ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
143.90
+6.36 (4.62%)
At close: Jun 3, 2026, 4:00 PM EDT
144.07
+0.17 (0.12%)
After-hours: Jun 3, 2026, 4:46 PM EDT
ICLR Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | 136.79 | 145.92 | 135.52 | 143.90 | 143.90 | 4.62% | 1,380,476 |
| 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% | 1,307,899 |
| May 29, 2026 | 134.75 | 138.46 | 131.49 | 136.07 | 136.07 | -0.53% | 1,541,207 |
| May 28, 2026 | 117.82 | 139.69 | 116.48 | 136.80 | 136.80 | 15.49% | 3,405,650 |
| May 27, 2026 | 114.50 | 118.67 | 113.94 | 118.45 | 118.45 | 4.04% | 1,746,793 |
| May 26, 2026 | 116.78 | 116.78 | 113.10 | 113.85 | 113.85 | -2.51% | 990,869 |
| May 22, 2026 | 116.57 | 119.55 | 115.16 | 116.78 | 116.78 | 0.18% | 383,729 |
| 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% | 859,061 |
| May 19, 2026 | 114.38 | 116.63 | 113.38 | 113.55 | 113.55 | -0.20% | 967,025 |
| May 18, 2026 | 116.38 | 120.00 | 112.86 | 113.78 | 113.78 | -2.23% | 567,407 |
| 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 |
| Apr 10, 2026 | 107.76 | 107.76 | 104.07 | 106.81 | 106.81 | 0.10% | 669,617 |
| Apr 9, 2026 | 105.12 | 106.83 | 102.53 | 106.70 | 106.70 | 0.15% | 692,962 |
| Apr 8, 2026 | 111.90 | 113.12 | 106.15 | 106.54 | 106.54 | -0.58% | 784,771 |
| Apr 7, 2026 | 109.62 | 110.74 | 106.42 | 107.16 | 107.16 | -2.24% | 536,851 |
| Apr 6, 2026 | 113.50 | 114.06 | 108.15 | 109.62 | 109.62 | -4.00% | 633,389 |
| Apr 2, 2026 | 110.06 | 115.63 | 108.58 | 114.19 | 114.19 | 2.49% | 661,195 |
| Apr 1, 2026 | 110.83 | 112.94 | 110.33 | 111.42 | 111.42 | 0.69% | 798,208 |
| Mar 31, 2026 | 105.10 | 112.01 | 103.19 | 110.66 | 110.66 | 5.29% | 1,190,155 |
| Mar 30, 2026 | 103.07 | 106.90 | 102.30 | 105.10 | 105.10 | 2.96% | 1,089,566 |
| Mar 27, 2026 | 102.70 | 103.97 | 100.95 | 102.08 | 102.08 | -0.97% | 1,045,776 |
| Mar 26, 2026 | 101.63 | 103.22 | 100.25 | 103.08 | 103.08 | 3.09% | 846,765 |
| Mar 25, 2026 | 102.40 | 104.27 | 97.11 | 99.99 | 99.99 | -1.27% | 557,686 |
| Mar 24, 2026 | 99.88 | 103.92 | 98.60 | 101.28 | 101.28 | 0.93% | 778,745 |