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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:ALTNASDAQ:CYANNASDAQ:KODNYSE:MRK 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 VolumeALTAltimmune$6.78-1.6%$5.57$3.55▼$11.16$549.91M0.582.89 million shs5.71 million shsCYANCyanotech$0.36$3.01$2.37▼$6.29$2.57M-0.113,483 shs25 shsKODKodiak Sciences$3.53-0.6%$3.70$1.92▼$11.60$186.26M2.27347,711 shs396,337 shsMRKMerck & Co., Inc.$79.26+1.3%$78.89$73.31▼$134.63$199.10B0.3812.91 million shs21.94 million 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 PerformanceALTAltimmune0.00%-5.17%+15.90%+17.04%+14.72%CYANCyanotech0.00%-14.43%+11.96%-14.02%+15.94%KODKodiak Sciences0.00%-4.08%-13.05%+7.62%+35.25%MRKMerck & Co., Inc.0.00%-3.03%+1.72%-15.17%-38.07%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationALTAltimmune2.2419 of 5 stars3.52.00.00.01.91.70.6CYANCyanotechN/AN/AN/AN/AN/AN/AN/AN/AKODKodiak Sciences4.329 of 5 stars3.04.00.04.63.03.30.0MRKMerck & Co., Inc.4.9962 of 5 stars3.25.05.03.93.02.53.8Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceALTAltimmune 3.00Buy$20.20197.94% UpsideCYANCyanotech 0.00N/AN/AN/AKODKodiak Sciences 2.00Hold$9.00154.96% UpsideMRKMerck & Co., Inc. 2.43Hold$109.1937.76% UpsideCurrent Analyst Ratings BreakdownLatest ALT, MRK, KOD, and CYAN Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/20/2025MRKMerck & Co., Inc.Cantor FitzgeraldSubscribe to MarketBeat All Access for the recommendation accuracy ratingDowngradeOverweight ➝ Cautious5/14/2025MRKMerck & Co., Inc.CitigroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Neutral$115.00 ➝ $84.004/22/2025MRKMerck & Co., Inc.Cantor FitzgeraldSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageNeutral$85.004/17/2025MRKMerck & Co., Inc.GuggenheimSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$115.00 ➝ $115.004/3/2025ALTAltimmuneHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$12.00 ➝ $12.003/31/2025KODKodiak SciencesHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingNeutral ➝ Neutral$3.00 ➝ $3.00(Data available from 6/20/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookALTAltimmune$20K27,496.29N/AN/A$1.74 per share3.90CYANCyanotech$23.07M0.11N/AN/A$1.33 per share0.27KODKodiak SciencesN/AN/AN/AN/A$2.86 per shareN/AMRKMerck & Co., Inc.$64.17B3.10$9.46 per share8.38$18.33 per share4.32Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateALTAltimmune-$95.06M-$1.26N/AN/AN/A-451,200.00%-65.44%-58.43%8/6/2025 (Estimated)CYANCyanotech-$5.27M-$0.66N/A∞N/A-19.50%-44.71%-19.12%N/AKODKodiak Sciences-$176.21M-$3.63N/AN/AN/AN/A-115.71%-54.17%8/13/2025 (Estimated)MRKMerck & Co., Inc.$17.12B$6.8711.548.010.8227.27%43.23%17.11%7/29/2025 (Estimated)Latest ALT, MRK, KOD, and CYAN EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/14/2025Q1 2025KODKodiak Sciences-$0.89-$1.09-$0.20-$1.09N/AN/A5/13/2025Q1 2025ALTAltimmune-$0.35-$0.26+$0.09-$0.26$0.00 million$0.01 million4/24/2025Q1 2025MRKMerck & Co., Inc.$2.16$2.22+$0.06$2.01$15.59 billion$15.53 billion3/27/2025Q4 2024KODKodiak Sciences-$0.90-$0.84+$0.06-$0.84N/AN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthALTAltimmuneN/AN/AN/AN/AN/ACYANCyanotechN/AN/AN/AN/AN/AKODKodiak SciencesN/AN/AN/AN/AN/AMRKMerck & Co., Inc.$3.244.09%N/A47.16%14 YearsLatest ALT, MRK, KOD, and CYAN DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date5/27/2025MRKMerck & Co., Inc.quarterly$0.814.18%6/16/20256/16/20257/8/2025(Data available from 1/1/2013 forward)Compare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioALTAltimmuneN/A15.8515.85CYANCyanotech0.111.060.28KODKodiak SciencesN/A4.624.62MRKMerck & Co., Inc.0.691.411.16Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipALTAltimmune78.05%CYANCyanotech24.40%KODKodiak Sciences89.06%MRKMerck & Co., Inc.76.07%Insider OwnershipCompanyInsider OwnershipALTAltimmune4.10%CYANCyanotech29.10%KODKodiak Sciences45.90%MRKMerck & Co., Inc.0.13%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableALTAltimmune5081.11 million77.78 millionOptionableCYANCyanotech957.16 million5.07 millionNot OptionableKODKodiak Sciences9052.76 million28.55 millionOptionableMRKMerck & Co., Inc.75,0002.51 billion2.51 billionOptionableALT, MRK, KOD, and CYAN HeadlinesRecent News About These CompaniesCantor Fitzgerald Investment Advisors L.P. Has $13.27 Million Stock Position in Merck & Co., Inc. (NYSE:MRK)June 20 at 7:19 AM | marketbeat.comStableford Capital II LLC Has $1.18 Million Holdings in Merck & Co., Inc. (NYSE:MRK)June 20 at 6:58 AM | marketbeat.comMerck & Co., Inc. (NYSE:MRK) Shares Sold by Spirit of America Management Corp NYJune 20 at 6:42 AM | marketbeat.comGood Steward Wealth Advisors LLC Makes New $688,000 Investment in Merck & Co., Inc. (NYSE:MRK)June 20 at 6:33 AM | marketbeat.comRetirement Systems of Alabama Sells 757,134 Shares of Merck & Co., Inc. (NYSE:MRK)June 20 at 5:56 AM | marketbeat.comClark & Stuart Inc Raises Stake in Merck & Co., Inc. (NYSE:MRK)June 20 at 5:48 AM | marketbeat.comTrifecta Capital Advisors LLC Decreases Stock Holdings in Merck & Co., Inc. (NYSE:MRK)June 20 at 5:39 AM | marketbeat.comEnvestnet Portfolio Solutions Inc. Has $11.59 Million Stock Holdings in Merck & Co., Inc. (NYSE:MRK)June 20 at 5:03 AM | marketbeat.comMerck & Co., Inc. (NYSE:MRK) Shares Acquired by Johnson Investment Counsel Inc.June 20 at 4:42 AM | marketbeat.comZacks Research Issues Negative Estimate for MRK EarningsJune 20 at 1:15 AM | americanbankingnews.comMerck & Co., Inc. (NYSE:MRK) Trading Up 1.3% - Still a Buy?June 19 at 11:50 AM | marketbeat.comBlue Trust Inc. Increases Stock Position in Merck & Co., Inc. (NYSE:MRK)June 19 at 7:59 AM | marketbeat.comKempner Capital Management Inc. Raises Stake in Merck & Co., Inc. (NYSE:MRK)June 19 at 7:22 AM | marketbeat.comMerck & Co., Inc. (NYSE:MRK) Shares Acquired by Plimoth Trust Co. LLCJune 19 at 7:22 AM | marketbeat.comZacks Research Brokers Decrease Earnings Estimates for MRKJune 19 at 7:06 AM | marketbeat.comMerck & Co., Inc. (NYSE:MRK) Shares Sold by Trivant Custom Portfolio Group LLCJune 19 at 7:05 AM | marketbeat.comCompass Capital Corp MA ADV Decreases Stock Position in Merck & Co., Inc. (NYSE:MRK)June 19 at 7:05 AM | marketbeat.comHCR Wealth Advisors Sells 13,639 Shares of Merck & Co., Inc. (NYSE:MRK)June 19 at 7:05 AM | marketbeat.comCatalina Capital Group LLC Decreases Position in Merck & Co., Inc. (NYSE:MRK)June 19 at 6:53 AM | marketbeat.comSterling Investment Counsel LLC Raises Stock Position in Merck & Co., Inc. (NYSE:MRK)June 19 at 6:44 AM | marketbeat.comBoston Trust Walden Corp Sells 30,447 Shares of Merck & Co., Inc. (NYSE:MRK)June 19 at 6:24 AM | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeTop HeadlinesView All HeadlinesAnalysts Think These Stocks Could More Than Double in ValueBy Nathan Reiff | May 23, 2025View Analysts Think These Stocks Could More Than Double in Value3 High-Paying Dividend Stocks That Still Have Safe PayoutsBy Chris Markoch | May 27, 2025View 3 High-Paying Dividend Stocks That Still Have Safe Payouts3 Trades Members of Congress Are Making Right NowBy Chris Markoch | May 23, 2025View 3 Trades Members of Congress Are Making Right NowUnitedHealth Stock Dips: Is This a Value Buy Opportunity?By Jeffrey Neal Johnson | June 13, 2025View UnitedHealth Stock Dips: Is This a Value Buy Opportunity?Will Hims & Hers Stock Be Okay After UnitedHealth's Sell-Off?By Gabriel Osorio-Mazilli | May 22, 2025View Will Hims & Hers Stock Be Okay After UnitedHealth's Sell-Off?ALT, MRK, KOD, and CYAN Company DescriptionsAltimmune NASDAQ:ALT$6.78 -0.11 (-1.60%) Closing price 06/18/2025 04:00 PM EasternExtended Trading$6.82 +0.04 (+0.59%) As of 09:10 AM 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.Altimmune, Inc., a clinical stage biopharmaceutical company, focuses on developing treatments for obesity and liver diseases. The company's lead product candidate, pemvidutide, a GLP-1/glucagon dual receptor agonist that is in Phase 2 trial for the treatment of obesity and metabolic dysfunction-associated steatohepatitis. It is also developing HepTcell, an immunotherapeutic product candidate, which is in Phase 2 clinical trial for patients chronically infected with the hepatitis B virus. The company was formerly known as Vaxin Inc. and changed its name to Altimmune, Inc. in September 2015. Altimmune, Inc. was founded in 1997 is headquartered in Gaithersburg, Maryland.Cyanotech NASDAQ:CYANCyanotech Corp. engages in the cultivation, production, and sale of natural products derived from microalgae for the health and human nutrition markets worldwide. Its products include BioAstin Hawaiian Astaxanthin, a dietary antioxidant, which is used as a human dietary supplement and dietary ingredient to support and maintain the body's natural inflammatory response, enhance skin, and support eye, joint, and immune health; and Hawaiian Spirulina Pacifica, a nutrient-rich dietary supplement that is used for extra energy, a strengthened immune system, cardiovascular benefits, and as a source of antioxidant carotenoids. The company was founded by Gerald R. Cysewski in 1983 and is headquartered in Kailua-Kona, HI.Kodiak Sciences NASDAQ:KOD$3.53 -0.02 (-0.56%) Closing price 06/18/2025 04:00 PM EasternExtended Trading$3.86 +0.34 (+9.49%) As of 08:39 AM 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.Kodiak Sciences Inc., a clinical stage biopharmaceutical company, researches, develops, and commercializes therapeutics to treat retinal diseases. Its lead product candidate is tarcocimab tedromer (KSI-301), an anti-vascular endothelial growth factor antibody biopolymer that is in Phase IIb/III clinical study to treat wet age-related macular degeneration (AMD), as well as Phase III clinical study for the treatment of diabetic macular edema, naïve macular edema due to retinal vein occlusion, and non-proliferative diabetic retinopathy. The company's preclinical stage product candidate includes KSI-501, a bispecific conjugate to treat retinal diseases with an inflammatory component; and KSI-601, a triplet biopolymer conjugate for the treatment of dry AMD. The company was formerly known as Oligasis, LLC and changed its name to Kodiak Sciences Inc. in September 2015. Kodiak Sciences Inc. was incorporated in 2009 and is based in Palo Alto, California.Merck & Co., Inc. NYSE:MRK$79.26 +0.98 (+1.25%) Closing price 06/18/2025 03:59 PM EasternExtended Trading$79.56 +0.30 (+0.38%) As of 09:10 AM 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.Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ. 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