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ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
169.86
+8.90 (5.53%)
At close: Jun 26, 2026, 4:00 PM EDT
171.99
+2.13 (1.25%)
After-hours: Jun 26, 2026, 5:44 PM EDT

ICLR Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 2026158.59170.51158.59169.86169.865.53%1,440,893
Jun 25, 2026161.92168.63160.47160.96160.961.76%2,248,614
Jun 24, 2026147.79162.00147.71158.17158.1710.86%2,406,471
Jun 23, 2026139.72145.01138.84142.67142.671.38%696,206
Jun 22, 2026145.77148.00140.14140.73140.73-3.61%918,795
Jun 18, 2026145.32146.51141.70146.00146.001.91%870,065
Jun 17, 2026143.65145.09140.00143.27143.27-0.19%989,822
Jun 16, 2026148.88148.88142.93143.54143.54-2.83%568,515
Jun 15, 2026147.20148.74144.84147.72147.721.05%598,044
Jun 12, 2026150.11151.53143.86146.18146.18-2.49%703,865
Jun 11, 2026144.89149.97143.30149.92149.923.69%790,291
Jun 10, 2026152.15154.27144.31144.59144.59-4.76%1,014,576
Jun 9, 2026152.93156.20150.32151.82151.82-0.28%1,220,459
Jun 8, 2026149.45153.94147.17152.24152.241.87%1,129,033
Jun 5, 2026151.78153.75147.97149.45149.45-2.19%1,348,942
Jun 4, 2026144.28153.84144.28152.80152.806.18%1,689,878
Jun 3, 2026136.79145.92135.52143.90143.904.62%1,380,500
Jun 2, 2026138.28143.04134.39137.54137.54-0.35%1,244,128
Jun 1, 2026133.70138.46132.36138.03138.031.44%1,308,108
May 29, 2026134.75138.46131.49136.07136.07-0.53%1,581,296
May 28, 2026117.82139.69116.48136.80136.8015.49%3,417,976
May 27, 2026114.50118.67113.94118.45118.454.04%1,765,704
May 26, 2026116.78116.78113.10113.85113.85-2.51%996,522
May 22, 2026116.57119.55115.16116.78116.780.18%383,745
May 21, 2026113.90116.80112.43116.57116.571.29%371,708
May 20, 2026112.00118.05108.89115.09115.091.36%859,076
May 19, 2026114.38116.63113.38113.55113.55-0.20%967,128
May 18, 2026116.38120.00112.86113.78113.78-2.23%567,475
May 15, 2026117.09118.70115.29116.38116.38-0.61%643,446
May 14, 2026116.39122.77116.39117.09117.09-0.25%1,185,035
May 13, 2026121.76121.76115.64117.38117.38-3.74%641,129
May 12, 2026120.65123.31118.03121.94121.942.51%803,699
May 11, 2026124.14124.80118.79118.96118.96-4.44%824,482
May 8, 2026124.97128.95120.34124.49124.49-0.41%681,154
May 7, 2026125.27129.73122.91125.00125.000.70%1,121,630
May 6, 2026123.14125.66121.00124.13124.132.32%1,230,812
May 5, 2026112.00122.45112.00121.32121.328.35%1,594,531
May 4, 2026112.42112.53108.80111.97111.97-0.78%781,109
May 1, 2026119.66120.49112.12112.85112.85-4.63%1,000,929
Apr 30, 2026115.15118.80111.00118.33118.331.86%1,561,248
Apr 29, 2026116.25119.43110.38116.17116.1713.35%4,097,169
Apr 28, 2026103.09103.8599.06102.49102.49-0.70%1,580,316
Apr 27, 2026102.42103.3499.37103.21103.211.02%3,350,294
Apr 24, 2026107.71107.7199.93102.17102.17-3.92%1,801,960
Apr 23, 2026107.50110.10104.03106.34106.34-7.87%2,320,405
Apr 22, 2026116.91117.72113.48115.43115.430.22%1,164,462
Apr 21, 2026116.47118.68114.10115.18115.18-1.66%1,023,921
Apr 20, 2026118.25119.45115.78117.12117.12-2.14%995,363
Apr 17, 2026116.98121.03116.41119.68119.683.55%1,175,806
Apr 16, 2026116.54118.54114.26115.58115.58-0.79%1,139,195
Apr 15, 2026113.31116.65112.53116.50116.503.04%1,356,758
Apr 14, 2026110.54114.29110.25113.06113.062.44%899,386
Apr 13, 2026106.22111.09105.05110.37110.373.33%951,128
Apr 10, 2026107.76107.76104.07106.81106.810.10%669,617
Apr 9, 2026105.12106.83102.53106.70106.700.15%692,962
Apr 8, 2026111.90113.12106.15106.54106.54-0.58%784,771
Apr 7, 2026109.62110.74106.42107.16107.16-2.24%536,851
Apr 6, 2026113.50114.06108.15109.62109.62-4.00%633,389
Apr 2, 2026110.06115.63108.58114.19114.192.49%661,195
Apr 1, 2026110.83112.94110.33111.42111.420.69%798,208
Mar 31, 2026105.10112.01103.19110.66110.665.29%1,190,155
Mar 30, 2026103.07106.90102.30105.10105.102.96%1,089,566
Mar 27, 2026102.70103.97100.95102.08102.08-0.97%1,045,776
Mar 26, 2026101.63103.22100.25103.08103.083.09%846,765
Mar 25, 2026102.40104.2797.1199.9999.99-1.27%557,686
Mar 24, 202699.88103.9298.60101.28101.280.93%778,745
Mar 23, 2026101.05103.4299.88100.35100.350.65%802,780
Mar 20, 202698.18100.7097.2199.7099.701.68%1,375,338
Mar 19, 202696.0198.7795.7598.0598.050.94%689,039
Mar 18, 202698.3099.7396.5097.1497.14-3.33%1,164,477
Mar 17, 202698.99102.3498.01100.49100.492.95%874,149
Mar 16, 202699.94100.6896.0097.6197.61-0.73%1,059,407
Mar 13, 202698.4099.4097.0698.3398.330.90%970,245
Mar 12, 2026104.35107.1297.3697.4597.45-7.53%1,146,472
Mar 11, 2026107.12107.98104.30105.38105.38-1.16%791,939
Mar 10, 2026110.25110.25105.75106.62106.62-3.10%1,353,363
Mar 9, 2026105.77110.41104.01110.03110.032.64%1,051,820
Mar 6, 2026108.23109.97106.28107.20107.20-3.07%1,393,466
Mar 5, 2026108.43113.88108.43110.60110.600.36%1,330,117
Mar 4, 2026109.29111.37106.98110.20110.201.38%1,027,038
Mar 3, 2026105.89109.58103.74108.70108.700.40%1,225,753
Mar 2, 2026105.81110.28105.51108.27108.270.12%1,772,031
Feb 27, 2026105.95108.72104.12108.14108.141.89%1,383,290
Feb 26, 2026100.65106.8699.98106.13106.135.08%1,396,515
Feb 25, 2026104.92104.9299.49101.00101.00-2.97%1,138,596
Feb 24, 2026104.84106.89103.85104.09104.09-0.54%1,287,055
Feb 23, 2026100.68105.50100.03104.66104.664.97%2,454,668
Feb 20, 202696.83100.8396.8399.7099.701.31%1,642,937
Feb 19, 202694.8599.5292.5998.4198.411.98%2,217,636
Feb 18, 202689.2697.3087.9196.5096.508.89%3,163,478
Feb 17, 202690.4894.3388.3888.6288.62-4.71%5,243,362
Feb 13, 202681.5096.5581.3193.0093.0016.13%14,188,052
Feb 12, 202679.9787.0066.5780.0880.08-39.85%23,558,138
Feb 11, 2026143.34145.28130.01133.14133.14-7.89%3,494,949
Feb 10, 2026154.40154.99144.01144.55144.55-6.48%1,515,345
Feb 9, 2026150.80155.00148.91154.57154.572.64%1,316,689
Feb 6, 2026145.23153.15144.51150.59150.593.58%1,775,730
Feb 5, 2026162.62164.72144.27145.39145.39-10.86%1,363,511
Feb 4, 2026167.67168.99162.87163.11163.11-2.86%1,858,472
Feb 3, 2026178.43178.69164.93167.91167.91-5.98%927,326