Septerna (SEPN) Stock Chart & Stock Price History $24.09 +1.02 (+4.42%) Closing price 04:00 PM EasternExtended Trading$24.11 +0.02 (+0.08%) As of 07:37 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Septerna Stock Price Performance The Septerna (SEPN) stock chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the stock increased 5.20%. In the past month, the stock has increased 68.70%, reflecting recent market activity. As of the latest close, Septerna traded at $23.07 with a market cap of $1.03 billion and volume of 536,405 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+7.11%1 Month Performance+68.70%3 Month Performance+105.37%Year-To-Date Performance+5.20% SEPN Stock Chart for Monday, October, 13, 2025 SEPN Chart by TradingView Septerna 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 Capitalization10/13/2025$23.07$24.09+4.42%$24.92$22.64339,917 shs$1.07 billion10/10/2025$23.14$23.07-0.30%$23.29$20.72536,405 shs$1.03 billion10/09/2025$22.49$23.14+2.89%$23.61$22.30409,855 shs$1.03 billion10/08/2025$21.01$22.49+7.04%$23.11$20.41537,380 shs$1.00 billion10/07/2025$20.80$21.01+1.01%$21.57$20.17449,906 shs$936.73 million10/06/2025$20.68$20.80+0.58%$21.81$20.55536,415 shs$927.26 million10/03/2025$20.15$20.68+2.63%$20.93$19.95309,252 shs$921.91 million10/02/2025$19.00$20.15+6.05%$20.38$18.55355,391 shs$898.29 million10/01/2025$18.81$19.00+1.01%$19.80$18.64551,305 shs$847.12 million09/30/2025$18.15$18.81+3.64%$18.99$18.04481,802 shs$838.55 million Get the Latest News and Ratings for SEPN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Septerna and its competitors with MarketBeat's FREE daily newsletter. 09/29/2025$17.45$18.15+4.01%$18.63$17.33276,994 shs$809.13 million09/26/2025$16.75$17.45+4.18%$17.64$16.65148,550 shs$777.92 million09/25/2025$16.91$16.75-0.95%$16.82$16.22161,727 shs$746.80 million09/24/2025$16.06$16.91+5.29%$17.03$16.24308,667 shs$753.85 million09/23/2025$16.00$16.06+0.37%$16.60$15.86162,382 shs$715.96 million09/22/2025$15.70$16.00+1.91%$16.20$15.41205,824 shs$713.36 million09/19/2025$15.94$15.70-1.51%$16.12$15.50653,479 shs$699.98 million09/18/2025$14.39$15.94+10.77%$15.98$14.52259,044 shs$710.61 million09/17/2025$14.44$14.39-0.35%$14.91$14.35186,401 shs$641.51 million09/16/2025$14.47$14.44-0.21%$14.69$14.36118,702 shs$643.81 million09/15/2025$14.28$14.47+1.33%$14.51$14.00165,690 shs$645.07 million09/12/2025$14.42$14.28-0.97%$14.50$14.11161,831 shs$636.60 million Related Companies ACAD Stock Chart NAMS Stock Chart LNTH Stock Chart VKTX Stock Chart TLX Stock Chart ADMA Stock Chart AMRX Stock Chart APLS Stock Chart CNTA Stock Chart XENE Stock Chart Receive SEPN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Septerna and its competitors with MarketBeat's FREE daily newsletter. 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