JSPR
Jasper Therapeutics, Inc.Company with tickers: JSPR, JSPRW
CIK
1788028
CUSIP
471871202
Shares Outstanding
28,009,802
Website
https://jaspertx.com
13F Activity (30d)
5 filings
4 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
87/100
Short interest 8.0% of shares — P85
Days to cover 9.5 — P91
Short-volume trend +12.1% — P87
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 | 2,246,874 | 2,487,193 | -240,319 | 9.51 |
| 2026-05-15 | 2,487,193 | 2,719,374 | -232,181 | 10.25 |
| 2026-04-30 | 2,719,374 | 2,730,146 | -10,772 | 7.71 |
| 2026-04-15 | 2,730,146 | 3,015,156 | -285,010 | 3.33 |
| 2026-03-31 | 3,015,156 | 3,120,042 | -104,886 | 8.44 |
| 2026-03-13 | 3,120,042 | 3,340,380 | -220,338 | 7.49 |
| 2026-02-27 | 3,340,380 | 3,433,577 | -93,197 | 12.58 |
| 2026-02-13 | 3,433,577 | 3,559,637 | -126,060 | 6.05 |
| 2026-01-30 | 3,559,637 | 3,643,903 | -84,266 | 7.08 |
| 2026-01-15 | 3,643,903 | 3,224,369 | +419,534 | 2.51 |
| 2025-12-31 | 3,224,369 | 3,455,246 | -230,877 | 4.56 |
| 2025-12-15 | 3,455,246 | 1,831,825 | +1,623,421 | 1.00 |
| 2025-11-28 | 1,831,825 | 1,508,904 | +322,921 | 4.93 |
| 2025-11-14 | 1,508,904 | 1,525,711 | -16,807 | 3.37 |
| 2025-10-31 | 1,525,711 | 1,547,641 | -21,930 | 4.09 |
| 2025-10-15 | 1,547,641 | 1,511,116 | +36,525 | 3.59 |
| 2025-09-30 | 1,511,116 | 1,161,897 | +349,219 | 2.96 |
| 2025-09-15 | 1,161,897 | 1,120,087 | +41,810 | 7.21 |
| 2025-08-29 | 1,120,087 | 1,226,019 | -105,932 | 7.77 |
| 2025-08-15 | 1,226,019 | 1,288,779 | -62,760 | 4.31 |
| 2025-07-31 | 1,288,779 | 1,355,502 | -66,723 | 3.84 |
| 2025-07-15 | 1,355,502 | 1,289,117 | +66,385 | 1.00 |
| 2025-06-30 | 1,289,117 | 1,542,695 | -253,578 | 2.74 |
Showing 1–23 of 23 settlements