NASDAQ:ALT Altimmune (ALT) Stock Price, News & Analysis $2.96 -0.03 (-0.84%) As of 09:36 AM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock 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$2.99▼$2.9950-Day Range$2.59▼$3.2652-Week Range$2.56▼$6.44Volume4,615 shsAverage Volume4.29 million shsMarket Capitalization$576.60 millionP/E RatioN/ADividend YieldN/APrice Target$15.71Consensus RatingModerate Buy Company Overview Altimmune, Inc. is a clinical-stage biopharmaceutical company headquartered in Gaithersburg, Maryland, dedicated to the development of vaccines and immunotherapeutics. The company leverages proprietary technology platforms to create intranasal vaccine candidates and novel therapies targeting liver diseases and metabolic disorders. Altimmune’s approach emphasizes the stimulation of both systemic and mucosal immune responses to address unmet medical needs in infectious and chronic conditions. Among its lead programs, NasoVAX is an investigational intranasal influenza vaccine designed to provide broad, long-lasting protection through a single, non-invasive dose. This candidate is being advanced in collaboration with the University of Alabama at Birmingham and is supported by the National Institute of Allergy and Infectious Diseases. In parallel, Altimmune’s HepTcell program aims to treat chronic hepatitis B by eliciting targeted T-cell responses capable of clearing infected liver cells. Altimmune’s AdCOVID™ platform uses a replication-incompetent adenovirus vector to deliver vaccine antigens directly to the nasal mucosa, and it is also under evaluation for additional respiratory pathogens, including coronaviruses. The company maintains a pipeline of preclinical programs in liver and metabolic diseases, reflecting its commitment to harnessing immunotherapy and vaccine design across multiple therapeutic areas. The company’s leadership team combines extensive scientific expertise and operational experience in vaccine research and development. Through a strategic blend of translational science and external partnerships, Altimmune seeks to advance innovative therapies that improve patient outcomes and address global health challenges.AI Generated. May Contain Errors. Read More Altimmune Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks47th Percentile Overall ScoreALT MarketRank™: Altimmune scored higher than 47% of companies evaluated by MarketBeat, and ranked 582nd out of 852 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.4 / 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 $15.71, representing about 425.6% upside from its current price of $2.99.Amount of Analyst CoverageAltimmune has been the subject of 5 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about Altimmune's stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthDecreasing Earnings GrowthEarnings for Altimmune are expected to decrease in the coming year, from ($0.69) to ($0.73) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Altimmune is -3.22, 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 -3.22, 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 1.50. 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 Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted24.89% of the float of Altimmune has been sold short.Short Interest Ratio / Days to CoverAltimmune has a short interest ratio ("days to cover") of 8.07.Change versus previous monthShort interest in Altimmune has recently increased by 13.61%, indicating that investor sentiment is decreasing 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 Media2.3 / 5News Sentiment0.71 News SentimentAltimmune has a news sentiment score of 0.71. 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 0.87 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 5 news articles for Altimmune this week, compared to 9 articles on an average week.Search InterestOnly 4 people have searched for ALT on MarketBeat in the last 30 days. This is a decrease of -78% compared to the previous 30 days.MarketBeat Follows11 people have added Altimmune to their MarketBeat watchlist in the last 30 days. This is an increase of 175% 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: Pemvidutide AUD Data Due Q3 Makes For Intriguing Catalyst - UpgradeJuly 7, 2026 | seekingalpha.comStock Traders Purchase High Volume of Altimmune Call Options (NASDAQ:ALT)July 7, 2026 | americanbankingnews.comUnder $1 while the market panicsThe new deadline for crypto’s best bill, the Clarity Act, is August 7th. That's the Senate's final session day before summer recess. The bill needs 60 votes, seven Democrats crossing the aisle. If it happens, trillions in institutional capital finally gets the legal rulebook it's been waiting years for. And our analysts have identified one specific altcoin they believe was built for exactly this moment. Not for retail hype… for the kind of regulated, institutional finance the CLARITY Act unlocks.July 14 at 1:00 AM | Crypto 101 Media (Ad)Leerink Sees Altimmune (ALT) As An Attractive Play In The MASH Therapeutics MarketJuly 5, 2026 | finance.yahoo.comIs Altimmune, Inc. (ALT) Still a Buy After Price Target Reduction to $20?June 24, 2026 | finance.yahoo.comAltimmune moving headquarters from Gaithersburg to New JerseyJune 17, 2026 | bizjournals.comAltimmune Relocates Corporate Headquarters to Morristown, New JerseyJune 16, 2026 | tipranks.comAltimmune, Inc. (ALT) Presents at Goldman Sachs 47th Annual Global Healthcare Conference 2026 TranscriptJune 10, 2026 | seekingalpha.comSee More Headlines ALT Stock Analysis - Frequently Asked Questions How have ALT shares performed this year? Altimmune's stock was trading at $3.61 on January 1st, 2026. Since then, ALT stock has decreased by 17.2% and is now trading at $2.99. How were Altimmune's earnings last quarter? Altimmune, Inc. (NASDAQ:ALT) posted its earnings results on Wednesday, May, 13th. The company reported ($0.18) EPS for the quarter, topping the consensus estimate of ($0.25) by $0.07. Altimmune had a negative net margin of 214,860.98% and a negative trailing twelve-month return on equity of 42.57%. Read the conference call transcript. When did Altimmune's stock split? Altimmune shares reverse split 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. Who are Altimmune's major shareholders? Altimmune's top institutional investors include Hennion & Walsh Asset Management Inc. (0.27%). 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. 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 Earnings5/13/2026Today7/14/2026Next Earnings (Estimated)8/11/2026Fiscal 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 (2m+) 1-Year History Jul 25 Oct 25 Jan 26 Apr 26 Jul 26 ALT's financial health is in the Red zone, according to TradeSmith. ALT has been in this zone for over 2 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - DRUGS Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:ALT CIK1326190 Webaltimmune.com Phone(240) 654-1450Fax410-269-2601Employees50Year Founded1997Price Target and Rating Average Price Target for Altimmune$15.71 High Price Target$24.00 Low Price Target$10.00 Potential Upside/Downside+425.6%Consensus RatingModerate Buy Rating Score (0-4)2.70 Research Coverage10 Analysts Profitability EPS (Trailing Twelve Months)($0.93) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$88.09 million Net Margins-214,860.98% Pretax Margin-253,002.78% Return on Equity-42.57% Return on Assets-35.57% Debt Debt-to-Equity Ratio0.12 Current Ratio29.56 Quick Ratio29.56 Sales & Book Value Annual Sales$40 thousand Price / Sales14,536.63 Cash FlowN/A Price / Cash FlowN/A Book Value$1.99 per share Price / Book1.50Miscellaneous Outstanding Shares194,470,000Free Float191,362,000Market Cap$581.47 million OptionableOptionable Beta0.25 Social Links Options Trading Made Easy - Download NowLearn the basics of options trading and how to use them to boost returns and manage risk with this free report from MarketBeat. Click the link below to get your free copy.Get This Free Report This page (NASDAQ:ALT) was last updated on 7/14/2026 by MarketBeat.com Staff. From Our PartnersSPCX Warning - and Worst News for Stocks in 50 YearsGoldman Sachs and Morgan Stanley are now predicting what could be the worst news for the U.S. stock market in ...TradeSmith | SponsoredMan who Predicted Trump 2016 Win: “Prepare for Mid-Term Meltdown”In 2016, major election models gave Hillary Clinton a 99% chance of winning - but former CIA and Pentagon advi...Paradigm Press | SponsoredUnder $1 while the market panicsThe new deadline for crypto’s best bill, the Clarity Act, is August 7th. 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