Kiniksa Pharmaceuticals (KNSA) Stock Chart & Stock Price History $26.91 +0.96 (+3.70%) As of 03:29 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kiniksa Pharmaceuticals Stock Price Performance The Kiniksa Pharmaceuticals (KNSA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 40.38%, with a year-to-date return of 36.05%. In the past month, the stock has increased 28.88%, reflecting recent market activity. As of the latest close, Kiniksa Pharmaceuticals traded at $25.95 with a market cap of $1.89 billion and volume of 369,749 shares. Five years ago, the stock traded at $21.44, representing a 25.51% increase over that period. At the time, it had a market cap of $1.21 billion and a volume of 126,099 shares. Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.51%1 Month Performance+28.88%3 Month Performance+34.42%Year-To-Date Performance+36.05%1 Year Performance+40.38%5 Year Performance+25.51% KNSA Stock Chart for Friday, May, 23, 2025 KNSA Chart by TradingView Kiniksa Pharmaceuticals 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 Capitalization05/22/2025$26.12$25.95-0.65%$26.26$25.77369,749 shs$1.89 billion05/21/2025$26.70$26.12-2.17%$26.62$26.00374,409 shs$1.91 billion05/20/2025$26.74$26.70-0.15%$27.06$26.33308,838 shs$1.95 billion05/19/2025$26.25$26.74+1.87%$26.78$25.96426,243 shs$1.95 billion05/16/2025$25.87$26.25+1.47%$26.40$25.40541,889 shs$1.92 billion05/15/2025$25.03$25.87+3.36%$25.95$24.85295,469 shs$1.89 billion05/14/2025$25.60$25.03-2.23%$25.85$24.85555,515 shs$1.82 billion05/13/2025$26.84$25.60-4.62%$27.19$25.37414,215 shs$1.86 billion05/12/2025$26.09$26.84+2.87%$26.91$26.00308,978 shs$1.95 billion05/09/2025$26.72$26.09-2.36%$27.14$26.01272,058 shs$1.90 billion Get the Latest News and Ratings for KNSA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kiniksa Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 05/08/2025$26.77$26.72-0.19%$27.00$25.97373,453 shs$1.94 billion05/07/2025$26.95$26.77-0.68%$27.00$26.39441,892 shs$1.94 billion05/06/2025$27.78$26.95-2.97%$27.71$26.56562,047 shs$1.96 billion05/05/2025$27.65$27.78+0.47%$28.56$27.56565,845 shs$2.02 billion05/02/2025$27.74$27.65-0.32%$28.06$27.43662,184 shs$2.01 billion05/01/2025$26.97$27.74+2.86%$28.12$26.631.10 million shs$2.02 billion04/30/2025$25.88$26.97+4.21%$27.53$25.601.48 million shs$1.96 billion04/29/2025$21.47$25.88+20.54%$26.09$22.232.02 million shs$1.88 billion04/28/2025$21.36$21.47+0.51%$21.77$21.25545,053 shs$1.56 billion04/25/2025$20.56$21.36+3.89%$21.38$20.19415,946 shs$1.55 billion04/24/2025$20.88$20.56-1.53%$21.24$20.34330,605 shs$1.49 billion04/23/2025$20.02$20.88+4.30%$21.38$20.27510,612 shs$1.52 billion04/22/2025$20.05$20.02-0.15%$20.44$19.62797,898 shs$1.45 billion Related Companies Roivant Sciences Stock Price Chart Revolution Medicines Stock Price Chart Elanco Animal Health Stock Price Chart Blueprint Medicines Stock Price Chart BridgeBio Pharma Stock Price Chart Verona Pharma Stock Price Chart Telix Pharmaceuticals Limited American Depositary Shares Stock Price Chart TG Therapeutics Stock Price Chart Grifols Stock Price Chart Lantheus Stock Price Chart Receive KNSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Kiniksa Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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