ICON Public Limited Company (ICLR)

NASDAQ: ICLR · Real-Time Price · USD

142.67

+1.94 (1.38%)

At close: Jun 23, 2026, 4:00 PM EDT

151.50

+8.83 (6.19%)

After-hours: Jun 23, 2026, 7:58 PM EDT

ICLR Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 23, 2026	139.72	145.01	138.84	142.67	142.67	1.38%	683,767
Jun 22, 2026	145.77	148.00	140.14	140.73	140.73	-3.61%	918,708
Jun 18, 2026	145.32	146.51	141.70	146.00	146.00	1.91%	870,048
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
May 20, 2026	112.00	118.05	108.89	115.09	115.09	1.36%	859,076
May 19, 2026	114.38	116.63	113.38	113.55	113.55	-0.20%	967,128
May 18, 2026	116.38	120.00	112.86	113.78	113.78	-2.23%	567,475
May 15, 2026	117.09	118.70	115.29	116.38	116.38	-0.61%	643,446
May 14, 2026	116.39	122.77	116.39	117.09	117.09	-0.25%	1,185,035
May 13, 2026	121.76	121.76	115.64	117.38	117.38	-3.74%	641,129
May 12, 2026	120.65	123.31	118.03	121.94	121.94	2.51%	803,699
May 11, 2026	124.14	124.80	118.79	118.96	118.96	-4.44%	824,482
May 8, 2026	124.97	128.95	120.34	124.49	124.49	-0.41%	681,154
May 7, 2026	125.27	129.73	122.91	125.00	125.00	0.70%	1,121,630
May 6, 2026	123.14	125.66	121.00	124.13	124.13	2.32%	1,230,812
May 5, 2026	112.00	122.45	112.00	121.32	121.32	8.35%	1,594,531
May 4, 2026	112.42	112.53	108.80	111.97	111.97	-0.78%	781,109
May 1, 2026	119.66	120.49	112.12	112.85	112.85	-4.63%	1,000,929
Apr 30, 2026	115.15	118.80	111.00	118.33	118.33	1.86%	1,561,248
Apr 29, 2026	116.25	119.43	110.38	116.17	116.17	13.35%	4,097,169
Apr 28, 2026	103.09	103.85	99.06	102.49	102.49	-0.70%	1,580,316
Apr 27, 2026	102.42	103.34	99.37	103.21	103.21	1.02%	3,350,294
Apr 24, 2026	107.71	107.71	99.93	102.17	102.17	-3.92%	1,801,960
Apr 23, 2026	107.50	110.10	104.03	106.34	106.34	-7.87%	2,320,405
Apr 22, 2026	116.91	117.72	113.48	115.43	115.43	0.22%	1,164,462
Apr 21, 2026	116.47	118.68	114.10	115.18	115.18	-1.66%	1,023,921
Apr 20, 2026	118.25	119.45	115.78	117.12	117.12	-2.14%	995,363
Apr 17, 2026	116.98	121.03	116.41	119.68	119.68	3.55%	1,175,806
Apr 16, 2026	116.54	118.54	114.26	115.58	115.58	-0.79%	1,139,195
Apr 15, 2026	113.31	116.65	112.53	116.50	116.50	3.04%	1,356,758
Apr 14, 2026	110.54	114.29	110.25	113.06	113.06	2.44%	899,386
Apr 13, 2026	106.22	111.09	105.05	110.37	110.37	3.33%	951,128