Aon plc (AON)
NYSE: AON · Real-Time Price · USD
328.69
+12.74 (4.03%)
At close: Jun 26, 2026, 4:00 PM EDT
322.31
-6.38 (-1.94%)
After-hours: Jun 26, 2026, 7:23 PM EDT
Aon plc Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 319.72 | 330.36 | 316.82 | 328.69 | 328.69 | 4.03% | 4,443,081 |
| Jun 25, 2026 | 324.49 | 328.46 | 315.78 | 315.95 | 315.95 | -2.93% | 1,628,603 |
| Jun 24, 2026 | 322.59 | 328.24 | 319.22 | 325.48 | 325.48 | 1.48% | 2,152,374 |
| Jun 23, 2026 | 318.29 | 323.57 | 316.69 | 320.74 | 320.74 | 2.27% | 2,517,055 |
| Jun 22, 2026 | 316.51 | 319.75 | 313.62 | 313.63 | 313.63 | -1.29% | 1,987,203 |
| Jun 18, 2026 | 327.86 | 328.00 | 317.48 | 317.74 | 317.74 | -2.74% | 2,349,991 |
| Jun 17, 2026 | 327.02 | 334.79 | 325.00 | 326.69 | 326.69 | -1.44% | 1,736,678 |
| Jun 16, 2026 | 330.80 | 333.15 | 329.13 | 331.45 | 331.45 | 0.59% | 1,748,344 |
| Jun 15, 2026 | 336.71 | 338.21 | 327.98 | 329.51 | 329.51 | -1.73% | 1,397,850 |
| Jun 12, 2026 | 335.00 | 338.20 | 330.81 | 335.31 | 335.31 | 0.04% | 1,339,255 |
| Jun 11, 2026 | 334.39 | 340.10 | 334.39 | 335.17 | 335.17 | -0.34% | 1,427,954 |
| Jun 10, 2026 | 334.48 | 340.76 | 331.00 | 336.33 | 336.33 | 1.43% | 1,721,294 |
| Jun 9, 2026 | 324.87 | 333.07 | 321.55 | 331.59 | 331.59 | 1.76% | 1,881,660 |
| Jun 8, 2026 | 325.49 | 328.83 | 323.78 | 325.85 | 325.85 | -0.82% | 1,439,928 |
| Jun 5, 2026 | 325.00 | 331.13 | 324.12 | 328.53 | 328.53 | 1.95% | 1,331,041 |
| Jun 4, 2026 | 321.17 | 327.90 | 318.81 | 322.24 | 322.24 | 2.10% | 1,552,045 |
| Jun 3, 2026 | 316.16 | 317.04 | 311.07 | 315.60 | 315.60 | -0.71% | 1,560,621 |
| Jun 2, 2026 | 317.58 | 319.35 | 312.34 | 317.86 | 317.86 | -0.80% | 1,038,755 |
| Jun 1, 2026 | 313.78 | 321.42 | 313.23 | 320.41 | 320.41 | 1.38% | 1,420,532 |
| May 29, 2026 | 317.77 | 317.83 | 314.54 | 316.06 | 316.06 | -0.70% | 2,829,969 |
| May 28, 2026 | 320.03 | 322.09 | 316.03 | 318.30 | 318.30 | -0.08% | 1,350,543 |
| May 27, 2026 | 321.09 | 325.60 | 317.49 | 318.54 | 318.54 | -0.23% | 1,072,560 |
| May 26, 2026 | 326.27 | 326.38 | 318.48 | 319.29 | 319.29 | -1.69% | 1,411,172 |
| May 22, 2026 | 323.28 | 325.40 | 320.65 | 324.78 | 324.78 | 0.17% | 927,348 |
| May 21, 2026 | 318.71 | 325.27 | 315.00 | 324.22 | 324.22 | 0.96% | 945,752 |
| May 20, 2026 | 323.60 | 323.60 | 316.90 | 321.15 | 321.15 | -0.78% | 1,479,153 |
| May 19, 2026 | 328.16 | 330.22 | 322.26 | 323.66 | 323.66 | -0.89% | 2,133,314 |
| May 18, 2026 | 317.51 | 328.48 | 317.51 | 326.57 | 326.57 | 2.95% | 1,405,432 |
| May 15, 2026 | 316.24 | 321.69 | 316.24 | 317.22 | 317.22 | 0.57% | 1,955,296 |
| May 14, 2026 | 311.61 | 317.26 | 311.61 | 315.41 | 315.41 | 1.45% | 1,844,874 |
| May 13, 2026 | 313.62 | 315.49 | 308.51 | 310.90 | 310.90 | -1.72% | 1,672,440 |
| May 12, 2026 | 313.89 | 317.59 | 310.63 | 316.35 | 316.35 | 1.37% | 1,622,713 |
| May 11, 2026 | 312.42 | 314.85 | 309.87 | 312.07 | 312.07 | -0.23% | 1,166,105 |
| May 8, 2026 | 313.00 | 314.06 | 309.22 | 312.79 | 312.79 | -0.26% | 1,179,163 |
| May 7, 2026 | 307.19 | 315.90 | 306.52 | 313.59 | 313.59 | 1.73% | 1,858,930 |
| May 6, 2026 | 316.41 | 317.49 | 306.87 | 308.27 | 308.27 | -2.00% | 1,476,880 |
| May 5, 2026 | 313.67 | 315.41 | 308.99 | 314.55 | 314.55 | -0.12% | 1,177,107 |
| May 4, 2026 | 309.93 | 316.56 | 308.57 | 314.92 | 314.92 | 1.09% | 1,382,072 |
| May 1, 2026 | 326.52 | 326.52 | 310.73 | 311.51 | 311.51 | 0.22% | 1,822,712 |
| Apr 30, 2026 | 312.43 | 314.02 | 307.02 | 311.65 | 310.83 | -3.36% | 2,614,635 |
| Apr 29, 2026 | 319.89 | 323.12 | 319.11 | 322.49 | 321.64 | 0.25% | 1,157,124 |
| Apr 28, 2026 | 326.73 | 328.95 | 320.52 | 321.68 | 320.83 | -0.65% | 1,312,170 |
| Apr 27, 2026 | 319.53 | 325.95 | 319.00 | 323.78 | 322.93 | 0.82% | 1,248,902 |
| Apr 24, 2026 | 322.42 | 323.79 | 318.64 | 321.14 | 320.30 | -0.75% | 761,208 |
| Apr 23, 2026 | 326.35 | 328.13 | 321.60 | 323.56 | 322.71 | -1.01% | 941,398 |
| Apr 22, 2026 | 333.80 | 334.92 | 324.28 | 326.86 | 326.00 | -2.52% | 1,281,855 |
| Apr 21, 2026 | 332.93 | 336.89 | 331.75 | 335.32 | 334.44 | 1.02% | 1,215,040 |
| Apr 20, 2026 | 331.45 | 334.35 | 330.91 | 331.95 | 331.08 | 0.05% | 792,190 |
| Apr 17, 2026 | 333.27 | 336.36 | 331.43 | 331.80 | 330.93 | -1.06% | 1,161,372 |
| Apr 16, 2026 | 329.87 | 337.98 | 328.27 | 335.34 | 334.46 | 2.21% | 1,350,022 |
| Apr 15, 2026 | 323.80 | 329.29 | 321.75 | 328.08 | 327.22 | 1.57% | 1,093,743 |
| Apr 14, 2026 | 321.75 | 324.43 | 320.95 | 323.02 | 322.17 | -0.73% | 1,270,493 |
| Apr 13, 2026 | 315.00 | 325.68 | 313.00 | 325.40 | 324.54 | 4.10% | 1,687,580 |
| Apr 10, 2026 | 323.16 | 323.29 | 307.81 | 312.57 | 311.75 | -3.94% | 2,414,200 |
| Apr 9, 2026 | 326.54 | 328.17 | 322.69 | 325.40 | 324.54 | -1.32% | 1,314,396 |
| Apr 8, 2026 | 322.47 | 330.93 | 321.58 | 329.76 | 328.89 | 2.26% | 1,397,630 |
| Apr 7, 2026 | 325.61 | 326.55 | 320.10 | 322.47 | 321.62 | -1.13% | 1,187,903 |
| Apr 6, 2026 | 321.21 | 327.27 | 321.21 | 326.17 | 325.31 | 0.94% | 867,136 |
| Apr 2, 2026 | 321.94 | 328.79 | 319.57 | 323.14 | 322.29 | 0.56% | 1,124,097 |
| Apr 1, 2026 | 321.88 | 325.39 | 318.00 | 321.34 | 320.49 | -0.45% | 1,081,439 |
| Mar 31, 2026 | 326.05 | 326.69 | 319.90 | 322.78 | 321.93 | -0.39% | 1,413,779 |
| Mar 30, 2026 | 316.45 | 325.38 | 315.66 | 324.06 | 323.21 | 3.32% | 1,216,798 |
| Mar 27, 2026 | 322.19 | 328.00 | 312.05 | 313.66 | 312.83 | -3.12% | 1,343,995 |
| Mar 26, 2026 | 320.83 | 326.60 | 320.83 | 323.77 | 322.92 | 0.72% | 1,211,514 |
| Mar 25, 2026 | 325.36 | 327.46 | 317.46 | 321.45 | 320.60 | -1.71% | 956,589 |
| Mar 24, 2026 | 327.56 | 328.84 | 324.96 | 327.03 | 326.17 | 0.33% | 1,180,369 |
| Mar 23, 2026 | 327.99 | 328.29 | 323.51 | 325.97 | 325.11 | 0.10% | 1,300,915 |
| Mar 20, 2026 | 317.24 | 326.56 | 317.24 | 325.63 | 324.77 | 2.73% | 2,408,689 |
| Mar 19, 2026 | 320.00 | 320.80 | 315.64 | 316.99 | 316.16 | -0.28% | 1,314,521 |
| Mar 18, 2026 | 319.67 | 320.30 | 314.80 | 317.88 | 317.04 | -1.03% | 984,224 |
| Mar 17, 2026 | 326.75 | 333.26 | 319.23 | 321.18 | 320.33 | -1.70% | 1,590,895 |
| Mar 16, 2026 | 322.60 | 327.26 | 320.13 | 326.75 | 325.89 | 1.66% | 1,067,757 |
| Mar 13, 2026 | 320.01 | 324.20 | 318.02 | 321.41 | 320.56 | 1.74% | 1,124,111 |
| Mar 12, 2026 | 316.00 | 323.26 | 313.81 | 315.91 | 315.08 | -0.31% | 1,866,445 |
| Mar 11, 2026 | 320.96 | 322.04 | 316.55 | 316.90 | 316.07 | -1.26% | 1,319,304 |
| Mar 10, 2026 | 332.22 | 332.22 | 320.44 | 320.96 | 320.12 | -3.57% | 1,412,489 |
| Mar 9, 2026 | 341.55 | 342.38 | 329.75 | 332.84 | 331.96 | -2.28% | 1,708,493 |
| Mar 6, 2026 | 337.37 | 341.46 | 334.09 | 340.60 | 339.70 | 0.54% | 1,187,690 |
| Mar 5, 2026 | 338.97 | 341.86 | 336.49 | 338.77 | 337.88 | -0.71% | 1,555,379 |
| Mar 4, 2026 | 337.42 | 344.65 | 337.37 | 341.18 | 340.28 | 0.62% | 2,026,515 |
| Mar 3, 2026 | 333.37 | 339.36 | 331.71 | 339.07 | 338.18 | 0.38% | 1,414,569 |
| Mar 2, 2026 | 332.02 | 340.32 | 331.96 | 337.80 | 336.91 | 0.69% | 1,270,670 |
| Feb 27, 2026 | 331.00 | 337.97 | 330.56 | 335.47 | 334.59 | 1.57% | 2,126,224 |
| Feb 26, 2026 | 325.50 | 332.00 | 325.16 | 330.27 | 329.40 | 1.73% | 1,062,012 |
| Feb 25, 2026 | 319.90 | 325.04 | 317.78 | 324.66 | 323.81 | 1.67% | 1,410,584 |
| Feb 24, 2026 | 316.96 | 321.30 | 312.58 | 319.33 | 318.49 | 1.27% | 1,471,217 |
| Feb 23, 2026 | 324.71 | 326.44 | 314.89 | 315.31 | 314.48 | -3.00% | 1,425,723 |
| Feb 20, 2026 | 325.94 | 327.20 | 323.18 | 325.07 | 324.21 | 0.24% | 1,264,997 |
| Feb 19, 2026 | 322.77 | 324.31 | 320.91 | 324.30 | 323.45 | 0.41% | 1,015,749 |
| Feb 18, 2026 | 322.93 | 326.41 | 321.04 | 322.98 | 322.13 | -0.91% | 1,172,298 |
| Feb 17, 2026 | 324.85 | 329.57 | 320.00 | 325.96 | 325.10 | 1.32% | 1,862,344 |
| Feb 13, 2026 | 317.95 | 322.39 | 313.16 | 321.70 | 320.85 | 2.29% | 2,220,162 |
| Feb 12, 2026 | 309.71 | 317.58 | 304.59 | 314.49 | 313.66 | 1.46% | 2,827,524 |
| Feb 11, 2026 | 315.32 | 317.91 | 307.01 | 309.97 | 309.15 | -2.50% | 2,960,101 |
| Feb 10, 2026 | 312.99 | 322.08 | 312.99 | 317.92 | 317.08 | 2.44% | 3,966,929 |
| Feb 9, 2026 | 340.76 | 343.92 | 309.13 | 310.34 | 309.52 | -9.27% | 3,885,872 |
| Feb 6, 2026 | 344.71 | 345.00 | 340.58 | 342.04 | 341.14 | -0.38% | 1,326,163 |
| Feb 5, 2026 | 350.32 | 353.68 | 343.19 | 343.36 | 342.46 | -1.96% | 1,421,893 |
| Feb 4, 2026 | 348.28 | 355.96 | 348.18 | 350.21 | 349.29 | 0.97% | 1,272,692 |
| Feb 3, 2026 | 347.31 | 351.15 | 343.20 | 346.84 | 345.93 | -0.79% | 1,266,326 |