Aon plc (AON) NYSE

Currency In USD

AON Historical Return

If you invested $1000 in Aon plc (AON) 10 years ago, it would be worth $3,145.42 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,382.12, while $1000 invested 1 year ago would be worth $876.92. This corresponds to total returns of 214.54%, 38.21%, -12.31%, respectively, with annualized returns of 12.13%, 6.68%, -12.31%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

AON Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	316.51	313.63	313.63	319.75	313.62	2.08M
June 18, 2026	327.86	317.74	317.74	328	317.48	2.35M
June 17, 2026	327.02	326.69	326.69	334.79	325	1.74M
June 16, 2026	330.8	331.45	331.45	333.15	329.13	1.75M
June 15, 2026	336.71	329.51	329.51	338.21	327.98	1.4M
June 12, 2026	335	335.31	335.31	338.2	330.81	1.34M
June 11, 2026	334.39	335.17	335.17	340.1	334.39	1.43M
June 10, 2026	334.48	336.33	336.33	340.76	331	1.72M
June 09, 2026	324.87	331.59	331.59	333.07	321.55	1.88M
June 08, 2026	325.49	325.85	325.85	328.83	323.78	1.44M
June 05, 2026	325	328.53	328.53	331.13	324.12	1.33M
June 04, 2026	321.17	322.24	322.24	327.9	318.81	1.55M
June 03, 2026	316.16	315.6	315.6	317.04	311.07	1.56M
June 02, 2026	317.58	317.86	317.86	319.35	312.34	1.04M
June 01, 2026	313.78	320.41	320.41	321.42	313.23	1.42M
May 29, 2026	317.77	316.06	316.06	317.83	314.54	2.83M
May 28, 2026	320.03	318.3	318.3	322.09	316.03	1.35M
May 27, 2026	321.09	318.54	318.54	325.6	317.49	1.07M
May 26, 2026	326.27	319.29	319.29	326.38	318.48	1.41M
May 22, 2026	323.28	324.78	324.78	325.4	320.65	928,967
May 21, 2026	318.71	324.22	324.22	325.27	315	946,436
May 20, 2026	323.6	321.15	321.15	323.6	316.9	1.48M
May 19, 2026	328.16	323.66	323.66	330.22	322.26	2.13M
May 18, 2026	317.51	326.57	326.57	328.48	317.51	1.43M
May 15, 2026	316.24	317.22	317.22	321.69	316.24	1.94M
May 14, 2026	314.23	315.5	315.5	317.23	311.61	1.5M
May 13, 2026	313.62	310.9	310.9	315.49	308.51	1.63M
May 12, 2026	313.89	316.35	316.35	317.59	310.63	1.58M
May 11, 2026	312.42	312.07	312.07	314.85	309.87	1.15M
May 08, 2026	313	312.79	312.79	314.06	309.22	1.18M
May 07, 2026	307.19	313.59	313.59	315.9	306.52	1.82M
May 06, 2026	316.41	308.27	308.27	317.49	306.87	1.42M
May 05, 2026	313.67	314.55	314.55	315.41	308.99	1.13M
May 04, 2026	309.93	314.92	314.92	316.56	308.57	1.38M
May 01, 2026	326.52	311.51	311.51	326.52	310.73	1.78M
April 30, 2026	312.43	311.65	311.65	314.02	307.02	2.61M
April 29, 2026	319.89	322.49	322.49	323.12	319.11	1.14M
April 28, 2026	326.73	321.68	321.68	328.95	320.52	1.28M
April 27, 2026	319.53	323.78	323.78	325.95	319	1.25M
April 24, 2026	322.42	321.14	321.14	323.79	318.64	743,500
April 23, 2026	326.35	323.56	323.56	328.13	321.6	941,325
April 22, 2026	333.8	326.86	326.86	334.92	324.28	1.27M
April 21, 2026	332.93	335.32	335.32	336.89	331.75	1.21M
April 20, 2026	331.45	331.95	331.95	334.35	330.91	792,177
April 17, 2026	333.27	331.8	331.8	336.35	331.43	1.13M
April 16, 2026	329.87	335.34	335.34	337.98	328.27	1.35M
April 15, 2026	323.8	328.08	328.08	329.29	321.75	1.06M
April 14, 2026	321.75	323.02	323.02	324.43	320.95	1.2M
April 13, 2026	315	325.4	325.4	325.68	313	1.65M
April 10, 2026	323.16	312.57	312.57	323.29	307.81	2.37M
April 09, 2026	326.54	325.4	325.4	328.17	322.69	1.31M
April 08, 2026	322.47	329.76	329.76	330.93	321.58	1.4M
April 07, 2026	325.61	322.47	322.47	326.55	320.1	1.19M
April 06, 2026	321.21	326.17	326.17	327.27	321.21	827,489
April 02, 2026	321.94	323.14	323.14	328.79	319.57	1.12M
April 01, 2026	321.88	321.34	321.34	325.39	318	1.08M
March 31, 2026	326.05	322.78	322.78	326.69	319.9	1.37M
March 30, 2026	316.45	324.12	324.06	325.38	315.66	1.21M
March 27, 2026	322.19	313.66	313.66	328	312.05	1.34M
March 26, 2026	320.83	323.77	323.77	326.6	320.83	1.21M