Atara Biotherapeutics (ATRA) Stock Chart & Stock Price History $8.01 -0.24 (-2.91%) Closing price 07/3/2025 03:37 PM EasternExtended Trading$8.32 +0.31 (+3.86%) As of 07/3/2025 04:01 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Atara Biotherapeutics Stock Price Performance The Atara Biotherapeutics (ATRA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 3.89%, with a year-to-date return of -39.82%. In the past month, the stock has decreased 3.84%, reflecting recent market activity. As of the latest close, Atara Biotherapeutics traded at $8.01 with a market cap of $47.74 million and volume of 18,894 shares. Five years ago, the stock traded at a split-adjusted price of $367.00, representing a 97.82% decrease over that period. At the time, it had a market cap of $858.93 million and a volume of 55,489 shares. Receive ATRA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.63%1 Month Performance-3.84%3 Month Performance+43.29%Year-To-Date Performance-39.82%1 Year Performance+3.89%5 Year Performance-97.82% ATRA Stock Chart for Friday, July, 4, 2025 ATRA Chart by TradingView Atara Biotherapeutics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/03/2025$8.25$8.01-2.91%$8.62$8.1118,894 shs$47.74 million07/02/2025$7.80$8.25+5.77%$8.35$7.8831,148 shs$49.17 million07/01/2025$7.72$7.80+1.04%$8.02$7.5420,119 shs$46.49 million06/30/2025$7.96$7.72-3.02%$8.07$7.6018,849 shs$46.01 million06/27/2025$7.95$7.96+0.13%$8.15$7.8022,267 shs$47.44 million06/26/2025$8.02$7.95-0.87%$8.18$7.8127,698 shs$47.39 million06/25/2025$8.06$8.02-0.50%$8.25$7.7615,429 shs$47.80 million06/24/2025$7.88$8.06+2.28%$8.20$7.7329,533 shs$48.04 million06/23/2025$7.94$7.88-0.76%$8.08$7.6816,739 shs$46.97 million06/20/2025$8.02$7.94-1.00%$8.05$7.5186,856 shs$47.32 million Get the Latest News and Ratings for ATRA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 06/19/2025$8.02$8.02$8.28$7.7971,466 shs$47.80 million06/18/2025$7.80$8.02+2.82%$8.28$7.7971,466 shs$47.80 million06/17/2025$8.58$7.80-9.09%$8.38$7.7445,473 shs$46.50 million06/16/2025$8.82$8.58-2.72%$9.00$8.3239,430 shs$51.15 million06/13/2025$8.71$8.82+1.26%$8.85$8.5034,168 shs$52.58 million06/12/2025$8.91$8.71-2.24%$8.88$8.5643,131 shs$51.92 million06/11/2025$9.12$8.91-2.30%$9.21$8.6255,468 shs$53.11 million06/10/2025$9.26$9.12-1.51%$9.40$8.7548,474 shs$54.36 million06/09/2025$9.23$9.26+0.33%$9.68$9.0066,431 shs$55.20 million06/06/2025$8.42$9.23+9.62%$9.23$8.4893,242 shs$50.20 million06/05/2025$8.33$8.42+1.08%$8.64$8.2338,600 shs$50.19 million06/04/2025$8.39$8.33-0.72%$8.55$8.2161,936 shs$49.66 million06/03/2025$8.00$8.39+4.88%$8.42$7.7564,680 shs$50.01 million Related Companies ORIC Stock Price Chart DRUG Stock Price Chart CTMX Stock Price Chart OGI Stock Price Chart PROK Stock Price Chart VYGR Stock Price Chart FDMT Stock Price Chart PBYI Stock Price Chart IPHA Stock Price Chart DMAC Stock Price Chart Receive ATRA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Atara Biotherapeutics and its competitors with MarketBeat's FREE daily newsletter. 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