Aon plc (AON)
NYSE: AON · Real-Time Price · USD
321.34
-1.44 (-0.45%)
Apr 1, 2026, 4:00 PM EDT - Market closed
Aon plc Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 1, 2026 | 321.88 | 325.39 | 318.00 | 321.34 | 321.34 | -0.45% | 1,081,191 |
| Mar 31, 2026 | 326.05 | 326.69 | 319.90 | 322.78 | 322.78 | -0.39% | 1,343,552 |
| Mar 30, 2026 | 316.45 | 325.38 | 315.66 | 324.06 | 324.06 | 3.32% | 1,213,923 |
| Mar 27, 2026 | 322.19 | 328.00 | 312.05 | 313.66 | 313.66 | -3.12% | 1,343,988 |
| Mar 26, 2026 | 320.83 | 326.60 | 320.83 | 323.77 | 323.77 | 0.72% | 1,211,400 |
| Mar 25, 2026 | 325.36 | 327.46 | 317.46 | 321.45 | 321.45 | -1.71% | 932,561 |
| Mar 24, 2026 | 327.56 | 328.84 | 324.96 | 327.03 | 327.03 | 0.33% | 1,175,151 |
| Mar 23, 2026 | 327.99 | 328.29 | 323.51 | 325.97 | 325.97 | 0.10% | 1,124,472 |
| Mar 20, 2026 | 317.24 | 326.56 | 317.24 | 325.63 | 325.63 | 2.73% | 2,323,961 |
| Mar 19, 2026 | 320.00 | 320.80 | 315.64 | 316.99 | 316.99 | -0.28% | 1,188,668 |
| Mar 18, 2026 | 319.67 | 320.30 | 314.80 | 317.88 | 317.88 | -1.03% | 981,040 |
| Mar 17, 2026 | 326.75 | 333.26 | 319.23 | 321.18 | 321.18 | -1.70% | 1,570,810 |
| Mar 16, 2026 | 322.60 | 327.26 | 320.13 | 326.75 | 326.75 | 1.66% | 1,067,379 |
| Mar 13, 2026 | 320.01 | 324.20 | 318.02 | 321.41 | 321.41 | 1.74% | 1,124,111 |
| Mar 12, 2026 | 316.00 | 323.26 | 313.81 | 315.91 | 315.91 | -0.31% | 1,865,463 |
| Mar 11, 2026 | 320.96 | 322.04 | 316.55 | 316.90 | 316.90 | -1.26% | 1,316,433 |
| Mar 10, 2026 | 332.22 | 332.22 | 320.44 | 320.96 | 320.96 | -3.57% | 1,411,895 |
| Mar 9, 2026 | 341.55 | 342.38 | 329.75 | 332.84 | 332.84 | -2.28% | 1,707,487 |
| Mar 6, 2026 | 337.37 | 341.46 | 334.09 | 340.60 | 340.60 | 0.54% | 1,160,237 |
| Mar 5, 2026 | 338.97 | 341.86 | 336.49 | 338.77 | 338.77 | -0.71% | 1,516,335 |
| Mar 4, 2026 | 337.42 | 344.65 | 337.37 | 341.18 | 341.18 | 0.62% | 2,008,776 |
| Mar 3, 2026 | 333.37 | 339.36 | 331.71 | 339.07 | 339.07 | 0.38% | 1,414,284 |
| Mar 2, 2026 | 332.02 | 340.32 | 331.96 | 337.80 | 337.80 | 0.69% | 1,269,849 |
| Feb 27, 2026 | 331.00 | 337.97 | 330.56 | 335.47 | 335.47 | 1.57% | 2,126,224 |
| Feb 26, 2026 | 325.50 | 332.00 | 325.16 | 330.27 | 330.27 | 1.73% | 1,062,012 |
| Feb 25, 2026 | 319.90 | 325.04 | 317.78 | 324.66 | 324.66 | 1.67% | 1,410,584 |
| Feb 24, 2026 | 316.96 | 321.30 | 312.58 | 319.33 | 319.33 | 1.27% | 1,471,217 |
| Feb 23, 2026 | 324.71 | 326.44 | 314.89 | 315.31 | 315.31 | -3.00% | 1,425,723 |
| Feb 20, 2026 | 325.94 | 327.20 | 323.18 | 325.07 | 325.07 | 0.24% | 1,264,997 |
| Feb 19, 2026 | 322.77 | 324.31 | 320.91 | 324.30 | 324.30 | 0.41% | 1,015,749 |
| Feb 18, 2026 | 322.93 | 326.41 | 321.04 | 322.98 | 322.98 | -0.91% | 1,172,298 |
| Feb 17, 2026 | 324.85 | 329.57 | 320.00 | 325.96 | 325.96 | 1.32% | 1,862,344 |
| Feb 13, 2026 | 317.95 | 322.39 | 313.16 | 321.70 | 321.70 | 2.29% | 2,220,162 |
| Feb 12, 2026 | 309.71 | 317.58 | 304.59 | 314.49 | 314.49 | 1.46% | 2,827,524 |
| Feb 11, 2026 | 315.32 | 317.91 | 307.01 | 309.97 | 309.97 | -2.50% | 2,960,101 |
| Feb 10, 2026 | 312.99 | 322.08 | 312.99 | 317.92 | 317.92 | 2.44% | 3,966,929 |
| Feb 9, 2026 | 340.76 | 343.92 | 309.13 | 310.34 | 310.34 | -9.27% | 3,885,872 |
| Feb 6, 2026 | 344.71 | 345.00 | 340.58 | 342.04 | 342.04 | -0.38% | 1,326,163 |
| Feb 5, 2026 | 350.32 | 353.68 | 343.19 | 343.36 | 343.36 | -1.96% | 1,421,893 |
| Feb 4, 2026 | 348.28 | 355.96 | 348.18 | 350.21 | 350.21 | 0.97% | 1,272,692 |
| Feb 3, 2026 | 347.31 | 351.15 | 343.20 | 346.84 | 346.84 | -0.79% | 1,266,326 |
| Feb 2, 2026 | 353.14 | 358.04 | 348.25 | 349.61 | 349.61 | -0.01% | 1,371,671 |
| Jan 30, 2026 | 346.96 | 351.80 | 341.17 | 349.64 | 348.90 | 1.95% | 1,938,787 |
| Jan 29, 2026 | 335.62 | 343.28 | 335.57 | 342.95 | 342.22 | 2.99% | 2,149,356 |
| Jan 28, 2026 | 329.41 | 335.23 | 327.53 | 333.00 | 332.29 | 0.68% | 1,341,240 |
| Jan 27, 2026 | 337.18 | 337.78 | 325.90 | 330.75 | 330.05 | -2.40% | 1,330,489 |
| Jan 26, 2026 | 339.32 | 342.00 | 336.92 | 338.87 | 338.15 | 0.05% | 1,156,661 |
| Jan 23, 2026 | 336.14 | 338.84 | 333.85 | 338.69 | 337.97 | 0.81% | 1,053,374 |
| Jan 22, 2026 | 331.99 | 336.58 | 330.30 | 335.96 | 335.24 | 0.96% | 1,370,714 |
| Jan 21, 2026 | 339.50 | 341.83 | 330.77 | 332.76 | 332.05 | -1.99% | 1,592,884 |