13F

Stock

Altimmune, Inc.

ALT · held by 4 managers

Reported value

$1.07M

Holders

4

+1 new · −0 exited

Holders’ est. mark

−$404.5K

Price effect on 3 books still in the name

Largest holder

$937.3K

BARCLAYS PLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BARCLAYS PLC187.5K$937.3K−$348.1KCut−$198.5K
Marex Group plc25K$125K−$55.3KCut−$55.3K
Medallion Wealth Advisors, LLC435$2.06K−$1.07KCut−$1.07K
Aventura Private Wealth, LLC200$1KNew

Positions as of Q1 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.