NASDAQ:ATRA Atara Biotherapeutics (ATRA) Stock Price, News & Analysis $11.55 +0.03 (+0.26%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$11.50 -0.04 (-0.39%) As of 08/1/2025 04:10 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 Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock About Atara Biotherapeutics Stock (NASDAQ:ATRA) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Atara Biotherapeutics alerts:Sign Up Key Stats Today's Range$10.92▼$11.7350-Day Range$7.14▼$13.0252-Week Range$5.01▼$18.70Volume39,781 shsAverage Volume66,252 shsMarket Capitalization$68.84 millionP/E RatioN/ADividend YieldN/APrice Target$20.00Consensus RatingModerate Buy Company Overview Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with solid tumors, hematologic cancers, and autoimmune diseases in the United States and the United Kingdom. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as nasopharyngeal carcinoma. Its CAR T immunotherapy pipeline products include ATA3219, currently in Phase 1 trials, as well as ATA3431, under preclinical trials for the treatment of B-cell malignancies and autoimmune diseases; and ATA188 that is in Phase 2 clinical trials to treat multiple sclerosis. The company has research collaboration agreements with Memorial Sloan Kettering Cancer Center, and Council of the Queensland Institute of Medical Research. Atara Biotherapeutics, Inc. was incorporated in 2012 and is headquartered in Thousand Oaks, California. Read More Atara Biotherapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks76th Percentile Overall ScoreATRA MarketRank™: Atara Biotherapeutics scored higher than 76% of companies evaluated by MarketBeat, and ranked 214th out of 919 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.4 / 5Analyst RatingModerate Buy Consensus RatingAtara Biotherapeutics has received a consensus rating of Moderate Buy. The company's average rating score is 2.83, and is based on 3 buy ratings, 2 hold ratings, and no sell ratings.Amount of Analyst CoverageAtara Biotherapeutics has received no research coverage 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 ($10.39) to ($10.04) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Atara Biotherapeutics is -3.10, 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 -3.10, 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 Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted7.02% 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 4.4.Change versus previous monthShort interest in Atara Biotherapeutics has recently increased by 0.49%, indicating that investor sentiment is decreasing. 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. Sustainability and ESG4.7 / 5Environmental Score-0.87 Percentage of Shares Shorted7.02% 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 4.4.Change versus previous monthShort interest in Atara Biotherapeutics has recently increased by 0.49%, indicating that investor sentiment is decreasing. News and Social Media0.6 / 5News SentimentN/A Search Interest2 people have searched for ATRA on MarketBeat in the last 30 days. This is an increase of 100% compared to the previous 30 days. Company Ownership3.3 / 5Insider TradingAcquiring Shares Insider Buying vs. Insider SellingIn the past three months, Atara Biotherapeutics insiders have bought 401.87% more of their company's stock than they have sold. Specifically, they have bought $186,389.00 in company stock and sold $37,139.00 in company stock.Percentage Held by InsidersOnly 4.00% of the stock of Atara Biotherapeutics is held by insiders.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. Email Address ATRA Stock News HeadlinesInnovation Ltd Panacea Purchases 19,335 Shares of Atara Biotherapeutics, Inc. (NASDAQ:ATRA) StockJuly 22, 2025 | insidertrades.comAtara Biotherapeutics stock jumps after FDA accepts BLA for tab-celJuly 24, 2025 | investing.comThis Crypto Is Set to Explode in JanuaryThis Could Be the Most Important Crypto Law in History While the world celebrates Bitcoin becoming 2025’s top-performing asset, smart hedge funds are accumulating elsewhere. During the upcoming Crypto Hedge Fund Summit, you'll discover exactly which coins they’ve loaded up on before this historic vote. | Crypto 101 Media (Ad)Atara Biotherapeutics shares soar after FDA accepts BLA for tab-celJuly 24, 2025 | msn.comPierre Fabre Pharmaceuticals Inc. Announces FDA Acceptance and Priority Review of the Biologics License Application (BLA) for Tabelecleucel for the Treatment of Epstein-Barr Virus Positive Post-Transplant Lymphoproliferative Disease (EBV+ PTLD)July 24, 2025 | prnewswire.comInnovation Ltd Panacea Buys 19,335 Shares of Atara Biotherapeutics, Inc. (NASDAQ:ATRA) StockJuly 23, 2025 | americanbankingnews.comPerre Fabre Pharmaceuticals, Inc. Announces Transfer of Investigational New Drug Application for Tabelecleucel from Atara Biotherapeutics, Inc.July 15, 2025 | prnewswire.comAtara Biotherapeutics Provides Regulatory and Business Updates on Tabelecleucel (Tab-cel®)July 14, 2025 | businesswire.comSee More Headlines ATRA Stock Analysis - Frequently Asked Questions How have ATRA shares performed this year? Atara Biotherapeutics' stock was trading at $13.31 at the beginning of 2025. Since then, ATRA stock has decreased by 13.2% and is now trading at $11.55. How were Atara Biotherapeutics' earnings last quarter? Atara Biotherapeutics, Inc. (NASDAQ:ATRA) issued its quarterly earnings results on Thursday, May, 15th. The biotechnology company reported $3.50 EPS for the quarter, topping the consensus estimate of ($3.07) by $6.57. The biotechnology company had revenue of $98.10 million for the quarter, compared to analysts' expectations of $4.30 million. 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. 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 Earnings5/15/2025Today8/02/2025Next Earnings (Estimated)8/11/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, 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 FoundedN/APrice Target and Rating Average Price Target for Atara Biotherapeutics$20.00 High Price Target$25.00 Low Price Target$17.00 Potential Upside/Downside+73.2%Consensus RatingModerate Buy Rating Score (0-4)2.83 Research Coverage6 Analysts Profitability EPS (Trailing Twelve Months)($3.72) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$85.40 million Net Margins-7.83% Pretax Margin-7.85% Return on EquityN/A Return on Assets-14.51% Debt Debt-to-Equity RatioN/A Current Ratio0.57 Quick Ratio0.57 Sales & Book Value Annual Sales$128.94 million Price / Sales0.53 Cash FlowN/A Price / Cash FlowN/A Book Value($16.89) per share Price / Book-0.68Miscellaneous Outstanding Shares5,960,000Free Float5,723,000Market Cap$68.84 million OptionableOptionable Beta0.25 Social Links Beginner's Guide To Retirement StocksEnter your email address and we'll send you MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. 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