ALT
ALTIMMUNE INCData as of 2026 Q2 (06-30) · 13F snapshot
Summary
ALTIMMUNE INC (ALT) is held as common stock by 6 tracked hedge-fund managers, with a combined reported value of ~$35.37M; the largest are Andreas Halvorsen, Izzy Englander, Ken Griffin. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new, 2 added, 2 trimmed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Common-stock holders61 also report options
Congress trades0
Price$2.97vs quarter-end-2.30%
Sectors0
This quarter's moves
Top holderNew2
Added2
Trimmed / sold2
Andreas HalvorsenCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
| Investor | Value | % of portfolio | Action |
|---|
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $1.92M— of portfolio631,0002026 Q2
Value $389.1K— of portfolio128,0002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $1.92M | — | — |
| Ken GriffinPUT | $389.1K | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.