NASDAQ:ALT Altimmune (ALT) Stock Price, News & Analysis $2.56 -0.05 (-1.92%) Closing price 04:00 PM EasternExtended Trading$2.58 +0.02 (+0.59%) As of 07:59 PM 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. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest About Altimmune Stock (NASDAQ:ALT) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Altimmune alerts:Sign Up Key Stats Today's Range$2.56▼$2.6350-Day Range$2.56▼$3.4252-Week Range$2.55▼$6.44Volume2.16 million shsAverage Volume4.17 million shsMarket Capitalization$497.97 millionP/E RatioN/ADividend YieldN/APrice Target$14.33Consensus RatingModerate Buy Company Overview Altimmune, Inc. (NASDAQ:ALT) is a clinical-stage biotechnology company developing peptide-based therapeutics for metabolic and liver diseases. The company’s lead product candidate is pemvidutide, an investigational dual GLP-1 and glucagon receptor agonist being studied for chronic weight management and metabolic dysfunction-associated steatohepatitis (MASH), formerly known as nonalcoholic steatohepatitis (NASH). Altimmune’s development programs are focused on addressing obesity, related metabolic conditions and chronic liver disease. Pemvidutide is designed to combine effects on appetite, body weight and metabolic health, and the company evaluates its potential through clinical studies. As an investigational medicine, its safety and effectiveness remain subject to ongoing clinical research and regulatory review. Headquartered in Gaithersburg, Maryland, Altimmune conducts its research and development activities primarily through clinical programs and collaborations supporting the advancement of its therapeutic candidates. The company is led by Vipin K. Garg, Ph.D., who serves as president and chief executive officer.AI Generated. May Contain Errors. Read More Altimmune Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks49th Percentile Overall ScoreALT MarketRank™: Altimmune scored higher than 49% of companies evaluated by MarketBeat, and ranked 562nd out of 881 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.0 / 5Analyst RatingModerate Buy Consensus RatingAltimmune 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 PotentialAltimmune has a consensus price target of $14.33, representing about 459.9% upside from its current price of $2.56.Amount of Analyst CoverageAltimmune 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 and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Altimmune are expected to grow in the coming year, from ($0.58) to ($0.54) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Altimmune is -3.28, 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. SectorThe P/E ratio of Altimmune is -3.28, 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 RatioAltimmune has a P/B Ratio of 1.29. 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. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted24.07% of the float of Altimmune has been sold short.Short Interest Ratio / Days to CoverAltimmune has a short interest ratio ("days to cover") of 10.54, which indicates bearish sentiment.Change versus previous monthShort interest in Altimmune has recently decreased by 10.96%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldAltimmune does not currently pay a dividend.Dividend GrowthAltimmune does not have a long track record of dividend growth. News and Social Media2.1 / 5News Sentiment0.42 News SentimentAltimmune has a news sentiment score of 0.42. 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 0.69 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 2 news articles for Altimmune this week, compared to 5 articles on an average week.Search InterestOnly 13 people have searched for ALT on MarketBeat in the last 30 days. This is a decrease of -32% compared to the previous 30 days.MarketBeat Follows14 people have added Altimmune to their MarketBeat watchlist in the last 30 days. This is an increase of 250% compared to the previous 30 days. Company Ownership0.8 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Altimmune insiders have not sold or bought any company stock.Percentage Held by Insiders1.60% of the stock of Altimmune is held by insiders.Percentage Held by Institutions78.05% 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. Receive ALT Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Altimmune and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. ALT Stock News HeadlinesAltimmune consensus price target increased by 16.59% to MX$328.82October 4, 2026 | msn.comAltimmune no Stifel 2026 Virtual Cardiometabolic Forum: aposta no fígadoSeptember 30, 2026 | br.investing.comYour book is insideThe "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.October 12 at 1:00 AM | Profits Run (Ad)Altimmune en el Foro Virtual Cardiometabólico Stifel 2026: apuesta por el hígadoSeptember 30, 2026 | mx.investing.comAltimmune, Inc. Announces Appointment of Richard Menziuso as Global Controller and Principal Accounting Officer, Effective September 29, 2026September 30, 2026 | marketscreener.comMAltimmune’s Phase 3 MASH Trial Puts Pemvidutide in the Spotlight for InvestorsSeptember 23, 2026 | tipranks.comAltimmune to Participate in Stifel Cardiometabolic ForumSeptember 23, 2026 | globenewswire.comAltimmune’s (ALT) Three Liver Trials Move Forward At OnceSeptember 8, 2026 | finance.yahoo.comSee More Headlines ALT Stock Analysis - Frequently Asked Questions How have ALT shares performed this year? Altimmune's stock was trading at $3.61 at the beginning of 2026. Since then, ALT shares have decreased by 29.1% and is now trading at $2.56. How were Altimmune's earnings last quarter? Altimmune, Inc. (NASDAQ:ALT) released its earnings results on Wednesday, August, 12th. The company reported ($0.12) earnings per share (EPS) for the quarter, beating the consensus estimate of ($0.14) by $0.02. Read the conference call transcript. When did Altimmune's stock split? 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. How do I buy shares of Altimmune? 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. What other stocks do shareholders of Altimmune own? 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 Earnings8/12/2026Today10/12/2026Next Earnings (Estimated)11/05/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Red Zone (5m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 ALT's financial health is in the Red zone, according to TradeSmith. ALT has been in this zone for over 5 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:ALT CIK1326190 Webaltimmune.com Phone(240) 654-1450Fax410-269-2601Employees57Year Founded1997Price Target and Rating Average Price Target for Altimmune$14.33 High Price Target$20.00 Low Price Target$10.00 Potential Upside/Downside+459.9%Consensus RatingModerate Buy Rating Score (0-4)2.70 Research Coverage10 Analysts Profitability EPS (Trailing Twelve Months)($0.78) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$88.09 million Net MarginsN/A Pretax Margin-296,000.00% Return on Equity-31.41% Return on Assets-26.96% Debt Debt-to-Equity Ratio0.07 Current Ratio26.78 Quick Ratio26.78 Sales & Book Value Annual Sales$40 thousand Price / Sales12,449.28 Cash FlowN/A Price / Cash FlowN/A Book Value$1.99 per share Price / Book1.29Miscellaneous Outstanding Shares194,520,000Free Float191,406,000Market Cap$497.97 million OptionableOptionable Beta0.06 Social Links 7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. "Physical AI" is coming. Learn which seven companies are most positioned to benefit as intelligent robots enter the workforce.Get This Free Report This page (NASDAQ:ALT) was last updated on 10/12/2026 by MarketBeat.com Staff. From Our PartnersA new income category is drawing serious money - here's whyForbes recently called a new category of exchange-traded income funds a 'golden era,' and Bloomberg noted the ...Investors Alley | SponsoredPalantir and Wall Street are in on it…Palantir just signed a major AI deal with a company most investors have never heard of. 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