Public filings / ALT on Yahoo Finance (opens in a new tab)
ALT: insider buying, 13F holders, analyst moves
Altimmune Inc
A summary of public filings about Altimmune Inc. For the latest insider history, price chart, analyst changes and activist filings, open the live lookup.
SEC Form 13F · Q2 2026
3 of our 100 managers hold ALT
Combined reported value $98.6M; 1 sold out since Q1 2026.
Holders among our 100 managers: 0 in Q3 2023, 3 in Q2 2026.
| Manager | Value | % of portfolio | Change vs Q1 2026 |
|---|---|---|---|
| Deep Track Capital | $58.5M | 0.86% | New |
| Viking Global Investors | $20.4M | 0.06% | New |
| RA Capital | $19.8M | 0.17% | New |
Important information
Facts from public SEC filings, shown for information only. Not a recommendation. Not individualized investment advice. Gulfstream Capital and its clients may hold positions in securities shown.