Aon plc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-27 | 319.53 | 325.95 | 319.00 | 323.78 | 322.19 | 1,248,900 |
| 2026-04-24 | 322.42 | 323.79 | 318.64 | 321.14 | 319.57 | 761,200 |
| 2026-04-23 | 326.35 | 328.13 | 321.60 | 323.56 | 321.97 | 941,300 |
| 2026-04-22 | 333.80 | 334.92 | 324.28 | 326.86 | 325.26 | 1,281,900 |
| 2026-04-21 | 332.93 | 336.89 | 331.75 | 335.32 | 333.68 | 1,215,000 |
| 2026-04-20 | 331.45 | 334.35 | 330.91 | 331.95 | 330.32 | 792,200 |
| 2026-04-17 | 333.27 | 336.35 | 331.43 | 331.80 | 330.17 | 1,161,400 |
| 2026-04-16 | 329.87 | 337.98 | 328.27 | 335.34 | 333.70 | 1,350,000 |
| 2026-04-15 | 323.80 | 329.29 | 321.75 | 328.08 | 326.47 | 1,093,700 |
| 2026-04-14 | 321.75 | 324.43 | 320.95 | 323.02 | 321.44 | 1,270,500 |
| 2026-04-13 | 315.00 | 325.68 | 313.00 | 325.40 | 323.81 | 1,687,500 |
| 2026-04-10 | 323.16 | 323.29 | 307.81 | 312.57 | 311.04 | 2,414,200 |
| 2026-04-09 | 326.54 | 328.17 | 322.69 | 325.40 | 323.81 | 1,314,400 |
| 2026-04-08 | 322.47 | 330.93 | 321.58 | 329.76 | 328.14 | 1,397,600 |
| 2026-04-07 | 325.61 | 326.55 | 320.10 | 322.47 | 320.89 | 1,187,700 |
| 2026-04-06 | 321.21 | 327.27 | 321.21 | 326.17 | 324.57 | 867,100 |
| 2026-04-02 | 321.94 | 328.79 | 319.57 | 323.14 | 321.56 | 1,124,100 |
| 2026-04-01 | 321.88 | 325.39 | 318.00 | 321.34 | 319.77 | 1,081,400 |
| 2026-03-31 | 326.05 | 326.69 | 319.90 | 322.78 | 321.20 | 1,413,800 |
| 2026-03-30 | 316.45 | 325.38 | 315.66 | 324.06 | 322.47 | 1,216,600 |
| 2026-03-27 | 322.19 | 328.00 | 312.05 | 313.66 | 312.12 | 1,344,000 |
| 2026-03-26 | 320.83 | 326.60 | 320.83 | 323.77 | 322.18 | 1,211,500 |
| 2026-03-25 | 325.36 | 327.46 | 317.46 | 321.45 | 319.88 | 956,600 |
| 2026-03-24 | 327.56 | 328.84 | 324.96 | 327.03 | 325.43 | 1,180,400 |
| 2026-03-23 | 327.99 | 328.29 | 323.51 | 325.97 | 324.37 | 1,300,900 |
| 2026-03-20 | 317.24 | 326.56 | 317.24 | 325.63 | 324.03 | 2,408,700 |
| 2026-03-19 | 320.00 | 320.80 | 315.64 | 316.99 | 315.44 | 1,314,500 |
| 2026-03-18 | 319.67 | 320.30 | 314.80 | 317.88 | 316.32 | 984,200 |
| 2026-03-17 | 326.75 | 333.26 | 319.23 | 321.18 | 319.61 | 1,590,900 |
| 2026-03-16 | 322.60 | 327.26 | 320.13 | 326.75 | 325.15 | 1,067,800 |
| 2026-03-13 | 320.01 | 324.20 | 318.02 | 321.41 | 319.84 | 1,124,100 |
| 2026-03-12 | 316.00 | 323.26 | 313.81 | 315.91 | 314.36 | 1,866,400 |
| 2026-03-11 | 320.96 | 322.04 | 316.55 | 316.90 | 315.35 | 1,319,200 |
| 2026-03-10 | 332.22 | 332.22 | 320.44 | 320.96 | 319.39 | 1,412,300 |
| 2026-03-09 | 341.55 | 342.38 | 329.75 | 332.84 | 331.21 | 1,708,500 |
| 2026-03-06 | 337.37 | 341.46 | 334.09 | 340.60 | 338.93 | 1,187,700 |
| 2026-03-05 | 338.97 | 341.86 | 336.49 | 338.77 | 337.11 | 1,554,700 |
| 2026-03-04 | 337.42 | 344.65 | 337.37 | 341.18 | 339.51 | 2,026,300 |
| 2026-03-03 | 333.37 | 339.36 | 331.71 | 339.07 | 337.41 | 1,414,600 |
| 2026-03-02 | 332.02 | 340.32 | 331.96 | 337.80 | 336.15 | 1,270,700 |
| 2026-02-27 | 331.00 | 337.97 | 330.56 | 335.47 | 333.83 | 2,126,200 |
| 2026-02-26 | 325.50 | 332.00 | 325.16 | 330.27 | 328.65 | 1,062,000 |
| 2026-02-25 | 319.90 | 325.04 | 317.78 | 324.66 | 323.07 | 1,410,600 |
| 2026-02-24 | 316.96 | 321.30 | 312.58 | 319.33 | 317.77 | 1,471,200 |
| 2026-02-23 | 324.71 | 326.44 | 314.89 | 315.31 | 313.77 | 1,425,700 |
| 2026-02-20 | 325.94 | 327.20 | 323.18 | 325.07 | 323.48 | 1,265,000 |
| 2026-02-19 | 322.77 | 324.31 | 320.91 | 324.30 | 322.71 | 1,015,300 |
| 2026-02-18 | 322.93 | 326.41 | 321.03 | 322.98 | 321.40 | 1,172,300 |
| 2026-02-17 | 324.85 | 329.57 | 320.00 | 325.96 | 324.36 | 1,862,300 |
| 2026-02-13 | 317.95 | 322.39 | 313.16 | 321.70 | 320.12 | 2,220,200 |
| 2026-02-12 | 309.71 | 317.58 | 304.59 | 314.49 | 312.95 | 2,827,500 |
| 2026-02-11 | 315.32 | 317.91 | 307.01 | 309.97 | 308.45 | 2,960,100 |
| 2026-02-10 | 312.99 | 322.08 | 312.99 | 317.92 | 316.36 | 3,966,900 |
| 2026-02-09 | 340.76 | 343.92 | 309.13 | 310.34 | 308.82 | 3,885,900 |
| 2026-02-06 | 344.71 | 345.00 | 340.58 | 342.04 | 340.36 | 1,326,100 |
| 2026-02-05 | 350.32 | 353.68 | 343.19 | 343.36 | 341.68 | 1,421,900 |
| 2026-02-04 | 348.28 | 355.96 | 348.18 | 350.21 | 348.49 | 1,272,700 |
| 2026-02-03 | 347.31 | 351.15 | 343.20 | 346.84 | 345.14 | 1,266,300 |
| 2026-02-02 | 353.14 | 358.04 | 348.25 | 349.61 | 347.90 | 1,371,700 |
| 2026-01-30 | 346.96 | 351.80 | 341.17 | 349.64 | 347.19 | 1,938,400 |
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.