Sionna Therapeutics (SION) Stock Chart & Stock Price History $13.50 -0.51 (-3.64%) As of 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsTrendsBuy This Stock Sionna Therapeutics Stock Price Performance The Sionna Therapeutics (SION) stock chart highlights key performance trends across multiple timeframes. In the past month, the stock has increased 19.47%, reflecting recent market activity. As of the latest close, Sionna Therapeutics traded at $14.01 with a market cap of $618.18 million and volume of 148,241 shares. Receive SION Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Sionna Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.52%1 Month Performance+19.47%3 Month Performance-31.68% SION Stock Chart for Wednesday, May, 21, 2025 SION Chart by TradingView Sionna Therapeutics 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 Capitalization05/21/2025$14.01$13.50-3.64%$14.14$13.07111,041 shs$595.67 million05/20/2025$14.51$14.01-3.45%$14.55$13.40148,241 shs$618.18 million05/19/2025$13.43$14.51+8.04%$14.60$13.0475,111 shs$640.24 million05/16/2025$13.44$13.43-0.07%$14.50$13.35190,842 shs$592.59 million05/15/2025$12.00$13.44+12.00%$13.93$11.77113,229 shs$593.03 million05/14/2025$12.82$12.00-6.40%$12.92$11.84406,181 shs$529.49 million05/13/2025$12.90$12.82-0.62%$13.36$12.43178,808 shs$565.67 million05/12/2025$12.32$12.90+4.71%$13.35$12.43143,757 shs$569.20 million05/09/2025$12.57$12.32-1.99%$13.07$12.07122,102 shs$543.61 million05/08/2025$13.00$12.57-3.31%$13.26$12.2270,824 shs$568.32 million Get the Latest News and Ratings for SION and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sionna Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$12.76$13.00+1.88%$13.53$12.52186,200 shs$573.61 million05/06/2025$12.79$12.76-0.23%$12.93$12.35151,952 shs$563.02 million05/05/2025$13.58$12.79-5.82%$13.47$12.5393,570 shs$564.35 million05/02/2025$12.90$13.58+5.27%$14.52$13.27221,559 shs$599.20 million05/01/2025$12.03$12.90+7.23%$12.90$11.67245,615 shs$569.20 million04/30/2025$12.04$12.03-0.08%$12.96$10.9784,999 shs$530.81 million04/29/2025$12.04$12.04$12.18$11.26145,488 shs$531.25 million04/28/2025$12.14$12.04-0.82%$12.42$11.8588,535 shs$531.25 million04/25/2025$12.60$12.14-3.65%$12.53$11.6072,080 shs$535.67 million04/24/2025$13.09$12.60-3.74%$13.30$12.2781,843 shs$555.96 million04/23/2025$11.93$13.09+9.72%$13.42$12.29104,320 shs$577.58 million04/22/2025$11.30$11.93+5.58%$12.17$11.2798,930 shs$526.40 million04/21/2025$11.07$11.30+2.08%$11.98$10.0797,910 shs$498.60 million Related Companies AAPG Stock Price Chart NAMS Stock Price Chart DNLI Stock Price Chart VCEL Stock Price Chart BHVN Stock Price Chart TARS Stock Price Chart BLTE Stock Price Chart KNSA Stock Price Chart TWST Stock Price Chart HRMY Stock Price Chart Receive SION Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Sionna Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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