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Aon plc (AON)
NYSE: AON · Real-Time Price · USD
335.47
+5.20 (1.57%)
At close: Feb 27, 2026, 4:00 PM EST
336.00
+0.53 (0.16%)
After-hours: Feb 27, 2026, 7:14 PM EST

Aon plc Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Feb 27, 2026331.00337.97330.56335.66335.661.63%1,142,355
Feb 26, 2026325.50332.00325.16330.27330.271.73%1,060,835
Feb 25, 2026319.90325.04317.78324.66324.661.67%1,331,889
Feb 24, 2026316.96321.30312.58319.33319.331.27%1,470,354
Feb 23, 2026324.71326.44314.89315.31315.31-3.00%1,347,397
Feb 20, 2026325.94327.20323.18325.07325.070.24%1,264,771
Feb 19, 2026322.77324.31320.91324.30324.300.41%1,015,081
Feb 18, 2026322.93326.41321.04322.98322.98-0.91%1,172,292
Feb 17, 2026324.85329.57320.00325.96325.961.32%1,861,254
Feb 13, 2026317.95322.39313.16321.70321.702.29%2,218,954
Feb 12, 2026309.71317.58304.59314.49314.491.46%2,818,297
Feb 11, 2026315.32317.91307.01309.97309.97-2.50%2,959,826
Feb 10, 2026312.99322.08312.99317.92317.922.44%3,966,788
Feb 9, 2026340.76343.92309.13310.34310.34-9.27%3,877,555
Feb 6, 2026344.71345.00340.58342.04342.04-0.38%1,324,020
Feb 5, 2026350.32353.68343.19343.36343.36-1.96%1,420,102
Feb 4, 2026348.28355.96348.18350.21350.210.97%1,268,189
Feb 3, 2026347.31351.15343.20346.84346.84-0.79%1,199,450
Feb 2, 2026353.14358.04348.25349.61349.61-0.01%1,370,621
Jan 30, 2026346.96351.80341.17349.64348.901.95%1,938,787
Jan 29, 2026335.62343.28335.57342.95342.222.99%2,149,356
Jan 28, 2026329.41335.23327.53333.00332.290.68%1,341,240
Jan 27, 2026337.18337.78325.90330.75330.05-2.40%1,330,489
Jan 26, 2026339.32342.00336.92338.87338.150.05%1,156,661
Jan 23, 2026336.14338.84333.85338.69337.970.81%1,053,374
Jan 22, 2026331.99336.58330.30335.96335.240.96%1,370,714
Jan 21, 2026339.50341.83330.77332.76332.05-1.99%1,592,884
Jan 20, 2026341.38342.97337.44339.50338.78-1.27%1,645,543
Jan 16, 2026343.28344.39340.60343.86343.13-0.28%882,946
Jan 15, 2026346.00347.06342.70344.84344.11-0.34%915,883
Jan 14, 2026344.70347.83344.50346.00345.260.41%1,019,681
Jan 13, 2026348.88350.70343.23344.59343.86-1.68%1,028,408
Jan 12, 2026351.00353.93349.37350.49349.74-0.09%1,053,516
Jan 9, 2026351.41353.36350.12350.80350.05-0.33%678,434
Jan 8, 2026349.03355.43347.22351.97351.220.59%861,739
Jan 7, 2026348.13353.16342.92349.92349.170.07%1,390,772
Jan 6, 2026350.35353.53348.32349.67348.92-0.46%797,771
Jan 5, 2026340.91352.16339.39351.29350.542.04%992,717
Jan 2, 2026351.12351.65342.75344.27343.54-2.44%780,641
Dec 31, 2025356.96356.96352.82352.88352.13-1.01%453,298
Dec 30, 2025355.94357.57353.66356.49355.73-0.07%440,147
Dec 29, 2025356.66358.55355.40356.73355.970.02%433,180
Dec 26, 2025356.24357.79354.14356.65355.89-309,355
Dec 24, 2025355.00358.14354.02356.65355.890.22%283,851
Dec 23, 2025355.77356.81353.88355.87355.110.12%590,338
Dec 22, 2025348.87356.77348.00355.46354.701.55%827,026
Dec 19, 2025352.66354.46349.91350.04349.29-0.84%2,459,720
Dec 18, 2025350.70354.06350.70353.02352.270.28%980,137
Dec 17, 2025350.36354.40349.93352.03351.280.07%885,277
Dec 16, 2025352.84354.72351.04351.80351.05-0.65%1,121,356
Dec 15, 2025353.71355.33350.98354.10353.350.09%968,847
Dec 12, 2025348.64354.12347.39353.79353.041.84%1,074,319
Dec 11, 2025342.73348.12340.05347.40346.662.16%1,037,293
Dec 10, 2025346.26346.42336.43340.05339.33-1.77%1,300,292
Dec 9, 2025344.32348.66343.08346.19345.450.82%974,829
Dec 8, 2025343.23344.55341.03343.39342.66-0.52%874,985
Dec 5, 2025346.72347.57340.19345.20344.46-0.72%1,188,957
Dec 4, 2025344.45347.99344.45347.71346.970.95%690,803
Dec 3, 2025345.49347.34341.98344.45343.72-0.36%798,396
Dec 2, 2025351.04351.66345.54345.70344.96-1.56%982,943
Dec 1, 2025352.69355.48350.42351.17350.42-0.78%1,085,634
Nov 28, 2025352.12355.62351.49353.92353.170.37%400,095
Nov 26, 2025351.49353.45349.77352.61351.860.47%654,734
Nov 25, 2025344.06351.50342.80350.96350.211.82%692,590
Nov 24, 2025347.23347.32343.32344.70343.97-0.52%1,657,370
Nov 21, 2025346.00349.70344.15346.51345.770.18%1,967,949
Nov 20, 2025343.75346.06343.18345.89345.150.50%1,124,046
Nov 19, 2025348.36349.98339.17344.17343.44-1.25%1,112,002
Nov 18, 2025352.23352.64344.41348.54347.80-0.42%1,428,733
Nov 17, 2025350.00353.00347.27350.02349.27-0.03%1,609,302
Nov 14, 2025351.85354.24344.87350.13349.38-0.23%1,232,263
Nov 13, 2025349.94352.99347.28350.94350.190.24%1,183,640
Nov 12, 2025349.17351.59345.41350.11349.360.05%1,221,218
Nov 11, 2025346.74350.43344.64349.93349.181.47%789,595
Nov 10, 2025343.34346.83341.02344.87344.14-0.42%1,099,100
Nov 7, 2025340.94348.18339.01346.32345.581.86%1,500,572
Nov 6, 2025340.83343.61339.00340.00339.28-0.50%897,142
Nov 5, 2025344.21346.76341.70341.70340.97-0.73%1,344,778
Nov 4, 2025340.11344.37337.82344.21343.481.29%1,074,554
Nov 3, 2025339.42340.37331.14339.84339.12-0.25%1,474,811
Oct 31, 2025336.43348.61334.80340.68339.213.81%2,460,245
Oct 30, 2025328.07330.71326.51328.19326.770.65%2,212,681
Oct 29, 2025327.93329.19324.28326.07324.66-1.18%1,532,198
Oct 28, 2025335.21335.21329.00329.96328.54-2.05%1,212,822
Oct 27, 2025337.00338.61335.24336.87335.42-0.25%1,438,813
Oct 24, 2025340.50342.33337.34337.73336.27-1.06%842,209
Oct 23, 2025343.00343.40338.25341.35339.88-0.51%1,238,241
Oct 22, 2025343.32344.29340.51343.10341.62-0.10%1,189,537
Oct 21, 2025343.80346.37342.18343.43341.95-0.20%981,539
Oct 20, 2025347.22347.22341.40344.11342.63-0.72%935,111
Oct 17, 2025344.07348.31344.06346.60345.111.01%2,057,521
Oct 16, 2025348.92349.04337.92343.12341.64-3.56%1,820,374
Oct 15, 2025357.49359.97353.93355.80354.27-1.31%1,094,688
Oct 14, 2025353.78360.82352.40360.51358.962.02%845,702
Oct 13, 2025357.11359.56351.87353.36351.84-1.89%728,750
Oct 10, 2025362.26363.29359.18360.15358.60-0.07%628,080
Oct 9, 2025365.60367.25359.92360.42358.87-1.36%692,525
Oct 8, 2025366.49370.31364.94365.38363.80-0.42%1,114,354
Oct 7, 2025366.25369.68364.33366.93365.350.34%852,908
Oct 6, 2025364.07367.00362.12365.70364.120.52%1,109,165