Institutional shares held 37.7 Million
2M calls
1.69M puts
Total value of holdings $167M
$8.84M calls
$7.48M puts
Market Cap $217M
49,025,300 Shares Out.
Institutional ownership 76.92%
# of Institutions 204


Latest Institutional Activity in ALT

Top Purchases

Q2 2025
Baader Bank Aktiengesellschaft Shares Held: 34.3K ($152K)
Q2 2025
Exchange Traded Concepts, LLC Shares Held: 176K ($778K)
Q2 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 24.8K ($110K)
Q2 2025
Nbc Securities, Inc. Shares Held: 1K ($4.43K)
Q1 2025
Marshall Wace, LLP Shares Held: 1.17M ($5.18M)

Top Sells

Q2 2025
Versant Capital Management, Inc Shares Held: 230 ($1.02K)
Q1 2025
Ameriprise Financial Inc Shares Held: 1.44M ($6.4M)
Q1 2025
D. E. Shaw & Co., Inc. Shares Held: 50.5K ($224K)
Q1 2025
Morgan Stanley Shares Held: 657K ($2.91M)
Q1 2025
Imc Chicago, LLC Shares Held: 83.3K ($369K)

About ALT

Altimmune, Inc., a clinical stage biopharmaceutical company, focuses on developing treatments for obesity and liver diseases. The company's lead product candidate, pemvidutide (proposed INN, formerly known as ALT-801), is a GLP-1/glucagon dual receptor agonist that is in Phase 1b trial for the treatment of obesity and non-alcoholic steatohepatitis. It is also developing HepTcell, an immunotherapeutic product candidate, which is in Phase 2 clinical trial for patients chronically infected with the hepatitis B virus. The company was formerly known as Vaxin Inc. and changed its name to Altimmune, Inc. in September 2015. Altimmune, Inc. was founded in 1997 is headquartered in Gaithersburg, Maryland.


Insider Transactions at ALT

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
273K Shares
From 12 Insiders
Grant, award, or other acquisition 16.1K shares
Exercise of conversion of derivative security 246K shares
Open market or private purchase 11K shares
Sell / Disposition
160K Shares
From 6 Insiders
Payment of exercise price or tax liability 75.8K shares
Bona fide gift 67.8K shares
Open market or private sale 16K shares

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