Aeterna Zentaris (AEZS) Competitors $3.60 +0.08 (+2.25%) As of 08/8/2025 Add Compare Share Share Competitors Stock AnalysisChartCompetitorsFDA EventsSEC FilingsTrendsBuy This Stock AEZS vs. RNTX, TPST, JATT, MIRA, LSTA, BDRX, NNVC, TENX, ADAP, and CASIShould you be buying Aeterna Zentaris stock or one of its competitors? The main competitors of Aeterna Zentaris include Rein Therapeutics (RNTX), Tempest Therapeutics (TPST), JATT Acquisition (JATT), MIRA Pharmaceuticals (MIRA), Lisata Therapeutics (LSTA), Biodexa Pharmaceuticals (BDRX), NanoViricides (NNVC), Tenax Therapeutics (TENX), Adaptimmune Therapeutics (ADAP), and CASI Pharmaceuticals (CASI). These companies are all part of the "pharmaceutical products" industry. Aeterna Zentaris vs. Its Competitors Rein Therapeutics Tempest Therapeutics JATT Acquisition MIRA Pharmaceuticals Lisata Therapeutics Biodexa Pharmaceuticals NanoViricides Tenax Therapeutics Adaptimmune Therapeutics CASI Pharmaceuticals Rein Therapeutics (NASDAQ:RNTX) and Aeterna Zentaris (NASDAQ:AEZS) are both small-cap medical companies, but which is the superior business? We will compare the two businesses based on the strength of their valuation, earnings, dividends, risk, media sentiment, profitability, analyst recommendations and institutional ownership. Does the media prefer RNTX or AEZS? In the previous week, Rein Therapeutics had 1 more articles in the media than Aeterna Zentaris. MarketBeat recorded 1 mentions for Rein Therapeutics and 0 mentions for Aeterna Zentaris. Rein Therapeutics' average media sentiment score of 0.15 beat Aeterna Zentaris' score of 0.00 indicating that Rein Therapeutics is being referred to more favorably in the media. Company Overall Sentiment Rein Therapeutics Neutral Aeterna Zentaris Neutral Which has preferable earnings and valuation, RNTX or AEZS? Aeterna Zentaris has higher revenue and earnings than Rein Therapeutics. Rein Therapeutics is trading at a lower price-to-earnings ratio than Aeterna Zentaris, indicating that it is currently the more affordable of the two stocks. CompanyGross RevenuePrice/Sales RatioNet IncomeEarnings Per SharePrice/Earnings RatioRein TherapeuticsN/AN/A-$62.88M-$2.86-0.39Aeterna Zentaris$2.37M2.72-$16.55M-$14.86-0.24 Do institutionals & insiders hold more shares of RNTX or AEZS? 90.9% of Rein Therapeutics shares are owned by institutional investors. Comparatively, 0.7% of Aeterna Zentaris shares are owned by institutional investors. 5.1% of Rein Therapeutics shares are owned by company insiders. Comparatively, 0.1% of Aeterna Zentaris shares are owned by company insiders. Strong institutional ownership is an indication that large money managers, endowments and hedge funds believe a stock will outperform the market over the long term. Which has more risk & volatility, RNTX or AEZS? Rein Therapeutics has a beta of 1.31, meaning that its stock price is 31% more volatile than the S&P 500. Comparatively, Aeterna Zentaris has a beta of 1.55, meaning that its stock price is 55% more volatile than the S&P 500. Is RNTX or AEZS more profitable? Rein Therapeutics has a net margin of 0.00% compared to Aeterna Zentaris' net margin of -760.32%. Aeterna Zentaris' return on equity of -83.45% beat Rein Therapeutics' return on equity.Company Net Margins Return on Equity Return on Assets Rein TherapeuticsN/A -86.07% -31.11% Aeterna Zentaris -760.32%-83.45%-45.76% SummaryRein Therapeutics beats Aeterna Zentaris on 7 of the 12 factors compared between the two stocks. Get Aeterna Zentaris News Delivered to You Automatically Sign up to receive the latest news and ratings for AEZS and its competitors with MarketBeat's FREE daily newsletter. Email Address New MarketBeat Followers Over TimeWhat are MarkeBeat Followers?This chart shows the number of new MarketBeat users adding AEZS and its top 5 competitors to their watchlist. Each company is represented with a line over a 90 day period. Skip ChartMedia Sentiment Over TimeWhat is Media Sentiment?This chart shows the average media sentiment of NASDAQ and its competitors over the past 90 days as caculated by MarketBeat. The averaged score is equivalent to the following: Very Negative Sentiment <= -1.5, Negative Sentiment > -1.5 and <= -0.5, Neutral Sentiment > -0.5 and < 0.5, Positive Sentiment >= 0.5 and < 1.5, and Very Positive Sentiment >= 1.5.Skip Chart AEZS vs. The Competition Export to ExcelMetricAeterna ZentarisPharmaceutical IndustryMedical SectorNASDAQ ExchangeMarket Cap$10.26M$857.25M$5.52B$9.72BDividend YieldN/A4.84%4.60%4.12%P/E Ratio-0.241.1430.0124.75Price / Sales2.7226.66450.0597.82Price / CashN/A19.5636.7758.47Price / Book0.246.548.185.59Net Income-$16.55M-$4.07M$3.26B$265.99M7 Day Performance-5.89%121.77%6.13%5.06%1 Month Performance-1.51%1.87%0.07%0.61%1 Year Performance-41.45%22.82%36.31%22.82% Aeterna Zentaris Competitors List Export to ExcelCompanyMarketRankShare PriceAnalysts' Price Target1Y Price PerformanceMarket CapRevenueP/E RatioEmployee CountIndicator(s)AEZSAeterna ZentarisN/A$3.60+2.2%N/A-37.2%$10.26M$2.37M-0.2420Upcoming EarningsGap UpRNTXRein TherapeuticsN/A$1.18+5.4%N/AN/A$27.20MN/A-0.419News CoverageTPSTTempest Therapeutics2.1316 of 5 stars$7.38-1.1%$30.00+306.8%-50.8%$27.14MN/A-0.4120Upcoming EarningsJATTJATT AcquisitionN/A$1.50+7.1%N/A-59.9%$25.88MN/A0.003High Trading VolumeMIRAMIRA Pharmaceuticals2.3018 of 5 stars$1.52-3.2%$14.00+821.1%-34.3%$25.72MN/A-2.982Upcoming EarningsLSTALisata Therapeutics2.877 of 5 stars$2.97+15.6%$23.50+691.0%-11.0%$25.60M$1M-1.2930News CoverageEarnings ReportGap DownHigh Trading VolumeBDRXBiodexa Pharmaceuticals0.152 of 5 stars$7.00+0.2%N/AN/A$25.53M$470K0.0020Short Interest ↑Gap UpNNVCNanoViricides0.2987 of 5 stars$1.59-0.3%N/A-16.4%$25.47MN/A-2.2020TENXTenax Therapeutics1.2694 of 5 stars$6.01-2.8%$17.50+191.4%+45.9%$24.91MN/A-2.429Upcoming EarningsADAPAdaptimmune Therapeutics2.5566 of 5 stars$0.09+18.4%$1.35+1,339.5%-92.2%$24.89M$178.03M-0.35490Upcoming EarningsHigh Trading VolumeCASICASI Pharmaceuticals4.2421 of 5 stars$1.98+1.3%$4.00+102.5%-74.0%$24.29M$31.37M-0.77180Upcoming EarningsGap DownHigh Trading Volume Related Companies and Tools Related Companies RNTX Alternatives TPST Alternatives JATT Alternatives MIRA Alternatives LSTA Alternatives BDRX Alternatives NNVC Alternatives TENX Alternatives ADAP Alternatives CASI Alternatives Top 10 Stock Comparisons Semiconductor Stocks Artificial Intelligence Stocks Growth Stocks Magnificent Seven Stocks Pharmaceutical Stocks Ecommerce Stocks Bitcoin Stocks Meme Stocks Cryptocurrency Stocks Cybersecurity Stocks This page (NASDAQ:AEZS) was last updated on 8/10/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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