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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 28, 2025 | 180.61 | 180.72 | 174.54 | 178.00 | - | -2.21% | 664,154 |
| Oct 27, 2025 | 178.11 | 184.57 | 175.13 | 182.03 | 182.03 | 2.20% | 905,751 |
| Oct 24, 2025 | 179.22 | 179.83 | 173.94 | 178.11 | 178.11 | -1.05% | 1,165,433 |
| Oct 23, 2025 | 189.00 | 193.00 | 173.38 | 180.00 | 180.00 | -6.54% | 2,237,354 |
| Oct 22, 2025 | 194.74 | 197.92 | 189.00 | 192.60 | 192.60 | -0.34% | 1,844,845 |
| Oct 21, 2025 | 187.68 | 198.30 | 184.24 | 193.26 | 193.26 | 2.55% | 1,496,348 |
| Oct 20, 2025 | 187.45 | 190.36 | 185.50 | 188.45 | 188.45 | 1.83% | 1,028,700 |
| Oct 17, 2025 | 188.00 | 189.58 | 182.33 | 185.06 | 185.06 | -1.80% | 777,993 |
| Oct 16, 2025 | 187.64 | 193.21 | 186.48 | 188.46 | 188.46 | 0.32% | 1,020,929 |
| Oct 15, 2025 | 185.64 | 188.55 | 184.09 | 187.85 | 187.85 | 1.04% | 642,609 |
| Oct 14, 2025 | 184.72 | 187.36 | 180.47 | 185.91 | 185.91 | -0.08% | 727,221 |
| Oct 13, 2025 | 183.56 | 188.18 | 182.29 | 186.05 | 186.05 | 1.40% | 805,035 |
| Oct 10, 2025 | 188.12 | 188.79 | 181.10 | 183.49 | 183.49 | -2.25% | 540,781 |
| Oct 9, 2025 | 186.13 | 189.41 | 185.58 | 187.71 | 187.71 | 0.66% | 484,846 |
| Oct 8, 2025 | 186.41 | 188.36 | 183.71 | 186.48 | 186.48 | -0.09% | 1,169,939 |
| Oct 7, 2025 | 190.43 | 192.74 | 185.80 | 186.65 | 186.65 | -1.98% | 640,406 |
| 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 |