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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:CALA NASDAQ:MNKD NASDAQ:OPTN 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 VolumeCALACalithera Biosciences$0.00$0.00$0.00▼$0.00$2K-1.05790 shs1 shsMNKDMannKind$3.09-4.0%$2.74$2.23▼$6.51$954.66M1.046.59 million shs4.96 million shsOPTNOptiNose$9.60$9.57$9.18▼$9.75$97.22M-0.8871,189 shsN/AThe 10 Best High-Yield Dividend Stocks for 2026Discover the 10 Best High-Yield Dividend Stocks for 2026 and secure reliable income in uncertain markets. Download the report now to identify top dividend payers and avoid common yield traps.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceCALACalithera Biosciences0.00%+400.00%+400.00%+150.00%-16.67%MNKDMannKind0.00%-12.22%+12.36%-45.41%-32.39%OPTNOptiNose0.00%0.00%0.00%0.00%+1.91%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeCALACalithera Biosciences$0.00$0.00$0.00▼$0.00$2K-1.05790 shs1 shsMNKDMannKind$3.09-4.0%$2.74$2.23▼$6.51$954.66M1.046.59 million shs4.96 million shsOPTNOptiNose$9.60$9.57$9.18▼$9.75$97.22M-0.8871,189 shsN/AThe 10 Best High-Yield Dividend Stocks for 2026Discover the 10 Best High-Yield Dividend Stocks for 2026 and secure reliable income in uncertain markets. Download the report now to identify top dividend payers and avoid common yield traps.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceCALACalithera Biosciences0.00%+400.00%+400.00%+150.00%-16.67%MNKDMannKind0.00%-12.22%+12.36%-45.41%-32.39%OPTNOptiNose0.00%0.00%0.00%0.00%+1.91%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceCALACalithera Biosciences 0.00N/AN/AN/AMNKDMannKind 2.60Moderate Buy$8.84186.21% UpsideOPTNOptiNose 2.00Hold$9.00-6.25% DownsideCurrent Analyst Ratings BreakdownLatest OPTN, MNKD, and CALA Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/7/2026MNKDMannKind Wells Fargo & CompanySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetOverweight$8.00 ➝ $10.005/7/2026MNKDMannKind HC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetBuy$8.00 ➝ $10.005/7/2026MNKDMannKind Royal Bank Of CanadaSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetSector Perform$3.50 ➝ $4.755/7/2026MNKDMannKind MizuhoSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOutperform$8.00 ➝ $7.004/28/2026MNKDMannKind Wells Fargo & CompanySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetOverweight$7.00 ➝ $8.004/15/2026MNKDMannKind Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeStrong Sell ➝ Hold4/13/2026MNKDMannKind MizuhoSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOutperform$10.00 ➝ $8.003/11/2026MNKDMannKind Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold ➝ Strong Sell3/5/2026MNKDMannKind WedbushSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOutperform$10.00 ➝ $8.003/2/2026MNKDMannKind Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold (C) ➝ Sell (D+)(Data available from 5/17/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookCALACalithera BiosciencesN/AN/AN/AN/AN/AN/AMNKDMannKind$360.78M2.65$0.06 per share49.94($0.19) per share-16.26OPTNOptiNose$81.86M1.19N/AN/A($11.56) per share-0.83Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateCALACalithera Biosciences-$39.65MN/AN/AN/AN/AN/AN/AN/A5/18/2026 (Estimated)MNKDMannKind$5.86M-$0.07N/A20.60N/A-6.63%-11.21%-3.92%8/5/2026 (Estimated)OPTNOptiNose-$35.48M-$3.00N/AN/AN/A-41.16%N/A-27.42%N/ALatest OPTN, MNKD, and CALA EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/6/2026Q1 2026MNKDMannKind-$0.02-$0.05-$0.03-$0.05$105.38 million$90.17 million2/26/2026Q4 2025MNKDMannKind-$0.01-$0.05-$0.04-$0.05$99.85 million$111.96 millionCompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthCALACalithera BiosciencesN/AN/AN/AN/AN/AMNKDMannKindN/AN/AN/AN/AN/AOPTNOptiNoseN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioCALACalithera BiosciencesN/AN/AN/AMNKDMannKindN/A1.871.50OPTNOptiNoseN/A0.790.72Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipCALACalithera BiosciencesN/AMNKDMannKind49.55%OPTNOptiNose85.60%Insider OwnershipCompanyInsider OwnershipCALACalithera Biosciences6.60%MNKDMannKind2.60%OPTNOptiNose2.30%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableCALACalithera Biosciences603.86 million4.55 millionNot OptionableMNKDMannKind400308.95 million300.92 millionOptionableOPTNOptiNose19010.13 million9.83 millionNot OptionableOPTN, MNKD, and CALA HeadlinesRecent News About These CompaniesParatek Pharmaceuticals Completes Acquisition of Optinose, Creating an Expanded Portfolio of Specialty TherapiesMay 21, 2025 | finance.yahoo.comOptinose Stockholders Approve Merger with ParatekMay 16, 2025 | tipranks.comOptiNose (OPTN) Reports Q1 Loss, Tops Revenue EstimatesMay 14, 2025 | zacks.comOPTINOSE INVESTOR ALERT by the Former Attorney General of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of OptiNose, Inc. - OPTNApril 29, 2025 | businesswire.comOptinose Reports 2024 Financial Results, Highlights Prescription Growth and First Operational IncomeMarch 28, 2025 | msn.comOptinose reports Q4 EPS (3c) vs ($1.33) last yearMarch 27, 2025 | markets.businessinsider.comOptinose Reports Fourth Quarter and Full Year 2024 Financial Results and Recent Operational HighlightsMarch 26, 2025 | markets.businessinsider.comOptiNose (OPTN) Reports Q4 Loss, Tops Revenue EstimatesMarch 26, 2025 | zacks.comSHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates GB, RDFN, PRA, OPTN on Behalf of ShareholdersMarch 25, 2025 | morningstar.comMWall Street Analysts Believe OptiNose (OPTN) Could Rally 143.06%: Here's is How to TradeMarch 24, 2025 | zacks.comOptinose downgraded to Neutral from Buy at H.C. WainwrightMarch 22, 2025 | markets.businessinsider.comOPTINOSE INVESTOR ALERT by the Former Attorney General of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of OptiNose, Inc. - OPTNMarch 21, 2025 | businesswire.comOPTN Stock Soars 53% on Inking $330M Deal to be Acquired by ParatekMarch 21, 2025 | zacks.comOptinose downgraded to Neutral from Overweight at Piper SandlerMarch 21, 2025 | markets.businessinsider.comOptinose downgraded to Hold from Buy at Lake StreetMarch 21, 2025 | markets.businessinsider.comLake Street Downgrades OptiNose (OPTN)March 21, 2025 | msn.comWhy OptiNose Inc. (OPTN) Surged On Thursday?March 21, 2025 | msn.comSHAREHOLDER INVESTIGATION: Halper Sadeh LLC Investigates BECN and OPTN on Behalf of ShareholdersMarch 21, 2025 | globenewswire.com$HAREHOLDER ALERT: The M&A Class Action Firm Investigates the Merger of OptiNose, Inc. - OPTNMarch 20, 2025 | gurufocus.com$HAREHOLDER ALERT: The M&A Class Action Firm Investigates the Merger of OptiNose, Inc. - OPTNMarch 20, 2025 | prnewswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeOPTN, MNKD, and CALA Company DescriptionsCalithera Biosciences NASDAQ:CALA$0.0005 0.00 (0.00%) As of 05/15/2026Calithera Biosciences, Inc. operates under a plan of liquidation that was approved in January 2023. Previously, the company was engaged in the clinical stage precision oncology biopharmaceutical business. Calithera Biosciences, Inc. was incorporated in 2010 and is headquartered in South San Francisco, California.MannKind NASDAQ:MNKD$3.09 -0.13 (-4.04%) Closing price 05/15/2026 04:00 PM EasternExtended Trading$3.09 +0.00 (+0.10%) As of 05/15/2026 07:59 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 Massive. Learn more.MannKind Corporation, a biopharmaceutical company, focuses on the development and commercialization of inhaled therapeutic products for endocrine and orphan lung diseases in the United States. It offers Afrezza, an inhaled insulin used to improve glycemic control in adults with diabetes, and the V-Go wearable insulin delivery device, which provides continuous subcutaneous infusion of insulin in adults. The company's product pipeline also includes Tyvaso DPI (Treprostinil), an inhalation powder for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease; MNKD-101, a nebulized formulation of clofazimine, for the treatment of severe chronic and recurrent pulmonary infections, including nontuberculous mycobacterial lung disease; MNKD-201, a dry-powder formulation of nintedanib, for the treatment of idiopathic pulmonary fibrosis (IPF). In addition, it has collaboration and license agreement with United Therapeutics Corporation for development, regulatory, and commercial activities of Tyvaso DPI; co-promotion agreement with Vertice Pharma to promote Thyquidity; and collaboration agreement with Thirona to evaluate the therapeutic for the treatment of pulmonary fibrosis. Further, the company has supply and distribution agreement with Biomm S.A. for the commercialization of Afrezza in Brazil; and license and distribution agreement with Cipla Ltd. for the marketing and distribution of Afrezza in India. MannKind Corporation was incorporated in 1991 and is headquartered in Danbury, Connecticut.OptiNose NASDAQ:OPTNOptiNose, Inc., a specialty pharmaceutical company, focuses on the development and commercialization of products for patients treated by ear, nose, throat, and allergy specialists in the United States. The company offers XHANCE, a therapeutic product utilizing its proprietary exhalation delivery system (EDS) that delivers a topically acting corticosteroid for the treatment of chronic rhinosinusitis with nasal polyps, as well as is in Phase IIIb clinical trial for treatment of chronic sinusitis; and Onzetra Xsail, a powder EDS device. It has a license agreement with Currax Pharmaceuticals LLC for the commercialization of Onzetra Xsail. The company was founded in 2000 and is headquartered in Yardley, Pennsylvania. 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