NBIX
Neurocrine Biosciences IncCompany with tickers: NBIX
CIK
914475
CUSIP
64125C109
Shares Outstanding
100,549,983
13F Activity (30d)
33 filings
24 filers
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
66/100
Short interest 5.5% of shares — P75
Days to cover 5.0 — P72
Short-volume trend -0.6% — P50
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-29 | 5,529,509 | 5,160,707 | +368,802 | 4.96 |
| 2026-05-15 | 5,160,707 | 5,992,527 | -831,820 | 3.69 |
| 2026-04-30 | 5,992,527 | 5,644,452 | +348,075 | 5.15 |
| 2026-04-15 | 5,644,452 | 4,557,132 | +1,087,320 | 4.86 |
| 2026-03-31 | 4,557,132 | 3,858,266 | +698,866 | 4.64 |
| 2026-03-13 | 3,858,266 | 3,382,324 | +475,942 | 3.93 |
| 2026-02-27 | 3,382,324 | 3,158,474 | +223,850 | 3.30 |
| 2026-02-13 | 3,158,474 | 3,340,144 | -181,670 | 2.11 |
| 2026-01-30 | 3,340,144 | 3,501,097 | -160,953 | 3.61 |
| 2026-01-15 | 3,501,097 | 4,067,222 | -566,125 | 2.73 |
| 2025-12-31 | 4,067,222 | 3,939,195 | +128,027 | 4.08 |
| 2025-12-15 | 3,939,195 | 3,987,908 | -48,713 | 4.45 |
| 2025-11-28 | 3,987,908 | 3,355,702 | +632,206 | 4.02 |
| 2025-11-14 | 3,355,702 | 4,114,577 | -758,875 | 2.86 |
| 2025-10-31 | 4,114,577 | 4,366,857 | -252,280 | 4.01 |
| 2025-10-15 | 4,366,857 | 4,262,521 | +104,336 | 5.38 |
| 2025-09-30 | 4,262,521 | 4,119,845 | +142,676 | 4.71 |
| 2025-09-15 | 4,119,845 | 4,130,984 | -11,139 | 4.96 |
| 2025-08-29 | 4,130,984 | 3,984,398 | +146,586 | 6.71 |
| 2025-08-15 | 3,984,398 | 2,853,448 | +1,130,950 | 3.94 |
| 2025-07-31 | 2,853,448 | 3,234,044 | -380,596 | 2.78 |
| 2025-07-15 | 3,234,044 | 3,534,131 | -300,087 | 4.06 |
| 2025-06-30 | 3,534,131 | 3,495,103 | +39,028 | 4.01 |
Showing 1–23 of 23 settlements