 1,029,700 |
| 2025-02-14 | 390.06 | 391.41 | 386.55 | 386.99 | 381.83 | 740,400 |
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.