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 $2,238.79 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $703.04, while $1000 invested 1 year ago would be worth $1,002.79. This corresponds to total returns of 123.88%, -29.7%, 0.28%, respectively, with annualized returns of 8.39%, -6.8%, 0.28%.

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
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
July 28, 2026	177.58	180.24	180.24	186.64	177.17	1.78M
July 27, 2026	165.55	168.78	168.78	169.98	161.29	778,241
July 23, 2026	175	170.32	170.32	182.97	169.62	1.28M
July 22, 2026	167.19	167.28	167.28	168	164.14	568,059
July 21, 2026	163.7	166.62	166.62	167.64	162.18	576,115
July 20, 2026	171.48	166.18	166.18	171.48	164.55	703,014
July 17, 2026	167	170	170	172.4	167	579,474
July 16, 2026	171.58	170	170	173.23	167.22	501,845
July 15, 2026	169.63	172.08	172.08	172.26	167.32	457,822
July 14, 2026	165.1	167.97	167.97	169.38	162.83	654,407
July 13, 2026	165.75	166.1	166.1	168.14	164.32	401,575
July 10, 2026	168.77	167.72	167.72	170	167.71	302,632
July 09, 2026	166.45	168.77	168.77	170.4	164.42	525,213
July 08, 2026	166.88	165.47	165.47	167.96	162.06	653,781
July 07, 2026	172.03	168.72	168.72	172.52	167.55	665,519
July 06, 2026	170.29	170.94	170.94	171.23	167.83	777,140
July 02, 2026	177.07	173.06	173.06	179.29	170.93	938,188
July 01, 2026	174	175.05	175.05	181.82	173.22	809,231
June 30, 2026	178.29	173.71	173.71	181	170.85	1.07M
June 29, 2026	169.65	172.99	172.99	173.51	167.24	1.36M
June 26, 2026	158.59	169.86	169.86	170.51	158.59	1.44M
June 25, 2026	161.92	160.96	160.96	168.63	160.47	2.25M
June 24, 2026	147.79	158.17	158.17	162	147.71	2.41M
June 23, 2026	139.72	142.67	142.67	145.01	138.84	691,403
June 22, 2026	145.77	140.73	140.73	148	140.14	918,708
June 18, 2026	145.32	146	146	146.51	141.7	870,048
June 17, 2026	143.65	143.27	143.27	145.09	140	989,822
June 16, 2026	148.88	143.54	143.54	148.88	142.93	568,501
June 15, 2026	147.2	147.72	147.72	148.74	144.84	598,032
June 12, 2026	150.11	146.18	146.18	151.53	143.86	703,865
June 11, 2026	144.89	149.92	149.92	149.97	143.3	790,288
June 10, 2026	152.15	144.59	144.59	154.27	144.31	1.01M
June 09, 2026	152.93	151.82	151.82	156.2	150.32	1.22M
June 08, 2026	149.45	152.24	152.24	153.94	147.17	1.13M
June 05, 2026	151.78	149.45	149.45	153.75	147.97	1.35M
June 04, 2026	144.28	152.8	152.8	153.84	144.28	1.69M
June 03, 2026	136.79	143.9	143.9	145.92	135.52	1.36M
June 02, 2026	138.28	137.54	137.54	143.04	134.39	1.24M
June 01, 2026	133.7	138.03	138.03	138.46	132.36	1.31M
May 29, 2026	134.75	136.07	136.07	138.46	131.49	1.58M
May 28, 2026	117.82	136.8	136.8	139.69	116.48	3.42M
May 27, 2026	114.5	118.45	118.45	118.68	113.94	1.75M