AON Monthly Statistics
AON monthly stock returns with historical performance by month, return charts, and downloadable statistics.
Aon plc Class A (AON) company overview
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.
| Period | Return % |
|---|---|
| 2000-01 | -33.64 |
| 2000-02 | -18.62 |
| 2000-03 | 53.13 |
| 2000-04 | -16.09 |
| 2000-05 | 29.79 |
| 2000-06 | -11.56 |
| 2000-07 | 15.9 |
| 2000-08 | 3.33 |
| 2000-09 | 5.51 |
| 2000-10 | 5.58 |
| 2000-11 | -25.05 |
| 2000-12 | 10.27 |
| 2001-01 | 2.63 |
| 2001-02 | -2.5 |
| 2001-03 | 3.59 |
| 2001-04 | -6.37 |
| 2001-05 | 5.29 |
| 2001-06 | 0 |
| 2001-07 | 1.29 |
| 2001-08 | 4.8 |
| 2001-09 | 13.06 |
| 2001-10 | -9.43 |
| 2001-11 | -5.81 |
| 2001-12 | -0.87 |
| 2002-01 | -6.25 |
| 2002-02 | 3.99 |
| 2002-03 | 1.07 |
| 2002-04 | 2.09 |
| 2002-05 | -6.44 |
| 2002-06 | -11.82 |
| 2002-07 | -19.44 |
| 2002-08 | -16.8 |
| 2002-09 | 3.69 |
| 2002-10 | -10.54 |
| 2002-11 | -0.49 |
| 2002-12 | 3.56 |
| 2003-01 | 0.21 |
| 2003-02 | 2.75 |
| 2003-03 | 6.32 |
| 2003-04 | 7.16 |
| 2003-05 | 15.79 |
| 2003-06 | -6.16 |
| 2003-07 | -0.12 |
| 2003-08 | -7.69 |
| 2003-09 | -6.08 |
| 2003-10 | 5.04 |
| 2003-11 | 0.18 |
| 2003-12 | 9.12 |
| 2004-01 | 2.63 |
| 2004-02 | 6.76 |
| 2004-03 | 6.4 |
| 2004-04 | -6.63 |
| 2004-05 | 6.02 |
| 2004-06 | 3.04 |
| 2004-07 | -7.13 |
| 2004-08 | -1.85 |
| 2004-09 | 10.75 |
| 2004-10 | -28.98 |
| 2004-11 | 3.48 |
| 2004-12 | 12.97 |
| 2005-01 | -4.69 |
| 2005-02 | 7.78 |
| 2005-03 | -6.81 |
| 2005-04 | -8.71 |
| 2005-05 | 19.57 |
| 2005-06 | 0.44 |
| 2005-07 | 1.6 |
| 2005-08 | 17.61 |
| 2005-09 | 7.22 |
| 2005-10 | 5.52 |
| 2005-11 | 7.56 |
| 2005-12 | -1.26 |
| 2006-01 | -4.81 |
| 2006-02 | 15.75 |
| 2006-03 | 4.8 |
| 2006-04 | 0.96 |
| 2006-05 | -14.94 |
| 2006-06 | -2.33 |
| 2006-07 | -1.69 |
| 2006-08 | 0.99 |
| 2006-09 | -2.02 |
| 2006-10 | 2.72 |
| 2006-11 | 2.56 |
| 2006-12 | -0.95 |
| 2007-01 | 1.47 |
| 2007-02 | 4.96 |
| 2007-03 | 0.85 |
| 2007-04 | 2.08 |
| 2007-05 | 10.76 |
| 2007-06 | -0.72 |
| 2007-07 | -6.03 |
| 2007-08 | 8.19 |
| 2007-09 | 3.44 |
| 2007-10 | 1.14 |
| 2007-11 | 10.26 |
| 2007-12 | -4.56 |
| 2008-01 | -9.14 |
| 2008-02 | -3.97 |
| 2008-03 | -3.39 |
| 2008-04 | 12.91 |
| 2008-05 | 3.97 |
| 2008-06 | -2.65 |
| 2008-07 | -0.3 |
| 2008-08 | 3.69 |
| 2008-09 | -5.33 |
| 2008-10 | -5.92 |
| 2008-11 | 7.09 |
| 2008-12 | 0.84 |
| 2009-01 | -18.89 |
| 2009-02 | 3.21 |
| 2009-03 | 6.75 |
| 2009-04 | 3.38 |
| 2009-05 | -14.69 |
| 2009-06 | 5.19 |
| 2009-07 | 4.17 |
| 2009-08 | 5.86 |
| 2009-09 | -2.56 |
| 2009-10 | -5.36 |
| 2009-11 | 0.57 |
| 2009-12 | -1.01 |
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 2026-10-09 | 276.63 | 277.03 | 272.83 | 273.47 | — |
| 2026-10-08 | 271.29 | 277.9 | 270.03 | 277.12 | — |
| 2026-10-07 | 275.07 | 275.31 | 269.75 | 270.47 | — |
| 2026-10-06 | 270.83 | 274.71 | 270.1 | 273.99 | — |
| 2026-10-05 | 267.59 | 272.36 | 266.49 | 272.05 | — |
| 2026-10-02 | 274.96 | 276.39 | 268.9 | 269.45 | — |
| 2026-10-01 | 277.48 | 279.49 | 274.81 | 275.95 | — |
| 2026-09-30 | 275.78 | 278.19 | 273.8 | 276.77 | — |
| 2026-09-29 | 269.91 | 276.97 | 269.02 | 275.9 | — |
| 2026-09-28 | 277.5 | 278.39 | 270 | 272.1 | — |
| 2026-09-25 | 277 | 280.98 | 276.52 | 277.99 | — |
| 2026-09-24 | 281.6 | 283.03 | 275.4 | 276.09 | — |
| 2026-09-23 | 284.67 | 286.8 | 281.18 | 281.6 | — |
| 2026-09-21 | 297.01 | 297.87 | 290.7 | 290.82 | — |
| 2026-09-18 | 294.25 | 297.73 | 293 | 295.64 | — |
| 2026-09-17 | 299.54 | 302.12 | 295.78 | 296.05 | — |
| 2026-09-16 | 303.4 | 304.06 | 298.51 | 300.57 | — |
| 2026-09-15 | 311.6 | 311.98 | 304.6 | 304.67 | — |
| 2026-09-14 | 308.08 | 312.39 | 305.99 | 311.54 | — |
| 2026-09-11 | 310.85 | 311.89 | 302.45 | 302.69 | — |
| 2026-09-10 | 304.97 | 310.03 | 304.41 | 307.77 | — |
| 2026-09-09 | 313.45 | 315.67 | 303.59 | 304.69 | — |
| 2026-09-08 | 316.78 | 321.53 | 314.95 | 315.79 | — |
| 2026-09-04 | 328.18 | 328.29 | 321.49 | 323.09 | — |
| 2026-09-02 | 327.7 | 331.59 | 324.79 | 330.88 | — |
| 2026-09-01 | 321.42 | 328.52 | 312.92 | 326.3 | — |
| 2026-08-31 | 340 | 342.55 | 320.21 | 321.52 | — |
| 2026-08-27 | 350.51 | 352.88 | 348.03 | 349.56 | — |
| 2026-08-26 | 354.63 | 356.46 | 353.19 | 353.98 | — |
| 2026-08-25 | 357 | 360.3 | 354.14 | 354.83 | — |
| 2026-08-24 | 358.52 | 361.73 | 356.5 | 359.1 | — |
| 2026-08-21 | 352.39 | 356.85 | 350.57 | 355.11 | — |
| 2026-08-20 | 348.9 | 356.09 | 346.32 | 351.93 | — |
| 2026-08-19 | 344.23 | 352.84 | 341.75 | 348.43 | — |
| 2026-08-18 | 343.2 | 350.12 | 343.03 | 343.2 | — |
| 2026-08-17 | 354 | 355.18 | 346.5 | 347.22 | — |
| 2026-08-14 | 357.08 | 359.98 | 353.78 | 355.83 | — |
| 2026-08-13 | 354.33 | 358.55 | 349.33 | 357.08 | — |
| 2026-08-12 | 354 | 355.91 | 349.99 | 352.36 | — |
| 2026-08-11 | 354 | 359.07 | 354.02 | 356.46 | — |
| 2026-08-10 | 357.7 | 359.53 | 354.99 | 356.97 | — |
| 2026-08-07 | 357.51 | 360.6 | 354.7 | 358.3 | — |
| 2026-08-06 | 362.95 | 364.99 | 356.84 | 360.75 | — |
| 2026-08-05 | 356.96 | 360.6 | 355.22 | 359.97 | — |
| 2026-08-04 | 353.37 | 357.08 | 350.38 | 356.65 | — |
| 2026-08-03 | 362.04 | 366.32 | 356.12 | 357.63 | — |
| 2026-07-31 | 363.08 | 365.02 | 359.78 | 360.55 | — |
| 2026-07-30 | 367.19 | 369.59 | 358.49 | 366.57 | — |
| 2026-07-29 | 367.64 | 379.5 | 362.26 | 377.16 | — |
| 2026-07-28 | 370 | 382.34 | 367.17 | 381.26 | — |
| 2026-07-27 | 362.03 | 369.75 | 359.8 | 367.17 | — |
| 2026-07-24 | 355.93 | 362.61 | 355.9 | 361.7 | — |
| 2026-07-23 | 352.59 | 355.78 | 350.83 | 355.78 | — |
| 2026-07-22 | 359.65 | 358.8 | 350.96 | 352.33 | — |
| 2026-07-21 | 359.08 | 362.99 | 354.8 | 359.4 | — |
| 2026-07-20 | 364.87 | 366 | 361.12 | 362.78 | — |
| 2026-07-17 | 370 | 375.92 | 365.63 | 367.21 | — |
| 2026-07-16 | 358.23 | 368.64 | 356.56 | 368.63 | — |
| 2026-07-15 | 357.52 | 360.29 | 350.45 | 355.15 | — |
| 2026-07-14 | 364.29 | 365.78 | 358.4 | 358.89 | — |
| 2026-07-13 | 360.12 | 367.58 | 360.76 | 367.35 | — |
| 2026-07-10 | 357.55 | 360 | 353.79 | 356.94 | — |
| 2026-07-09 | 354.98 | 357.5 | 353.23 | 355.56 | — |
| 2026-07-08 | 360 | 361.13 | 357 | 357.51 | — |
| 2026-07-07 | 360 | 366.45 | 357.07 | 359.82 | — |
| 2026-07-06 | 356.71 | 357.18 | 351.38 | 356.91 | — |
| 2026-07-02 | 346.41 | 357.47 | 344.79 | 357.46 | — |
| 2026-07-01 | 327.83 | 347.26 | 331.71 | 343.56 | — |
| 2026-06-30 | 327.07 | 333.76 | 322.26 | 331.69 | — |
| 2026-06-29 | 324.97 | 330.37 | 323.49 | 327.57 | — |
| 2026-06-26 | 319.72 | 330.36 | 317.45 | 328.69 | — |
| 2026-06-25 | 324.49 | 328.45 | 315.81 | 315.95 | — |
| 2026-06-24 | 322.59 | 328.2 | 319.22 | 325.48 | — |
| 2026-06-23 | 318.29 | 323.57 | 316.69 | 320.74 | — |
| 2026-06-22 | 316.51 | 319.75 | 313.62 | 313.63 | — |
| 2026-06-18 | 327.86 | 327.86 | 317.48 | 317.74 | — |
| 2026-06-17 | 327.02 | 334.79 | 325.01 | 326.69 | — |
| 2026-06-16 | 330.8 | 333.15 | 329.13 | 331.45 | — |
| 2026-06-15 | 336.71 | 335.76 | 328.07 | 329.51 | — |
| 2026-06-12 | 335 | 338.2 | 330.81 | 335.31 | — |
| 2026-06-11 | 334.39 | 340.04 | 334.82 | 335.17 | — |
| 2026-06-10 | 334.48 | 340.7 | 331 | 336.33 | — |
| 2026-06-09 | 324.87 | 333.05 | 321.55 | 331.59 | — |
| 2026-06-05 | 325 | 331.07 | 324.11 | 328.53 | — |
| 2026-06-04 | 321.17 | 327.9 | 318.81 | 322.24 | — |
| 2026-06-03 | 316.16 | 317.04 | 311.07 | 315.6 | — |
| 2026-06-02 | 317.58 | 319.35 | 312.34 | 317.86 | — |
| 2026-06-01 | 313.78 | 321.42 | 313.23 | 320.41 | — |
| 2026-05-29 | 317.77 | 317.78 | 314.54 | 316.06 | — |
| 2026-05-28 | 320.03 | 321.65 | 316.03 | 318.3 | — |
| 2026-05-27 | 321.09 | 325.52 | 317.48 | 318.54 | — |
| 2026-05-22 | 323.28 | 325.4 | 320.65 | 324.78 | — |
| 2026-05-21 | 318.71 | 325.27 | 315 | 324.22 | — |
| 2026-05-20 | 323.6 | 323.6 | 316.9 | 321.15 | — |
| 2026-05-19 | 328.16 | 330.13 | 322.26 | 323.66 | — |
| 2026-05-18 | 317.51 | 328.48 | 318.51 | 326.57 | — |
| 2026-05-15 | 316.24 | 321.69 | 316.24 | 317.22 | — |
| 2026-05-14 | 311.61 | 317.26 | 311.61 | 315.41 | — |
| 2026-05-13 | 313.62 | 315.1 | 308.51 | 310.9 | — |
| 2026-05-12 | 313.89 | 317.57 | 310.63 | 316.35 | — |
| 2026-05-11 | 312.42 | 314.85 | 309.86 | 312.07 | — |
| 2026-05-08 | 313 | 314.06 | 309.38 | 312.79 | — |
| 2026-05-07 | 307.19 | 315.9 | 306.52 | 313.59 | — |
| 2026-05-06 | 316.41 | 317.49 | 306.9 | 308.27 | — |
| 2026-05-05 | 313.67 | 315.41 | 308.99 | 314.55 | — |
| 2026-05-04 | 309.93 | 316.56 | 308.57 | 314.92 | — |
| 2026-05-01 | 326.52 | 326.52 | 310.73 | 311.51 | — |
| 2026-04-30 | 312.43 | 313.9 | 307.02 | 311.65 | — |
| 2026-04-29 | 319.89 | 323.12 | 319.11 | 322.49 | — |
| 2026-04-28 | 326.73 | 328.95 | 320.53 | 321.68 | — |
| 2026-04-27 | 319.53 | 325.95 | 319 | 323.78 | — |
| 2026-04-24 | 322.42 | 323.76 | 318.64 | 321.14 | — |
| 2026-04-23 | 326.35 | 328.13 | 321.6 | 323.56 | — |
| 2026-04-22 | 333.8 | 334.92 | 324.32 | 326.86 | — |
| 2026-04-21 | 332.93 | 336.89 | 331.75 | 335.32 | — |
| 2026-04-20 | 331.45 | 334.35 | 330.91 | 331.95 | — |
| 2026-04-17 | 333.27 | 336.35 | 331.43 | 331.8 | — |
| 2026-04-16 | 329.87 | 337.98 | 328.27 | 335.34 | — |
| 2026-04-15 | 323.8 | 329.28 | 321.83 | 328.08 | — |
| 2026-04-14 | 321.75 | 324.43 | 320.95 | 323.02 | — |