Altimmune Inc. (ALT)
NASDAQ: ALT
· Real-Time Price · USD
3.91
-0.02 (-0.51%)
At close: Oct 03, 2025, 3:59 PM
3.93
0.51%
After-hours: Oct 03, 2025, 07:41 PM EDT
13F Institute Ownership
Total Institutes of 202 in Altimmune expanded their positions with an increase of 10 investors compared to the previous quarter. A reduction of 2.64M shares, as total invested capital declined by $53.62M with ownership percentage dropping from 50.48% to 43.57%.
Options Activity
Institutions are holding more Calls Contracts as Puts Contracts, indicating a bullish sentiment.
Put/Call 0.708
0.71
Call Flow 4,655,000
59%
Put Flow 3,294,000
41%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Blackrock, Inc. | 7.82% | 6.37M | +3.87% | 24.66M | < 0.01% | Aug 12, 2025 |
| Vanguard Group Inc | 6.34% | 5.17M | +17.24% | 20M | < 0.01% | Aug 11, 2025 |
| State Street Corp | 3.38% | 2.75M | -18.81% | 10.66M | < 0.01% | Aug 14, 2025 |
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