JAZZ
Jazz Pharmaceuticals plcCompany with tickers: JAZZ
CIK
1232524
CUSIP
G50871105
Shares Outstanding
62,742,820
13F Activity (30d)
30 filings
7 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
80/100
Short interest 6.8% of shares — P82
Days to cover 5.1 — P74
Short-volume trend +10.4% — P84
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 | 4,290,867 | 4,849,332 | -558,465 | 5.09 |
| 2026-05-15 | 4,849,332 | 5,090,611 | -241,279 | 4.69 |
| 2026-04-30 | 5,090,611 | 5,240,459 | -149,848 | 5.33 |
| 2026-04-15 | 5,240,459 | 6,526,407 | -1,285,948 | 5.97 |
| 2026-03-31 | 6,526,407 | 6,164,020 | +362,387 | 7.99 |
| 2026-03-13 | 6,164,020 | 5,997,312 | +166,708 | 7.64 |
| 2026-02-27 | 5,997,312 | 6,044,810 | -47,498 | 4.52 |
| 2026-02-13 | 6,044,810 | 5,663,941 | +380,869 | 9.14 |
| 2026-01-30 | 5,663,941 | 5,352,497 | +311,444 | 6.33 |
| 2026-01-15 | 5,352,497 | 5,363,382 | -10,885 | 3.58 |
| 2025-12-31 | 5,363,382 | 5,042,462 | +320,920 | 6.80 |
| 2025-12-15 | 5,042,462 | 4,974,908 | +67,554 | 4.72 |
| 2025-11-28 | 4,974,908 | 4,839,654 | +135,254 | 2.24 |
| 2025-11-14 | 4,839,654 | 5,116,514 | -276,860 | 5.30 |
| 2025-10-31 | 5,116,514 | 4,689,812 | +426,702 | 8.36 |
| 2025-10-15 | 4,689,812 | 4,729,765 | -39,953 | 6.68 |
| 2025-09-30 | 4,729,765 | 5,302,576 | -572,811 | 6.50 |
| 2025-09-15 | 5,302,576 | 5,714,048 | -411,472 | 7.78 |
| 2025-08-29 | 5,714,048 | 5,623,440 | +90,608 | 7.77 |
| 2025-08-15 | 5,623,440 | 5,483,116 | +140,324 | 5.54 |
| 2025-07-31 | 5,483,116 | 5,726,751 | -243,635 | 9.13 |
| 2025-07-15 | 5,726,751 | 5,869,994 | -143,243 | 9.29 |
| 2025-06-30 | 5,869,994 | 5,828,993 | +41,001 | 8.35 |
Showing 1–23 of 23 settlements