ICON Public Limited Company (ICLR)
NASDAQ: ICLR · Real-Time Price · USD
172.23
-2.04 (-1.17%)
Aug 21, 2026, 4:00 PM EDT - Market closed
ICLR Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | 173.02 | 179.02 | 172.03 | 172.23 | 172.23 | -1.17% | 391,169 |
| Aug 20, 2026 | 170.17 | 180.89 | 170.17 | 174.27 | 174.27 | 1.03% | 516,251 |
| Aug 19, 2026 | 170.10 | 175.71 | 167.49 | 172.49 | 172.49 | 3.26% | 687,878 |
| Aug 18, 2026 | 170.00 | 172.95 | 166.87 | 167.05 | 167.05 | -1.42% | 556,625 |
| Aug 17, 2026 | 161.34 | 169.73 | 161.17 | 169.45 | 169.45 | 3.86% | 490,032 |
| Aug 14, 2026 | 166.65 | 167.29 | 162.42 | 163.15 | 163.15 | -2.59% | 323,993 |
| Aug 13, 2026 | 167.69 | 167.87 | 160.05 | 167.48 | 167.48 | 0.19% | 442,063 |
| Aug 12, 2026 | 165.27 | 167.74 | 161.77 | 167.17 | 167.17 | 0.96% | 822,284 |
| Aug 11, 2026 | 165.56 | 167.34 | 161.89 | 165.58 | 165.58 | -0.28% | 662,270 |
| Aug 10, 2026 | 163.80 | 167.70 | 163.80 | 166.05 | 166.05 | 0.94% | 516,573 |
| Aug 7, 2026 | 161.86 | 164.89 | 160.46 | 164.51 | 164.51 | 2.07% | 388,372 |
| Aug 6, 2026 | 162.37 | 162.65 | 159.07 | 161.17 | 161.17 | -1.43% | 469,348 |
| Aug 5, 2026 | 158.65 | 167.51 | 156.00 | 163.51 | 163.51 | 4.25% | 617,777 |
| Aug 4, 2026 | 156.71 | 157.42 | 150.86 | 156.85 | 156.85 | -0.98% | 1,045,210 |
| Aug 3, 2026 | 165.31 | 165.80 | 156.56 | 158.41 | 158.41 | -3.15% | 1,212,122 |
| Jul 31, 2026 | 165.45 | 171.74 | 162.41 | 163.57 | 163.57 | -1.19% | 871,917 |
| Jul 30, 2026 | 165.75 | 172.97 | 162.50 | 165.53 | 165.53 | -7.10% | 1,774,130 |
| Jul 29, 2026 | 180.25 | 182.54 | 175.63 | 178.18 | 178.18 | -1.14% | 1,571,972 |
| Jul 28, 2026 | 177.58 | 186.64 | 177.17 | 180.24 | 180.24 | 6.79% | 1,790,430 |
| Jul 27, 2026 | 165.55 | 169.98 | 161.29 | 168.78 | 168.78 | 1.82% | 778,242 |
| Jul 24, 2026 | 173.86 | 173.89 | 165.58 | 165.76 | 165.76 | -2.68% | 757,706 |
| Jul 23, 2026 | 175.00 | 182.97 | 169.62 | 170.32 | 170.32 | 1.82% | 1,281,985 |
| Jul 22, 2026 | 167.19 | 168.00 | 164.14 | 167.28 | 167.28 | 0.40% | 568,064 |
| Jul 21, 2026 | 163.70 | 167.64 | 162.18 | 166.62 | 166.62 | 0.26% | 576,116 |
| Jul 20, 2026 | 171.48 | 171.48 | 164.55 | 166.18 | 166.18 | -2.25% | 703,095 |
| Jul 17, 2026 | 167.00 | 172.40 | 167.00 | 170.00 | 170.00 | - | 579,565 |
| Jul 16, 2026 | 171.58 | 173.23 | 167.22 | 170.00 | 170.00 | -1.21% | 501,845 |
| Jul 15, 2026 | 169.63 | 172.26 | 167.32 | 172.08 | 172.08 | 2.45% | 460,338 |
| Jul 14, 2026 | 165.10 | 169.38 | 162.83 | 167.97 | 167.97 | 1.13% | 661,320 |
| Jul 13, 2026 | 165.75 | 168.14 | 164.32 | 166.10 | 166.10 | -0.97% | 401,575 |
| Jul 10, 2026 | 168.77 | 170.00 | 167.71 | 167.72 | 167.72 | -0.62% | 308,538 |
| Jul 9, 2026 | 166.45 | 170.40 | 164.42 | 168.77 | 168.77 | 1.99% | 525,263 |
| Jul 8, 2026 | 166.88 | 167.96 | 162.06 | 165.47 | 165.47 | -1.93% | 653,781 |
| Jul 7, 2026 | 172.03 | 172.52 | 167.55 | 168.72 | 168.72 | -1.30% | 665,519 |
| Jul 6, 2026 | 170.29 | 171.23 | 167.83 | 170.94 | 170.94 | -1.23% | 777,169 |
| Jul 2, 2026 | 177.07 | 179.29 | 170.93 | 173.06 | 173.06 | -1.14% | 938,189 |
| Jul 1, 2026 | 174.00 | 181.82 | 173.22 | 175.05 | 175.05 | 0.77% | 809,235 |
| Jun 30, 2026 | 178.29 | 181.00 | 170.85 | 173.71 | 173.71 | 0.42% | 1,067,785 |
| Jun 29, 2026 | 169.65 | 173.51 | 167.24 | 172.99 | 172.99 | 1.84% | 1,359,741 |
| Jun 26, 2026 | 158.59 | 170.51 | 158.59 | 169.86 | 169.86 | 5.53% | 1,443,150 |
| Jun 25, 2026 | 161.92 | 168.63 | 160.47 | 160.96 | 160.96 | 1.76% | 2,250,967 |
| Jun 24, 2026 | 147.79 | 162.00 | 147.71 | 158.17 | 158.17 | 10.86% | 2,406,490 |
| Jun 23, 2026 | 139.72 | 145.01 | 138.84 | 142.67 | 142.67 | 1.38% | 696,206 |
| Jun 22, 2026 | 145.77 | 148.00 | 140.14 | 140.73 | 140.73 | -3.61% | 918,795 |
| Jun 18, 2026 | 145.32 | 146.51 | 141.70 | 146.00 | 146.00 | 1.91% | 870,065 |
| Jun 17, 2026 | 143.65 | 145.09 | 140.00 | 143.27 | 143.27 | -0.19% | 989,822 |
| Jun 16, 2026 | 148.88 | 148.88 | 142.93 | 143.54 | 143.54 | -2.83% | 568,515 |
| Jun 15, 2026 | 147.20 | 148.74 | 144.84 | 147.72 | 147.72 | 1.05% | 598,044 |
| Jun 12, 2026 | 150.11 | 151.53 | 143.86 | 146.18 | 146.18 | -2.49% | 703,865 |
| Jun 11, 2026 | 144.89 | 149.97 | 143.30 | 149.92 | 149.92 | 3.69% | 790,291 |