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ALKS

Alkermes plc.
$51.87 -0.07 (-0.13%) At close · Jul 13
Market Cap
$8.65B
Shares
166,675,807

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score
76/100
Short interest 10.5% of shares — P90 Days to cover 4.8 — P79 Price vs VWAP +22.4% — P95 Short-volume trend +2.6% — P61 Short interest change -2.8% — P37 Worst FTD 0.02% of shares — P56

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

Short Interest History

Settlement Date Current Position Previous Position Change Days to Cover
2026-06-30 17,464,944 17,962,751 -497,807 4.81
2026-06-15 17,962,751 17,355,226 +607,525 9.46
2026-05-29 17,355,226 18,277,684 -922,458 8.45
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
Showing 1–24 of 24 settlements
Key facts CIK 1520262 CUSIP G01767105 13F (30d) 39 filings 20 filers Visit website Investor relations