AC Immune (ACIU) Stock Chart & Stock Price History $1.68 +0.04 (+2.12%) As of 02:24 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock AC Immune Stock Price Performance The AC Immune (ACIU) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 51.16%, with a year-to-date return of -37.59%. In the past month, the stock has increased 12.33%, reflecting recent market activity. As of the latest close, AC Immune traded at $1.65 with a market cap of $165.68 million and volume of 156,191 shares. Five years ago, the stock traded at $7.42, representing a 77.29% decrease over that period. At the time, it had a market cap of $501.99 million and a volume of 35,700 shares. 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Email Address 5 Day Performance-1.46%1 Month Performance+12.33%3 Month Performance-36.17%Year-To-Date Performance-37.59%1 Year Performance-51.16%5 Year Performance-77.29% ACIU Stock Chart for Thursday, May, 22, 2025 ACIU Chart by TradingView AC Immune 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$1.75$1.65-5.71%$1.74$1.63156,191 shs$165.68 million05/20/2025$1.74$1.75+0.57%$1.80$1.70119,624 shs$175.72 million05/19/2025$1.71$1.74+1.75%$1.78$1.70130,363 shs$174.71 million05/16/2025$1.57$1.71+8.92%$1.75$1.5690,077 shs$171.70 million05/15/2025$1.53$1.57+2.61%$1.58$1.5258,989 shs$157.64 million05/14/2025$1.57$1.53-2.55%$1.57$1.5187,639 shs$153.63 million05/13/2025$1.63$1.57-3.68%$1.66$1.55176,049 shs$157.64 million05/12/2025$1.67$1.63-2.40%$1.78$1.61207,199 shs$163.67 million05/09/2025$1.64$1.67+1.58%$1.70$1.6669,059 shs$167.69 million05/08/2025$1.66$1.64-0.96%$1.70$1.6185,845 shs$165.07 million Get the Latest News and Ratings for ACIU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AC Immune and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$1.63$1.66+2.15%$1.71$1.61172,857 shs$166.68 million05/06/2025$1.71$1.63-4.97%$1.74$1.6195,099 shs$163.17 million05/05/2025$1.72$1.71-0.58%$1.78$1.7081,733 shs$171.70 million05/02/2025$1.67$1.72+2.99%$1.79$1.6979,488 shs$172.71 million05/01/2025$1.73$1.67-3.47%$1.74$1.66136,845 shs$167.69 million04/30/2025$1.70$1.73+1.76%$1.76$1.55210,962 shs$173.71 million04/29/2025$1.70$1.70$1.77$1.66104,853 shs$170.70 million04/28/2025$1.64$1.70+3.66%$1.76$1.65245,718 shs$170.70 million04/25/2025$1.66$1.64-1.20%$1.68$1.62112,343 shs$164.67 million04/24/2025$1.58$1.66+5.06%$1.68$1.58237,766 shs$166.68 million04/23/2025$1.50$1.58+5.33%$1.60$1.48201,470 shs$158.65 million04/22/2025$1.48$1.50+1.35%$1.51$1.46149,474 shs$150.62 million04/21/2025$1.48$1.48$1.54$1.45138,621 shs$148.61 million Related Companies Immunome Stock Chart Rocket Pharmaceuticals Stock Chart ArriVent BioPharma Stock Chart Day One Biopharmaceuticals Stock Chart Trevi Therapeutics Stock Chart Immatics Stock Chart Vir Biotechnology Stock Chart Sionna Therapeutics Stock Chart Evolus Stock Chart Replimune Group Stock Chart Receive ACIU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AC Immune and its competitors with MarketBeat's FREE daily newsletter. 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