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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:BCLI NASDAQ:CSBR NASDAQ:LJPC NASDAQ:PRTA 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 VolumeBCLIBrainstorm Cell Therapeutics$0.70-1.6%$0.69$0.52▼$3.78$7.71M0.15532,072 shs12,038 shsCSBRChampions Oncology$6.40-33.8%$10.15$3.60▼$11.99$86.80M0.5138,678 shs32,633 shsLJPCLa Jolla Pharmaceutical$5.73$3.07▼$6.24$155.11M2.39158,476 shs66,708 shsPRTAProthena$9.76+3.7%$8.02$4.32▼$19.96$506.54M-0.04746,895 shs946,500 shsOptions Trading Made Easy - Download NowLearn the basics of options trading and how to use them to boost returns and manage risk with this free report from MarketBeat. Click the link below to get your free copy.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBCLIBrainstorm Cell Therapeutics0.00%+1.50%-6.46%-36.61%-78.73%CSBRChampions Oncology0.00%-3.35%-5.29%-13.72%+34.53%LJPCLa Jolla Pharmaceutical0.00%0.00%0.00%0.00%0.00%PRTAProthena0.00%+16.60%+14.76%+55.02%-53.07%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeBCLIBrainstorm Cell Therapeutics$0.70-1.6%$0.69$0.52▼$3.78$7.71M0.15532,072 shs12,038 shsCSBRChampions Oncology$6.40-33.8%$10.15$3.60▼$11.99$86.80M0.5138,678 shs32,633 shsLJPCLa Jolla Pharmaceutical$5.73$3.07▼$6.24$155.11M2.39158,476 shs66,708 shsPRTAProthena$9.76+3.7%$8.02$4.32▼$19.96$506.54M-0.04746,895 shs946,500 shsOptions Trading Made Easy - Download NowLearn the basics of options trading and how to use them to boost returns and manage risk with this free report from MarketBeat. Click the link below to get your free copy.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBCLIBrainstorm Cell Therapeutics0.00%+1.50%-6.46%-36.61%-78.73%CSBRChampions Oncology0.00%-3.35%-5.29%-13.72%+34.53%LJPCLa Jolla Pharmaceutical0.00%0.00%0.00%0.00%0.00%PRTAProthena0.00%+16.60%+14.76%+55.02%-53.07%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceBCLIBrainstorm Cell Therapeutics 2.00HoldN/AN/ACSBRChampions Oncology 3.00Buy$12.0087.38% UpsideLJPCLa Jolla Pharmaceutical 0.00N/AN/AN/APRTAProthena 2.33Hold$19.75102.36% UpsideCurrent Analyst Ratings BreakdownLatest BCLI, LJPC, CSBR, and PRTA Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails9/2/2025PRTAProthenaJMP SecuritiesSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetMarket Outperform$29.00 ➝ $11.008/28/2025PRTAProthenaPiper SandlerSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOverweight$81.00 ➝ $15.008/28/2025PRTAProthenaChardan CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$18.008/5/2025PRTAProthenaRoyal Bank Of CanadaSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetSector Perform$18.00 ➝ $10.008/5/2025PRTAProthenaHC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$14.008/5/2025PRTAProthenaChardan CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingBuy$18.007/23/2025BCLIBrainstorm Cell TherapeuticsMaxim GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeStrong-Buy ➝ Hold(Data available from 9/29/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookBCLIBrainstorm Cell TherapeuticsN/AN/AN/AN/A($1.36) per shareN/ACSBRChampions Oncology$56.94M1.55$0.47 per share13.74$0.27 per share23.72LJPCLa Jolla Pharmaceutical$75.72M0.00N/A7.95($2.94) per share0.00PRTAProthena$135.16M3.89N/AN/A$9.05 per share1.08Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateBCLIBrainstorm Cell Therapeutics-$11.62M-$3.10N/AN/AN/AN/AN/A-519.50%11/13/2025 (Estimated)CSBRChampions Oncology$4.70M-$0.0631.50∞N/A5.19%87.76%9.95%N/ALJPCLa Jolla Pharmaceutical$19.66M$0.1251.840.00N/A8.54%-5.46%4.00%N/APRTAProthena-$122.31M-$5.64N/AN/AN/A-2,929.30%-62.17%-54.43%11/11/2025 (Estimated)Latest BCLI, LJPC, CSBR, and PRTA EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails9/15/2025Q1 2026CSBRChampions OncologyN/A-$0.03N/A-$0.03N/A$13.99 million8/4/2025Q2 2025PRTAProthena-$1.11-$1.86-$0.75-$2.34$5.36 million$4.42 million7/23/2025Q4 2025CSBRChampions OncologyN/A-$0.13N/A-$0.13N/A$12.35 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthBCLIBrainstorm Cell TherapeuticsN/AN/AN/AN/AN/ACSBRChampions OncologyN/AN/AN/AN/AN/ALJPCLa Jolla PharmaceuticalN/AN/AN/AN/AN/APRTAProthenaN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioBCLIBrainstorm Cell TherapeuticsN/A0.210.21CSBRChampions OncologyN/A0.930.93LJPCLa Jolla PharmaceuticalN/A4.023.52PRTAProthenaN/A5.685.68Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipBCLIBrainstorm Cell Therapeutics14.33%CSBRChampions Oncology41.30%LJPCLa Jolla Pharmaceutical97.06%PRTAProthena97.08%Insider OwnershipCompanyInsider OwnershipBCLIBrainstorm Cell Therapeutics11.15%CSBRChampions Oncology46.40%LJPCLa Jolla Pharmaceutical36.30%PRTAProthena9.20%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableBCLIBrainstorm Cell Therapeutics4011.04 million8.74 millionOptionableCSBRChampions Oncology14313.78 million7.38 millionOptionableLJPCLa Jolla Pharmaceutical6124.94 million15.89 millionOptionablePRTAProthena13053.83 million48.88 millionOptionableBCLI, LJPC, CSBR, and PRTA HeadlinesRecent News About These CompaniesProthena (NASDAQ:PRTA) Stock Price Passes Below 200 Day Moving Average - Should You Sell?September 23, 2025 | marketbeat.comGoldman Sachs Group Inc. Decreases Position in Prothena Corporation plc $PRTASeptember 16, 2025 | marketbeat.comWhat is Zacks Research's Estimate for Prothena Q1 Earnings?September 16, 2025 | marketbeat.comSiren L.L.C. Grows Stock Holdings in Prothena Corporation plc $PRTASeptember 13, 2025 | marketbeat.comProthena Down 40% Year to Date: What Lies Ahead for the Stock?September 11, 2025 | zacks.comProthena Corporation plc (NASDAQ:PRTA) Receives Consensus Recommendation of "Hold" from BrokeragesSeptember 9, 2025 | marketbeat.comRafferty Asset Management LLC Decreases Stake in Prothena Corporation plc $PRTASeptember 5, 2025 | marketbeat.comJMP Securities Lowers Prothena (NASDAQ:PRTA) Price Target to $11.00September 4, 2025 | marketbeat.comProthena Corporation plc $PRTA Stake Lowered by Palo Alto Investors LPSeptember 4, 2025 | marketbeat.comProthena (PRTA) Up 17.6% Since Last Earnings Report: Can It Continue?September 3, 2025 | zacks.comArmistice Capital LLC Sells 40,000 Shares of Prothena Corporation plc $PRTASeptember 2, 2025 | marketbeat.comNuveen LLC Acquires Shares of 149,961 Prothena Corporation plc $PRTASeptember 1, 2025 | marketbeat.comSiren L.L.C. Raises Stake in Prothena Corporation plc $PRTAAugust 31, 2025 | marketbeat.comPiper Sandler Has Lowered Expectations for Prothena (NASDAQ:PRTA) Stock PriceAugust 30, 2025 | marketbeat.comProthena's (PRTA) Buy Rating Reiterated at Chardan CapitalAugust 30, 2025 | marketbeat.comPrice T Rowe Associates Inc. MD Decreases Holdings in Prothena Corporation plc $PRTAAugust 30, 2025 | marketbeat.comProthena provides mixed update on PRX012August 30, 2025 | thepharmaletter.comTProthena Corporation plc: Prothena to Participate in the Cantor Fitzgerald Global Healthcare ConferenceAugust 28, 2025 | finanznachrichten.deProthena to Participate in the Cantor Fitzgerald Global Healthcare ConferenceAugust 28, 2025 | businesswire.comProthena Provides Update on PRX012 and Announces Results from the Phase 1 ASCENT Clinical ProgramAugust 27, 2025 | businesswire.comCitizens JMP Remains a Buy on Prothena (PRTA)August 9, 2025 | theglobeandmail.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeBCLI, LJPC, CSBR, and PRTA Company DescriptionsBrainstorm Cell Therapeutics NASDAQ:BCLI$0.70 -0.01 (-1.62%) As of 02:31 PM EasternBrainstorm Cell Therapeutics Inc., a biotechnology company, engages in the development and commercialization of autologous cellular therapies for the treatment of neurodegenerative diseases. The company, through its NurOwn proprietary cell therapy platform, leverages cell culture methods to induce autologous bone marrow-derived mesenchymal stem cells to secrete high levels of neurotrophic factors, modulate neuroinflammatory and neurodegenerative disease processes, promote neuronal survival, and enhance neurological function. It is developing NurOwn, which has completed Phase III clinical trial for the treatment of amyotrophic lateral sclerosis; Phase II clinical trial for the treatment of progressive multiple sclerosis; and for the treatment of alzheimer's disease, as well as for other neurodegenerative diseases. Brainstorm Cell Therapeutics Inc. was incorporated in 2000 and is headquartered in New York, New York.Champions Oncology NASDAQ:CSBRChampions Oncology, Inc. engages in the development and sale of technology solutions and products to personalize the development and use of oncology drugs. Its technology platform, TumorGraft, is a novel approach to personalizing cancer care based upon the implantation of human tumors in immune-deficient mice. It uses its technology to offer solutions to Translational Oncology Solutions, which includes pharmaceutical and biotechnology companies; and Personalized Oncology, which assists physicians in developing personalized treatment options for their cancer patients. The company was founded by James M. Martell and David Sidransky on June 4, 1985 and is headquartered in Hackensack, NJ.La Jolla Pharmaceutical NASDAQ:LJPCLa Jolla Pharmaceutical Company engages in the development and commercialization of therapies that improve outcomes in patients suffering from life-threatening diseases. The company offers GIAPREZA, a vasoconstrictor indicated to increase blood pressure in adults with septic or other distributive shock; and XERAVA, a tetracycline class antibacterial indicated for the treatment of complicated intra-abdominal infections in patients 18 years of age and older. It offers GIAPREZA and XERAVA to hospitals and other healthcare organizations in the United States. Its product candidates that are in early stage clinical or preclinical development include TP-6076, an IV formulation of a fully synthetic fluorocycline derivative for the treatment of certain multidrug-resistant gram-negative bacteria; TP-271, an IV and oral formulation of a fully synthetic fluorocycline for the treatment of respiratory disease caused by bacterial biothreat and antibiotic-resistant public health pathogens, as well as bacterial pathogens associated with community-acquired bacterial pneumonia; and TP-2846, an IV formulation of a tetracycline for the treatment of acute myeloid leukemia. The company has license agreement with Everest Medicines Limited to develop and commercialize XERAVA; and PAION AG to commercialize GIAPREZA and XERAVA. La Jolla Pharmaceutical Company was incorporated in 1989 and is based in Waltham, Massachusetts.Prothena NASDAQ:PRTA$9.76 +0.35 (+3.72%) Closing price 04:00 PM EasternExtended Trading$9.62 -0.14 (-1.38%) As of 06:53 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.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. 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