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ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
185.27
-0.16 (-0.09%)
At close: Oct 23, 2026, 4:00 PM EDT
185.45
+0.18 (0.10%)
After-hours: Oct 23, 2026, 7:33 PM EDT

ICLR Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 23, 2026184.25185.57179.89185.27185.27-0.09%1,022,544
Oct 22, 2026180.09190.56180.09185.43185.430.10%1,018,517
Oct 21, 2026171.54188.27171.54185.25185.256.35%1,164,443
Oct 20, 2026169.26176.73168.64174.19174.193.60%936,266
Oct 19, 2026169.25173.11167.14168.14168.14-1.20%728,534
Oct 16, 2026173.58176.81167.95170.18170.18-2.83%667,941
Oct 15, 2026170.20177.20166.94175.13175.133.65%795,832
Oct 14, 2026163.54170.32163.14168.97168.972.82%629,664
Oct 13, 2026164.54166.17159.72164.34164.34-0.04%815,111
Oct 12, 2026165.14169.83163.90164.40164.400.14%869,548
Oct 9, 2026167.04169.85163.47164.17164.17-0.20%745,643
Oct 8, 2026161.62164.95159.16164.50164.500.26%1,026,195
Oct 7, 2026160.93165.22157.38164.08164.081.48%776,242
Oct 6, 2026169.69177.67161.14161.69161.69-3.94%984,008
Oct 5, 2026161.07168.76160.99168.33168.333.88%932,547
Oct 2, 2026161.85163.43160.41162.05162.050.12%676,143
Oct 1, 2026169.99170.22160.90161.85161.85-4.79%677,229
Sep 30, 2026167.98170.40165.24169.99169.99-0.21%851,063
Sep 29, 2026174.50176.70169.73170.35170.35-2.97%1,442,756
Sep 28, 2026171.13175.87169.38175.57175.571.88%1,342,157
Sep 25, 2026173.80174.92170.44172.33172.33-0.90%965,904
Sep 24, 2026163.79175.00163.79173.90173.906.10%1,619,312
Sep 23, 2026167.77169.28163.41163.90163.90-1.92%1,064,859
Sep 22, 2026170.55172.04167.11167.11167.11-1.44%1,056,012
Sep 21, 2026164.61169.95163.16169.55169.553.31%1,031,665
Sep 18, 2026169.50169.50162.59164.11164.11-3.28%1,122,557
Sep 17, 2026175.01177.50169.44169.68169.68-2.45%1,172,050
Sep 16, 2026173.51175.59172.09173.94173.940.86%818,589
Sep 15, 2026168.02172.94167.72172.45172.452.08%862,417
Sep 14, 2026171.51173.40167.80168.93168.93-0.22%1,325,066
Sep 11, 2026165.68175.63165.68169.31169.312.18%1,710,005
Sep 10, 2026159.27166.53156.70165.69165.693.87%1,142,388
Sep 9, 2026158.71161.76157.26159.51159.510.74%801,141
Sep 8, 2026162.30162.42158.04158.34158.34-3.95%949,587
Sep 4, 2026159.94165.92159.50164.85164.850.78%796,396
Sep 3, 2026159.87164.35159.55163.58163.582.34%594,049
Sep 2, 2026161.88164.24158.66159.84159.84-0.97%893,170
Sep 1, 2026165.24165.36160.01161.40161.40-2.18%604,611
Aug 31, 2026169.91170.41163.57164.99164.99-2.96%707,463
Aug 28, 2026169.41170.42165.70170.02170.020.18%314,630
Aug 27, 2026168.84174.12168.27169.72169.720.47%376,594
Aug 26, 2026165.88169.83165.45168.93168.930.01%414,096
Aug 25, 2026172.69173.00168.01168.91168.91-2.63%444,911
Aug 24, 2026170.81174.44168.38173.48173.480.73%420,717
Aug 21, 2026173.02179.02172.03172.23172.23-1.17%391,179
Aug 20, 2026170.17180.89170.17174.27174.271.03%516,252
Aug 19, 2026170.10175.71167.49172.49172.493.26%687,878
Aug 18, 2026170.00172.95166.87167.05167.05-1.42%556,625
Aug 17, 2026161.34169.73161.17169.45169.453.86%490,032
Aug 14, 2026166.65167.29162.42163.15163.15-2.59%323,993