NASDAQ:ATRA Atara Biotherapeutics (ATRA) Stock Price, News & Analysis $8.02 -0.49 (-5.76%) As of 01:09 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy 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$8.02▼$8.5150-Day Range$7.71▼$11.6552-Week Range$3.92▼$19.15Volume36,286 shsAverage Volume760,813 shsMarket Capitalization$72.26 millionP/E RatioN/ADividend YieldN/APrice Target$9.50Consensus RatingHold 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™ Stocks33rd Percentile Overall ScoreATRA MarketRank™: Atara Biotherapeutics scored higher than 33% of companies evaluated by MarketBeat, and ranked 760th out of 913 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion2.3 / 5Analyst RatingHold Consensus RatingAtara Biotherapeutics has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, 1 hold rating, and 1 sell rating.Upside PotentialAtara Biotherapeutics has a consensus price target of $9.50, representing about 11.6% upside from its current price of $8.51.Amount of Analyst CoverageAtara Biotherapeutics has only been the subject of 2 research reports in the past 90 days.Read more about Atara Biotherapeutics' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Atara Biotherapeutics are expected to grow in the coming year, from ($0.16) to $1.40 per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Atara Biotherapeutics is -7.21, 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 Atara Biotherapeutics is -7.21, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Read more about Atara Biotherapeutics' valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted10.13% 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 9.39.Change versus previous monthShort interest in Atara Biotherapeutics has recently decreased by 7.05%, indicating that investor sentiment is improving significantly. 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 Media1.0 / 5News Sentiment-0.33 News SentimentAtara Biotherapeutics has a news sentiment score of -0.33. 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 0.65 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 7 news articles for Atara Biotherapeutics this week, compared to 6 articles on an average week. Company Ownership2.1 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, Atara Biotherapeutics insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $69,890.00 in 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. 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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 HeadlinesAtara Biotherapeutics Announces Second Quarter 2026 Financial Results and Operational ProgressAugust 12 at 6:30 PM | finance.yahoo.comAtara Biotherapeutics (ATRA) Expected to Release Earnings on MondayAugust 9, 2026 | americanbankingnews.comBarricks gold output fell from 2 million ounces to 719000Barrick's gold production has plunged from 2 million ounces to just 719,000, leaving the world's second-largest miner running on fumes. Newmont's $15 billion purchase of Newcrest, the largest mining deal in history, still couldn't keep output growing, proof that majors must keep buying to survive. With record cash flows and shrinking mines, gold majors are positioned to launch a wave of acquisitions targeting the best junior assets.August 14 at 1:00 AM | Golden Portfolio (Ad)Atara Biotherapeutics (NASDAQ:ATRA) Cut to Sell at Wall Street ZenAugust 8, 2026 | americanbankingnews.comAtara Biotherapeutics Announces $15 Million Registered Direct OfferingJuly 7, 2026 | businesswire.comQuetzal Therapeutics Announces First Patient Dosed in Phase 3 QUATRO-APL Trial of QTX-2101 for Frontline Acute Promyelocytic LeukemiaJune 11, 2026 | globenewswire.comAtara Biotherapeutics Inc (ATRA)May 31, 2026 | investing.comThe Gross Law Firm Reminds Shareholders of a Lead Plaintiff Deadline of May 22, 2026 in Atara Biotherapeutics, Inc. Lawsuit - ATRAMay 26, 2026 | prnewswire.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 beginning of the year. Since then, ATRA shares have decreased by 53.0% and is now trading at $8.51. How were Atara Biotherapeutics' earnings last quarter? Atara Biotherapeutics, Inc. (NASDAQ:ATRA) announced its earnings results on Tuesday, August, 11th. The biotechnology company reported ($0.32) EPS for the quarter, missing the consensus estimate of ($0.32) by $0.01. The biotechnology company earned $0.63 million during the quarter, compared to analyst estimates of $0.55 million. Atara Biotherapeutics had a negative trailing twelve-month return on equity of 79.12% and a negative net margin of 269.42%. When did Atara Biotherapeutics' stock split? Shares of Atara Biotherapeutics reverse split on the morning of 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 market closes 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 $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 Earnings8/11/2026Today8/14/2026Next Earnings (Estimated)10/29/2026Fiscal 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 (1d) 1-Year History Aug 25 Nov 25 Feb 26 May 26 Aug 26 ATRA's financial health is in the Yellow zone, according to TradeSmith. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:ATRA CIK1604464 Webwww.atarabio.com Phone(805) 623-4211FaxN/AEmployees330Year Founded2012Price Target and Rating Average Price Target for Atara Biotherapeutics$9.50 High Price Target$13.00 Low Price Target$6.00 Potential Upside/Downside+16.1%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage3 Analysts Profitability EPS (Trailing Twelve Months)($0.67) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$32.69 million Net Margins-269.42% Pretax Margin-40.78% Return on Equity-79.12% Return on Assets-71.11% Debt Debt-to-Equity RatioN/A Current Ratio2.16 Quick Ratio2.16 Sales & Book Value Annual Sales$120.77 million Price / Sales0.61 Cash Flow$4.31 per share Price / Cash Flow1.90 Book Value($5.34) per share Price / Book-1.53Miscellaneous Outstanding Shares9,010,000Free Float5,298,000Market Cap$73.70 million OptionableNo Data Beta0.12 Social Links The Infrastructure's Backbone: 10 Stocks Powering the AI BuildoutThe AI boom extends far beyond the biggest tech names. Discover 10 companies supplying the memory, storage, networking, semiconductor manufacturing, and power infrastructure that make AI possible. Learn where the next wave of AI investment opportunities may emerge—and the key risks investors should watch as the global AI buildout accelerates.Get This Free Report This page (NASDAQ:ATRA) was last updated on 8/14/2026 by MarketBeat.com Staff. From Our PartnersThe cat is out the bagAlmost 80,000 tech jobs vanished in the first three months of 2026. Meta cut 14,000 roles, Microsoft offered s...Porter & Company | SponsoredThey didn't warn anyone in 1971. 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