Septerna (SEPN) Stock Chart & Stock Price History $10.93 -0.66 (-5.69%) Closing price 04:00 PM EasternExtended Trading$10.98 +0.04 (+0.41%) As of 06:14 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 FilingsTrendsBuy 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 decreased 52.27%. In the past month, the stock has decreased 12.91%, reflecting recent market activity. As of the latest close, Septerna traded at $11.59 with a market cap of $516.68 million and volume of 249,232 shares. 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Email Address 5 Day Performance-6.42%1 Month Performance-12.91%3 Month Performance+9.63%Year-To-Date Performance-52.27% SEPN Stock Chart for Tuesday, August, 19, 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 Capitalization08/19/2025$11.59$10.93-5.69%$11.69$10.91246,733 shs$487.26 million08/18/2025$11.72$11.59-1.11%$11.87$11.57249,232 shs$516.68 million08/15/2025$11.68$11.72+0.34%$11.98$11.46387,847 shs$522.48 million08/14/2025$11.69$11.68-0.09%$11.71$11.47172,545 shs$520.44 million08/13/2025$11.20$11.69+4.38%$12.10$11.35707,960 shs$520.91 million08/12/2025$11.49$11.20-2.52%$11.35$10.62253,711 shs$499.07 million08/11/2025$11.69$11.49-1.71%$11.93$11.47117,902 shs$511.97 million08/08/2025$11.70$11.69-0.09%$11.78$11.47140,445 shs$520.91 million08/07/2025$11.75$11.70-0.43%$11.96$11.50104,195 shs$521.33 million08/06/2025$11.65$11.75+0.86%$11.76$11.32197,506 shs$523.58 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. 08/05/2025$11.84$11.65-1.60%$11.83$11.50181,482 shs$519.12 million08/04/2025$12.21$11.84-3.03%$12.23$11.69203,811 shs$527.57 million08/01/2025$12.41$12.21-1.61%$12.29$11.80225,038 shs$544.05 million07/31/2025$12.64$12.41-1.82%$12.77$12.36127,474 shs$552.99 million07/30/2025$12.75$12.64-0.86%$13.13$12.33241,693 shs$563.24 million07/29/2025$13.83$12.75-7.81%$13.29$12.25329,863 shs$568.11 million07/28/2025$13.88$13.83-0.36%$14.21$13.66143,103 shs$616.27 million07/25/2025$13.56$13.88+2.36%$13.94$13.30202,547 shs$618.49 million07/24/2025$13.53$13.56+0.22%$14.00$13.44221,485 shs$604.23 million07/23/2025$12.47$13.53+8.50%$13.54$12.56299,401 shs$602.87 million07/22/2025$12.31$12.47+1.30%$12.50$12.03150,272 shs$555.66 million07/21/2025$12.55$12.31-1.91%$13.00$12.29189,387 shs$548.53 million07/18/2025$12.62$12.55-0.55%$13.00$12.47237,032 shs$559.23 million Related Companies CGON Stock Chart ADPT Stock Chart ANIP Stock Chart VCEL Stock Chart SRPT Stock Chart BEAM Stock Chart ARQT Stock Chart TWST Stock Chart SPRY Stock Chart DYN 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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