Who owns Altimmune, Inc. (ALT)? Elite investor 13F holders
4 tracked elite investors reported holding Altimmune, Inc as of 2026-06-30, including Viking Global Investors, D.E. Shaw, GMO, Renaissance Technologies LLC. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
4 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Viking Global Investors | ALTIMMUNE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 20368000.00 USD | 6700000.000000 | Shares | buy | Original filing |
| D.E. Shaw | ALTIMMUNE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 612979.00 USD | 201638.000000 | Shares | reduce | Original filing |
| GMO | ALTIMMUNE INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 254864.00 USD | 83837.000000 | Shares | reduce | Original filing |
| Renaissance Technologies LLC | ALTIMMUNE INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 217664.00 USD | 71600.000000 | Shares | buy | Original filing |
Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.
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