Altimmune

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

Robinhood gives you the tools you need to put your money in motion. You can buy or sell Altimmune and other ETFs, options, and stocks.

About ALT

Altimmune, Inc. is a clinical stage biopharmaceutical company, which focuses on the development of novel peptide-based therapeutics for the treatment of obesity and liver diseases. The company's lead product candidate, pemvidutide, is a GLP-1/glucagon dual receptor agonist that is being developed for the treatment of obesity and NASH. 

CEO
Vipin K. Garg
CEOVipin K. Garg
Employees
59
Employees59
Headquarters
Gaithersburg, Maryland
HeadquartersGaithersburg, Maryland
Founded
1997
Founded1997
Employees
59
Employees59

ALT Key Statistics

Market cap
548.84M
Market cap548.84M
Price-Earnings ratio
-4.92
Price-Earnings ratio-4.92
Dividend yield
Dividend yield
Average volume
3.25M
Average volume3.25M
High today
$5.33
High today$5.33
Low today
$5.15
Low today$5.15
Open price
$5.21
Open price$5.21
Volume
2.12M
Volume2.12M
52 Week high
$10.88
52 Week high$10.88
52 Week low
$2.90
52 Week low$2.90

Stock Snapshot

With a market cap of 548.84M, Altimmune(ALT) trades at $5.22. The stock has a price-to-earnings ratio of -4.92.

During the trading session on 2025-11-29, Altimmune(ALT) shares reached a daily high of $5.33 and a low of $5.15. At a current price of $5.22, the stock is +1.4% higher than the low and still -2.1% under the high.

Trading volume for Altimmune(ALT) stock has reached 2.12M, versus its average volume of 3.25M.

The stock's 52-week range extends from a low of $2.90 to a high of $10.88.

The stock's 52-week range extends from a low of $2.90 to a high of $10.88.

ALT News

Nasdaq 5d
Noteworthy Monday Option Activity: DELL, ALT, A

Among the underlying components of the Russell 3000 index, we saw noteworthy options trading volume today in Dell Technologies Inc (Symbol: DELL), where a total...

Noteworthy Monday Option Activity: DELL, ALT, A

Analyst ratings

75%

of 8 ratings
Buy
75%
Hold
12.5%
Sell
12.5%

People also own

Based on the portfolios of people who own ALT. This list is generated using Robinhood data, and it’s not a recommendation.
All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer.