ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
177.73
-4.30 (-2.36%)
At close: Oct 28, 2025, 4:00 PM EDT
177.73
0.00 (0.00%)
After-hours: Oct 28, 2025, 4:00 PM EDT

ICLR Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 28, 2025180.61180.72174.54178.00--2.21%664,154
Oct 27, 2025178.11184.57175.13182.03182.032.20%905,751
Oct 24, 2025179.22179.83173.94178.11178.11-1.05%1,165,433
Oct 23, 2025189.00193.00173.38180.00180.00-6.54%2,237,354
Oct 22, 2025194.74197.92189.00192.60192.60-0.34%1,844,845
Oct 21, 2025187.68198.30184.24193.26193.262.55%1,496,348
Oct 20, 2025187.45190.36185.50188.45188.451.83%1,028,700
Oct 17, 2025188.00189.58182.33185.06185.06-1.80%777,993
Oct 16, 2025187.64193.21186.48188.46188.460.32%1,020,929
Oct 15, 2025185.64188.55184.09187.85187.851.04%642,609
Oct 14, 2025184.72187.36180.47185.91185.91-0.08%727,221
Oct 13, 2025183.56188.18182.29186.05186.051.40%805,035
Oct 10, 2025188.12188.79181.10183.49183.49-2.25%540,781
Oct 9, 2025186.13189.41185.58187.71187.710.66%484,846
Oct 8, 2025186.41188.36183.71186.48186.48-0.09%1,169,939
Oct 7, 2025190.43192.74185.80186.65186.65-1.98%640,406
Oct 6, 2025194.19194.40190.20190.43190.43-1.78%653,862
Oct 3, 2025192.00197.05192.00193.89193.890.48%756,989
Oct 2, 2025190.26193.74188.29192.96192.960.34%1,072,491
Oct 1, 2025174.70192.58174.70192.31192.319.89%1,797,479
Sep 30, 2025163.06175.13162.27175.00175.007.07%1,423,059
Sep 29, 2025165.34165.36162.04163.44163.44-0.21%615,352
Sep 26, 2025163.13164.65161.64163.79163.790.78%593,279
Sep 25, 2025167.40167.40162.41162.53162.53-2.96%1,092,224
Sep 24, 2025170.31171.92166.93167.49167.49-1.70%716,511
Sep 23, 2025170.83173.01169.40170.38170.38-0.25%518,589
Sep 22, 2025173.82173.89169.77170.80170.80-1.84%767,566
Sep 19, 2025182.03183.46173.19174.00174.00-3.03%1,804,750
Sep 18, 2025175.27179.51174.62179.43179.432.41%580,652
Sep 17, 2025172.79178.17172.79175.21175.211.20%895,051
Sep 16, 2025171.58175.52170.87173.13173.131.57%1,333,943
Sep 15, 2025176.69177.00170.35170.46170.46-2.59%1,080,719
Sep 12, 2025172.46176.07170.27175.00175.00-0.06%1,597,382
Sep 11, 2025166.72175.38166.40175.11175.115.85%1,410,450
Sep 10, 2025169.22169.93164.00165.44165.44-2.07%1,468,735
Sep 9, 2025171.08175.42168.61168.94168.94-4.99%1,155,429
Sep 8, 2025172.83180.07172.83177.81177.811.68%1,168,833
Sep 5, 2025177.30180.95174.03174.88174.88-0.84%1,260,191
Sep 4, 2025165.86177.35161.01176.36176.36-2.03%2,066,745
Sep 3, 2025182.05182.67178.28180.01180.011.22%1,064,753
Sep 2, 2025176.65178.49172.90177.84177.84-0.06%829,267
Aug 29, 2025175.45179.44173.34177.94177.941.65%552,339
Aug 28, 2025174.18175.19172.36175.05175.050.60%534,559
Aug 27, 2025171.86174.73169.99174.00174.001.30%709,563
Aug 26, 2025172.20173.03170.26171.76171.760.01%361,628
Aug 25, 2025175.85176.26171.05171.75171.75-2.32%739,344
Aug 22, 2025175.87181.51175.01175.83175.830.07%1,166,426
Aug 21, 2025177.01177.99174.48175.70175.70-2.52%1,205,341
Aug 20, 2025179.04181.51177.76180.25180.250.34%987,561
Aug 19, 2025178.08180.67177.37179.64179.640.60%901,739