If you invested $1000 in Aon plc (AON) 10 years ago, it would be worth $2,682.77 as of October 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,002.07, while $1000 invested 1 year ago would be worth $768.3. This corresponds to total returns of 168.28%, 0.21%, -23.17%, respectively, with annualized returns of 10.37%, 0.04%, -23.17%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 01, 2026 | 277.48 | 275.95 | 275.95 | 279.49 | 274.81 | 1.96M |
| September 30, 2026 | 275.78 | 276.77 | 276.77 | 278.19 | 273.8 | 2.28M |
| September 29, 2026 | 269.91 | 275.9 | 275.9 | 276.97 | 269.02 | 1.97M |
| September 28, 2026 | 277.5 | 272.1 | 272.1 | 278.4 | 270 | 1.83M |
| September 25, 2026 | 277 | 277.99 | 277.99 | 280.98 | 276.52 | 1.6M |
| September 24, 2026 | 281.6 | 276.09 | 276.09 | 283.03 | 275.38 | 2.67M |
| September 23, 2026 | 284.67 | 281.6 | 281.6 | 286.8 | 281.18 | 1.7M |
| September 22, 2026 | 291.06 | 286.1 | 286.1 | 293.55 | 282.76 | 2.54M |
| September 21, 2026 | 297.01 | 290.82 | 290.82 | 297.87 | 290.7 | 1.93M |
| September 18, 2026 | 294.25 | 295.64 | 295.64 | 297.73 | 293 | 3.18M |
| September 17, 2026 | 299.54 | 296.05 | 296.05 | 302.12 | 295.78 | 3.2M |
| September 16, 2026 | 303.4 | 300.57 | 300.57 | 304.06 | 298.48 | 3.16M |
| September 15, 2026 | 311.6 | 304.67 | 304.67 | 311.98 | 304.59 | 1.79M |
| September 11, 2026 | 310.85 | 302.69 | 302.69 | 311.89 | 302.44 | 2.05M |
| September 10, 2026 | 304.97 | 307.77 | 307.77 | 310.04 | 304.2 | 2.42M |
| September 09, 2026 | 313.45 | 304.69 | 304.69 | 315.67 | 303.59 | 2.25M |
| September 08, 2026 | 316.78 | 315.79 | 315.79 | 321.57 | 314.95 | 1.89M |
| September 04, 2026 | 328.18 | 323.09 | 323.09 | 328.84 | 321.49 | 1.45M |
| September 03, 2026 | 332 | 327 | 327 | 336.45 | 325.68 | 1.43M |
| September 02, 2026 | 327.7 | 330.88 | 330.88 | 331.6 | 324.79 | 2.05M |
| September 01, 2026 | 321.42 | 326.3 | 326.3 | 328.52 | 312.92 | 2.42M |
| August 31, 2026 | 340 | 321.52 | 321.52 | 343.26 | 320.21 | 2.41M |
| August 28, 2026 | 350.96 | 355.4 | 355.4 | 358.71 | 349.76 | 532,519 |
| August 27, 2026 | 350.51 | 349.56 | 349.56 | 352.88 | 348.03 | 643,372 |
| August 26, 2026 | 354.63 | 353.98 | 353.98 | 356.46 | 353.19 | 561,037 |
| August 25, 2026 | 357 | 354.83 | 354.83 | 360.3 | 354.14 | 615,303 |
| August 24, 2026 | 358.52 | 359.1 | 359.1 | 361.73 | 356.5 | 624,179 |
| August 21, 2026 | 352.39 | 355.11 | 355.11 | 356.86 | 350.57 | 736,630 |
| August 20, 2026 | 348.9 | 351.93 | 351.93 | 356.12 | 346.32 | 702,567 |
| August 19, 2026 | 344.23 | 348.43 | 348.43 | 352.84 | 341.75 | 595,670 |
| August 18, 2026 | 343.2 | 343.2 | 343.2 | 350.13 | 343.03 | 914,645 |
| August 17, 2026 | 354 | 347.22 | 347.22 | 355.27 | 346.5 | 688,750 |
| August 14, 2026 | 357.08 | 355.83 | 355.83 | 359.98 | 353.78 | 691,199 |
| August 13, 2026 | 354.33 | 357.08 | 357.08 | 358.55 | 349.33 | 779,171 |
| August 12, 2026 | 354 | 352.36 | 352.36 | 355.91 | 349.99 | 581,658 |
| August 11, 2026 | 354 | 356.46 | 356.46 | 359.1 | 354 | 395,051 |
| August 10, 2026 | 357.71 | 356.97 | 356.97 | 359.53 | 355 | 627,257 |
| August 07, 2026 | 357.51 | 358.3 | 358.3 | 360.6 | 354.61 | 669,249 |
| August 06, 2026 | 362.95 | 360.75 | 360.75 | 364.99 | 356.84 | 767,346 |
| August 05, 2026 | 356.96 | 359.97 | 359.97 | 360.6 | 355.22 | 644,476 |
| August 04, 2026 | 353.37 | 356.65 | 356.65 | 357.09 | 350.23 | 1.11M |
| August 03, 2026 | 362.04 | 357.63 | 357.63 | 366.32 | 356.12 | 1.6M |
| July 31, 2026 | 363.08 | 360.55 | 360.55 | 365.02 | 359.78 | 1.32M |
| July 30, 2026 | 367.19 | 366.57 | 366.57 | 370.49 | 358.49 | 4.23M |
| July 29, 2026 | 367.64 | 377.16 | 377.16 | 379.5 | 362.26 | 1.98M |
| July 28, 2026 | 370 | 381.26 | 381.26 | 382.34 | 367.17 | 1.51M |
| July 27, 2026 | 362.03 | 367.17 | 367.17 | 369.75 | 359.8 | 1.22M |
| July 23, 2026 | 352.59 | 355.78 | 355.78 | 355.79 | 350.83 | 837,144 |
| July 22, 2026 | 359.65 | 352.33 | 352.33 | 359.97 | 350.96 | 1.64M |
| July 21, 2026 | 359.08 | 359.4 | 359.4 | 363 | 354.8 | 1.26M |
| July 20, 2026 | 364.87 | 362.78 | 362.78 | 366 | 361.11 | 1.06M |
| July 17, 2026 | 370 | 367.21 | 367.21 | 375.92 | 365.63 | 1.38M |
| July 16, 2026 | 358.23 | 368.63 | 368.63 | 368.64 | 356.56 | 961,808 |
| July 15, 2026 | 357.52 | 355.15 | 355.15 | 360.29 | 350.46 | 1.19M |
| July 14, 2026 | 364.29 | 358.89 | 358.89 | 365.78 | 358.4 | 1.12M |
| July 13, 2026 | 360.12 | 367.35 | 367.35 | 367.58 | 360.12 | 1.51M |
| July 10, 2026 | 357.55 | 356.94 | 356.94 | 360 | 353.79 | 960,184 |
| July 09, 2026 | 354.98 | 355.56 | 355.56 | 357.5 | 353.1 | 590,402 |
| July 08, 2026 | 360 | 357.51 | 357.51 | 361.13 | 357 | 636,125 |
| July 07, 2026 | 360 | 359.82 | 359.82 | 366.45 | 357.07 | 826,452 |