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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NASDAQ:AIMDNASDAQ:KZRNYSE:OSTXNASDAQ:SRZN On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeAIMDAinos$0.55-0.9%$0.53$0.40▼$1.46$8.41M1.83565,846 shs81,720 shsKZRKezar Life Sciences$4.70-1.1%$5.16$3.62▼$9.18$34.34M0.6159,504 shs5,419 shsOSTXOS Therapies$1.60-0.6%$1.55$1.12▼$7.00$34.66MN/A482,917 shs155,398 shsSRZNSurrozen$10.03+0.3%$10.86$6.00▼$18.17$32.91M0.6921,008 shs18,069 shsInvesting Strategies To Help Grow Your Retirement IncomeNeed to stretch out your 401K or Roth IRA plan? Use these time-tested investing strategies to grow the monthly retirement income that your stock portfolio generates.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAIMDAinos0.00%0.00%0.00%-31.16%-47.62%KZRKezar Life Sciences+3.71%+14.18%-15.78%-25.08%-40.73%OSTXOS Therapies+2.58%+3.92%0.00%-40.89%+158,999,900.00%SRZNSurrozen-0.79%+2.56%-13.04%-11.50%+11.48%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAIMDAinos0.9189 of 5 stars0.04.00.00.02.40.80.6KZRKezar Life Sciences3.6717 of 5 stars3.24.00.04.60.01.70.6OSTXOS Therapies2.2806 of 5 stars3.70.00.00.02.31.70.6SRZNSurrozen3.0076 of 5 stars3.54.00.00.00.05.00.6Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAIMDAinos 0.00N/AN/AN/AKZRKezar Life Sciences 2.33Hold$39.50740.43% UpsideOSTXOS Therapies 3.40Buy$18.001,025.00% UpsideSRZNSurrozen 3.00Buy$38.50283.85% UpsideCurrent Analyst Ratings BreakdownLatest AIMD, OSTX, KZR, and SRZN Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails4/22/2025OSTXOS TherapiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$20.00 ➝ $20.004/7/2025OSTXOS TherapiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$20.00 ➝ $20.004/2/2025OSTXOS TherapiesLake Street CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy$19.004/2/2025SRZNSurrozenHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$32.00 ➝ $32.003/31/2025OSTXOS TherapiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$20.00 ➝ $20.002/28/2025KZRKezar Life SciencesWilliam BlairSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingMarket Perform ➝ Outperform2/20/2025OSTXOS TherapiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$20.00 ➝ $20.001/30/2025OSTXOS TherapiesD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$20.00 ➝ $20.001/30/2025SRZNSurrozenHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy$32.00(Data available from 4/25/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAIMDAinos$20.73K405.76N/AN/A$5.23 per share0.10KZRKezar Life Sciences$7M4.91N/AN/A$25.80 per share0.18OSTXOS TherapiesN/AN/AN/AN/AN/AN/ASRZNSurrozen$10.66M3.09N/AN/A$18.39 per share0.55Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAIMDAinos-$13.77M-$1.65N/A∞N/AN/A-75.16%-50.22%5/12/2025 (Estimated)KZRKezar Life Sciences-$101.87M-$11.55N/AN/AN/AN/A-54.95%-46.11%5/8/2025 (Estimated)OSTXOS Therapies-$7.79MN/A0.00N/AN/AN/AN/A-569.57%N/ASRZNSurrozen-$43.04M-$21.77N/AN/AN/AN/A-120.51%-54.68%5/14/2025 (Estimated)Latest AIMD, OSTX, KZR, and SRZN EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/14/2025Q1 2025SRZNSurrozen-$1.09N/AN/AN/AN/AN/A5/8/2025Q1 2025KZRKezar Life Sciences-$2.56N/AN/AN/AN/AN/A3/31/2025Q4 2024SRZNSurrozen-$2.54-$9.10-$6.56-$9.10N/A$0.66 million3/25/2025Q4 2024 & Study ResultKZRKezar Life Sciences-$2.71-$2.77-$0.06-$2.77N/AN/A3/7/2025Q4 2024AIMDAinosN/A-$0.26N/A-$0.26N/AN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAIMDAinosN/AN/AN/AN/AN/AKZRKezar Life SciencesN/AN/AN/AN/AN/AOSTXOS TherapiesN/AN/AN/AN/AN/ASRZNSurrozenN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAIMDAinos0.501.371.33KZRKezar Life Sciences0.057.657.65OSTXOS TherapiesN/A0.760.76SRZNSurrozenN/A7.407.40Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAIMDAinosN/AKZRKezar Life Sciences67.90%OSTXOS TherapiesN/ASRZNSurrozen66.57%Insider OwnershipCompanyInsider OwnershipAIMDAinos10.39%KZRKezar Life Sciences9.30%OSTXOS Therapies13.80%SRZNSurrozen43.50%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAIMDAinos4015.43 million12.62 millionNot OptionableKZRKezar Life Sciences607.31 million6.62 millionNot OptionableOSTXOS TherapiesN/A21.66 millionN/AN/ASRZNSurrozen803.28 million1.84 millionNot OptionableAIMD, OSTX, KZR, and SRZN HeadlinesRecent News About These CompaniesSurrozen files to sell 5.21M shares of common stock for holdersApril 25 at 4:05 AM | markets.businessinsider.comSurrozen reports FY24 EPS ($21.67) vs. ($21.33) last yearApril 2, 2025 | markets.businessinsider.comInsiders Are Loving These 5 Tech and Biotech StocksApril 2, 2025 | 247wallst.comSurrozen Focuses on Ophthalmology Amid Financial ChallengesApril 2, 2025 | tipranks.comSurrozen Provides Fourth Quarter and Full Year 2024 Financial Results and Business UpdatesMarch 31, 2025 | globenewswire.comSurrozen, Inc. (NASDAQ:SRZN) Major Shareholder Group Gp Lp Column III Purchases 1,034,482 SharesMarch 29, 2025 | insidertrades.comSurrozen to focus Wnt expertise, technologies on ophthalmology programsMarch 27, 2025 | markets.businessinsider.comSurrozen to discontinue development of SZN-043 in alcohol associated hepatitisMarch 26, 2025 | markets.businessinsider.comSurrozen, Inc. Prioritizes Ophthalmology Pipeline with $175 Million Financing and Discontinues SZN-043 DevelopmentMarch 24, 2025 | quiverquant.comSurrozen Announces an Oversubscribed $175 Million Private Placement of Securities to Focus on Selective Wnt Mimetic Therapeutics to Treat Serious Eye DiseasesMarch 24, 2025 | globenewswire.comSurrozen (NASDAQ:SRZN) Stock Quotes, Forecast and News SummaryJanuary 30, 2025 | benzinga.comHC Wainwright & Co. Initiates Coverage of Surrozen (SRZN) with Buy RecommendationJanuary 30, 2025 | msn.comH.C. Wainwright sets $32 target on Surrozen stock with Buy ratingJanuary 30, 2025 | msn.com(SRZN) Trading AdviceJanuary 30, 2025 | news.stocktradersdaily.comSurrozen initiated with a Buy at H.C. WainwrightJanuary 30, 2025 | markets.businessinsider.comHere's Why We're A Bit Worried About Surrozen's (NASDAQ:SRZN) Cash Burn SituationJanuary 22, 2025 | uk.finance.yahoo.com(SRZN) Trading ReportJanuary 20, 2025 | news.stocktradersdaily.comSurrozen, Inc. (NASDAQ:SRZN) VP Sells $14,642.91 in StockJanuary 7, 2025 | insidertrades.comGuggenheim upgrades Surrozen to Buy after ‘encouraging’ SZN-043 dataJanuary 4, 2025 | markets.businessinsider.comSurrozen upgraded to Buy from Neutral at GuggenheimJanuary 4, 2025 | markets.businessinsider.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeAIMD, OSTX, KZR, and SRZN Company DescriptionsAinos NASDAQ:AIMD$0.55 -0.01 (-0.91%) As of 04:00 PM EasternAinos, Inc., a healthcare company, engages in developing medical technologies for point-of-care testing and safe and novel medical treatment for disease indications. The company offers COVID-19 antigen rapid test kit and Ainos' cloud-based test management App, a cloud-based test management platform comprising an antigen rapid test kit, a personal application, and an enterprise app; COVID-19 nucleic acid test; volatile organic compounds point-of-care testing; Very Low-Dose Oral Interferon Alpha, a low-dose oral interferon alpha formulation based IFN-a's broad treatment applications; and Synthetic RNA developing a SRNA technology platform in Taiwan. It also provides women's health, pneumonia, Ainos Pen, AI Nose, and other products. Ainos, Inc. was formerly known as Amarillo Biosciences, Inc. and changed its name to Ainos, Inc. in May 2021. The company was incorporated in 1984 and is based in San Diego, California.Kezar Life Sciences NASDAQ:KZR$4.70 -0.05 (-1.05%) Closing price 04:00 PM EasternExtended Trading$4.72 +0.02 (+0.43%) As of 04:25 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.Kezar Life Sciences, Inc., a clinical-stage biotechnology company, engages in the discovery and development of novel small molecule therapeutics to treat unmet needs in immune-mediated diseases and cancer in the United States. The company's lead product candidate is zetomipzomib (KZR-616), a selective immunoproteasome inhibitor that is in Phase 2b clinical trials for various indications, including lupus nephritis, dermatomyositis, and polymyositis; Phase 1b clinical trials in systemic lupus erythematosus; and completed Phase 2a clinical trials in lupus nephritis. Its preclinical products include KZR-261, a novel first-in-class protein secretion inhibitor for the treatment of tumors resistant to traditional chemotherapeutics. Kezar Life Sciences, Inc. was incorporated in 2015 and is headquartered in South San Francisco, California.OS Therapies NYSE:OSTX$1.60 -0.01 (-0.62%) Closing price 04:00 PM EasternExtended Trading$1.60 -0.01 (-0.31%) As of 07:56 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.OS Therapies Incorporated, a clinical stage biopharmaceutical company, focuses on the identification, development, and commercialization of treatments for osteosarcoma and other solid tumors in the United States. Its pipeline includes OST-HER2, an off-the-shelf immunotherapy for osteosarcoma patients; and OST-tunable drug conjugate (OST-tADC), an antibody-drug conjugate technology, with a plug-and-play platform that features tunable pH sensitive silicone linkers. OS Therapies Incorporated was incorporated in 2018 and is based in Rockville, Maryland.Surrozen NASDAQ:SRZN$10.03 +0.03 (+0.30%) Closing price 03:59 PM EasternExtended Trading$9.76 -0.26 (-2.64%) As of 04:05 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.Surrozen, Inc., a clinical stage biotechnology company, discovers and develops drug candidates to selectively modulate the Wnt pathway for tissue repair. The company is developing antibody-based therapeutics which targets various disease areas, including diseases of the intestine, liver, retina, cornea, lung, kidney, cochlea, skin, pancreas, and central nervous system. Its products in pipeline include SZN-043, a hepatocyte-specific R-spondin mimetic bispecific fusion protein, which is in Phase 1b clinical trial for the treatment of severe liver diseases, including alcohol-associated hepatitis. The company develops SZN-413, a Fzd4 targeted bi-specific antibody for the treatment of retinal vascular associated diseases. Surrozen, Inc. has collaboration and license agreement with Boehringer Ingelheim International GmbH to research, develop, and commercialize Fzd4 bi-specific antibodies. Surrozen, Inc. is based in South San Francisco, California. 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