AC Immune (ACIU) Stock Chart & Stock Price History $2.13 -0.07 (-3.18%) Closing price 08/14/2025 04:00 PM EasternExtended Trading$2.13 0.00 (0.00%) As of 08/14/2025 04:10 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 37.17%, with a year-to-date return of -21.11%. In the past month, the stock has increased 3.90%, reflecting recent market activity. As of the latest close, AC Immune traded at $2.13 with a market cap of $213.87 million and volume of 94,811 shares. Five years ago, the stock traded at $6.87, representing a 69.00% decrease over that period. At the time, it had a market cap of $452.67 million and a volume of 16,152 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-0.47%1 Month Performance+3.90%3 Month Performance+35.67%Year-To-Date Performance-21.11%1 Year Performance-37.17%5 Year Performance-69.00% ACIU Stock Chart for Friday, August, 15, 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 Capitalization08/14/2025$2.20$2.13-3.18%$2.15$2.0994,811 shs$213.87 million08/13/2025$2.15$2.20+2.33%$2.25$2.0661,880 shs$220.90 million08/12/2025$2.07$2.15+3.86%$2.19$2.04181,789 shs$215.88 million08/11/2025$2.14$2.07-3.27%$2.13$2.04107,611 shs$207.85 million08/08/2025$2.08$2.14+2.88%$2.19$2.0797,918 shs$214.88 million08/07/2025$2.17$2.08-4.15%$2.28$2.08135,924 shs$208.85 million08/06/2025$2.45$2.17-11.43%$2.40$2.10153,531 shs$246.01 million08/05/2025$2.19$2.45+11.87%$2.50$2.16265,959 shs$246.01 million08/04/2025$2.12$2.19+3.30%$2.32$2.15165,209 shs$219.90 million08/01/2025$2.16$2.12-1.85%$2.20$2.0588,622 shs$212.87 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. 07/31/2025$2.18$2.16-0.92%$2.21$2.1278,081 shs$216.89 million07/30/2025$2.35$2.18-7.23%$2.38$2.15148,313 shs$218.89 million07/29/2025$2.37$2.35-0.84%$2.44$2.26262,633 shs$235.96 million07/28/2025$2.43$2.37-2.47%$2.50$2.35156,599 shs$237.97 million07/25/2025$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 Related Companies Mineralys Therapeutics Stock Chart Immunome Stock Chart Zymeworks Stock Chart atai Life Sciences Stock Chart Urogen Pharma Stock Chart Oculis Stock Chart Oric Pharmaceuticals Stock Chart Nuvation Bio Stock Chart Sionna Therapeutics Stock Chart Niagen Bioscience 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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