ZBIO
Zenas BioPharma, Inc.Company with tickers: ZBIO
CIK
1953926
CUSIP
98937L105
Shares Outstanding
62,361,260
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-03-31 | 9,362,107 | 7,709,823 | +1,652,284 | 7.48 |
| 2026-03-13 | 7,709,823 | 8,023,712 | -313,889 | 22.25 |
| 2026-02-27 | 8,023,712 | 7,801,280 | +222,432 | 10.70 |
| 2026-02-13 | 7,801,280 | 6,568,745 | +1,232,535 | 8.41 |
| 2026-01-30 | 6,568,745 | 6,086,840 | +481,905 | 11.32 |
| 2026-01-15 | 6,086,840 | 4,779,373 | +1,307,467 | 3.01 |
| 2025-12-31 | 4,779,373 | 4,950,866 | -171,493 | 11.90 |
| 2025-12-15 | 4,950,866 | 4,858,909 | +91,957 | 17.31 |
| 2025-11-28 | 4,858,909 | 4,607,781 | +251,128 | 14.36 |
| 2025-11-14 | 4,607,781 | 4,766,849 | -159,068 | 12.34 |
| 2025-10-31 | 4,766,849 | 4,336,248 | +430,601 | 6.79 |
| 2025-10-15 | 4,336,248 | 5,616,578 | -1,280,330 | 9.85 |
| 2025-09-30 | 5,616,578 | 5,551,112 | +65,466 | 20.09 |
| 2025-09-15 | 5,551,112 | 5,760,485 | -209,373 | 17.89 |
| 2025-08-29 | 5,760,485 | 5,265,933 | +494,552 | 27.55 |
| 2025-08-15 | 5,265,933 | 5,225,303 | +40,630 | 44.74 |
| 2025-07-31 | 5,225,303 | 5,072,285 | +153,018 | 41.48 |
| 2025-07-15 | 5,072,285 | 5,100,082 | -27,797 | 25.03 |
| 2025-06-30 | 5,100,082 | 4,910,375 | +189,707 | 27.93 |
| 2025-06-13 | 4,910,375 | 4,856,506 | +53,869 | 18.56 |
| 2025-05-30 | 4,856,506 | 4,915,974 | -59,468 | 41.72 |
| 2025-05-15 | 4,915,974 | 4,868,705 | +47,269 | 33.77 |
| 2025-04-30 | 4,868,705 | 4,391,730 | +476,975 | 35.10 |
| 2025-04-15 | 4,391,730 | 3,829,081 | +562,649 | 15.63 |