If you invested $1000 in Alkermes plc (ALKS) 10 years ago, it would be worth $863.66 as of October 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,328.31, while $1000 invested 1 year ago would be worth $1,296.87. This corresponds to total returns of -13.63%, 32.83%, 29.69%, respectively, with annualized returns of -1.45%, 5.85%, 29.69%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 01, 2026 | 40 | 40.54 | 40.54 | 41.41 | 39.99 | 2.28M |
| September 30, 2026 | 40.94 | 40.52 | 40.52 | 40.94 | 39.92 | 2.08M |
| September 29, 2026 | 39.84 | 40.8 | 40.8 | 40.9 | 39.84 | 2.67M |
| September 28, 2026 | 40.71 | 40.15 | 40.15 | 40.97 | 40.04 | 2.08M |
| September 25, 2026 | 40.94 | 40.85 | 40.85 | 41.12 | 40.49 | 2.29M |
| September 24, 2026 | 42.55 | 40.79 | 40.79 | 42.55 | 40.59 | 2.84M |
| September 23, 2026 | 43.2 | 42.13 | 42.13 | 43.62 | 41.23 | 2.42M |
| September 22, 2026 | 44.39 | 43.29 | 43.29 | 44.53 | 43.08 | 2.29M |
| September 21, 2026 | 44.27 | 44.18 | 44.18 | 44.79 | 43.11 | 3.56M |
| September 18, 2026 | 46.51 | 43.39 | 43.39 | 46.53 | 43.27 | 6.74M |
| September 17, 2026 | 47.1 | 46.71 | 46.71 | 47.4 | 46.41 | 1.4M |
| September 16, 2026 | 46.64 | 46.07 | 46.07 | 47.26 | 45.79 | 1.74M |
| September 15, 2026 | 45.73 | 46.03 | 46.03 | 46.14 | 44.63 | 1.93M |
| September 11, 2026 | 46.75 | 45.97 | 45.97 | 46.75 | 45.73 | 1.22M |
| September 10, 2026 | 44.98 | 46.11 | 46.11 | 46.11 | 44.75 | 1.19M |
| September 09, 2026 | 45.24 | 45.4 | 45.4 | 45.61 | 44.72 | 1.37M |
| September 08, 2026 | 45.2 | 45.49 | 45.49 | 46.53 | 44.63 | 1.35M |
| September 04, 2026 | 46.14 | 46.1 | 46.1 | 46.93 | 45.8 | 1.05M |
| September 03, 2026 | 48.01 | 46.88 | 46.88 | 48.29 | 46.71 | 898,117 |
| September 02, 2026 | 47.7 | 47.72 | 47.72 | 48.74 | 46.68 | 1.42M |
| September 01, 2026 | 47 | 47.2 | 47.2 | 47.34 | 46.65 | 1.19M |
| August 31, 2026 | 47.25 | 46.99 | 46.99 | 47.56 | 46.46 | 1.43M |
| August 28, 2026 | 48.82 | 47.41 | 47.41 | 48.82 | 47.25 | 1.43M |
| August 27, 2026 | 48.72 | 48.9 | 48.9 | 49.33 | 48.1 | 2.05M |
| August 26, 2026 | 49.23 | 49.16 | 49.16 | 49.35 | 48.46 | 660,775 |
| August 25, 2026 | 48.94 | 49.21 | 49.21 | 49.58 | 48.87 | 1.04M |
| August 24, 2026 | 48.05 | 48.87 | 48.87 | 49.03 | 47.64 | 1.3M |
| August 21, 2026 | 48.05 | 48.33 | 48.33 | 48.67 | 47.33 | 939,633 |
| August 20, 2026 | 49.37 | 48.02 | 48.02 | 49.86 | 47.93 | 1.56M |
| August 19, 2026 | 51.26 | 50.18 | 50.18 | 51.29 | 50.08 | 1.54M |
| August 18, 2026 | 50.1 | 49.48 | 49.48 | 50.42 | 49.46 | 970,911 |
| August 17, 2026 | 48.9 | 49.85 | 49.85 | 50.08 | 48.62 | 763,839 |
| August 14, 2026 | 49.37 | 49.06 | 49.06 | 50.02 | 48.65 | 1.27M |
| August 13, 2026 | 51.66 | 49.45 | 49.45 | 51.66 | 49.21 | 1.55M |
| August 12, 2026 | 49.22 | 50.28 | 50.28 | 50.53 | 48.5 | 1.32M |
| August 11, 2026 | 49.92 | 49.21 | 49.21 | 50.14 | 48.97 | 1.37M |
| August 10, 2026 | 48.39 | 49.4 | 49.4 | 49.81 | 48.39 | 1.51M |
| August 07, 2026 | 49.05 | 49.17 | 49.17 | 49.9 | 48.67 | 972,985 |
| August 06, 2026 | 49.61 | 48.37 | 48.37 | 50.4 | 48.21 | 1.57M |
| August 05, 2026 | 50.2 | 49.61 | 49.61 | 50.85 | 49.23 | 1.71M |
| August 04, 2026 | 49.73 | 49.67 | 49.67 | 50.36 | 49 | 1.34M |
| August 03, 2026 | 48.58 | 49.53 | 49.53 | 50.71 | 48.19 | 1.84M |
| July 31, 2026 | 49.63 | 48.99 | 48.99 | 49.83 | 48.52 | 1.62M |
| July 30, 2026 | 47.85 | 50.03 | 50.03 | 50.34 | 47.71 | 2.27M |
| July 29, 2026 | 50.5 | 48.34 | 48.34 | 50.72 | 47.66 | 4.15M |
| July 28, 2026 | 50.43 | 50.5 | 50.5 | 52.51 | 49.33 | 2.88M |
| July 27, 2026 | 52.87 | 52.73 | 52.73 | 53.85 | 52.48 | 1.4M |
| July 24, 2026 | 53.38 | 52.89 | 52.89 | 53.88 | 52.48 | 1.29M |
| July 23, 2026 | 52.13 | 52.97 | 52.97 | 53.54 | 51.69 | 1.49M |
| July 22, 2026 | 52.55 | 52.58 | 52.58 | 53.27 | 52.35 | 1.84M |
| July 21, 2026 | 51.58 | 52.85 | 52.85 | 53.04 | 51.25 | 1.18M |
| July 20, 2026 | 52.96 | 51.72 | 51.72 | 53.24 | 51.7 | 941,817 |
| July 17, 2026 | 51.06 | 52.72 | 52.72 | 52.79 | 50.94 | 1.71M |
| July 16, 2026 | 51.77 | 51.94 | 51.94 | 53.52 | 51.55 | 1.84M |
| July 15, 2026 | 51.64 | 51.98 | 51.98 | 52.2 | 50.49 | 1.56M |
| July 14, 2026 | 51.98 | 51.6 | 51.6 | 52.17 | 50.66 | 1.78M |
| July 13, 2026 | 51.07 | 51.87 | 51.87 | 52 | 50.54 | 1.58M |
| July 10, 2026 | 53.36 | 51.94 | 51.94 | 53.38 | 51.86 | 1.69M |
| July 09, 2026 | 54.46 | 53.78 | 53.78 | 54.9 | 53.36 | 1.63M |
| July 08, 2026 | 54.37 | 54.29 | 54.29 | 54.69 | 53.68 | 1.71M |