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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
Jerome Benedict DursoPresident and CEO2026-03-0620,000$3.54
$70.78kBuy
Gregory L. WeaverChief Financial Officer2026-03-065,000$3.54
$17.70kBuy
M. Scot RobertsChief Scientific Officer2026-02-022,329$5.55
$12.93kSell
Raymond M. JordtChief Business Officer2026-01-314,571$3.07
$14.03kBuy
Vipin K. GargDirector2026-01-316,926$3.07
$21.26kBuy
M. Scot RobertsChief Scientific Officer2026-01-315,567$3.07
$17.09kBuy
Vipin K. GargDirector2026-01-3011,632$5.60
$65.14kSell
M. Scot RobertsChief Scientific Officer2026-01-302,859$5.60
$16.01kSell
Raymond M. JordtChief Business Officer2026-01-274,229$6.18
$26.14kSell
M. Scot RobertsChief Scientific Officer2026-01-274,748$6.18
$29.34kSell

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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 LLC15.25%19,837,273$67.84MInsider
Blackrock Inc7.46%9,704,298$33.19MInstitution
Vanguard Group Inc7.30%9,491,159$32.46MInstitution
Novartis Bioventures Ltd6.42%8,345,145$28.54MInsider
Mpm Bioventures III LLC4.88%6,347,614$21.71MInsider
Luke Evnin4.88%6,347,614$21.71MInsider
State Street Corp3.94%5,119,703$17.51MInstitution
Healthcare Ventures VII LP3.37%4,378,057$14.97MInsider
Venrock Healthcare Capital Partners III LP2.69%3,500,000$11.97MInsider
James H. Cavanaugh2.55%3,317,243$11.34MInsider

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ALT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALT42.17%48.78%Net SellingNet Buying
IPSC14.31%23.60%Net SellingNet Selling
LYEL0.49%99.51%Net BuyingNet Buying
CTNM79.21%7.20%Net SellingNet Selling
UPB73.77%26.23%Net SellingNet Selling
View Top Biotech Stocks

Altimmune Stock Ownership FAQ

Who owns Altimmune?

Altimmune (NASDAQ: ALT) is owned by 42.17% institutional shareholders, 48.78% Altimmune insiders, and 9.06% retail investors. Prescott Group Capital Management LLC is the largest individual Altimmune shareholder, owning 19.84M shares representing 15.25% of the company. Prescott Group Capital Management LLC's Altimmune shares are currently valued at $67.84M.

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