ZBIO short interest
Zenas BioPharma Inc. · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 11,941,601 |
|---|---|
| Change vs prior report | 70,255 (+0.6%) |
| Change over six months | +27.6% |
| Days to cover | 15.48 (sector: 3.78) |
| Average daily volume | 771,653 |
| Rank in Healthcare | #33 of 922 by days to cover |
ZBIO short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 11,941,601 | +0.6% | 15.48 | 771,653 |
| 2026-09-15 | 11,871,346 | +1.4% | 22.43 | 529,251 |
| 2026-08-31 | 11,702,288 | +0.4% | 14.18 | 825,023 |
| 2026-08-14 | 11,658,986 | -0.8% | 21.06 | 553,670 |
| 2026-07-31 | 11,753,566 | -3.4% | 13.83 | 850,076 |
| 2026-07-15 | 12,169,907 | -0.2% | 12.46 | 976,880 |
| 2026-06-30 | 12,196,436 | +9.6% | 9.64 | 1,264,717 |
| 2026-06-15 | 11,131,739 | +2.3% | 19.33 | 575,802 |
| 2026-05-29 | 10,879,470 | +1.8% | 18.13 | 599,922 |
| 2026-05-15 | 10,687,286 | -1.5% | 21.31 | 501,405 |
| 2026-04-30 | 10,853,674 | +6.2% | 23.97 | 452,799 |
| 2026-04-15 | 10,223,630 | +9.2% | 12.37 | 826,420 |
| 2026-03-31 | 9,362,107 | +21.4% | 7.48 | 1,251,928 |
| 2026-03-13 | 7,709,823 | -3.9% | 22.25 | 346,574 |
| 2026-02-27 | 8,023,712 | +2.9% | 10.70 | 749,549 |
| 2026-02-13 | 7,801,280 | +18.8% | 8.41 | 927,276 |
| 2026-01-30 | 6,568,745 | +7.9% | 11.32 | 580,250 |
| 2026-01-15 | 6,086,840 | +27.4% | 3.01 | 2,020,663 |
| 2025-12-31 | 4,779,373 | -3.5% | 11.90 | 401,626 |
| 2025-12-15 | 4,950,866 | +1.9% | 17.31 | 286,029 |
| 2025-11-28 | 4,858,909 | +5.5% | 14.36 | 338,392 |
| 2025-11-14 | 4,607,781 | -3.3% | 12.34 | 373,343 |
| 2025-10-31 | 4,766,849 | +9.9% | 6.79 | 702,385 |
| 2025-10-15 | 4,336,248 | -22.8% | 9.85 | 440,066 |
| 2025-09-30 | 5,616,578 | +1.2% | 20.09 | 279,570 |
import finzdata as yf
yf.Ticker("ZBIO").short_interest # every report since 2017
yf.Client().short_interest(["ZBIO"], start="2018-01-01")Healthcare short interest · ZBIO price history · Who owns ZBIO · All short interest