Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.53
-0.10 (-2.75%)
At close: Aug 21, 2025, 3:59 PM
3.53
0.00%
After-hours: Aug 21, 2025, 07:42 PM EDT
13F Institute Ownership
Total Institutes of 192 in Altimmune reduced their positions with a decrease of 11 investors compared to the previous quarter. A reduction of 2.32M shares, as total invested capital declined by $100.68M with ownership percentage dropping from 56.91% to 50.48%.
Options Activity
Institutions are holding Calls/Puts contracts nearly balanced, indicating a neutral sentiment.
Put/Call 0.847
0.85
Call Flow 1,993,600
54%
Put Flow 1,687,900
46%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Blackrock, Inc. | 8.12% | 6.14M | -0.39% | 30.68M | < 0.01% | May 02, 2025 |
| Vanguard Group Inc | 5.83% | 4.41M | -0.54% | 22.04M | < 0.01% | May 09, 2025 |
| State Street Corp | 4.49% | 3.39M | -2.26% | 16.96M | < 0.01% | May 15, 2025 |
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