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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 NYSE:BHC NASDAQ:HCM NASDAQ:PRTA NASDAQ:ZLAB 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 VolumeBHCBausch Health Cos$5.38+2.2%$5.47$4.67▼$8.69$1.97B0.41.73 million shs1.84 million shsHCMHUTCHMED$10.87-2.7%$13.48$10.71▼$19.50$1.95B0.2654,242 shs120,950 shsPRTAProthena$8.79-5.0%$10.12$4.95▼$11.80$484.27M-0.25551,286 shs656,307 shsZLABZai Lab$16.62-4.2%$20.15$15.96▼$44.34$1.97B0.78821,549 shs1.69 million shs(Almost) Everything You Need To Know About The EV MarketLooking to profit from the electric vehicle mega-trend? Click the link to see our list of which EV stocks show the most long-term potential.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBHCBausch Health Cos+5.85%-3.25%-7.09%-2.69%+13.04%HCMHUTCHMED-1.24%-0.53%-16.02%-19.35%-26.99%PRTAProthena+3.70%-7.31%-17.34%-3.55%+89.55%ZLABZai Lab+0.99%-6.17%-17.35%-11.26%-51.94%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeBHCBausch Health Cos$5.38+2.2%$5.47$4.67▼$8.69$1.97B0.41.73 million shs1.84 million shsHCMHUTCHMED$10.87-2.7%$13.48$10.71▼$19.50$1.95B0.2654,242 shs120,950 shsPRTAProthena$8.79-5.0%$10.12$4.95▼$11.80$484.27M-0.25551,286 shs656,307 shsZLABZai Lab$16.62-4.2%$20.15$15.96▼$44.34$1.97B0.78821,549 shs1.69 million shs(Almost) Everything You Need To Know About The EV MarketLooking to profit from the electric vehicle mega-trend? Click the link to see our list of which EV stocks show the most long-term potential.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBHCBausch Health Cos+5.85%-3.25%-7.09%-2.69%+13.04%HCMHUTCHMED-1.24%-0.53%-16.02%-19.35%-26.99%PRTAProthena+3.70%-7.31%-17.34%-3.55%+89.55%ZLABZai Lab+0.99%-6.17%-17.35%-11.26%-51.94%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceBHCBausch Health Cos 1.80Reduce$8.0048.84% UpsideHCMHUTCHMED 2.40Hold$16.8054.34% UpsidePRTAProthena 2.63Moderate Buy$23.75170.75% UpsideZLABZai Lab 2.63Moderate Buy$45.83176.77% UpsideCurrent Analyst Ratings BreakdownLatest PRTA, ZLAB, BHC, and HCM Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails6/2/2026PRTAProthena Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeSell (D-) ➝ Sell (E+)5/28/2026HCMHUTCHMED Morgan StanleySubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingSet Price Target$13.605/22/2026ZLABZai Lab Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeSell (E+) ➝ Sell (D-)5/14/2026PRTAProthena Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeSell (E+) ➝ Sell (D-)5/11/2026ZLABZai Lab Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeSell (D-) ➝ Sell (E+)5/8/2026PRTAProthena CitigroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingOutperform5/8/2026PRTAProthena Citizens JmpSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetMarket Outperform$19.00 ➝ $20.005/8/2026ZLABZai Lab CitigroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetBuy$47.00 ➝ $44.005/4/2026BHCBausch Health Cos Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeSell (D) ➝ Sell (D-)5/1/2026HCMHUTCHMED Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold (C) ➝ Hold (C-)4/27/2026PRTAProthena Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeSell (D-) ➝ Sell (E+)(Data available from 6/5/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookBHCBausch Health Cos$10.53B0.19$7.90 per share0.68$1.02 per share5.27HCMHUTCHMED$548.51M3.46$2.59 per share4.20$7.17 per share1.52PRTAProthena$9.68M47.44N/AN/A$5.21 per share1.68ZLABZai Lab$453.28M4.14N/AN/A$6.39 per share2.59Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateBHCBausch Health Cos$157M-$3.24N/A1.42N/A-11.47%-2,922.77%5.63%7/29/2026 (Estimated)HCMHUTCHMED$456.91MN/AN/A18.77N/AN/AN/AN/A8/3/2026 (Estimated)PRTAProthena-$244.09M-$2.82N/AN/A1.43-260.92%-43.44%-36.87%8/3/2026 (Estimated)ZLABZai Lab-$175.54M-$1.62N/AN/AN/A-39.29%-24.32%-15.52%8/6/2026 (Estimated)Latest PRTA, ZLAB, BHC, and HCM EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/7/2026Q1 2026PRTAProthena-$0.31$0.60+$0.91$0.60$0.81 million$51.08 million5/7/2026Q1 2026ZLABZai Lab-$0.5262-$0.46+$0.0662-$0.50$108.43 million$99.61 million4/29/2026Q1 2026BHCBausch Health Cos$0.81$0.78-$0.03-$3.76$2.37 billion$2.46 billion4/1/2026Q1 2026ZLABZai LabN/A-$0.50N/A-$0.50N/A$99.61 million3/6/2026H2 2025HCMHUTCHMED$2.50$0.0060-$2.4940N/A$290.50 million$135.42 millionCompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthBHCBausch Health CosN/AN/AN/AN/AN/AHCMHUTCHMEDN/AN/AN/AN/AN/APRTAProthenaN/AN/AN/AN/AN/AZLABZai LabN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioBHCBausch Health Cos54.681.320.97HCMHUTCHMED0.054.964.83PRTAProthenaN/A10.4310.43ZLABZai LabN/A2.402.19Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipBHCBausch Health Cos78.65%HCMHUTCHMED8.82%PRTAProthena97.08%ZLABZai Lab41.65%Insider OwnershipCompanyInsider OwnershipBHCBausch Health Cos20.67%HCMHUTCHMED3.60%PRTAProthena10.40%ZLABZai Lab4.88%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableBHCBausch Health Cos20,300373.81 million296.55 millionOptionableHCMHUTCHMED1,796174.47 million168.19 millionNot OptionablePRTAProthena13052.35 million46.91 millionOptionableZLABZai Lab1,784113.41 million107.88 millionOptionablePRTA, ZLAB, BHC, and HCM HeadlinesRecent News About These Companies5 Stocks That Have the Potential to Rise 1000%June 5 at 12:52 PM | insidermonkey.comZai Lab (ZLAB) Q1 2026 Earnings TranscriptJune 2 at 2:29 AM | fool.comHead-To-Head Survey: Zai Lab (NASDAQ:ZLAB) and Helix Biopharma (OTCMKTS:HBPCF)May 31, 2026 | americanbankingnews.comZai Lab announces departure of president and COO Josh SmileyMay 22, 2026 | msn.comZai Lab announces departure of president and COO Josh SmileyMay 22, 2026 | msn.comZai Lab Announces Changes to Senior Leadership TeamMay 21, 2026 | businesswire.comZai Lab (NASDAQ:ZLAB) CEO Ying Du Sells 50,000 SharesMay 16, 2026 | insidertrades.comZai Lab: A Speculative Bet On Global Oncology, With A Greater China Bag AttachedMay 14, 2026 | seekingalpha.comZai Lab Limited 2026 Q1 - Results - Earnings Call PresentationMay 11, 2026 | seekingalpha.comZai Lab Limited (NASDAQ:ZLAB) Analysts Are Cutting Their Estimates: Here's What You Need To KnowMay 11, 2026 | finance.yahoo.comZai Lab wins FDA fast track status for cancer drug Zocilurtatug PelitecanMay 11, 2026 | msn.comZai Lab Receives U.S. FDA Fast Track Designation for Zocilurtatug Pelitecan (Zoci), a DLL3-Targeting ADC, for Treatment of Extrapulmonary Neuroendocrine Carcinomas (epNECs)May 11, 2026 | businesswire.comZai Lab Q1 Earnings Call HighlightsMay 9, 2026 | marketbeat.comZai Lab (NASDAQ:ZLAB) Given New $44.00 Price Target at CitigroupMay 8, 2026 | marketbeat.comZai Lab Limited (ZLAB) Q1 2026 Earnings Call TranscriptMay 7, 2026 | seekingalpha.comZai Lab (NASDAQ:ZLAB) Issues Quarterly Earnings ResultsMay 7, 2026 | marketbeat.comZai Lab Limited (ZLAB) Reports Q1 Earnings: What Key Metrics Have to SayMay 7, 2026 | zacks.comZai Lab Announces First Quarter 2026 Financial Results and Recent Corporate UpdatesMay 7, 2026 | finance.yahoo.comAssessing Zai Lab (ZLAB) Valuation After Recent Share Price Momentum And Analyst Target ResetApril 29, 2026 | finance.yahoo.comZai Lab Limited (ZLAB) Discusses Intracranial Activity of a New Therapy in Small Cell Lung Cancer With Brain Metastases - SlideshowApril 22, 2026 | seekingalpha.comZai Lab to Announce First Quarter 2026 Financial Results and Recent Corporate Updates on May 7, 2026April 22, 2026 | businesswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimePRTA, ZLAB, BHC, and HCM Company DescriptionsBausch Health Cos NYSE:BHC$5.38 +0.12 (+2.19%) Closing price 03:59 PM EasternExtended Trading$5.34 -0.04 (-0.65%) As of 07:49 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.Bausch Health Companies Inc. operates as a diversified specialty pharmaceutical and medical device company in the United States and internationally. It develops, manufactures, and markets a range of products primarily in gastroenterology, hepatology, neurology, dermatology, international pharmaceuticals, over-the-counter (OTC) products, aesthetic medical devices, and eye health. The company operates through five segments: Salix, International, Solta Medical, Diversified, and Bausch + Lomb. The Salix segment provides gastroenterology products in the United States. The International segment sells aesthetic medical devices, branded pharmaceuticals, generic pharmaceuticals, and OTC products internationally. The Solta Medical segment engages in the sale of aesthetic medical devices. The Diversified segment offers pharmaceutical products in the areas of neurology and certain other therapeutic classes; generic products; ortho dermatologic; and dentistry products in the United States. The Bausch + Lomb segment offers products in the areas of vision care, surgical, and ophthalmic pharmaceuticals products. The company was formerly known as Valeant Pharmaceuticals International, Inc. and changed its name to Bausch Health Companies Inc. in July 2018. Bausch Health Companies Inc. is headquartered in Laval, Canada.HUTCHMED NASDAQ:HCM$10.87 -0.30 (-2.69%) Closing price 04:00 PM EasternExtended Trading$10.86 -0.01 (-0.09%) As of 06:30 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.HUTCHMED (China) Ltd. is a holding company, which engages in the research and development, manufacture, and sale of pharmaceuticals and health-oriented consumer products. It operates through the Oncology/Immunology and Other Ventures segments. The Oncology/Immunology segment includes the discovery, development, and commercialization of targeted therapies and immunotherapies for the treatment of cancer and immunological diseases. The Other Ventures segment involves the other commercial businesses which include the sales, marketing, manufacture, and distribution of prescription drugs and healthcare products. The company was founded on December 18, 2000 and is headquartered in Hong Kong.Prothena NASDAQ:PRTA$8.79 -0.46 (-4.97%) Closing price 04:00 PM EasternExtended Trading$8.78 -0.01 (-0.11%) As of 04:54 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.Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation in the United States. The company is involved in developing birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, for the treatment of Parkinson's disease and other related synucleinopathies which is in Phase IIb clinical trial; NNC6019 that is in Phase lI clinical trial for the treatment of ATTR amyloidosis; and BMS-986446 and PRX012, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX123, a dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease; and PRX019 for the treatment of neurogenerative diseases, as well as TDP-43 for the treatment of amyotrophic lateral sclerosis. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target a-synuclein, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. The company was incorporated in 2012 and is based in Dublin, Ireland.Zai Lab NASDAQ:ZLAB$16.62 -0.72 (-4.15%) Closing price 04:00 PM EasternExtended Trading$16.40 -0.22 (-1.34%) As of 06:41 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.Zai Lab Limited develops and commercializes therapies to treat oncology, autoimmune disorders, infectious diseases, and neuroscience. Its commercial products include Zejula, an orally administered poly polymerase 1/2 inhibitor; Optune, a cancer therapy that uses electric fields tuned to specific frequencies to kill tumor cells; NUZYRA for acute bacterial skin and skin structure infections, and community acquired bacterial pneumonia; Qinlock to treat gastrointestinal stromal tumors, and VYVGART, a human IgG1 antibody fragment for myesthenia gravis. The company also develops Tumor Treating Fields, a portable device for delivery of electric fields; Repotrectinib, a tyrosine kinase inhibitor (TKI) to target ROS1 and TRK A/B/C in TKI-naïve- or -pretreated cancer patients; Tisotumab vedotin, an antibody drug conjugate; Adagrasib for treating KRAS-G12C-mutated NSCLC, colorectal cancer, and pancreatic cancer; and Bemarituzumab to treat gastric and gastroesophageal junction cancer patients. In addition, it develops Sulbactam/durlobactam, a combination of a beta-lactam antibiotic and a beta-lactamase inhibitor for the treatment of serious infections caused by Acinetobacter; KarXT for the treatment of psychiatric and neurological conditions. It has license and collaboration agreement with Tesaro, Inc. to develop, manufacture, and commercialize niraparib; NovoCure to develop and commercialize Tumor Treating Fields; Deciphera to develop and commercialize ripretinib; Paratek Bermuda Ltd. to develop, manufacture, and commercialize omadacycline; argenx, to develop and commercialize efgartigimod; BMS to develop and commercialize tisotumab vedotin and repotrectinib; Mirati to research, develop, manufacture, and commercialize adagrasib; Amgen to develop and commercialize bemarituzumab; and Innoviva to develop and commercialize Sulbactam-Durlobactam; Karuna to develop and commercialize KarXT. The company was incorporated in 2013 and is headquartered in Shanghai, China. 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