ALKS
Alkermes plc.Company with tickers: ALKS
CIK
1520262
CUSIP
G01767105
Shares Outstanding
166,675,807
13F Activity (30d)
340 filings
331 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 18,277,684 | 19,760,435 | -1,482,751 | 7.55 |
| 2026-04-30 | 19,760,435 | 19,684,219 | +76,216 | 12.55 |
| 2026-04-15 | 19,684,219 | 19,013,418 | +670,801 | 8.17 |
| 2026-03-31 | 19,013,418 | 20,600,815 | -1,587,397 | 5.86 |
| 2026-03-13 | 20,600,815 | 18,196,226 | +2,404,589 | 9.43 |
| 2026-02-27 | 18,196,226 | 17,817,507 | +378,719 | 9.21 |
| 2026-02-13 | 17,817,507 | 18,996,649 | -1,179,142 | 11.70 |
| 2026-01-30 | 18,996,649 | 21,666,003 | -2,669,354 | 7.83 |
| 2026-01-15 | 21,666,003 | 21,843,844 | -177,841 | 10.45 |
| 2025-12-31 | 21,843,844 | 20,033,904 | +1,809,940 | 14.40 |
| 2025-12-15 | 20,033,904 | 18,829,721 | +1,204,183 | 11.59 |
| 2025-11-28 | 18,829,721 | 17,295,320 | +1,534,401 | 9.04 |
| 2025-11-14 | 17,295,320 | 15,896,950 | +1,398,370 | 4.75 |
| 2025-10-31 | 15,896,950 | 14,402,055 | +1,494,895 | 5.86 |
| 2025-10-15 | 14,402,055 | 15,214,415 | -812,360 | 8.44 |
| 2025-09-30 | 15,214,415 | 15,057,012 | +157,403 | 7.54 |
| 2025-09-15 | 15,057,012 | 13,306,817 | +1,750,195 | 5.67 |
| 2025-08-29 | 13,306,817 | 13,810,862 | -504,045 | 10.13 |
| 2025-08-15 | 13,810,862 | 13,816,459 | -5,597 | 10.69 |
| 2025-07-31 | 13,816,459 | 12,567,802 | +1,248,657 | 5.39 |
| 2025-07-15 | 12,567,802 | 11,863,107 | +704,695 | 7.25 |
| 2025-06-30 | 11,863,107 | 10,562,324 | +1,300,783 | 5.91 |
| 2025-06-13 | 10,562,324 | 11,564,777 | -1,002,453 | 8.05 |
| 2025-05-30 | 11,564,777 | 11,266,903 | +297,874 | 7.36 |