ICON Public Limited Company (ICLR)

NASDAQ: ICLR · Real-Time Price · USD

158.41

-5.16 (-3.15%)

At close: Aug 3, 2026, 4:00 PM EDT

158.41

0.00 (0.00%)

After-hours: Aug 3, 2026, 7:34 PM EDT

ICLR Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 3, 2026	165.31	165.80	156.56	158.41	158.41	-3.15%	1,212,010
Jul 31, 2026	165.45	171.74	162.41	163.57	163.57	-1.19%	871,153
Jul 30, 2026	165.75	172.97	162.50	165.53	165.53	-7.10%	1,772,620
Jul 29, 2026	180.25	182.54	175.63	178.18	178.18	-1.14%	1,554,626
Jul 28, 2026	177.58	186.64	177.17	180.24	180.24	6.79%	1,771,400
Jul 27, 2026	165.55	169.98	161.29	168.78	168.78	1.82%	776,444
Jul 24, 2026	173.86	173.89	165.58	165.76	165.76	-2.68%	755,647
Jul 23, 2026	175.00	182.97	169.62	170.32	170.32	1.82%	1,281,983
Jul 22, 2026	167.19	168.00	164.14	167.28	167.28	0.40%	567,912
Jul 21, 2026	163.70	167.64	162.18	166.62	166.62	0.26%	576,115
Jul 20, 2026	171.48	171.48	164.55	166.18	166.18	-2.25%	703,014
Jul 17, 2026	167.00	172.40	167.00	170.00	170.00	-	578,729
Jul 16, 2026	171.58	173.23	167.22	170.00	170.00	-1.21%	501,845
Jul 15, 2026	169.63	172.26	167.32	172.08	172.08	2.45%	457,333
Jul 14, 2026	165.10	169.38	162.83	167.97	167.97	1.13%	650,954
Jul 13, 2026	165.75	168.14	164.32	166.10	166.10	-0.97%	401,575
Jul 10, 2026	168.77	170.00	167.71	167.72	167.72	-0.62%	302,632
Jul 9, 2026	166.45	170.40	164.42	168.77	168.77	1.99%	525,213
Jul 8, 2026	166.88	167.96	162.06	165.47	165.47	-1.93%	653,781
Jul 7, 2026	172.03	172.52	167.55	168.72	168.72	-1.30%	665,519
Jul 6, 2026	170.29	171.23	167.83	170.94	170.94	-1.23%	777,131
Jul 2, 2026	177.07	179.29	170.93	173.06	173.06	-1.14%	938,188
Jul 1, 2026	174.00	181.82	173.22	175.05	175.05	0.77%	809,235
Jun 30, 2026	178.29	181.00	170.85	173.71	173.71	0.42%	1,067,785
Jun 29, 2026	169.65	173.51	167.24	172.99	172.99	1.84%	1,359,741
Jun 26, 2026	158.59	170.51	158.59	169.86	169.86	5.53%	1,443,150
Jun 25, 2026	161.92	168.63	160.47	160.96	160.96	1.76%	2,250,967
Jun 24, 2026	147.79	162.00	147.71	158.17	158.17	10.86%	2,406,490
Jun 23, 2026	139.72	145.01	138.84	142.67	142.67	1.38%	696,206
Jun 22, 2026	145.77	148.00	140.14	140.73	140.73	-3.61%	918,795
Jun 18, 2026	145.32	146.51	141.70	146.00	146.00	1.91%	870,065
Jun 17, 2026	143.65	145.09	140.00	143.27	143.27	-0.19%	989,822
Jun 16, 2026	148.88	148.88	142.93	143.54	143.54	-2.83%	568,515
Jun 15, 2026	147.20	148.74	144.84	147.72	147.72	1.05%	598,044
Jun 12, 2026	150.11	151.53	143.86	146.18	146.18	-2.49%	703,865
Jun 11, 2026	144.89	149.97	143.30	149.92	149.92	3.69%	790,291
Jun 10, 2026	152.15	154.27	144.31	144.59	144.59	-4.76%	1,014,576
Jun 9, 2026	152.93	156.20	150.32	151.82	151.82	-0.28%	1,220,459
Jun 8, 2026	149.45	153.94	147.17	152.24	152.24	1.87%	1,129,033
Jun 5, 2026	151.78	153.75	147.97	149.45	149.45	-2.19%	1,348,942
Jun 4, 2026	144.28	153.84	144.28	152.80	152.80	6.18%	1,689,878
Jun 3, 2026	136.79	145.92	135.52	143.90	143.90	4.62%	1,380,500
Jun 2, 2026	138.28	143.04	134.39	137.54	137.54	-0.35%	1,244,128
Jun 1, 2026	133.70	138.46	132.36	138.03	138.03	1.44%	1,308,108
May 29, 2026	134.75	138.46	131.49	136.07	136.07	-0.53%	1,581,296
May 28, 2026	117.82	139.69	116.48	136.80	136.80	15.49%	3,417,976
May 27, 2026	114.50	118.67	113.94	118.45	118.45	4.04%	1,765,704
May 26, 2026	116.78	116.78	113.10	113.85	113.85	-2.51%	996,522
May 22, 2026	116.57	119.55	115.16	116.78	116.78	0.18%	383,745
May 21, 2026	113.90	116.80	112.43	116.57	116.57	1.29%	371,708