Alkermes plc (ALKS)
NASDAQ: ALKS · Real-Time Price · USD
43.39
-3.32 (-7.11%)
At close: Sep 18, 2026, 4:00 PM EDT
43.39
0.00 (0.01%)
After-hours: Sep 18, 2026, 7:30 PM EDT
Alkermes Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 46.51 | 46.53 | 43.27 | 43.39 | 43.39 | -7.11% | 6,739,528 |
| Sep 17, 2026 | 47.10 | 47.40 | 46.41 | 46.71 | 46.71 | 1.39% | 1,397,694 |
| Sep 16, 2026 | 46.64 | 47.26 | 45.79 | 46.07 | 46.07 | 0.09% | 1,739,909 |
| Sep 15, 2026 | 45.73 | 46.14 | 44.63 | 46.03 | 46.03 | 0.44% | 1,926,287 |
| Sep 14, 2026 | 46.60 | 46.60 | 45.66 | 45.83 | 45.83 | -0.30% | 1,902,260 |
| Sep 11, 2026 | 46.75 | 46.75 | 45.73 | 45.97 | 45.97 | -0.30% | 1,222,025 |
| Sep 10, 2026 | 44.98 | 46.11 | 44.75 | 46.11 | 46.11 | 1.56% | 1,193,873 |
| Sep 9, 2026 | 45.24 | 45.61 | 44.72 | 45.40 | 45.40 | -0.20% | 1,366,568 |
| Sep 8, 2026 | 45.20 | 46.53 | 44.63 | 45.49 | 45.49 | -1.32% | 1,354,365 |
| Sep 4, 2026 | 46.14 | 46.93 | 45.80 | 46.10 | 46.10 | -1.66% | 1,051,929 |
| Sep 3, 2026 | 48.01 | 48.29 | 46.71 | 46.88 | 46.88 | -1.76% | 898,117 |
| Sep 2, 2026 | 47.70 | 48.74 | 46.68 | 47.72 | 47.72 | 1.10% | 1,417,652 |
| Sep 1, 2026 | 47.00 | 47.34 | 46.65 | 47.20 | 47.20 | 0.45% | 1,191,257 |
| Aug 31, 2026 | 47.25 | 47.56 | 46.46 | 46.99 | 46.99 | -0.89% | 1,398,666 |
| Aug 28, 2026 | 48.82 | 48.82 | 47.25 | 47.41 | 47.41 | -3.05% | 1,429,292 |
| Aug 27, 2026 | 48.72 | 49.33 | 48.10 | 48.90 | 48.90 | -0.53% | 2,119,395 |
| Aug 26, 2026 | 49.23 | 49.35 | 48.46 | 49.16 | 49.16 | -0.10% | 660,876 |
| Aug 25, 2026 | 48.94 | 49.58 | 48.87 | 49.21 | 49.21 | 0.70% | 1,127,442 |
| Aug 24, 2026 | 48.05 | 49.03 | 47.64 | 48.87 | 48.87 | 1.12% | 1,296,669 |
| Aug 21, 2026 | 48.05 | 48.67 | 47.33 | 48.33 | 48.33 | 0.65% | 939,640 |
| Aug 20, 2026 | 49.37 | 49.86 | 47.93 | 48.02 | 48.02 | -4.30% | 1,635,207 |
| Aug 19, 2026 | 51.26 | 51.29 | 50.08 | 50.18 | 50.18 | 1.41% | 1,544,219 |
| Aug 18, 2026 | 50.10 | 50.42 | 49.46 | 49.48 | 49.48 | -0.74% | 970,918 |
| Aug 17, 2026 | 48.90 | 50.08 | 48.62 | 49.85 | 49.85 | 1.61% | 764,040 |
| Aug 14, 2026 | 49.37 | 50.02 | 48.65 | 49.06 | 49.06 | -0.79% | 1,267,828 |
| Aug 13, 2026 | 51.66 | 51.66 | 49.21 | 49.45 | 49.45 | -1.65% | 1,546,632 |
| Aug 12, 2026 | 49.22 | 50.53 | 48.50 | 50.28 | 50.28 | 2.17% | 1,315,646 |
| Aug 11, 2026 | 49.92 | 50.14 | 48.97 | 49.21 | 49.21 | -0.38% | 1,373,601 |
| Aug 10, 2026 | 48.39 | 49.81 | 48.39 | 49.40 | 49.40 | 0.47% | 1,511,275 |
| Aug 7, 2026 | 49.05 | 49.90 | 48.67 | 49.17 | 49.17 | 1.65% | 1,110,968 |
| Aug 6, 2026 | 49.61 | 50.40 | 48.21 | 48.37 | 48.37 | -2.50% | 1,569,088 |
| Aug 5, 2026 | 50.20 | 50.85 | 49.23 | 49.61 | 49.61 | -0.12% | 1,706,769 |
| Aug 4, 2026 | 49.73 | 50.36 | 49.00 | 49.67 | 49.67 | 0.28% | 1,430,842 |
| Aug 3, 2026 | 48.58 | 50.71 | 48.19 | 49.53 | 49.53 | 1.10% | 1,835,762 |
| Jul 31, 2026 | 49.63 | 49.83 | 48.52 | 48.99 | 48.99 | -2.08% | 1,624,487 |
| Jul 30, 2026 | 47.85 | 50.34 | 47.71 | 50.03 | 50.03 | 3.50% | 2,303,338 |
| Jul 29, 2026 | 50.50 | 50.72 | 47.66 | 48.34 | 48.34 | -4.28% | 4,149,635 |
| Jul 28, 2026 | 50.43 | 52.51 | 49.33 | 50.50 | 50.50 | -4.23% | 2,875,996 |
| Jul 27, 2026 | 52.87 | 53.85 | 52.48 | 52.73 | 52.73 | -0.30% | 1,402,922 |
| Jul 24, 2026 | 53.38 | 53.88 | 52.48 | 52.89 | 52.89 | -0.15% | 1,288,506 |
| Jul 23, 2026 | 52.13 | 53.54 | 51.69 | 52.97 | 52.97 | 0.74% | 1,488,265 |
| Jul 22, 2026 | 52.55 | 53.27 | 52.35 | 52.58 | 52.58 | -0.51% | 1,837,063 |
| Jul 21, 2026 | 51.58 | 53.04 | 51.25 | 52.85 | 52.85 | 2.18% | 1,179,221 |
| Jul 20, 2026 | 52.96 | 53.24 | 51.70 | 51.72 | 51.72 | -1.90% | 941,838 |
| Jul 17, 2026 | 51.06 | 52.79 | 50.94 | 52.72 | 52.72 | 1.50% | 1,713,653 |
| Jul 16, 2026 | 51.77 | 53.52 | 51.55 | 51.94 | 51.94 | -0.08% | 1,843,684 |
| Jul 15, 2026 | 51.64 | 52.20 | 50.49 | 51.98 | 51.98 | 0.74% | 1,556,270 |
| Jul 14, 2026 | 51.98 | 52.17 | 50.66 | 51.60 | 51.60 | -0.52% | 1,776,619 |
| Jul 13, 2026 | 51.07 | 52.00 | 50.54 | 51.87 | 51.87 | -0.13% | 1,583,838 |
| Jul 10, 2026 | 53.36 | 53.38 | 51.86 | 51.94 | 51.94 | -3.42% | 1,691,454 |