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NASDAQ: ALT
Altimmune Inc Stock Ownership - Who owns Altimmune?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Altimmune Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Gregory L. WeaverChief Financial Officer2025-11-115,672$4.28
$24.28kSell
Matthew Scott HarrisChief Medical Officer2025-07-312,018$3.14
$6.34kBuy
M. Scot RobertsChief Scientific Officer2025-07-31846$3.14
$2.66kBuy
Raymond M. JordtChief Business Officer2025-07-311,368$3.14
$4.30kBuy
Catherine A. SohnDirector2025-03-171,000$5.79
$5.79kBuy
Gregory L. WeaverChief Financial Officer2025-03-1310,000$5.20
$52.00kBuy
M. Scot RobertsChief Scientific Officer2025-02-022,316$6.64
$15.38kSell
Vipin K. GargPresident and CEO2025-02-028,282$6.64
$54.99kSell
Matthew Scott HarrisChief Medical Officer2025-02-022,708$6.64
$17.98kSell
M. Scot RobertsChief Scientific Officer2025-02-011,801$6.64
$11.96kSell

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Net Insider Buy/Sell (L12M) Ownership

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ALT Shareholders

What type of owners hold Altimmune Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Prescott Group Capital Management LLC19.03%19,837,273$94.43MInsider
Novartis Bioventures Ltd8.00%8,345,145$39.72MInsider
Vanguard Group Inc6.11%6,373,638$30.34MInstitution
Blackrock Inc6.11%6,373,259$30.34MInstitution
Luke Evnin6.09%6,347,614$30.21MInsider
Mpm Bioventures III LLC6.09%6,347,614$30.21MInsider
Healthcare Ventures VII LP4.20%4,378,057$20.84MInsider
State Street Corp3.45%3,601,255$17.14MInstitution
Venrock Healthcare Capital Partners III LP3.36%3,500,000$16.66MInsider
James H. Cavanaugh3.18%3,317,243$15.79MInsider

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ALT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALT39.60%60.40%Net SellingNet Selling
NAGE18.41%81.59%Net BuyingNet Buying
IVVD61.79%38.21%Net SellingNet Buying
DNA9.27%90.73%Net SellingNet Selling
MNPR18.47%81.53%Net SellingNet Selling
View Top Biotech Stocks

Altimmune Stock Ownership FAQ

Who owns Altimmune?

Altimmune (NASDAQ: ALT) is owned by 39.78% institutional shareholders, 60.67% Altimmune insiders, and 0.00% retail investors. Prescott Group Capital Management LLC is the largest individual Altimmune shareholder, owning 19.84M shares representing 19.03% of the company. Prescott Group Capital Management LLC's Altimmune shares are currently valued at $101.37M.

If you're new to stock investing, here's how to buy Altimmune stock.
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