ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
186.65
-3.78 (-1.98%)
At close: Oct 7, 2025, 4:00 PM EDT
188.79
+2.14 (1.15%)
After-hours: Oct 7, 2025, 6:21 PM EDT
ICLR Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 7, 2025 | 190.43 | 192.74 | 185.80 | 186.65 | 186.65 | -1.98% | 640,249 |
| Oct 6, 2025 | 194.19 | 194.40 | 190.20 | 190.43 | 190.43 | -1.78% | 653,862 |
| Oct 3, 2025 | 192.00 | 197.05 | 192.00 | 193.89 | 193.89 | 0.48% | 756,989 |
| Oct 2, 2025 | 190.26 | 193.74 | 188.29 | 192.96 | 192.96 | 0.34% | 1,072,491 |
| Oct 1, 2025 | 174.70 | 192.58 | 174.70 | 192.31 | 192.31 | 9.89% | 1,797,479 |
| Sep 30, 2025 | 163.06 | 175.13 | 162.27 | 175.00 | 175.00 | 7.07% | 1,423,059 |
| Sep 29, 2025 | 165.34 | 165.36 | 162.04 | 163.44 | 163.44 | -0.21% | 615,352 |
| Sep 26, 2025 | 163.13 | 164.65 | 161.64 | 163.79 | 163.79 | 0.78% | 593,279 |
| Sep 25, 2025 | 167.40 | 167.40 | 162.41 | 162.53 | 162.53 | -2.96% | 1,092,224 |
| Sep 24, 2025 | 170.31 | 171.92 | 166.93 | 167.49 | 167.49 | -1.70% | 716,511 |
| Sep 23, 2025 | 170.83 | 173.01 | 169.40 | 170.38 | 170.38 | -0.25% | 518,589 |
| Sep 22, 2025 | 173.82 | 173.89 | 169.77 | 170.80 | 170.80 | -1.84% | 767,566 |
| Sep 19, 2025 | 182.03 | 183.46 | 173.19 | 174.00 | 174.00 | -3.03% | 1,804,750 |
| Sep 18, 2025 | 175.27 | 179.51 | 174.62 | 179.43 | 179.43 | 2.41% | 580,652 |
| Sep 17, 2025 | 172.79 | 178.17 | 172.79 | 175.21 | 175.21 | 1.20% | 895,051 |
| Sep 16, 2025 | 171.58 | 175.52 | 170.87 | 173.13 | 173.13 | 1.57% | 1,333,943 |
| Sep 15, 2025 | 176.69 | 177.00 | 170.35 | 170.46 | 170.46 | -2.59% | 1,080,719 |
| Sep 12, 2025 | 172.46 | 176.07 | 170.27 | 175.00 | 175.00 | -0.06% | 1,597,382 |
| Sep 11, 2025 | 166.72 | 175.38 | 166.40 | 175.11 | 175.11 | 5.85% | 1,410,450 |
| Sep 10, 2025 | 169.22 | 169.93 | 164.00 | 165.44 | 165.44 | -2.07% | 1,468,735 |
| Sep 9, 2025 | 171.08 | 175.42 | 168.61 | 168.94 | 168.94 | -4.99% | 1,155,429 |
| Sep 8, 2025 | 172.83 | 180.07 | 172.83 | 177.81 | 177.81 | 1.68% | 1,168,833 |
| Sep 5, 2025 | 177.30 | 180.95 | 174.03 | 174.88 | 174.88 | -0.84% | 1,260,191 |
| Sep 4, 2025 | 165.86 | 177.35 | 161.01 | 176.36 | 176.36 | -2.03% | 2,066,745 |
| Sep 3, 2025 | 182.05 | 182.67 | 178.28 | 180.01 | 180.01 | 1.22% | 1,064,753 |
| Sep 2, 2025 | 176.65 | 178.49 | 172.90 | 177.84 | 177.84 | -0.06% | 829,267 |
| Aug 29, 2025 | 175.45 | 179.44 | 173.34 | 177.94 | 177.94 | 1.65% | 552,339 |
| Aug 28, 2025 | 174.18 | 175.19 | 172.36 | 175.05 | 175.05 | 0.60% | 534,559 |
| Aug 27, 2025 | 171.86 | 174.73 | 169.99 | 174.00 | 174.00 | 1.30% | 709,563 |
| Aug 26, 2025 | 172.20 | 173.03 | 170.26 | 171.76 | 171.76 | 0.01% | 361,628 |
| Aug 25, 2025 | 175.85 | 176.26 | 171.05 | 171.75 | 171.75 | -2.32% | 739,344 |
| Aug 22, 2025 | 175.87 | 181.51 | 175.01 | 175.83 | 175.83 | 0.07% | 1,166,426 |
| Aug 21, 2025 | 177.01 | 177.99 | 174.48 | 175.70 | 175.70 | -2.52% | 1,205,341 |
| Aug 20, 2025 | 179.04 | 181.51 | 177.76 | 180.25 | 180.25 | 0.34% | 987,561 |
| Aug 19, 2025 | 178.08 | 180.67 | 177.37 | 179.64 | 179.64 | 0.60% | 901,739 |
| Aug 18, 2025 | 176.58 | 178.93 | 175.36 | 178.56 | 178.56 | 1.55% | 867,373 |
| Aug 15, 2025 | 175.97 | 177.99 | 174.13 | 175.84 | 175.84 | 0.27% | 892,297 |
| Aug 14, 2025 | 174.37 | 176.76 | 173.77 | 175.36 | 175.36 | -0.53% | 1,057,440 |
| Aug 13, 2025 | 170.36 | 176.81 | 169.10 | 176.29 | 176.29 | 4.26% | 1,444,155 |
| Aug 12, 2025 | 159.63 | 170.16 | 159.51 | 169.08 | 169.08 | 5.87% | 1,274,364 |
| Aug 11, 2025 | 158.95 | 160.89 | 157.59 | 159.71 | 159.71 | 0.80% | 899,906 |
| Aug 8, 2025 | 157.15 | 159.16 | 154.97 | 158.44 | 158.44 | 0.37% | 871,147 |
| Aug 7, 2025 | 156.81 | 159.76 | 155.37 | 157.85 | 157.85 | 1.56% | 1,205,634 |
| Aug 6, 2025 | 164.72 | 164.72 | 154.69 | 155.42 | 155.42 | -6.36% | 1,096,932 |
| Aug 5, 2025 | 165.00 | 168.17 | 163.76 | 165.98 | 165.98 | 0.72% | 1,132,888 |
| Aug 4, 2025 | 165.30 | 166.91 | 163.79 | 164.80 | 164.80 | -0.99% | 706,820 |
| Aug 1, 2025 | 167.63 | 169.00 | 162.99 | 166.44 | 166.44 | -1.63% | 1,131,166 |
| Jul 31, 2025 | 180.05 | 181.59 | 168.57 | 169.19 | 169.19 | -6.78% | 1,615,819 |
| Jul 30, 2025 | 185.38 | 186.37 | 179.25 | 181.50 | 181.50 | -2.00% | 2,560,287 |
| Jul 29, 2025 | 186.54 | 189.29 | 182.13 | 185.21 | 185.21 | -2.35% | 1,550,528 |