Aeterna Zentaris (AEZS) Stock Chart & Stock Price History $3.60 +0.08 (+2.25%) As of 08/8/2025 Add Compare Share Share Chart Stock AnalysisChartCompetitorsFDA EventsSEC FilingsTrendsBuy This Stock Aeterna Zentaris Stock Price Performance The Aeterna Zentaris (AEZS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 37.15%, with a year-to-date return of 26.58%. In the past month, the stock has decreased 1.51%, reflecting recent market activity. As of the latest close, Aeterna Zentaris traded at $3.52 with a market cap of $6.30 million and volume of 2,919 shares. Five years ago, the stock traded at a split-adjusted price of $55.00, representing a 93.46% decrease over that period. At the time, it had a market cap of $22.62 million and a volume of 3.93 million shares. 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Email Address 5 Day Performance-5.89%1 Month Performance-1.51%3 Month Performance+6.36%Year-To-Date Performance+26.58%1 Year Performance-37.15%5 Year Performance-93.46% AEZS Stock Chart for Sunday, August, 10, 2025 AEZS Chart by TradingView Aeterna Zentaris 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 Capitalization08/08/2025$3.77$3.52-6.74%$3.81$3.362,919 shs$6.30 million08/07/2025$3.85$3.77-2.08%$4.04$3.774,633 shs$6.76 million08/06/2025$3.82$3.85+0.79%$3.85$3.811,002 shs$6.90 million08/05/2025$3.82$3.82$3.85$3.813,794 shs$6.85 million08/04/2025$3.82$3.82$3.85$3.813,794 shs$6.85 million08/01/2025$3.80$3.90+2.63%$3.90$3.89956 shs$6.99 million07/31/2025$3.91$3.80-2.81%$3.80$3.662,765 shs$6.81 million07/30/2025$3.90$3.91+0.26%$3.91$3.90651 shs$7.01 million07/29/2025$3.90$3.90$3.92$3.901,108 shs$6.99 million07/28/2025$3.90$3.90$3.92$3.901,108 shs$6.99 million Get the Latest News and Ratings for AEZS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Aeterna Zentaris and its competitors with MarketBeat's FREE daily newsletter. 07/25/2025$4.15$3.96-4.58%$4.05$3.894,495 shs$7.10 million07/24/2025$4.19$4.15-0.95%$4.20$3.968,296 shs$7.44 million07/23/2025$4.19$4.19$4.24$4.052,046 shs$7.51 million07/22/2025$4.33$4.19-3.23%$4.30$4.193,577 shs$7.51 million07/21/2025$4.33$4.33$4.40$4.0110,316 shs$7.76 million07/18/2025$3.62$4.10+13.26%$4.10$3.6419,807 shs$7.35 million07/17/2025$3.62$3.62$3.65$3.314,118 shs$6.49 million07/16/2025$3.62$3.62$3.65$3.314,118 shs$6.49 million07/15/2025$3.53$3.62+2.55%$3.65$3.314,118 shs$6.49 million07/14/2025$3.53$3.53$3.53$3.313,195 shs$6.33 million07/11/2025$3.65$3.51-3.84%$3.67$3.517,193 shs$6.29 million07/10/2025$3.65$3.65$3.65$3.462,461 shs$6.54 million07/09/2025$3.44$3.65+6.10%$3.65$3.462,461 shs$6.54 million Related Companies RNTX Stock Price Chart TPST Stock Price Chart JATT Stock Price Chart MIRA Stock Price Chart LSTA Stock Price Chart BDRX Stock Price Chart NNVC Stock Price Chart TENX Stock Price Chart ADAP Stock Price Chart CASI Stock Price Chart Receive AEZS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Aeterna Zentaris and its competitors with MarketBeat's FREE daily newsletter. 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