Institutional shares held 37.8 Million
2M calls
1.69M puts
Total value of holdings $159M
$8.38M calls
$7.09M puts
Market Cap $206M
49,025,300 Shares Out.
Institutional ownership 77.1%
# of Institutions 204


Latest Institutional Activity in ALT

Top Purchases

Q2 2025
Imc Chicago, LLC Shares Held: 187K ($785K)
Q2 2025
Gsa Capital Partners LLP Shares Held: 121K ($510K)
Q2 2025
Baader Bank Aktiengesellschaft Shares Held: 34.3K ($144K)
Q2 2025
Exchange Traded Concepts, LLC Shares Held: 176K ($738K)
Q2 2025
Keudell Shares Held: 16.4K ($68.7K)

Top Sells

Q2 2025
Gerber, LLC Shares Held: 207K ($868K)
Q2 2025
North Star Investment Management Corp. Shares Held: 17K ($71.4K)
Q2 2025
Pfg Investments, LLC Shares Held: 12K ($50.4K)
Q2 2025
Kraematon Investment Advisors, Inc Shares Held: 33.6K ($141K)
Q2 2025
Gamma Investing LLC Shares Held: 327 ($1.37K)

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

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

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

Track Institutional and Insider Activities on ALT

Follow Altimmune, Inc. and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells ALT shares.

Notify only if

Insider Trading

Get notified when an Altimmune, Inc. insider buys or sells ALT shares.

Notify only if

News

Receive news related to Altimmune, Inc.

Track Activities on ALT