NASDAQ:ATTO Attovia Therapeutics (ATTO) Stock Price, News & Analysis $13.83 -0.67 (-4.62%) Closing price 10/23/2026 04:00 PM EasternExtended Trading$13.87 +0.04 (+0.29%) As of 10/23/2026 07:30 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 Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartEarningsFDA EventsInsider TradesNews and TrendsSEC Filings About Attovia Therapeutics Stock (NASDAQ:ATTO) 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 Attovia Therapeutics alerts:Sign Up Key Stats Today's Range$13.53▼$14.7550-Day Range$13.73▼$25.5552-Week Range$12.94▼$28.00Volume330,728 shsAverage Volume465,262 shsMarket Capitalization$631.34 millionP/E RatioN/ADividend YieldN/APrice Target$42.20Consensus RatingModerate Buy Company Overview Attovia Therapeutics, Inc. (NASDAQ: ATTO) is a clinical-stage biopharmaceutical company focused on developing antibody-based medicines for immune-mediated and inflammatory diseases. The company is working to address conditions in which existing treatments may not provide adequate efficacy, durability, or convenience. Attovia uses its proprietary antibody-engineering and drug-development capabilities to discover and advance biologic therapies designed to modulate disease-driving immune pathways. Its pipeline consists of investigational programs, with development efforts focused on potential treatments for serious inflammatory and immunologic conditions. The company is headquartered in the United States and is advancing its programs through clinical development. As a biotechnology company with a developing pipeline, Attovia’s products remain investigational and are subject to clinical, regulatory, and commercial evaluation.AI Generated. May Contain Errors. Read More Attovia Therapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks75th Percentile Overall ScoreATTO MarketRank™: 3.737597211045 of 5 starsAttovia Therapeutics scored higher than 75% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.4 / 5Analyst RatingModerate Buy Consensus RatingAttovia Therapeutics has received a consensus rating of Moderate Buy. The company's average rating score is 2.83, and is based on no strong buy ratings, 5 buy ratings, 1 hold rating, and no sell ratings.Upside PotentialAttovia Therapeutics has a consensus price target of $42.20, representing about 205.1% upside from its current price of $13.83.Amount of Analyst CoverageAttovia Therapeutics has been the subject of 6 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about Attovia Therapeutics' stock forecast and price target. Earnings and Valuation0.7 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Attovia Therapeutics are expected to grow in the coming year, from ($4.06) to ($2.38) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Attovia Therapeutics is -2.83, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted3.65% of the float of Attovia Therapeutics has been sold short.Short Interest Ratio / Days to CoverAttovia Therapeutics has a short interest ratio ("days to cover") of 2.98, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Attovia Therapeutics has recently increased by 98.49%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldAttovia Therapeutics does not currently pay a dividend.Dividend GrowthAttovia Therapeutics does not have a long track record of dividend growth. News and Social Media0.6 / 5News SentimentN/A Search Interest2 people have searched for ATTO on MarketBeat in the last 30 days. MarketBeat FollowsOnly 1 people have added Attovia Therapeutics to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days. Company Ownership3.6 / 5Insider TradingAcquiring Shares Cluster Insider Buying5 insiders have purchased shares of Attovia Therapeutics in the last three months. Multiple insiders buying is a strong bullish signal.Net Insider BuyingOver the last three months, insiders have purchased a net $42,766,833.00 in company stock, which represents 6.7740% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, Attovia Therapeutics insiders have bought 949.71% more of their company's stock than they have sold. Specifically, they have bought $47,269,979.00 in company stock and sold $4,503,146.00 in company stock.Percentage Held by Insiders0.99% of the stock of Attovia Therapeutics is held by insiders.Percentage Held by InstitutionsAttovia Therapeutics has minimal institutional ownership at this time.Read more about Attovia Therapeutics' insider trading history. Receive ATTO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Attovia Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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ATTO Stock News HeadlinesAttovia Therapeutics to Present New Data on ATTO-1310 and ATTO-2306 at EADV 2026 and Fall Clinical Dermatology Conference 2026September 28, 2026 | globenewswire.comAttovia Therapeutics Inc (ATTO)September 25, 2026 | investing.comTrump goes "all-in" on Grand Canyon energy breakthroughA drilling crew near the Grand Canyon uncovered a clean energy well producing nearly eight times the output of Saudi Arabia's largest oil field, with potential to last two million years. While the One Big Beautiful Bill Act eliminated federal credits for solar, wind, and EVs, this energy source was reclassified alongside oil and nuclear power and given eight years of tax credits. Google signed a 15-year contract, and Bill Gates committed $100 million. One company controls the entire supply chain behind this discovery.October 25 at 1:00 AM | Behind the Markets (Ad)Attovia Therapeutics (ATTO) Pulls Back As Investors Ask If The Valuation Still FitsSeptember 22, 2026 | finance.yahoo.comAttovia Therapeutics consensus price target increased by 344.21% to $43.04September 17, 2026 | msn.comAttovia Therapeutics, Inc. (ATTO) Presents at Morgan Stanley 24th Annual Global Healthcare Conference TranscriptSeptember 16, 2026 | seekingalpha.comAttovia Therapeutics to Participate in Upcoming Investor ConferencesSeptember 3, 2026 | globenewswire.comAttovia's Q2 Loss Expands With Increased Trials For ATTO-1310; Plans Phase 2 For Q1 '27September 3, 2026 | rttnews.comSee More Headlines ATTO Stock Analysis - Frequently Asked Questions How have ATTO shares performed this year? Attovia Therapeutics' stock was trading at $21.90 on August 5, 2026. Since then, ATTO shares have decreased by 36.8% and is now trading at $13.83. How were Attovia Therapeutics' earnings last quarter? Attovia Therapeutics, Inc. (NASDAQ:ATTO) issued its quarterly earnings results on Wednesday, September, 2nd. The company reported ($4.88) earnings per share for the quarter. The company had revenue of $0.45 million for the quarter. When did Attovia Therapeutics IPO? Attovia Therapeutics (ATTO) raised $289 million in an initial public offering (IPO) on Wednesday, August 5th 2026. The company issued 17,000,000 shares at a price of $17.00 per share. When did the company's quiet period expire? Attovia Therapeutics's quiet period expired on Monday, September 14th. Attovia Therapeutics had issued 17,000,000 shares in its IPO on August 5th. The total size of the offering was $289,000,000 based on an initial share price of $17.00. During the company's quiet period, insiders and underwriters that worked on the IPO were restricted from issuing any earnings forecasts or research reports for the company because of regulations issued by the Securities and Exchange Commission. Now that the company's quiet period has ended, brokerages that served as underwriters are now able to initiate research on the company. How do I buy shares of Attovia Therapeutics? Shares of ATTO 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. Company Calendar Last Earnings9/02/2026Today10/25/2026Fiscal Year End12/31/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorN/A Industry N/A Sub-IndustryN/A Current SymbolNASDAQ:ATTO CIK2058707 Webwww.attovia.com Phone(510) 399-5001FaxN/AEmployees44Year FoundedN/APrice Target and Rating Average Price Target for Attovia Therapeutics$42.20 High Price Target$52.00 Low Price Target$30.00 Potential Upside/Downside+205.1%Consensus RatingModerate Buy Rating Score (0-4)2.83 Research Coverage6 Analysts Profitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current Ratio9.39 Quick Ratio9.39 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares45,650,000Free Float45,199,000Market Cap$631.34 million OptionableN/A BetaN/A The 7 Hottest IPO Stories of 2026MarketBeat just released its list of the 7 hottest IPOs expected to hit Wall Street in 2026. See which companies are preparing to go public and why investors are watching closely.Get This Free Report This page (NASDAQ:ATTO) was last updated on 10/23/2026 by MarketBeat.com Staff. From Our PartnersWhy tech stocks are deadAI skeptics see dot-com era warning signs, and they have a point. But the real opportunity may not be in the b...Porter & Company | Sponsored$0. Later: $29.97.Bill Poulos is giving away his Simple Options Trading For Beginners book through a temporary link. 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