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NASDAQ:ALT

Altimmune (ALT) Stock Price, News & Analysis

Altimmune logo
$2.76 -0.10 (-3.50%)
Closing price 10/1/2026 04:00 PM Eastern
Extended Trading
$2.80 +0.05 (+1.63%)
As of 08:22 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

About Altimmune Stock (NASDAQ:ALT)

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Key Stats

Today's Range
$2.75
▼
$2.85
50-Day Range
$2.76
▼
$3.42
52-Week Range
$2.56
▼
$6.44
Volume
3.59 million shs
Average Volume
3.63 million shs
Market Capitalization
$536.88 million
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$14.33
Consensus Rating
Moderate Buy

Company Overview

Altimmune, Inc. is a clinical-stage biotechnology company focused on developing treatments for obesity and liver diseases. The company’s lead product candidate is pemvidutide, a dual GLP-1/glucagon receptor agonist being studied for chronic weight management and metabolic dysfunction-associated steatohepatitis (MASH), a form of liver disease associated with metabolic disorders.

Altimmune’s research programs are designed to address diseases with significant unmet medical needs, including obesity-related complications and conditions involving liver inflammation and fibrosis. Pemvidutide is administered by injection and is being evaluated in clinical trials to assess its effects on body weight and liver health. The company’s pipeline and development priorities may change as clinical data and regulatory discussions progress.

Altimmune was formerly known as Vaxin, Inc. and has also pursued vaccine and immunotherapy programs, including investigational candidates for hepatitis B and COVID-19. The company is headquartered in Gaithersburg, Maryland, and its shares trade on the Nasdaq under the symbol ALT. Altimmune is led by President and Chief Executive Officer Vipin K. Garg.

AI Generated. May Contain Errors.

Altimmune Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
39th Percentile Overall Score

ALT MarketRank™: 

Altimmune scored higher than 39% of companies evaluated by MarketBeat, and ranked 641st out of 892 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    Altimmune has received a consensus rating of Moderate Buy. The company's average rating score is 2.70, and is based on no strong buy ratings, 8 buy ratings, 1 hold rating, and 1 sell rating.

  • Upside Potential

    Altimmune has a consensus price target of $14.33, representing about 419.3% upside from its current price of $2.76.

  • Amount of Analyst Coverage

    Altimmune has only been the subject of 3 research reports in the past 90 days.

  • Read more about Altimmune's stock forecast and price target.
  • Earnings Growth

    Earnings for Altimmune are expected to grow in the coming year, from ($0.58) to ($0.54) per share.

  • Price to Earnings Ratio vs. the Market

    The P/E ratio of Altimmune is -3.54, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Earnings Ratio vs. Sector

    The P/E ratio of Altimmune is -3.54, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Book Value per Share Ratio

    Altimmune has a P/B Ratio of 1.39. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.

  • Read more about Altimmune's valuation and earnings.
  • Percentage of Shares Shorted

    27.04% of the float of Altimmune has been sold short.
  • Short Interest Ratio / Days to Cover

    Altimmune has a short interest ratio ("days to cover") of 15.38, which indicates bearish sentiment.
  • Change versus previous month

    Short interest in Altimmune has recently increased by 4.09%, indicating that investor sentiment is decreasing.
  • Dividend Yield

    Altimmune does not currently pay a dividend.

  • Dividend Growth

    Altimmune does not have a long track record of dividend growth.

  • News Sentiment

    Altimmune has a news sentiment score of 0.02. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.53 average news sentiment score of Healthcare companies.
  • News Coverage This Week

    MarketBeat has tracked 4 news articles for Altimmune this week, compared to 5 articles on an average week.
  • Search Interest

    Only 10 people have searched for ALT on MarketBeat in the last 30 days. This is a decrease of -55% compared to the previous 30 days.
  • MarketBeat Follows

    11 people have added Altimmune to their MarketBeat watchlist in the last 30 days. This is an increase of 120% compared to the previous 30 days.
  • Insider Buying vs. Insider Selling

    In the past three months, Altimmune insiders have not sold or bought any company stock.

  • Percentage Held by Insiders

    1.60% of the stock of Altimmune is held by insiders.

  • Percentage Held by Institutions

    78.05% of the stock of Altimmune is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

  • Read more about Altimmune's insider trading history.
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ALT Stock News Headlines

Small Colorado Company (Backed by Sam Altman) Could Save U.S. Power Grid
A small Colorado company has secured rights to technology that could prevent the U.S. public power grid from collapsing — and billionaire Sam Altman is now an investor. This under-the-radar firm is drawing serious attention from those watching the energy infrastructure space closely.tc pixel
Altimmune to Participate in Stifel Cardiometabolic Forum
Reviewing Altimmune (NASDAQ:ALT) & X4 Pharmaceuticals (NASDAQ:XFOR)
See More Headlines

ALT Stock Analysis - Frequently Asked Questions

Altimmune's stock was trading at $3.61 at the beginning of the year. Since then, ALT stock has decreased by 23.5% and is now trading at $2.76.

Altimmune, Inc. (NASDAQ:ALT) released its earnings results on Wednesday, August, 12th. The company reported ($0.12) earnings per share (EPS) for the quarter, topping the consensus estimate of ($0.14) by $0.02.
Read the conference call transcript
.

Shares of Altimmune reverse split before market open on Friday, September 14th 2018.The 1-30 reverse split was announced on Thursday, September 13th 2018. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, September 13th 2018. An investor that had 100 shares of stock prior to the reverse split would have 3 shares after the split.

Shares of ALT stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

Based on aggregate information from My MarketBeat watchlists, some other companies that Altimmune investors own include Invesco QQQ (QQQ), Meta Platforms (META), NVIDIA (NVDA), Advanced Micro Devices (AMD), Tesla (TSLA), Pfizer (PFE) and SPDR S&P 500 ETF Trust (SPY).

Company Calendar

Last Earnings
8/12/2026
Today
10/02/2026
Next Earnings (Estimated)
11/05/2026
Fiscal Year End
12/31/2026

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Industry
Biotechnology
Sub-Industry
Biotechnology
Current Symbol
NASDAQ:ALT
CIK
1326190
Employees
57
Year Founded
1997

Price Target and Rating

High Price Target
$20.00
Low Price Target
$10.00
Potential Upside/Downside
+419.3%
Consensus Rating
Moderate Buy
Rating Score (0-4)
2.70
Research Coverage
10 Analysts

Profitability

EPS (Trailing Twelve Months)
($0.78)
Trailing P/E Ratio
N/A
Forward P/E Ratio
N/A
P/E Growth
N/A
Net Income
-$88.09 million
Net Margins
N/A
Pretax Margin
-296,000.00%
Return on Equity
-31.41%
Return on Assets
-26.96%

Debt

Debt-to-Equity Ratio
0.07
Current Ratio
26.78
Quick Ratio
26.78

Sales & Book Value

Annual Sales
$40 thousand
Price / Sales
13,421.88
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
$1.99 per share
Price / Book
1.39

Miscellaneous

Outstanding Shares
194,520,000
Free Float
191,406,000
Market Cap
$536.88 million
Optionable
Optionable
Beta
0.07

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This page (NASDAQ:ALT) was last updated on 10/2/2026 by MarketBeat.com Staff.
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