Institutional Ownership
Altimmune Inc
CUSIP 02155H200COM NEWALTQ1 2026
Shares Short
48.24M
As of Jul 15, 2026
Days to Cover
12.52
Short shares ÷ avg daily volume
Change vs Prior
+1.3%
vs previous settlement
Avg Daily Volume
3.85M
FINRA reported ADV
Short Interest History
17 settlements on record · FINRA consolidated
Higher short interest is bearish: increases show red, decreases green.
| Settlement | Shares Short | Prior | Change | Avg Daily Vol | Days to Cover |
|---|---|---|---|---|---|
| Jul 15, 2026 | 48.24M | 47.63M | +1.3% | 3.85M | 12.52 |
| Jun 30, 2026 | 47.63M | 41.93M | +13.6% | 5.90M | 8.07 |
| Jun 15, 2026 | 41.93M | 39.12M | +7.2% | 2.88M | 14.57 |
| May 29, 2026 | 39.12M | 37.64M | +3.9% | 2.70M | 14.46 |
| May 15, 2026 | 37.64M | 35.45M | +6.2% | 3.42M | 11.02 |
| Apr 30, 2026 | 35.45M | 28.73M | +23.4% | 7.19M | 4.93 |
| Apr 15, 2026 | 28.73M | 29.25M | -1.8% | 2.10M | 13.71 |
| Mar 31, 2026 | 29.25M | 26.49M | +10.4% | 3.82M | 7.65 |
| Mar 13, 2026 | 26.49M | 25.50M | +3.9% | 3.81M | 6.96 |
| Feb 27, 2026 | 25.50M | 25.13M | +1.5% | 2.56M | 9.97 |
| Feb 13, 2026 | 25.13M | 24.16M | +4.0% | 3.47M | 7.24 |
| Jan 30, 2026 | 24.16M | 26.41M | -8.5% | 6.91M | 3.50 |