Aon plc Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 20, 2026	322.03	327.34	321.06	324.92	324.92	0.71%	766
Feb 19, 2026	324.27	326.72	319.27	322.64	322.64	-0.54%	1,152
Feb 18, 2026	327.88	328.18	321.07	324.38	324.38	-0.54%	324
Feb 17, 2026	323.48	330.64	317.27	326.14	326.14	1.51%	3,070
Feb 13, 2026	316.06	322.50	311.29	321.29	321.29	2.55%	504
Feb 12, 2026	309.97	316.00	305.51	313.30	313.30	-1.34%	222
Feb 11, 2026	324.31	324.31	307.06	317.54	317.54	-0.26%	7,650
Feb 10, 2026	309.13	321.41	303.00	318.37	318.37	-1.15%	730
Feb 9, 2026	335.44	350.00	320.22	322.06	322.06	-5.91%	576
Feb 6, 2026	346.79	347.72	339.93	342.30	342.29	-1.40%	520
Feb 5, 2026	350.00	354.44	347.05	347.17	347.17	-2.31%	440
Feb 4, 2026	347.35	355.49	347.35	355.37	355.37	3.32%	1,101
Feb 3, 2026	351.05	351.05	343.78	343.95	343.95	-2.14%	873
Feb 2, 2026	352.34	357.47	345.94	351.46	351.46	0.38%	1,909
Jan 30, 2026	353.23	353.23	327.00	350.12	349.38	2.58%	1,195
Jan 29, 2026	333.00	342.05	333.00	341.32	340.59	2.50%	628
Jan 28, 2026	327.50	334.75	326.93	332.99	332.28	1.00%	306
Jan 27, 2026	337.01	338.80	326.42	329.68	328.98	-2.41%	382
Jan 26, 2026	340.25	341.05	334.94	337.83	337.11	0.42%	276
Jan 23, 2026	337.99	338.00	331.68	336.40	335.68	0.49%	309
Jan 22, 2026	332.76	338.33	330.79	334.75	334.04	0.71%	306
Jan 21, 2026	340.00	343.22	331.07	332.39	331.68	-2.76%	1,036
Jan 20, 2026	343.86	347.47	338.10	341.81	341.08	-0.59%	464
Jan 16, 2026	344.18	347.50	340.01	343.85	343.12	-0.03%	296
Jan 15, 2026	340.70	346.70	340.01	343.96	343.22	-0.68%	337
Jan 14, 2026	342.40	347.59	342.40	346.32	345.58	0.47%	290
Jan 13, 2026	347.51	351.82	344.71	344.71	343.98	-2.13%	168
Jan 12, 2026	351.00	354.38	349.70	352.22	351.47	-0.16%	487
Jan 9, 2026	348.29	353.90	348.29	352.78	352.03	0.14%	4,020
Jan 8, 2026	348.91	353.87	347.27	352.30	351.55	1.18%	117
Jan 7, 2026	346.53	352.81	343.39	348.19	347.45	-0.37%	651
Jan 6, 2026	350.89	353.07	348.50	349.49	348.74	-0.68%	169
Jan 5, 2026	343.87	351.89	336.26	351.89	351.14	2.30%	414
Jan 2, 2026	355.58	355.58	343.91	343.99	343.26	-3.11%	190
Dec 31, 2025	353.18	356.89	352.08	355.03	354.27	-0.58%	52
Dec 30, 2025	355.94	357.48	354.07	357.09	356.33	0.22%	350
Dec 29, 2025	360.44	360.44	354.05	356.29	355.53	-0.10%	153
Dec 24, 2025	358.48	358.48	355.15	356.65	355.89	0.50%	327
Dec 23, 2025	355.80	357.57	352.00	354.87	354.11	-0.38%	223
Dec 22, 2025	346.61	356.51	346.61	356.23	355.47	1.18%	201
Dec 19, 2025	356.45	356.45	349.09	352.08	351.33	-0.33%	39
Dec 18, 2025	350.80	354.12	347.56	353.25	352.50	0.55%	200
Dec 17, 2025	355.00	355.00	351.19	351.32	350.57	-0.38%	521
Dec 16, 2025	361.11	361.11	351.53	352.65	351.90	0.22%	238
Dec 15, 2025	353.91	355.59	351.75	351.87	351.12	-0.05%	602
Dec 12, 2025	349.07	352.05	346.07	352.05	351.30	1.53%	233
Dec 11, 2025	349.55	349.55	337.52	346.76	346.02	2.20%	806
Dec 10, 2025	346.87	350.17	339.30	339.30	338.58	-1.81%	231
Dec 9, 2025	342.89	348.00	338.59	345.54	344.80	0.40%	172
Dec 8, 2025	344.13	346.10	340.47	344.17	343.44	0.27%	195