Ionis Pharmaceuticals (IONS) Stock Chart & Stock Price History $28.68 +0.78 (+2.80%) As of 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Ionis Pharmaceuticals Stock Price Performance 5 Day Performance+3.28%1 Month Performance-12.99%3 Month Performance-12.27%6 Month Performance-25.76%Year-To-Date Performance-17.96%1 Year Performance-31.29% Receive IONS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ionis Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address IONS Stock Chart for Monday, April, 14, 2025 IONS Chart by TradingViewRemove Ads Ionis Pharmaceuticals Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/11/2025$26.71$27.90+4.46%$27.97$26.302.01 million shs$4.44 billion04/10/2025$27.77$26.71-3.82%$27.26$25.742.15 million shs$4.25 billion04/09/2025$25.51$27.77+8.86%$27.90$23.953.44 million shs$4.41 billion04/09/2025$25.51$27.77+8.86%$27.90$23.953.44 million shs$4.41 billion04/08/2025$27.57$25.51-7.47%$28.14$24.812.48 million shs$4.06 billion04/08/2025$27.57$25.51-7.47%$28.14$24.812.48 million shs$4.06 billion04/07/2025$27.09$27.57+1.77%$27.61$25.522.74 million shs$4.38 billion04/04/2025$28.52$27.09-5.01%$28.50$26.882.29 million shs$4.31 billion04/03/2025$28.71$28.52-0.66%$28.91$27.751.92 million shs$4.53 billion04/02/2025$27.26$28.71+5.32%$28.82$27.001.95 million shs$4.56 billion Get the Latest News and Ratings for IONS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ionis Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 04/01/2025$30.17$27.26-9.65%$30.17$27.203.02 million shs$4.33 billion03/31/2025$31.15$30.17-3.15%$30.48$29.612.04 million shs$4.80 billion03/28/2025$31.72$31.15-1.80%$31.58$30.80799,700 shs$4.95 billion03/27/2025$31.49$31.72+0.73%$31.79$31.121.15 million shs$5.04 billion03/26/2025$32.27$31.49-2.42%$32.33$31.041.43 million shs$5.01 billion03/25/2025$33.45$32.27-3.53%$33.76$31.811.98 million shs$5.13 billion03/24/2025$32.91$33.45+1.64%$33.49$32.571.44 million shs$5.32 billion03/21/2025$32.73$32.91+0.55%$33.62$32.302.00 million shs$5.23 billion03/20/2025$33.34$32.73-1.83%$33.75$32.701.20 million shs$5.20 billion03/19/2025$32.95$33.34+1.18%$33.48$32.881.12 million shs$5.30 billion03/18/2025$34.30$32.95-3.94%$34.13$32.941.01 million shs$5.24 billion03/17/2025$32.96$34.30+4.07%$34.74$32.321.35 million shs$5.45 billion03/14/2025$32.90$32.96+0.18%$33.42$32.711.21 million shs$5.24 billion03/13/2025$33.41$32.90-1.53%$33.84$32.681.79 million shs$5.23 billion Related Companies BIIB Stock Chart UTHR Stock Chart INCY Stock Chart BMRN Stock Chart EXEL Stock Chart NBIX Stock Chart EXAS Stock Chart HALO Stock Chart MDGL Stock Chart RGEN Stock Chart Receive IONS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ionis Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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