ICON Public Limited Company (ICLR)

NASDAQ: ICLR · Real-Time Price · USD

162.05

+0.20 (0.12%)

At close: Oct 2, 2026, 4:00 PM EDT

161.24

-0.81 (-0.50%)

Pre-market: Oct 5, 2026, 8:04 AM EDT

ICLR Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 2, 2026	161.85	163.43	160.41	162.05	162.05	0.12%	676,140
Oct 1, 2026	169.99	170.22	160.90	161.85	161.85	-4.79%	677,174
Sep 30, 2026	167.98	170.40	165.24	169.99	169.99	-0.21%	850,361
Sep 29, 2026	174.50	176.70	169.73	170.35	170.35	-2.97%	1,442,640
Sep 28, 2026	171.13	175.87	169.38	175.57	175.57	1.88%	1,342,119
Sep 25, 2026	173.80	174.92	170.44	172.33	172.33	-0.90%	965,902
Sep 24, 2026	163.79	175.00	163.79	173.90	173.90	6.10%	1,619,312
Sep 23, 2026	167.77	169.28	163.41	163.90	163.90	-1.92%	1,064,859
Sep 22, 2026	170.55	172.04	167.11	167.11	167.11	-1.44%	1,056,012
Sep 21, 2026	164.61	169.95	163.16	169.55	169.55	3.31%	1,031,665
Sep 18, 2026	169.50	169.50	162.59	164.11	164.11	-3.28%	1,122,557
Sep 17, 2026	175.01	177.50	169.44	169.68	169.68	-2.45%	1,172,050
Sep 16, 2026	173.51	175.59	172.09	173.94	173.94	0.86%	818,589
Sep 15, 2026	168.02	172.94	167.72	172.45	172.45	2.08%	862,417
Sep 14, 2026	171.51	173.40	167.80	168.93	168.93	-0.22%	1,325,066
Sep 11, 2026	165.68	175.63	165.68	169.31	169.31	2.18%	1,710,005
Sep 10, 2026	159.27	166.53	156.70	165.69	165.69	3.87%	1,142,388
Sep 9, 2026	158.71	161.76	157.26	159.51	159.51	0.74%	801,141
Sep 8, 2026	162.30	162.42	158.04	158.34	158.34	-3.95%	949,587
Sep 4, 2026	159.94	165.92	159.50	164.85	164.85	0.78%	796,396
Sep 3, 2026	159.87	164.35	159.55	163.58	163.58	2.34%	594,049
Sep 2, 2026	161.88	164.24	158.66	159.84	159.84	-0.97%	893,170
Sep 1, 2026	165.24	165.36	160.01	161.40	161.40	-2.18%	604,611
Aug 31, 2026	169.91	170.41	163.57	164.99	164.99	-2.96%	707,463
Aug 28, 2026	169.41	170.42	165.70	170.02	170.02	0.18%	314,630
Aug 27, 2026	168.84	174.12	168.27	169.72	169.72	0.47%	376,594
Aug 26, 2026	165.88	169.83	165.45	168.93	168.93	0.01%	414,096
Aug 25, 2026	172.69	173.00	168.01	168.91	168.91	-2.63%	444,911
Aug 24, 2026	170.81	174.44	168.38	173.48	173.48	0.73%	420,717
Aug 21, 2026	173.02	179.02	172.03	172.23	172.23	-1.17%	391,179
Aug 20, 2026	170.17	180.89	170.17	174.27	174.27	1.03%	516,252
Aug 19, 2026	170.10	175.71	167.49	172.49	172.49	3.26%	687,878
Aug 18, 2026	170.00	172.95	166.87	167.05	167.05	-1.42%	556,625
Aug 17, 2026	161.34	169.73	161.17	169.45	169.45	3.86%	490,032
Aug 14, 2026	166.65	167.29	162.42	163.15	163.15	-2.59%	323,993
Aug 13, 2026	167.69	167.87	160.05	167.48	167.48	0.19%	442,063
Aug 12, 2026	165.27	167.74	161.77	167.17	167.17	0.96%	822,284
Aug 11, 2026	165.56	167.34	161.89	165.58	165.58	-0.28%	662,270
Aug 10, 2026	163.80	167.70	163.80	166.05	166.05	0.94%	516,573
Aug 7, 2026	161.86	164.89	160.46	164.51	164.51	2.07%	388,372
Aug 6, 2026	162.37	162.65	159.07	161.17	161.17	-1.43%	469,348
Aug 5, 2026	158.65	167.51	156.00	163.51	163.51	4.25%	617,777
Aug 4, 2026	156.71	157.42	150.86	156.85	156.85	-0.98%	1,045,210
Aug 3, 2026	165.31	165.80	156.56	158.41	158.41	-3.15%	1,212,122
Jul 31, 2026	165.45	171.74	162.41	163.57	163.57	-1.19%	871,917
Jul 30, 2026	165.75	172.97	162.50	165.53	165.53	-7.10%	1,774,130
Jul 29, 2026	180.25	182.54	175.63	178.18	178.18	-1.14%	1,571,972
Jul 28, 2026	177.58	186.64	177.17	180.24	180.24	6.79%	1,790,430
Jul 27, 2026	165.55	169.98	161.29	168.78	168.78	1.82%	778,242
Jul 24, 2026	173.86	173.89	165.58	165.76	165.76	-2.68%	757,706