ALT short interest
Altimmune Inc. · Healthcare · Biotechnology · settlement date 2026-09-30
| Shares short | 46,079,911 |
|---|---|
| Change vs prior report | -5,669,845 (-11.0%) |
| Change over six months | +57.5% |
| Days to cover | 10.54 (sector: 3.78) |
| Average daily volume | 4,373,581 |
| Rank in Healthcare | #99 of 922 by days to cover |
ALT short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 46,079,911 | -11.0% | 10.54 | 4,373,581 |
| 2026-09-15 | 51,749,756 | +4.1% | 15.38 | 3,365,261 |
| 2026-08-31 | 49,714,773 | -2.5% | 11.84 | 4,200,073 |
| 2026-08-14 | 50,972,774 | -1.9% | 11.04 | 4,617,466 |
| 2026-07-31 | 51,938,259 | +7.7% | 11.45 | 4,534,307 |
| 2026-07-15 | 48,242,342 | +1.3% | 12.52 | 3,852,155 |
| 2026-06-30 | 47,634,141 | +13.6% | 8.07 | 5,904,250 |
| 2026-06-15 | 41,927,428 | +7.2% | 14.57 | 2,878,363 |
| 2026-05-29 | 39,121,187 | +3.9% | 14.46 | 2,704,753 |
| 2026-05-15 | 37,637,361 | +6.2% | 11.02 | 3,416,478 |
| 2026-04-30 | 35,446,379 | +23.4% | 4.93 | 7,192,208 |
| 2026-04-15 | 28,734,631 | -1.8% | 13.71 | 2,095,235 |
| 2026-03-31 | 29,248,014 | +10.4% | 7.65 | 3,820,795 |
| 2026-03-13 | 26,485,081 | +3.9% | 6.96 | 3,807,152 |
| 2026-02-27 | 25,499,023 | +1.5% | 9.97 | 2,556,547 |
| 2026-02-13 | 25,131,694 | +4.0% | 7.24 | 3,471,785 |
| 2026-01-30 | 24,163,422 | -8.5% | 3.50 | 6,907,580 |
| 2026-01-15 | 26,407,860 | +2.3% | 4.24 | 6,232,330 |
| 2025-12-31 | 25,810,012 | +8.8% | 4.69 | 5,502,996 |
| 2025-12-15 | 23,718,017 | +2.4% | 6.24 | 3,799,388 |
| 2025-11-28 | 23,157,756 | -0.6% | 7.04 | 3,289,773 |
| 2025-11-14 | 23,285,097 | +6.9% | 7.12 | 3,270,364 |
| 2025-10-31 | 21,780,366 | +1.3% | 8.70 | 2,504,764 |
| 2025-10-15 | 21,503,786 | -17.9% | 7.25 | 2,968,083 |
| 2025-09-30 | 26,194,292 | +4.4% | 8.70 | 3,012,028 |
import finzdata as yf
yf.Ticker("ALT").short_interest # every report since 2017
yf.Client().short_interest(["ALT"], start="2018-01-01")Healthcare short interest · ALT price history · Who owns ALT · All short interest