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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:BMRA NASDAQ:KLTO NASDAQ:PYRGF NASDAQ:RVPH 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 VolumeBMRABiomerica$2.98+1.0%$3.23$2.08▼$10.16$8.39M0.35638,298 shs20,379 shsKLTOKlotho Neurosciences$0.59-4.6%$0.94$0.11▼$3.91$36.22M10.7416.17 million shs2.70 million shsPYRGFPyroGenesis Canada$0.19+11.2%$0.27$0.17▼$0.71$36.19M0.8114,625 shs2,403 shsRVPHReviva Pharmaceuticals$0.44-0.2%$0.45$0.30▼$4.28$30.08M-0.041.66 million shs785,993 shsReduce the RiskMarket downturns give many investors pause, and for good reason. Wondering how to offset this risk? Enter your email address to learn more about using beta to protect your portfolio.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBMRABiomerica+0.68%+4.61%-1.34%-7.81%+18.34%KLTOKlotho Neurosciences+19.11%+25.03%-23.34%-61.32%+61,889,900.00%PYRGFPyroGenesis Canada-0.74%-12.94%-37.12%-49.59%-69.81%RVPHReviva Pharmaceuticals-0.52%-0.83%-3.67%-38.99%-65.92%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeBMRABiomerica$2.98+1.0%$3.23$2.08▼$10.16$8.39M0.35638,298 shs20,379 shsKLTOKlotho Neurosciences$0.59-4.6%$0.94$0.11▼$3.91$36.22M10.7416.17 million shs2.70 million shsPYRGFPyroGenesis Canada$0.19+11.2%$0.27$0.17▼$0.71$36.19M0.8114,625 shs2,403 shsRVPHReviva Pharmaceuticals$0.44-0.2%$0.45$0.30▼$4.28$30.08M-0.041.66 million shs785,993 shsReduce the RiskMarket downturns give many investors pause, and for good reason. Wondering how to offset this risk? Enter your email address to learn more about using beta to protect your portfolio.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBMRABiomerica+0.68%+4.61%-1.34%-7.81%+18.34%KLTOKlotho Neurosciences+19.11%+25.03%-23.34%-61.32%+61,889,900.00%PYRGFPyroGenesis Canada-0.74%-12.94%-37.12%-49.59%-69.81%RVPHReviva Pharmaceuticals-0.52%-0.83%-3.67%-38.99%-65.92%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceBMRABiomerica 0.00N/AN/AN/AKLTOKlotho Neurosciences 0.00N/AN/AN/APYRGFPyroGenesis Canada 0.00N/AN/AN/ARVPHReviva Pharmaceuticals 3.14Buy$5.201,075.67% UpsideCurrent Analyst Ratings BreakdownLatest BMRA, KLTO, PYRGF, and RVPH Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails8/18/2025RVPHReviva PharmaceuticalsRoth CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$7.00 ➝ $3.008/18/2025RVPHReviva PharmaceuticalsD. Boral CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$3.008/15/2025RVPHReviva PharmaceuticalsCitigroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy8/15/2025RVPHReviva PharmaceuticalsMaxim GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetBuy$5.00 ➝ $2.006/27/2025RVPHReviva PharmaceuticalsD. Boral CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$3.00(Data available from 9/12/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookBMRABiomerica$5.31M1.58N/AN/A$1.61 per share1.85KLTOKlotho NeurosciencesN/AN/AN/AN/A$0.04 per shareN/APYRGFPyroGenesis Canada$9.14M3.96N/AN/A($0.01) per share-19.30RVPHReviva PharmaceuticalsN/AN/AN/AN/A$0.02 per shareN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateBMRABiomerica-$4.97M-$2.32N/A∞N/A-93.64%-98.97%-69.88%10/21/2025 (Estimated)KLTOKlotho Neurosciences-$6.15M-$0.45N/A∞N/AN/A-325.88%-242.15%N/APYRGFPyroGenesis Canada-$21.12M-$0.03N/A∞N/A-115.14%N/A-60.81%N/ARVPHReviva Pharmaceuticals-$29.92M-$0.65N/AN/AN/AN/AN/A-259.17%11/13/2025 (Estimated)Latest BMRA, KLTO, PYRGF, and RVPH EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/18/2025Q2 2025KLTOKlotho NeurosciencesN/A-$0.12N/A-$0.12N/AN/A8/14/2025Q2 2025RVPHReviva Pharmaceuticals-$0.15-$0.12+$0.03-$0.12N/AN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthBMRABiomericaN/AN/AN/AN/AN/AKLTOKlotho NeurosciencesN/AN/AN/AN/AN/APYRGFPyroGenesis CanadaN/AN/AN/AN/AN/ARVPHReviva PharmaceuticalsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioBMRABiomericaN/A2.801.95KLTOKlotho NeurosciencesN/A135.73135.73PYRGFPyroGenesis CanadaN/A0.600.50RVPHReviva PharmaceuticalsN/A0.900.90Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipBMRABiomerica22.28%KLTOKlotho Neurosciences20.07%PYRGFPyroGenesis Canada0.03%RVPHReviva Pharmaceuticals63.18%Insider OwnershipCompanyInsider OwnershipBMRABiomerica15.00%KLTOKlotho Neurosciences26.70%PYRGFPyroGenesis Canada47.68%RVPHReviva Pharmaceuticals27.18%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableBMRABiomerica602.82 million2.39 millionOptionableKLTOKlotho NeurosciencesN/A61.37 million44.99 millionN/APYRGFPyroGenesis Canada90187.53 million96.34 millionNo DataRVPHReviva Pharmaceuticals568.00 million49.52 millionOptionableBMRA, KLTO, PYRGF, and RVPH HeadlinesRecent News About These CompaniesReviva Pharmaceuticals (NASDAQ:RVPH) vs. Ironwood Pharmaceuticals (NASDAQ:IRWD) Critical ReviewSeptember 8, 2025 | americanbankingnews.comPivotal Therapeutics (OTCMKTS:PVTTF) versus Reviva Pharmaceuticals (NASDAQ:RVPH) Head-To-Head SurveySeptember 1, 2025 | americanbankingnews.comRVPH: There May Be A Faster WayAugust 19, 2025 | finance.yahoo.comReviva Pharmaceuticals Advances Schizophrenia TreatmentAugust 18, 2025 | tipranks.comReviva Pharmaceuticals price target lowered to $3 from $7 at Roth CapitalAugust 18, 2025 | msn.comReviva Narrows Loss 23% in Fiscal Q2August 14, 2025 | aol.comAReviva Reports Second Quarter 2025 Financial Results and Recent Business HighlightsAugust 14, 2025 | globenewswire.comReviva Pharmaceuticals Holdings, Inc. (RVPHW) - Yahoo FinanceJuly 5, 2025 | finance.yahoo.comReviva Pharmaceuticals Holdings, Inc. (RVPH) - Investing.comJune 29, 2025 | investing.comReviva Dives on Stock OfferingJune 26, 2025 | baystreet.caReviva Pharmaceuticals Holdings, Inc. Announces Pricing of $10 Million Public OfferingJune 26, 2025 | globenewswire.comReviva Pharmaceuticals stock falls after announcing public offeringJune 25, 2025 | za.investing.comReviva Pharmaceuticals Holdings, Inc. Announces Proposed Public OfferingJune 25, 2025 | globenewswire.comRVPH: Open Label Extension Results & Key Opinion Leader DiscussionJune 5, 2025 | finance.yahoo.comReviva to Participate in the H.C. Wainwright 6th Annual Neuro Perspectives Hybrid ConferenceJune 5, 2025 | globenewswire.comReviva Announces Positive Full Dataset for 1-Year Phase 3 RECOVER Open Label Extension Study Evaluating Brilaroxazine in SchizophreniaJune 2, 2025 | globenewswire.comReviva to Participate in Upcoming Investor Conferences in May 2025May 20, 2025 | santelog.comSReviva Reports First Quarter 2025 Financial Results and Recent Business HighlightsMay 15, 2025 | globenewswire.comReviva to Participate in the A.G.P. Healthcare Company ShowcaseMay 13, 2025 | finance.yahoo.comAnalysts Have Conflicting Sentiments on These Healthcare Companies: Icon (ICLR), Reviva Pharmaceuticals Holdings (RVPH) and SurModics (SRDX)May 4, 2025 | theglobeandmail.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeBMRA, KLTO, PYRGF, and RVPH Company DescriptionsBiomerica NASDAQ:BMRA$2.98 +0.03 (+1.02%) Closing price 04:00 PM EasternExtended Trading$2.99 +0.01 (+0.34%) As of 05:03 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.Biomerica, Inc., a biomedical technology company, develops, patents, manufactures, and markets diagnostic and therapeutic products for the detection and/or treatment of medical conditions and diseases worldwide. The company's diagnostic test kits are used to analyze blood, urine, nasal or fecal specimens from patients in the diagnosis of various diseases, food intolerances, and other medical complications; or to measure bacteria, hormones, antibodies, antigens, or other substances which may exist in the human body, stools, or blood in extremely small concentrations. It primarily sells its products for gastrointestinal diseases, food intolerances, and various esoteric tests at the physicians' offices and over-the-counter drugstores, and hospital/clinical laboratories. The company is also developing InFoods IBS, that uses a simple blood sample to identify patient-specific foods which may alleviate irritable bowel syndrome symptoms; and H. Pylori diagnostic test that indicates if a patient is infected with the H. Pylori bacteria. In addition, it develops products to indicate if a person has been infected by COVID-19. Biomerica, Inc. was incorporated in 1971 and is headquartered in Irvine, California.Klotho Neurosciences NASDAQ:KLTO$0.59 -0.03 (-4.64%) As of 04:00 PM EasternKlotho Neurosciences, Inc., a biopharmaceutical company, develops therapies for neurological and age-related disorders, and specialty diagnostics. Its products include cell and gene therapies to mitigate age-related pathologies, such as dementia symptoms, and Alzheimer and neuromuscular diseases; biologics/biosimilars in the treatment of cancer; and melanocortin receptors. The company has a strategic partnership with Japan's Okinawa Research Center for the research and development of Klotho gene therapy in enhancing longevity and reducing age-related diseases. The company was formerly known as Anew Medical, Inc. and changed its name to Klotho Neurosciences, Inc. in September 2024. Klotho Neurosciences, Inc. is based in Omaha, Nebraska.PyroGenesis Canada NASDAQ:PYRGF$0.19 +0.02 (+11.18%) As of 03:06 PM EasternPyroGenesis Canada Inc. designs, develops, manufactures, and commercializes plasma processes and solutions worldwide. The company offers DROSRITE, a process for enhancing metal recovery from dross without any hazardous by-products; plasma atomization process that allows produce and sell high purity spherical metal powders; PUREVAP, a process to produce high purity metallurgical and solar grade silicon from quartz; and PUREVAP NSiR, which is designed to transform silicon into spherical silicon nano powders and nanowires for use in lithium-ion batteries. It provides plasma torches and plasma torch systems used toreplace fossil fuel burners in industrial iron ore pelletization process; plasma arc waste destruction systems for waste destruction onboard ships; steam plasma arc refrigerant cracking systems for the destruction of certain refrigerants, including chlorofluorocarbons, hydrofluorocarbons, and hydrochlorofluorocarbons; plasma arc chemical warfare agent destruction systems, which are mobile platforms for the onsite destruction of chemical warfare agents; plasma resource recovery systems for land-based waste destruction and waste-to-energy applications; plasma torches for waste gasification and combustion; and plasma arc gasification and vitrification. In addition, it offers engineering and manufacturing expertise, and contract research, as well as turnkey process equipment packages to the defense, metallurgical, mining, additive manufacturing (including 3D printing), oil and gas, and environmental industries. Further, the company provides installation, commissioning, and start-up services. PyroGenesis Canada Inc. is headquartered in Montreal, Canada.Reviva Pharmaceuticals NASDAQ:RVPH$0.44 0.00 (-0.18%) Closing price 04:00 PM EasternExtended Trading$0.44 0.00 (-0.07%) As of 05:52 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.Reviva Pharmaceuticals Holdings, Inc., a biopharmaceutical company, discovers, develops, and commercializes next-generation therapeutics for diseases targeting unmet medical needs in the areas of central nervous system, respiratory, inflammatory, and cardiometabolic diseases. The company's lead product candidate comprises brilaroxazine (RP5063) for the treatment of various neuropsychiatric indications, including schizophrenia, bipolar disorder, major depressive disorder, attentiondeficit/hyperactivity disorder, behavioral and psychotic symptoms of dementia and Alzheimer's disease, and Parkinson's disease psychosis; in clinical development respiratory indications, such as pulmonary arterial hypertension and idiopathic pulmonary fibrosis; and in preclinical development for the treatment of psoriasis. It is also developing RP1208 for the treatment of depression and obesity. Reviva Pharmaceuticals Holdings, Inc. was founded in 2018 and is headquartered in Cupertino, California. 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