ICON Public Limited Company (ICLR) NASDAQ

Currency In USD

ICLR Historical Return

If you invested $1000 in ICON Public Limited Company (ICLR) 10 years ago, it would be worth $2,180.5 as of October 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $654.4, while $1000 invested 1 year ago would be worth $1,030.17. This corresponds to total returns of 118.05%, -34.56%, 3.02%, respectively, with annualized returns of 8.11%, -8.14%, 3.02%.

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

ICLR Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 22, 2026	180.09	185.43	185.43	190.56	180.09	1.02M
October 21, 2026	171.54	185.25	185.25	188.27	171.54	1.16M
October 20, 2026	169.26	174.19	174.19	176.73	168.64	936,238
October 19, 2026	169.25	168.14	168.14	173.11	167.14	728,527
October 16, 2026	173.58	170.18	170.18	176.81	167.95	667,914
October 15, 2026	170.2	175.13	175.13	177.2	166.94	767,361
October 14, 2026	163.54	168.97	168.97	170.32	163.14	601,262
October 13, 2026	164.54	164.34	164.34	166.17	159.72	798,909
October 12, 2026	165.14	164.4	164.4	169.83	163.9	853,331
October 09, 2026	167.04	164.17	164.17	169.85	163.47	712,871
October 08, 2026	161.62	164.5	164.5	164.95	159.16	1.02M
October 07, 2026	160.93	164.08	164.08	165.22	157.38	745,435
October 06, 2026	169.69	161.69	161.69	177.67	161.14	984,006
October 05, 2026	161.07	168.33	168.33	168.76	160.99	932,545
October 02, 2026	161.85	162.05	162.05	163.43	160.41	676,140
October 01, 2026	169.99	161.85	161.85	170.22	160.9	677,174
September 30, 2026	167.98	169.99	169.99	170.4	165.24	850,361
September 29, 2026	174.5	170.35	170.35	176.7	169.73	1.44M
September 28, 2026	171.13	175.57	175.57	175.87	169.38	1.34M
September 25, 2026	173.8	172.33	172.33	174.92	170.44	965,902
September 24, 2026	163.79	173.9	173.9	175	163.79	1.62M
September 23, 2026	167.77	163.9	163.9	169.28	163.41	1.06M
September 22, 2026	170.55	167.11	167.11	172.04	167.11	1.06M
September 21, 2026	164.61	169.55	169.55	169.95	163.16	1.03M
September 18, 2026	169.5	164.11	164.11	169.5	162.59	1.12M
September 17, 2026	175.01	169.68	169.68	177.5	169.44	1.17M
September 16, 2026	173.51	173.94	173.94	175.59	172.09	818,586
September 15, 2026	168.02	172.45	172.45	172.94	167.72	862,404
September 11, 2026	165.68	169.31	169.31	175.63	165.68	1.71M
September 10, 2026	159.27	165.69	165.69	166.53	156.7	1.14M
September 09, 2026	158.71	159.51	159.51	161.76	157.26	801,034
September 08, 2026	162.3	158.34	158.34	162.42	158.04	949,581
September 04, 2026	159.94	164.85	164.85	165.92	159.5	795,909
September 03, 2026	159.87	163.58	163.58	164.35	159.54	594,039
September 02, 2026	161.88	159.84	159.84	164.24	158.66	893,167
September 01, 2026	165.24	161.4	161.4	165.36	160.01	604,609
August 31, 2026	169.91	164.99	164.99	170.41	163.57	707,457
August 28, 2026	169.41	170.02	170.02	170.42	165.7	314,629
August 27, 2026	168.84	169.72	169.72	174.12	168.27	376,277
August 26, 2026	165.88	168.93	168.93	169.83	165.45	414,049
August 25, 2026	172.69	168.91	168.91	173	168.01	444,902
August 24, 2026	170.81	173.48	173.48	174.44	168.38	420,647
August 21, 2026	173.02	172.23	172.23	179.02	172.03	391,169
August 20, 2026	170.17	174.27	174.27	180.89	170.17	516,051
August 19, 2026	170.1	172.49	172.49	175.71	167.49	686,155
August 18, 2026	170	167.05	167.05	172.95	166.87	554,123
August 17, 2026	161.34	169.45	169.45	169.73	161.17	485,725
August 14, 2026	166.65	163.15	163.15	167.29	162.42	323,830
August 13, 2026	167.69	167.48	167.48	167.87	160.05	442,047
August 12, 2026	165.27	167.17	167.17	167.74	161.77	803,934
August 11, 2026	165.56	165.58	165.58	167.34	161.89	656,815
August 10, 2026	163.8	166.05	166.05	167.7	163.8	504,038
August 07, 2026	161.86	164.51	164.51	164.89	160.46	371,173
August 06, 2026	162.37	161.17	161.17	162.65	159.07	454,372
August 05, 2026	158.65	163.51	163.51	167.51	156	610,705
August 04, 2026	156.71	156.85	156.85	157.42	150.85	1.04M
August 03, 2026	165.31	158.41	158.41	165.8	156.56	1.21M
July 31, 2026	165.45	163.57	163.57	171.74	162.41	871,853
July 30, 2026	165.75	165.53	165.53	172.97	162.5	1.77M
July 29, 2026	180.25	178.18	178.18	182.54	175.63	1.56M