Aeterna Zentaris (AEZS) Stock Chart & Stock Price History $3.82 -0.08 (-2.05%) As of 08/1/2025 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 35.47%, with a year-to-date return of 34.51%. In the past month, the stock has increased 11.37%, reflecting recent market activity. As of the latest close, Aeterna Zentaris traded at $3.90 with a market cap of $6.99 million and volume of 956 shares. Five years ago, the stock traded at a split-adjusted price of $46.95, representing a 91.86% decrease over that period. At the time, it had a market cap of $19.04 million and a volume of 617,010 shares. 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Email Address 5 Day Performance-2.05%1 Month Performance+11.37%3 Month Performance+1.87%Year-To-Date Performance+34.51%1 Year Performance-35.47%5 Year Performance-91.86% AEZS Stock Chart for Saturday, August, 2, 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 Capitalization08/01/2025$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 million07/25/2025$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 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. 07/18/2025$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 million07/08/2025$3.41$3.44+0.88%$3.46$3.424,112 shs$6.17 million07/07/2025$3.41$3.41$3.41$3.41284 shs$6.11 million07/04/2025$3.41$3.41$3.41$3.41284 shs$6.11 million07/03/2025$3.43$3.41-0.58%$3.46$3.312,601 shs$6.11 million07/02/2025$3.40$3.43+0.88%$3.46$3.411,175 shs$6.15 million07/01/2025$3.34$3.40+1.80%$3.46$3.253,463 shs$6.10 million Related Companies ADAP Stock Price Chart SCYX Stock Price Chart NNVC Stock Price Chart CLNN Stock Price Chart TPST Stock Price Chart CING Stock Price Chart TENX Stock Price Chart QTTB Stock Price Chart NRSN Stock Price Chart FBLG 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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