Tourmaline Bio (TRML) Stock Chart & Stock Price History $23.03 -0.48 (-2.04%) Closing price 04:00 PM EasternExtended Trading$23.45 +0.42 (+1.82%) As of 04:37 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Tourmaline Bio Stock Price Performance The Tourmaline Bio (TRML) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 30.85%, with a year-to-date return of 13.56%. In the past month, the stock has increased 1.86%, reflecting recent market activity. As of the latest close, Tourmaline Bio traded at $23.51 with a market cap of $604.02 million and volume of 153,920 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-1.20%1 Month Performance+1.86%3 Month Performance+47.25%Year-To-Date Performance+13.56%1 Year Performance+30.85% TRML Stock Chart for Thursday, August, 28, 2025 TRML Chart by TradingView Tourmaline Bio 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 Capitalization08/27/2025$23.50$23.51+0.04%$24.56$23.23153,920 shs$604.02 million08/26/2025$22.68$23.50+3.62%$23.58$22.57135,736 shs$603.72 million08/25/2025$23.31$22.68-2.70%$23.52$22.5884,753 shs$582.65 million08/22/2025$23.06$23.31+1.08%$24.00$22.95126,071 shs$598.60 million08/21/2025$22.46$23.06+2.67%$23.07$22.24110,600 shs$592.30 million08/20/2025$22.37$22.46+0.40%$22.75$21.6479,622 shs$576.77 million08/19/2025$22.17$22.37+0.90%$22.42$21.30127,671 shs$574.46 million08/18/2025$22.57$22.17-1.77%$22.85$21.69213,864 shs$569.44 million08/15/2025$22.39$22.57+0.80%$22.90$21.91122,404 shs$579.60 million08/14/2025$22.22$22.39+0.77%$22.67$21.59112,846 shs$575.09 million Get the Latest News and Ratings for TRML and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tourmaline Bio and its competitors with MarketBeat's FREE daily newsletter. 08/13/2025$21.48$22.22+3.45%$23.14$21.40206,462 shs$570.61 million08/12/2025$20.99$21.48+2.33%$21.85$21.13152,706 shs$551.61 million08/11/2025$20.72$20.99+1.30%$21.10$20.00206,394 shs$539.13 million08/08/2025$21.33$20.72-2.86%$21.67$19.75178,434 shs$532.19 million08/07/2025$21.94$21.33-2.78%$22.18$21.08150,904 shs$547.75 million08/06/2025$22.42$21.94-2.14%$22.31$21.64184,378 shs$563.42 million08/05/2025$21.59$22.42+3.84%$22.93$21.51135,578 shs$575.86 million08/04/2025$21.76$21.59-0.78%$22.05$20.47173,250 shs$554.43 million08/01/2025$22.13$21.76-1.67%$22.34$21.16226,846 shs$558.80 million07/31/2025$23.34$22.13-5.18%$23.51$22.09299,912 shs$568.30 million07/30/2025$22.69$23.34+2.86%$23.81$22.61279,557 shs$599.49 million07/29/2025$22.61$22.69+0.35%$23.70$21.49622,554 shs$582.68 million07/28/2025$19.77$22.61+14.37%$22.95$19.99435,496 shs$580.63 million Related Companies Centessa Pharmaceuticals Stock Price Chart Denali Therapeutics Stock Price Chart Agios Pharmaceuticals Stock Price Chart IDEAYA Biosciences Stock Price Chart ImmunityBio Stock Price Chart Harmony Biosciences Stock Price Chart Recursion Pharmaceuticals Stock Price Chart Ocular Therapeutix Stock Price Chart Disc Medicine Stock Price Chart CG Oncology Stock Price Chart Receive TRML Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tourmaline Bio and its competitors with MarketBeat's FREE daily newsletter. 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