Instil Bio (TIL) Stock Chart & Stock Price History $23.05 -2.73 (-10.59%) Closing price 04:00 PM EasternExtended Trading$23.39 +0.34 (+1.48%) As of 04:28 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Instil Bio Stock Price Performance The Instil Bio (TIL) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 64.16%, with a year-to-date return of 20.74%. In the past month, the stock has decreased 17.21%, reflecting recent market activity. As of the latest close, Instil Bio traded at $25.78 with a market cap of $174.04 million and volume of 165,036 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-3.15%1 Month Performance-17.21%3 Month Performance-30.09%Year-To-Date Performance+20.74%1 Year Performance-64.16% TIL Stock Chart for Tuesday, September, 16, 2025 TIL Chart by TradingView Instil 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 Capitalization09/15/2025$24.10$25.78+6.97%$25.89$23.68165,036 shs$174.04 million09/12/2025$23.80$24.10+1.26%$25.50$23.37207,470 shs$162.70 million09/11/2025$22.98$23.80+3.57%$24.49$23.00158,118 shs$160.65 million09/10/2025$25.48$22.98-9.81%$26.48$22.67318,479 shs$155.12 million09/09/2025$25.77$25.48-1.13%$28.43$25.20319,714 shs$172.02 million09/08/2025$31.50$25.77-18.19%$30.50$25.75214,195 shs$173.95 million09/05/2025$30.32$31.50+3.89%$33.83$30.81185,281 shs$212.63 million09/04/2025$29.00$30.32+4.55%$31.48$28.80116,235 shs$204.66 million09/03/2025$29.22$29.00-0.75%$30.02$28.76122,079 shs$195.78 million09/02/2025$27.00$29.22+8.22%$29.53$26.69107,381 shs$197.24 million Get the Latest News and Ratings for TIL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Instil Bio and its competitors with MarketBeat's FREE daily newsletter. 09/01/2025$27.00$27.00$28.06$26.7546,937 shs$182.25 million08/29/2025$27.63$27.00-2.28%$28.06$26.7546,937 shs$182.25 million08/28/2025$28.00$27.63-1.32%$28.85$27.12149,157 shs$186.53 million08/27/2025$28.41$28.00-1.44%$28.79$27.17109,216 shs$189 million08/26/2025$25.71$28.41+10.50%$28.73$25.7195,907 shs$191.77 million08/25/2025$26.99$25.71-4.74%$26.91$25.5045,730 shs$173.57 million08/22/2025$26.51$26.99+1.81%$27.84$26.3665,119 shs$182.21 million08/21/2025$25.33$26.51+4.66%$26.85$24.8465,924 shs$178.94 million08/20/2025$25.50$25.33-0.67%$25.92$23.82137,650 shs$170.98 million08/19/2025$28.85$25.50-11.61%$28.64$25.09163,232 shs$172.15 million08/18/2025$27.84$28.85+3.63%$29.49$27.1396,306 shs$194.74 million08/15/2025$28.25$27.84-1.45%$30.19$27.79113,118 shs$182.63 million Related Companies SIGA Stock Chart SEPN Stock Chart KROS Stock Chart SNDL Stock Chart TERN Stock Chart PVLA Stock Chart ORGO Stock Chart GHRS Stock Chart BCAX Stock Chart SVRA Stock Chart Receive TIL Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Instil Bio and its competitors with MarketBeat's FREE daily newsletter. 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