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NASDAQ:ALT

Altimmune (ALT) Stock Price, News & Analysis

Altimmune logo
$3.27 0.00 (0.00%)
Closing price 09/11/2026 04:00 PM Eastern
Extended Trading
$3.29 +0.02 (+0.73%)
As of 08:11 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
$3.26
$3.41
50-Day Range
$2.77
$3.42
52-Week Range
$2.56
$6.44
Volume
2.68 million shs
Average Volume
3.78 million shs
Market Capitalization
$636.08 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
51st Percentile Overall Score

ALT MarketRank™: 

Altimmune scored higher than 51% of companies evaluated by MarketBeat, and ranked 530th out of 904 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 2.67, and is based on no strong buy ratings, 7 buy ratings, 1 hold rating, and 1 sell rating.

  • Upside Potential

    Altimmune has a consensus price target of $14.33, representing about 338.3% upside from its current price of $3.27.

  • 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 -4.19, 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 -4.19, 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 1.64. 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

    25.97% 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 11.84, which indicates bearish sentiment.
  • Change versus previous month

    Short interest in Altimmune has recently decreased by 2.47%, indicating that investor sentiment is improving.
  • 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 1.17. 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 higher news sentiment than the 0.89 average news sentiment score of Healthcare companies.
  • News Coverage This Week

    MarketBeat has tracked 3 news articles for Altimmune this week, compared to 7 articles on an average week.
  • Search Interest

    Only 14 people have searched for ALT on MarketBeat in the last 30 days. This is a decrease of -26% compared to the previous 30 days.
  • MarketBeat Follows

    8 people have added Altimmune to their MarketBeat watchlist in the last 30 days. This is an increase of 60% 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

Altimmune’s (ALT) Three Liver Trials Move Forward At Once
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On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no debate, no vote, one executive order. Gold tripled within three years and climbed 20x over the following decade. Trump holds that same executive authority today, and his advisors are openly saying a reversal is on the table. There are two ways this plays out - both move gold in the same direction. A free briefing breaks down exactly what Nixon did, why Trump is positioned to act, and how to move your 401k into gold before any announcement - tax free.tc pixel
Altimmune: Pemvidutide Performs, But A Long Wait Ahead
Altimmune, Inc. Q2 2026 Earnings Call Summary
See More Headlines

ALT Stock Analysis - Frequently Asked Questions

Altimmune's stock was trading at $3.61 at the start of the year. Since then, ALT shares have decreased by 9.4% and is now trading at $3.27.

Altimmune, Inc. (NASDAQ:ALT) posted its quarterly earnings data on Tuesday, August, 11th. The company reported ($0.12) EPS for the quarter, beating analysts' consensus estimates of ($0.14) by $0.02. Altimmune had a negative trailing twelve-month return on equity of 31.41% and a negative net margin of 214,860.98%.
Read the conference call transcript
.

Altimmune shares reverse split on the morning of 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 market closes 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.

Top institutional investors of Altimmune include Bank of New York Mellon Corp (0.35%), Hennion & Walsh Asset Management Inc. (0.27%), Wellington Management Group LLP (0.22%) and Squarepoint Ops LLC (0.10%). Insiders that own company stock include David Drutz, Jerome Benedict Durso, Gregory L Weaver, Wayne Pisano, John Gill and Diane Jorkasky.
View institutional ownership trends
.

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
8/11/2026
Today
9/14/2026
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
+338.3%
Consensus Rating
Moderate Buy
Rating Score (0-4)
2.67
Research Coverage
9 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
-214,860.98%
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
15,902.01
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
$1.99 per share
Price / Book
1.64

Miscellaneous

Outstanding Shares
194,520,000
Free Float
191,406,000
Market Cap
$636.08 million
Optionable
Optionable
Beta
0.18

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This page (NASDAQ:ALT) was last updated on 9/14/2026 by MarketBeat.com Staff.
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