AON
Aon-A (AON)
NYSE
$303.05+$0.36 (+0.12%)
Price as of Sep 11, 2026 7:34 PM EDT
  • $64.2B
    Market Cap
  • -17.87%
    1-Year Change
  • Insurance Brokers
    Industry
  • 1 Month
    -15.08%
    Low Price$302.69
    High Price$359.10
  • 3 Months
    -9.48%
    Low Price$302.69
    High Price$380.39
  • 1 Year
    -17.87%
    Low Price$302.69
    High Price$380.39
Date
Open
High
Low
Close
Change (%)
Volume
09/11/2026
310.85
311.89
302.44
302.69
-1.65%
2,326,256
09/10/2026
304.97
310.04
304.20
307.77
+1.01%
2,449,272
09/09/2026
313.45
315.67
303.59
304.69
-3.51%
2,266,676
09/08/2026
316.78
321.57
314.95
315.79
-2.26%
1,926,595
09/04/2026
328.18
328.84
321.49
323.09
-1.20%
1,467,974
09/03/2026
332.00
336.45
325.68
327.00
-1.17%
1,465,068
09/02/2026
327.70
331.60
324.79
330.88
+1.40%
2,189,342
09/01/2026
321.42
328.52
312.92
326.30
+1.49%
2,423,281
08/31/2026
340.00
343.26
320.21
321.52
-9.53%
2,434,132
08/28/2026
350.96
358.71
349.76
355.40
+1.67%
669,145
08/27/2026
350.51
352.88
348.03
349.56
-1.25%
688,509
08/26/2026
354.63
356.46
353.19
353.98
-0.24%
594,170
08/25/2026
357.00
360.30
354.14
354.83
-1.19%
616,318
08/24/2026
358.52
361.73
356.50
359.10
+1.12%
627,237
08/21/2026
352.39
356.86
350.57
355.11
+0.90%
747,031
08/20/2026
348.90
356.12
346.32
351.93
+1.00%
733,330
08/19/2026
344.23
352.84
341.75
348.43
+1.52%
615,902
08/18/2026
343.20
350.13
343.03
343.20
-1.16%
921,485
08/17/2026
354.00
355.27
346.50
347.22
-2.42%
709,507
08/14/2026
357.08
359.98
353.78
355.83
-0.35%
704,464
08/13/2026
354.33
358.55
349.33
357.08
+1.34%
810,130
08/12/2026
354.00
355.91
349.99
352.36
-1.15%
628,493
08/11/2026
354.00
359.10
354.00
356.46
-0.14%
403,315
08/10/2026
357.71
359.53
355.00
356.97
-0.37%
705,261
08/07/2026
357.51
360.60
354.61
358.30
-0.68%
928,750
08/06/2026
362.95
364.99
356.84
360.75
+0.22%
1,140,040
08/05/2026
356.96
360.60
355.22
359.97
+0.93%
656,537
08/04/2026
353.37
357.09
350.23
356.65
-0.27%
1,433,515
08/03/2026
362.04
366.32
356.12
357.63
-0.58%
1,950,092
08/03/2026
$0.82 Dividend
07/31/2026
362.25
364.19
358.96
359.73
-1.64%
1,315,577
07/30/2026
366.35
369.65
357.67
365.74
-2.81%
4,227,661
07/29/2026
366.80
378.64
361.43
376.30
-1.08%
2,008,985
07/29/2026
$3.81 Earnings
07/28/2026
369.16
381.47
366.33
380.39
+3.84%
1,506,703
07/27/2026
361.21
368.91
358.98
366.33
+1.51%
1,590,496
07/24/2026
355.12
361.78
354.84
360.88
+1.66%
784,928
07/23/2026
351.79
354.98
350.03
354.97
+0.98%
1,178,108
07/22/2026
358.83
359.15
350.16
351.53
-1.97%
1,813,206
07/21/2026
358.26
362.17
353.99
358.58
-0.93%
1,371,175
07/20/2026
364.04
365.17
360.29
361.95
-1.21%
1,074,055
07/17/2026
369.16
375.06
364.80
366.37
-0.39%
1,445,578
07/16/2026
357.42
367.80
355.75
367.79
+3.80%
1,019,235
07/15/2026
356.71
359.47
349.66
354.34
-1.04%
1,193,568
07/14/2026
363.46
364.95
357.58
358.07
-2.30%
1,168,290
07/13/2026
359.30
366.74
359.30
366.51
+2.92%
1,511,745
07/10/2026
356.74
359.18
352.99
356.13
+0.39%
998,593
07/09/2026
354.17
356.69
352.30
354.75
-0.55%
602,030
07/08/2026
359.18
360.31
356.19
356.70
-0.64%
641,697
07/07/2026
359.18
365.62
356.25
359.00
+0.82%
830,189
07/06/2026
355.90
356.37
350.58
356.10
-0.15%
1,217,896
07/02/2026
345.62
356.73
343.42
356.65
+4.05%
1,182,852
07/01/2026
327.08
346.48
327.08
342.78
+3.58%
1,913,704
06/30/2026
326.33
333.00
321.52
330.94
+1.26%
1,588,715
06/29/2026
324.23
329.68
322.67
326.83
-0.34%
1,387,363
06/26/2026
318.99
329.61
316.10
327.94
+4.03%
5,288,370
06/25/2026
323.75
327.71
315.06
315.23
-2.93%
1,744,246
06/24/2026
321.86
327.49
318.49
324.74
+1.48%
2,362,208
06/23/2026
317.57
322.83
315.97
320.01
+2.27%
2,771,300
06/22/2026
315.79
319.02
312.91
312.92
-1.29%
2,131,285
06/18/2026
327.11
327.25
316.76
317.02
-2.74%
2,382,747
06/17/2026
326.28
334.03
324.26
325.95
-1.44%
1,750,952
06/16/2026
330.05
332.39
328.38
330.70
+0.59%
1,751,282
06/15/2026
335.94
337.44
327.23
328.76
-1.73%
1,405,761
06/12/2026
334.24
337.43
330.06
334.55
+0.04%
1,377,922
06/11/2026
333.63
339.33
333.63
334.41
-0.34%
1,430,207
06/10/2026
333.72
339.99
330.25
335.57
+1.43%
1,749,462
06/09/2026
324.13
332.31
320.82
330.84
+1.76%
1,955,870
06/08/2026
324.75
328.08
323.05
325.11
-0.82%
1,470,253
06/05/2026
324.26
330.38
323.38
327.78
+1.95%
1,340,176
06/04/2026
320.44
327.15
318.08
321.51
+2.10%
1,578,463
06/03/2026
315.44
316.32
310.36
314.88
-0.71%
1,616,656
06/02/2026
316.86
318.62
311.63
317.14
-0.80%
1,051,568
06/01/2026
313.07
320.69
312.52
319.68
+1.38%
1,430,909
05/29/2026
317.05
317.11
313.82
315.34
-0.70%
2,856,922
05/28/2026
319.30
321.36
315.31
317.58
-0.08%
1,350,674
05/27/2026
320.36
324.86
316.76
317.82
-0.23%
1,073,471
05/26/2026
325.53
325.64
317.76
318.56
-1.69%
1,410,903
05/22/2026
322.54
324.66
319.92
324.04
+0.17%
939,505
05/21/2026
317.99
324.53
314.28
323.48
+0.96%
946,463
05/20/2026
322.86
322.86
316.18
320.42
-0.78%
1,479,132
05/19/2026
327.41
329.47
321.53
322.92
-0.89%
2,140,506
05/18/2026
316.79
327.73
316.79
325.83
+2.95%
1,455,602
05/15/2026
315.52
320.96
315.52
316.50
+0.57%
1,955,297
05/14/2026
310.90
316.54
310.90
314.69
+1.45%
1,844,875
05/13/2026
312.91
314.77
307.81
310.19
-1.72%
1,672,441
05/12/2026
313.18
316.87
309.92
315.63
+1.37%
1,622,714
05/11/2026
311.71
314.13
309.16
311.36
-0.23%
1,166,107
05/08/2026
312.29
313.35
308.52
312.08
-0.26%
1,179,163
05/07/2026
306.49
315.18
305.82
312.88
+1.73%
1,858,930
05/06/2026
315.69
316.77
306.17
307.57
-2.00%
1,476,881
05/05/2026
312.96
314.69
308.29
313.83
-0.12%
1,177,107
05/04/2026
309.23
315.84
307.87
314.20
+1.09%
1,382,074
05/01/2026
325.77
325.77
310.02
310.80
+0.22%
1,822,712
05/01/2026
$0.82 Dividend
05/01/2026
$6.48 Earnings
04/30/2026
310.90
312.48
305.52
310.12
-3.36%
2,614,636
04/29/2026
318.32
321.54
317.55
320.91
+0.25%
1,156,949
04/28/2026
325.13
327.34
318.95
320.10
-0.65%
1,312,172
04/27/2026
317.96
324.35
317.44
322.19
+0.82%
1,248,903