Trending NewsTrending NewsNASDAQ:ATRA Atara Biotherapeutics (ATRA) Stock Price, News & Analysis $5.15 +0.39 (+8.19%) As of 04:00 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Atara Biotherapeutics Stock (NASDAQ:ATRA) 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 Atara Biotherapeutics alerts:Sign Up Key Stats Today's Range$4.72▼$5.2650-Day Range$4.21▼$6.9052-Week Range$3.92▼$19.15Volume185,146 shsAverage Volume67,648 shsMarket Capitalization$43.83 millionP/E Ratio1.65Dividend YieldN/APrice Target$6.00Consensus RatingReduce Company Overview Atara Biotherapeutics, Inc. is a biotechnology company focused on the discovery, development and commercialization of novel T-cell immunotherapies to transform the treatment of cancer and autoimmune disease. Headquartered in South San Francisco, California, Atara leverages its proprietary off-the-shelf allogeneic Epstein-Barr virus (EBV)-directed T-cell platform to generate engineered cell therapies designed to target EBV-driven malignancies and immune-mediated disorders. The company’s lead product candidate, tabelecleucel, is an off-the-shelf, EBV-specific T-cell therapy in clinical development for the treatment of EBV-positive post-transplant lymphoproliferative disease (PTLD) and other EBV-associated cancers. In addition, Atara is advancing multiple earlier-stage programs, including ATA188 for progressive multiple sclerosis and ATA227 for autoimmune indications, each harnessing the company’s expertise in antigen-specific T-cell biology. Atara’s pipeline is supported by manufacturing and process development capabilities aimed at delivering scalable, cryopreserved cell therapies for global distribution. Founded in 2012, Atara Biotherapeutics has built a diversified clinical portfolio and established collaborations to advance its therapies across North America, Europe and Asia. The company’s leadership team combines expertise in cell therapy development, regulatory affairs and commercial strategy, guided by President and Chief Executive Officer Pascal Touchon. Through ongoing clinical studies and strategic partnerships, Atara aims to address unmet medical needs in oncology and autoimmune disease with its off-the-shelf T-cell products.AI Generated. May Contain Errors. Read More Atara Biotherapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks31st Percentile Overall ScoreATRA MarketRank™: Atara Biotherapeutics scored higher than 31% of companies evaluated by MarketBeat, and ranked 702nd out of 857 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion2.3 / 5Analyst RatingReduce Consensus RatingAtara Biotherapeutics has received a consensus rating of Reduce. The company's average rating score is 1.50, and is based on no strong buy ratings, no buy ratings, 1 hold rating, and 1 sell rating.Upside PotentialAtara Biotherapeutics has a consensus price target of $6.00, representing about 16.5% upside from its current price of $5.15.Amount of Analyst CoverageAtara Biotherapeutics has only been the subject of 1 research reports in the past 90 days.Read more about Atara Biotherapeutics' stock forecast and price target. Earnings and Valuation1.3 / 5Proj. Earnings GrowthN/A Earnings GrowthEarnings for Atara Biotherapeutics are expected to remain at $0.20 per share in the coming year.Price to Earnings Ratio vs. the MarketThe P/E ratio of Atara Biotherapeutics is 1.65, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 44.23.Price to Earnings Ratio vs. SectorThe P/E ratio of Atara Biotherapeutics is 1.65, which means that it is trading at a less expensive P/E ratio than the Medical sector average P/E ratio of about 29.35.Read more about Atara Biotherapeutics' valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted4.05% of the float of Atara Biotherapeutics has been sold short.Short Interest Ratio / Days to CoverAtara Biotherapeutics has a short interest ratio ("days to cover") of 4.1.Change versus previous monthShort interest in Atara Biotherapeutics has recently decreased by 2.79%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldAtara Biotherapeutics does not currently pay a dividend.Dividend GrowthAtara Biotherapeutics does not have a long track record of dividend growth. News and Social Media0.6 / 5News Sentiment0.00 News Coverage This WeekMarketBeat has tracked 19 news articles for Atara Biotherapeutics this week, compared to 4 articles on an average week.MarketBeat Follows3 people have added Atara Biotherapeutics to their MarketBeat watchlist in the last 30 days. Company Ownership1.4 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Atara Biotherapeutics insiders have not sold or bought any company stock.Percentage Held by Insiders41.20% of the stock of Atara Biotherapeutics is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by Institutions70.90% of the stock of Atara Biotherapeutics is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about Atara Biotherapeutics' insider trading history. Receive ATRA Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Atara Biotherapeutics 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. ATRA Stock News HeadlinesDEADLINE ALERT for LU, ATRA, and COTY: The Law Offices of Frank R. Cruz Reminds Investors of Class Actions on Behalf of ShareholdersMay 6 at 12:08 PM | globenewswire.comATRA DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026May 6 at 9:40 AM | prnewswire.comYour $29.97 book is free todayWhy Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options can give you up to 12 times the leverage of stocks — with a fraction of the capital tied up. This free guide lays it all out in plain English — from A to Z, with step-by-step examples you can follow in your own account.May 6 at 1:00 AM | Profits Run (Ad)Bragar Eagel & Squire, P.C. Reminds Atara Biotherapeutics, Inc. Investors They Have Until May 22nd to Seek Lead Plaintiff Role in Class Action LawsuitMay 5 at 6:23 PM | globenewswire.comROSEN, A LONGSTANDING LAW FIRM, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - ATRAMay 5 at 5:38 PM | globenewswire.comPomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain Officers – ATRAMay 5 at 4:46 PM | globenewswire.comAtara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud LawsuitMay 5 at 3:33 PM | prnewswire.comATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law FirmMay 5 at 9:37 AM | globenewswire.comSee More Headlines ATRA Stock Analysis - Frequently Asked Questions How have ATRA shares performed this year? Atara Biotherapeutics' stock was trading at $18.09 at the start of the year. Since then, ATRA stock has decreased by 71.5% and is now trading at $5.15. How were Atara Biotherapeutics' earnings last quarter? Atara Biotherapeutics, Inc. (NASDAQ:ATRA) released its quarterly earnings results on Monday, March, 16th. The biotechnology company reported ($0.25) EPS for the quarter, beating analysts' consensus estimates of ($0.68) by $0.43. The biotechnology company earned $1.60 million during the quarter, compared to the consensus estimate of $0.70 million. Atara Biotherapeutics had a net margin of 27.07% and a negative trailing twelve-month return on equity of 79.12%. When did Atara Biotherapeutics' stock split? Atara Biotherapeutics's stock reverse split before market open on Thursday, June 20th 2024.The 1-25 reverse split was announced on Thursday, June 20th 2024. The number of shares owned by shareholders was adjusted after the closing bell on Thursday, June 20th 2024. An investor that had 100 shares of stock prior to the reverse split would have 4 shares after the split. When did Atara Biotherapeutics IPO? Atara Biotherapeutics (ATRA) raised $75 million in an initial public offering (IPO) on Thursday, October 16th 2014. The company issued 5,000,000 shares at a price of $14.00-$16.00 per share. How do I buy shares of Atara Biotherapeutics? Shares of ATRA 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 Atara Biotherapeutics own? Based on aggregate information from My MarketBeat watchlists, some other companies that Atara Biotherapeutics investors own include Agenus (AGEN), CRISPR Therapeutics (CRSP), Pfizer (PFE), Athersys (ATHX), Advanced Micro Devices (AMD), Bristol Myers Squibb (BMY) and FuelCell Energy (FCEL). Company Calendar Last Earnings3/16/2026Today5/06/2026Next Earnings (Estimated)5/06/2026AGM 20266/09/2026Fiscal 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. Yellow Zone (3m+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 ATRA's financial health is in the Yellow zone, according to TradeSmith. ATRA has been in this zone for over 3 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:ATRA CIK1604464 Webwww.atarabio.com Phone(805) 623-4211FaxN/AEmployees330Year Founded2012Price Target and Rating Average Price Target for Atara Biotherapeutics$6.00 High Price Target$6.00 Low Price Target$6.00 Potential Upside/Downside+16.5%Consensus RatingReduce Rating Score (0-4)1.50 Research Coverage2 Analysts Profitability EPS (Trailing Twelve Months)$3.12 Trailing P/E Ratio1.65 Forward P/E Ratio25.75 P/E GrowthN/ANet Income$32.69 million Net Margins27.07% Pretax Margin27.09% Return on Equity-79.12% Return on Assets87.55% Debt Debt-to-Equity RatioN/A Current Ratio0.82 Quick Ratio0.82 Sales & Book Value Annual Sales$120.77 million Price / Sales0.36 Cash Flow$5.26 per share Price / Cash Flow0.98 Book Value($5.34) per share Price / Book-0.96Miscellaneous Outstanding Shares8,510,000Free Float5,005,000Market Cap$43.83 million OptionableNo Data Beta-0.30 Social Links Elon Musk's Next MoveExplore Elon Musk’s boldest ventures yet—from AI and autonomy to space colonization—and find out how investors can ride the next wave of innovation.Get This Free Report This page (NASDAQ:ATRA) was last updated on 5/6/2026 by MarketBeat.com Staff. From Our PartnersYour book attachedYour Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...Profits Run | SponsoredSpaceX eyes a 1.75 trillion valuation - here's what to knowElon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...Brownstone Research | SponsoredIran's New Leader Just Said Something That Should Terrify Every AmericanIran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...American Alternative | SponsoredThe Iran War Just Broke the Gold MarketThe Iran war isn't just a geopolitical event. It's a financial one. Within hours of the strikes, oil surged...Behind the Markets | SponsoredBlackRock, JPMorgan, and Goldman are all stock piling the same asset… are you?BlackRock, JPMorgan, Goldman Sachs, Fidelity, ARK Invest and Andreessen Horowitz are all buying the same asset...Awesomely, LLC | SponsoredOne executive order. The biggest wealth transfer of your lifetime.On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredGold surged 600 dollars last time this indicator peakedThe Buffett Indicator has predicted every major gold bull run this century - 2000, 2008, and 2020, when gold s...Porter & Company | SponsoredMy feud with Zohran MamdaniEmmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Atara Biotherapeutics, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Atara Biotherapeutics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In Email Me a Login Link or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.