AC Immune (ACIU) Stock Chart & Stock Price History $2.43 0.00 (0.00%) Closing price 04:00 PM EasternExtended Trading$2.44 +0.01 (+0.62%) As of 04:11 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesOptions 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 37.85%, with a year-to-date return of -10.00%. In the past month, the stock has increased 17.39%, reflecting recent market activity. As of the latest close, AC Immune traded at $2.43 with a market cap of $244.00 million and volume of 356,470 shares. Five years ago, the stock traded at $6.90, representing a 64.78% decrease over that period. At the time, it had a market cap of $453.33 million and a volume of 419,470 shares. 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. Email Address 5 Day Performance+17.39%1 Month Performance+17.39%3 Month Performance+48.17%Year-To-Date Performance-10.00%1 Year Performance-37.85%5 Year Performance-64.78% ACIU Stock Chart for Friday, July, 25, 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 Capitalization07/25/2025$2.43$2.43$2.52$2.32230,276 shs$244.00 million07/24/2025$2.34$2.43+3.85%$2.50$2.26356,470 shs$244.00 million07/23/2025$2.31$2.34+1.30%$2.41$2.26210,521 shs$234.96 million07/22/2025$2.08$2.31+11.06%$2.34$2.07236,466 shs$231.95 million07/21/2025$2.07$2.08+0.48%$2.14$2.07102,459 shs$208.85 million07/18/2025$2.07$2.07$2.14$2.02122,856 shs$207.85 million07/17/2025$2.06$2.07+0.49%$2.15$2.05163,418 shs$207.85 million07/16/2025$2.05$2.06+0.49%$2.09$2.00123,762 shs$206.85 million07/15/2025$2.08$2.05-1.44%$2.14$2.02123,336 shs$205.84 million07/14/2025$2.04$2.08+1.96%$2.13$2.0351,037 shs$208.85 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. 07/11/2025$2.11$2.04-3.32%$2.11$2.0386,216 shs$204.84 million07/10/2025$2.08$2.11+1.44%$2.15$2.05123,260 shs$211.87 million07/09/2025$2.07$2.08+0.48%$2.11$2.0183,615 shs$208.85 million07/08/2025$1.99$2.07+4.02%$2.07$1.97122,539 shs$207.85 million07/07/2025$2.06$1.99-3.40%$2.08$1.94150,325 shs$199.82 million07/04/2025$2.06$2.06$2.07$1.96113,290 shs$206.85 million07/03/2025$2.02$2.06+1.98%$2.07$1.96113,290 shs$206.85 million07/02/2025$1.98$2.02+2.02%$2.07$1.97108,131 shs$202.83 million07/01/2025$2.03$1.98-2.46%$2.08$1.65293,883 shs$198.81 million06/30/2025$2.01$2.03+1.00%$2.17$1.99106,882 shs$203.83 million06/27/2025$2.09$2.01-3.83%$2.11$2.01129,670 shs$201.82 million06/26/2025$2.07$2.09+0.97%$2.15$2.0273,099 shs$209.86 million06/25/2025$2.11$2.07-1.66%$2.19$2.01148,398 shs$207.85 million06/24/2025$1.83$2.11+15.03%$2.15$1.87246,251 shs$211.36 million Related Companies Trevi Therapeutics Stock Chart Chimerix Stock Chart Cronos Group Stock Chart uniQure Stock Chart Oculis Stock Chart AnaptysBio Stock Chart BGM Group Stock Chart CorMedix Stock Chart Vir Biotechnology Stock Chart KalVista Pharmaceuticals 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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