Sionna Therapeutics (SION) Stock Chart & Stock Price History $18.53 -1.41 (-7.07%) As of 07/15/2025 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC 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 29.49%, reflecting recent market activity. As of the latest close, Sionna Therapeutics traded at $18.53 with a market cap of $817.54 million and volume of 98,371 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-9.30%1 Month Performance+29.49%3 Month Performance+85.30% SION Stock Chart for Wednesday, July, 16, 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 Capitalization07/15/2025$19.94$18.53-7.07%$20.16$18.4598,371 shs$817.54 million07/14/2025$20.43$19.94-2.40%$20.99$19.54122,631 shs$879.75 million07/11/2025$20.94$20.43-2.44%$20.87$20.1251,638 shs$901.37 million07/10/2025$20.93$20.94+0.05%$21.14$19.9581,041 shs$923.96 million07/09/2025$21.57$20.93-2.97%$21.87$20.78169,229 shs$923.43 million07/08/2025$20.96$21.57+2.91%$21.72$20.86148,734 shs$951.67 million07/07/2025$21.19$20.96-1.09%$21.26$20.28201,764 shs$924.76 million07/04/2025$21.19$21.19$21.69$19.98122,736 shs$934.90 million07/03/2025$20.87$21.19+1.53%$21.69$19.98122,736 shs$934.90 million07/02/2025$18.16$20.87+14.92%$21.94$18.73440,107 shs$920.78 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. 07/01/2025$17.35$18.16+4.67%$18.55$16.14177,449 shs$801.29 million06/30/2025$15.84$17.35+9.53%$17.90$15.10239,908 shs$765.48 million06/27/2025$14.83$15.84+6.81%$15.96$14.672.25 million shs$698.86 million06/26/2025$14.97$14.83-0.94%$15.96$14.35202,969 shs$654.30 million06/25/2025$16.04$14.97-6.67%$16.08$14.44151,486 shs$660.48 million06/24/2025$14.10$16.04+13.76%$16.28$14.15119,445 shs$707.69 million06/23/2025$14.49$14.10-2.69%$14.73$13.81113,930 shs$622.15 million06/20/2025$14.73$14.49-1.63%$15.27$14.34144,760 shs$639.30 million06/19/2025$14.73$14.73$14.75$13.8487,892 shs$649.89 million06/18/2025$13.85$14.73+6.35%$14.75$13.8487,892 shs$649.89 million06/17/2025$14.31$13.85-3.21%$14.65$13.51117,595 shs$631.41 million06/16/2025$16.38$14.31-12.64%$16.02$13.62145,350 shs$631.41 million Related Companies ACAD Stock Price Chart SRRK Stock Price Chart SWTX Stock Price Chart VKTX Stock Price Chart PTGX Stock Price Chart MLTX Stock Price Chart CRNX Stock Price Chart IMVT Stock Price Chart KYMR Stock Price Chart MOR 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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