Alkermes plc (ALKS)
NASDAQ: ALKS · Real-Time Price · USD
37.19
-0.29 (-0.77%)
At close: May 18, 2026, 4:00 PM EDT
36.71
-0.48 (-1.29%)
Pre-market: May 19, 2026, 5:15 AM EDT
Alkermes Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 18, 2026 | 38.02 | 38.02 | 36.98 | 37.19 | 37.19 | -0.77% | 1,571,895 |
| May 15, 2026 | 38.25 | 38.58 | 37.36 | 37.48 | 37.48 | -2.29% | 1,315,692 |
| May 14, 2026 | 38.85 | 39.12 | 38.21 | 38.36 | 38.36 | -1.41% | 1,740,042 |
| May 13, 2026 | 38.50 | 39.56 | 38.01 | 38.91 | 38.91 | 1.62% | 3,250,711 |
| May 12, 2026 | 36.00 | 38.46 | 35.51 | 38.29 | 38.29 | 7.95% | 4,026,681 |
| May 11, 2026 | 35.22 | 35.90 | 35.21 | 35.47 | 35.47 | 1.37% | 2,323,469 |
| May 8, 2026 | 35.77 | 35.93 | 34.87 | 34.99 | 34.99 | -1.16% | 2,616,429 |
| May 7, 2026 | 35.32 | 36.32 | 35.25 | 35.40 | 35.40 | 0.23% | 2,094,196 |
| May 6, 2026 | 36.31 | 36.60 | 34.93 | 35.32 | 35.32 | -2.57% | 2,960,738 |
| May 5, 2026 | 35.25 | 36.56 | 34.07 | 36.25 | 36.25 | 6.09% | 2,614,334 |
| May 4, 2026 | 33.20 | 34.49 | 33.20 | 34.17 | 34.17 | 2.37% | 2,860,365 |
| May 1, 2026 | 33.42 | 33.90 | 33.12 | 33.38 | 33.38 | -0.98% | 1,193,224 |
| Apr 30, 2026 | 33.89 | 34.40 | 33.58 | 33.71 | 33.71 | - | 1,652,338 |
| Apr 29, 2026 | 33.76 | 34.30 | 33.50 | 33.71 | 33.71 | -1.26% | 2,732,097 |
| Apr 28, 2026 | 33.98 | 34.45 | 33.72 | 34.14 | 34.14 | 1.22% | 1,734,764 |
| Apr 27, 2026 | 33.31 | 34.29 | 32.84 | 33.73 | 33.73 | 1.26% | 1,746,027 |
| Apr 24, 2026 | 34.03 | 34.33 | 33.30 | 33.31 | 33.31 | -1.77% | 912,635 |
| Apr 23, 2026 | 33.74 | 34.16 | 33.65 | 33.91 | 33.91 | 0.50% | 1,109,410 |
| Apr 22, 2026 | 33.52 | 33.80 | 33.22 | 33.74 | 33.74 | 0.66% | 1,350,035 |
| Apr 21, 2026 | 34.43 | 34.43 | 33.46 | 33.52 | 33.52 | -2.07% | 1,259,448 |
| Apr 20, 2026 | 34.49 | 34.87 | 34.12 | 34.23 | 34.23 | -0.87% | 1,124,378 |
| Apr 17, 2026 | 34.52 | 34.72 | 34.11 | 34.53 | 34.53 | 2.27% | 2,228,857 |
| Apr 16, 2026 | 33.06 | 34.00 | 33.06 | 33.77 | 33.77 | 1.64% | 1,602,011 |
| Apr 15, 2026 | 33.92 | 34.26 | 32.96 | 33.22 | 33.22 | -1.92% | 1,640,389 |
| Apr 14, 2026 | 33.73 | 34.23 | 33.64 | 33.87 | 33.87 | 0.36% | 1,837,491 |
| Apr 13, 2026 | 32.78 | 33.80 | 32.76 | 33.75 | 33.75 | 1.17% | 2,182,812 |
| Apr 10, 2026 | 35.19 | 35.52 | 33.34 | 33.36 | 33.36 | -4.47% | 2,036,588 |
| Apr 9, 2026 | 35.00 | 35.45 | 34.44 | 34.92 | 34.92 | 0.43% | 2,049,862 |
| Apr 8, 2026 | 33.74 | 34.79 | 33.68 | 34.77 | 34.77 | 5.30% | 3,228,915 |
| Apr 7, 2026 | 33.86 | 33.96 | 32.47 | 33.02 | 33.02 | -3.11% | 2,140,415 |
| Apr 6, 2026 | 34.57 | 34.99 | 33.93 | 34.08 | 34.08 | -2.18% | 2,022,177 |
| Apr 2, 2026 | 34.58 | 35.32 | 34.31 | 34.84 | 34.84 | -0.60% | 2,485,560 |
| Apr 1, 2026 | 35.81 | 36.48 | 34.21 | 35.05 | 35.05 | -0.88% | 4,768,386 |
| Mar 31, 2026 | 32.96 | 36.22 | 32.54 | 35.36 | 35.36 | 17.28% | 12,031,520 |
| Mar 30, 2026 | 29.39 | 30.39 | 29.15 | 30.15 | 30.15 | 2.59% | 2,518,903 |
| Mar 27, 2026 | 29.90 | 30.05 | 29.20 | 29.39 | 29.39 | -1.77% | 2,073,119 |
| Mar 26, 2026 | 29.16 | 30.17 | 29.07 | 29.92 | 29.92 | 1.87% | 3,419,133 |
| Mar 25, 2026 | 28.70 | 29.69 | 28.66 | 29.37 | 29.37 | 3.42% | 1,383,090 |
| Mar 24, 2026 | 27.39 | 28.53 | 27.31 | 28.40 | 28.40 | 2.49% | 2,999,233 |
| Mar 23, 2026 | 28.48 | 28.74 | 27.66 | 27.71 | 27.71 | -1.56% | 2,320,759 |
| Mar 20, 2026 | 28.42 | 28.89 | 27.94 | 28.15 | 28.15 | -0.88% | 4,918,306 |
| Mar 19, 2026 | 27.00 | 28.49 | 27.00 | 28.40 | 28.40 | 4.41% | 2,977,705 |
| Mar 18, 2026 | 27.41 | 27.52 | 27.00 | 27.20 | 27.20 | -1.63% | 1,632,247 |
| Mar 17, 2026 | 28.20 | 28.51 | 27.65 | 27.65 | 27.65 | -1.25% | 1,314,909 |
| Mar 16, 2026 | 27.96 | 28.13 | 27.54 | 28.00 | 28.00 | 0.86% | 1,640,597 |
| Mar 13, 2026 | 27.88 | 28.34 | 27.41 | 27.76 | 27.76 | 0.43% | 2,896,735 |
| Mar 12, 2026 | 27.43 | 28.02 | 27.03 | 27.64 | 27.64 | -0.47% | 2,597,551 |
| Mar 11, 2026 | 27.58 | 27.79 | 27.20 | 27.77 | 27.77 | 0.11% | 1,638,310 |
| Mar 10, 2026 | 28.46 | 28.56 | 27.66 | 27.74 | 27.74 | -2.50% | 2,471,531 |
| Mar 9, 2026 | 28.51 | 28.89 | 27.96 | 28.45 | 28.45 | -0.63% | 2,027,184 |