Aon plc (AON)
NYSE: AON · Real-Time Price · USD
341.35
-1.75 (-0.51%)
Oct 23, 2025, 4:00 PM EDT - Market closed
Aon plc Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 23, 2025 | 343.00 | 343.40 | 338.25 | 341.35 | 341.35 | -0.51% | 1,238,241 |
| Oct 22, 2025 | 343.32 | 344.29 | 340.51 | 343.10 | 343.10 | -0.10% | 1,189,537 |
| Oct 21, 2025 | 343.80 | 346.37 | 342.18 | 343.43 | 343.43 | -0.20% | 981,539 |
| Oct 20, 2025 | 347.22 | 347.22 | 341.40 | 344.11 | 344.11 | -0.72% | 935,111 |
| Oct 17, 2025 | 344.07 | 348.31 | 344.06 | 346.60 | 346.60 | 1.01% | 2,057,521 |
| Oct 16, 2025 | 348.92 | 349.04 | 337.92 | 343.12 | 343.12 | -3.56% | 1,820,374 |
| Oct 15, 2025 | 357.49 | 359.97 | 353.93 | 355.80 | 355.80 | -1.31% | 1,094,688 |
| Oct 14, 2025 | 353.78 | 360.82 | 352.40 | 360.51 | 360.51 | 2.02% | 845,702 |
| Oct 13, 2025 | 357.11 | 359.56 | 351.87 | 353.36 | 353.36 | -1.89% | 728,750 |
| Oct 10, 2025 | 362.26 | 363.29 | 359.18 | 360.15 | 360.15 | -0.07% | 628,080 |
| Oct 9, 2025 | 365.60 | 367.25 | 359.92 | 360.42 | 360.42 | -1.36% | 692,525 |
| Oct 8, 2025 | 366.49 | 370.31 | 364.94 | 365.38 | 365.38 | -0.42% | 1,114,354 |
| Oct 7, 2025 | 366.25 | 369.68 | 364.33 | 366.93 | 366.93 | 0.34% | 852,908 |
| Oct 6, 2025 | 364.07 | 367.00 | 362.12 | 365.70 | 365.70 | 0.52% | 1,109,165 |
| Oct 3, 2025 | 359.95 | 365.98 | 359.49 | 363.81 | 363.81 | 0.85% | 666,880 |
| Oct 2, 2025 | 357.47 | 362.23 | 354.61 | 360.73 | 360.73 | 0.17% | 621,276 |
| Oct 1, 2025 | 355.15 | 360.14 | 353.31 | 360.13 | 360.13 | 1.00% | 1,444,867 |
| Sep 30, 2025 | 354.52 | 357.01 | 351.80 | 356.58 | 356.58 | 0.55% | 1,022,835 |
| Sep 29, 2025 | 355.01 | 356.62 | 352.56 | 354.62 | 354.62 | -0.41% | 1,059,568 |
| Sep 26, 2025 | 354.17 | 358.99 | 351.49 | 356.08 | 356.08 | 1.26% | 824,595 |
| Sep 25, 2025 | 355.46 | 356.74 | 349.15 | 351.64 | 351.64 | -0.59% | 1,291,128 |
| Sep 24, 2025 | 352.84 | 356.28 | 352.50 | 353.74 | 353.74 | 0.19% | 981,312 |
| Sep 23, 2025 | 353.40 | 356.58 | 349.33 | 353.07 | 353.07 | -0.11% | 1,761,201 |
| Sep 22, 2025 | 350.56 | 355.21 | 349.21 | 353.46 | 353.46 | 0.61% | 1,275,903 |
| Sep 19, 2025 | 354.19 | 355.40 | 348.64 | 351.32 | 351.32 | -0.41% | 3,728,789 |
| Sep 18, 2025 | 355.64 | 357.83 | 352.69 | 352.76 | 352.76 | -1.46% | 1,392,958 |
| Sep 17, 2025 | 357.97 | 361.24 | 355.22 | 358.00 | 358.00 | 0.40% | 1,426,892 |
| Sep 16, 2025 | 361.26 | 362.76 | 356.15 | 356.57 | 356.57 | -1.99% | 1,351,555 |
| Sep 15, 2025 | 371.90 | 373.60 | 363.20 | 363.80 | 363.80 | -2.19% | 933,789 |
| Sep 12, 2025 | 371.56 | 374.05 | 369.81 | 371.95 | 371.95 | -0.08% | 844,377 |
| Sep 11, 2025 | 366.09 | 372.39 | 364.79 | 372.25 | 372.25 | 2.73% | 1,614,304 |
| Sep 10, 2025 | 364.78 | 365.36 | 361.08 | 362.37 | 362.37 | -1.09% | 798,913 |
| Sep 9, 2025 | 369.93 | 370.48 | 365.86 | 366.38 | 366.38 | -0.98% | 1,019,889 |
| Sep 8, 2025 | 370.54 | 370.54 | 365.47 | 370.01 | 370.01 | -0.14% | 1,043,504 |
| Sep 5, 2025 | 372.91 | 375.64 | 368.04 | 370.54 | 370.54 | -0.79% | 788,992 |
| Sep 4, 2025 | 375.48 | 375.87 | 370.85 | 373.49 | 373.49 | -0.14% | 751,288 |
| Sep 3, 2025 | 372.68 | 375.00 | 368.27 | 374.00 | 374.00 | 0.55% | 1,170,124 |
| Sep 2, 2025 | 367.63 | 372.75 | 365.96 | 371.96 | 371.96 | 1.35% | 1,285,559 |
| Aug 29, 2025 | 367.85 | 368.56 | 365.79 | 367.00 | 367.00 | 0.13% | 774,627 |
| Aug 28, 2025 | 367.77 | 368.04 | 364.03 | 366.54 | 366.54 | -0.50% | 711,245 |
| Aug 27, 2025 | 369.90 | 371.09 | 368.02 | 368.37 | 368.37 | -0.17% | 931,628 |
| Aug 26, 2025 | 369.14 | 371.11 | 367.02 | 369.00 | 369.00 | -0.52% | 1,449,861 |
| Aug 25, 2025 | 374.11 | 376.69 | 370.73 | 370.94 | 370.94 | -1.11% | 1,025,887 |
| Aug 22, 2025 | 377.45 | 378.70 | 373.85 | 375.10 | 375.10 | -0.05% | 1,190,563 |
| Aug 21, 2025 | 372.50 | 375.77 | 371.17 | 375.27 | 375.27 | 0.34% | 1,126,172 |
| Aug 20, 2025 | 373.93 | 378.68 | 372.72 | 374.00 | 374.00 | 0.31% | 1,104,953 |
| Aug 19, 2025 | 367.09 | 373.36 | 366.24 | 372.86 | 372.86 | 2.05% | 1,111,163 |
| Aug 18, 2025 | 366.08 | 369.78 | 365.21 | 365.37 | 365.37 | -0.45% | 1,323,892 |
| Aug 15, 2025 | 367.20 | 370.70 | 365.21 | 367.01 | 367.01 | 0.18% | 1,181,068 |
| Aug 14, 2025 | 371.04 | 372.04 | 365.14 | 366.35 | 366.35 | -1.23% | 1,292,984 |