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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:AMRN NASDAQ:BNTC NASDAQ:IVVD 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 VolumeAMRNAmarin$15.82+0.2%$13.57$7.08▼$17.49$326.96M0.8283,715 shs48,413 shsBNTCBenitec Biopharma$11.04-6.0%$14.01$7.05▼$17.15$308.18M0.3758,543 shs98,440 shsIVVDInvivyd$0.75+3.9%$0.79$0.35▼$2.74$86.58M0.524.56 million shs835,948 shsPRTAProthena$6.26-3.2%$6.02$4.32▼$25.42$348.26M0.01806,224 shs788,135 shs7 Energy Stocks to Buy and Hold ForeverWith the proliferation of data centers and electric vehicles, the electric grid will only get more strained. Download this report to learn how energy stocks can play a role in your portfolio as the global demand for energy continues to grow.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAMRNAmarin-0.38%-8.83%+17.75%+73.33%+1.22%BNTCBenitec Biopharma-0.09%-14.87%-23.96%-14.62%+21.03%IVVDInvivyd+5.07%-3.18%-0.70%+41.51%-42.72%PRTAProthena+2.37%-1.52%+13.51%-29.67%-72.90%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAMRNAmarin0.3553 of 5 stars0.53.00.00.02.80.00.6BNTCBenitec Biopharma1.6839 of 5 stars3.61.00.00.02.80.80.0IVVDInvivyd3.7017 of 5 stars3.64.00.00.03.33.30.6PRTAProthena3.6168 of 5 stars4.24.00.00.01.61.71.3Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAMRNAmarin 1.00Sell$12.00-24.15% DownsideBNTCBenitec Biopharma 3.20Buy$23.83115.88% UpsideIVVDInvivyd 3.25Buy$5.85680.00% UpsidePRTAProthena 2.33Hold$31.50403.19% UpsideCurrent Analyst Ratings BreakdownLatest IVVD, AMRN, PRTA, and BNTC Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails7/7/2025BNTCBenitec BiopharmaTD CowenSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy6/26/2025IVVDInvivydHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$5.006/26/2025IVVDInvivydD. Boral CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$9.006/25/2025AMRNAmarinThe Goldman Sachs GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetSell ➝ Sell$7.00 ➝ $12.006/20/2025PRTAProthenaCantor FitzgeraldSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingNeutral ➝ Neutral5/28/2025IVVDInvivydHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$10.00 ➝ $5.005/28/2025PRTAProthenaBank of AmericaSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingNeutral ➝ Underperform5/27/2025PRTAProthenaPiper SandlerSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetOverweight ➝ Overweight$110.00 ➝ $81.005/27/2025PRTAProthenaJMP SecuritiesSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetMarket Outperform ➝ Market Outperform$78.00 ➝ $29.005/27/2025PRTAProthenaCantor FitzgeraldSubscribe to MarketBeat All Access for the recommendation accuracy ratingDowngradeOverweight ➝ Neutral5/27/2025PRTAProthenaJefferies Financial GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingDowngradeBuy ➝ Hold$6.00(Data available from 7/18/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAMRNAmarin$228.61M1.43N/AN/A$23.62 per share0.67BNTCBenitec Biopharma$80K3,622.50N/AN/A$4.68 per share2.36IVVDInvivyd$25.38M3.54N/AN/A$0.56 per share1.34PRTAProthena$135.16M2.49N/AN/A$9.05 per share0.69Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAMRNAmarin-$82.18M-$3.64N/AN/AN/A-41.07%-17.21%-12.16%7/30/2025 (Estimated)BNTCBenitec Biopharma-$21.75M-$1.51N/AN/AN/AN/A-38.26%-35.71%9/25/2025 (Estimated)IVVDInvivyd-$169.93M-$1.20N/A6.82N/A-389.01%-165.24%-99.71%8/13/2025 (Estimated)PRTAProthena-$122.31M-$2.08N/AN/AN/A-79.94%-21.61%-19.32%8/6/2025 (Estimated)Latest IVVD, AMRN, PRTA, and BNTC EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/14/2025Q2 2025PRTAProthena-$1.06N/AN/AN/AN/AN/A8/13/2025Q2 2025IVVDInvivyd-$0.04N/AN/AN/AN/AN/A7/30/2025Q2 2025AMRNAmarin-$0.60N/AN/AN/A$45.45 millionN/A5/15/2025Q1 2025IVVDInvivyd-$0.04-$0.14-$0.10-$0.14$34.45 million$11.30 million5/14/2025Q3 2025BNTCBenitec Biopharma-$0.36-$0.24+$0.12-$0.24N/AN/A5/8/2025Q1 2025PRTAProthena-$0.92-$1.12-$0.20-$1.12$8.18 million$2.83 million5/7/2025Q1 2025AMRNAmarin-$0.06-$0.04+$0.02-$0.04$50.75 millionN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAMRNAmarinN/AN/AN/AN/AN/ABNTCBenitec BiopharmaN/AN/AN/AN/AN/AIVVDInvivydN/AN/AN/AN/AN/APRTAProthenaN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAMRNAmarinN/A3.532.55BNTCBenitec Biopharma0.0114.8014.80IVVDInvivydN/A1.531.53PRTAProthenaN/A9.009.00Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAMRNAmarin22.25%BNTCBenitec Biopharma52.19%IVVDInvivyd70.36%PRTAProthena97.08%Insider OwnershipCompanyInsider OwnershipAMRNAmarin3.30%BNTCBenitec Biopharma1.30%IVVDInvivyd25.40%PRTAProthena9.20%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAMRNAmarin36020.71 million20.02 millionOptionableBNTCBenitec Biopharma2026.25 million25.91 millionNo DataIVVDInvivyd100119.96 million89.49 millionOptionablePRTAProthena13053.83 million48.88 millionOptionableIVVD, AMRN, PRTA, and BNTC HeadlinesRecent News About These CompaniesProthena (NASDAQ:PRTA) Stock Price Passes Below Two Hundred Day Moving Average - Time to Sell?July 12, 2025 | marketbeat.comPRTA Dives 53.5% YTD: Will the Restructuring Effort Boost Prospects?July 4, 2025 | zacks.comProthena (NASDAQ:PRTA) Stock Price Passes Below 200 Day Moving Average - Should You Sell?July 4, 2025 | marketbeat.comProthena Corporation plc (NASDAQ:PRTA) Given Consensus Rating of "Hold" by AnalystsJune 25, 2025 | marketbeat.comProthena Corp (PRTA) Receives Reiterated Neutral Rating from Cantor Fitzgerald | PRTA Stock NewsJune 20, 2025 | gurufocus.comCantor Fitzgerald Reiterates "Neutral" Rating for Prothena (NASDAQ:PRTA)June 20, 2025 | marketbeat.comRoche’s Phase 3 Move Boosts Outlook for Prothena Corporation plc (PRTA)June 19, 2025 | finance.yahoo.comProthena Announces Corporate RestructuringJune 18, 2025 | finance.yahoo.comProthena (NASDAQ:PRTA) Shares Pass Below 200 Day Moving Average - Time to Sell?June 18, 2025 | marketbeat.comRoche’s Phase 3 Move Boosts Outlook for Prothena Corporation plc (PRTA)June 17, 2025 | msn.comProthena’s Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's DiseaseJune 16, 2025 | uk.finance.yahoo.comProthena's Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's DiseaseJune 16, 2025 | businesswire.comPRTA Prothena Corporation plcJune 7, 2025 | seekingalpha.comPiper Sandler Reduces Prothena (PRTA) Price Target to $81 from $110 Following AFFIRM-AL Trial DiscontinuationMay 30, 2025 | msn.comChardan Lowers Prothena (PRTA) Price Target Following AFFIRM-AL Trial FailureMay 30, 2025 | msn.comH.C. Wainwright Maintains Buy Rating on Prothena Corporation (NASDAQ:PRTA), Cuts PTMay 30, 2025 | insidermonkey.comOppenheimer Downgrades Prothena Corporation (NASDAQ:PRTA) to Perform from OutperformMay 30, 2025 | finance.yahoo.comB of A Securities Downgrades Prothena (PRTA)May 29, 2025 | msn.comJefferies Downgrades Prothena Corporation (PRTA) After Negative Trial ResultsMay 28, 2025 | finance.yahoo.comOppenheimer Downgrades Prothena Corporation (NASDAQ:PRTA) to Perform from OutperformMay 28, 2025 | insidermonkey.comAnalysts Offer Insights on Healthcare Companies: Prothena (PRTA) and Bristol-Myers Squibb (BMY)May 28, 2025 | theglobeandmail.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeIVVD, AMRN, PRTA, and BNTC Company DescriptionsAmarin NASDAQ:AMRN$15.82 +0.03 (+0.19%) Closing price 04:00 PM EasternExtended Trading$15.90 +0.07 (+0.47%) As of 06:56 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.Amarin Corporation plc, a pharmaceutical company, engages in the development and commercialization of therapeutics for the treatment of cardiovascular diseases in the United States, European countries, Canada, Lebanon, and the United Arab Emirates. The company offers VASCEPA, a prescription-only omega-3 fatty acid product, used as an adjunct to diet for reducing triglyceride levels in adult patients with severe hypertriglyceridemia. It sells its products principally to wholesalers and specialty pharmacy providers. The company has a collaboration with Mochida Pharmaceutical Co., Ltd. to develop and commercialize drug products and indications based on the active pharmaceutical ingredient in Vascepa. The company was formerly known as Ethical Holdings plc and changed its name to Amarin Corporation plc in 1999. Amarin Corporation plc was incorporated in 1989 and is headquartered in Dublin, Ireland.Benitec Biopharma NASDAQ:BNTC$11.04 -0.70 (-5.96%) Closing price 04:00 PM EasternExtended Trading$11.06 +0.02 (+0.14%) As of 07:22 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.Benitec Biopharma Inc., a clinical-stage biotechnology company, focuses on the development of novel genetic medicines. The company develops DNA-directed RNA interference-based therapeutics for chronic and life-threatening human conditions. It is developing BB-301, an adeno-associated virus based gene therapy agent for treating oculopharyngeal muscular dystrophy. The company was incorporated in 1995 and is headquartered in Hayward, California.Invivyd NASDAQ:IVVD$0.75 +0.03 (+3.92%) Closing price 04:00 PM EasternExtended Trading$0.74 -0.01 (-1.73%) As of 07:29 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.Invivyd, Inc., a commercial-stage biopharmaceutical company, focuses on the discovery, development, and commercialization of antibody-based solutions for infectious diseases in the United States. The company developed INVYMAB, a platform that combines viral surveillance and predictive modeling with advanced antibody engineering. Its pipeline includes PEMGRADA (pemivibart) injection, a half-life extended investigational monoclonal antibody (mAb) for the prevention of COVID-19 in adults and adolescents; VYD2311, an mAb candidate which is in preclinical studies for the prevention or treatment for COVID-19; and adintrvimab, that is in phase 3 clinical trials for the prevention or treatment of COVID-19. The company also has discovery stage candidates for the prevention of seasonal influenza and COVID-19. It has a collaboration agreement with Adimab, LLC for the discovery and optimization of proprietary antibodies; and the Scripps Research Institute to perform research activities to identify vaccine candidates for the prevention, diagnosis or treatment of influenza or beta coronaviruses. The company was formerly known as Adagio Therapeutics, Inc. and changed its name to Invivyd, Inc. in September 2022. Invivyd, Inc. was incorporated in 2020 and is headquartered in Waltham, Massachusetts.Prothena NASDAQ:PRTA$6.26 -0.21 (-3.25%) Closing price 04:00 PM EasternExtended Trading$6.64 +0.38 (+6.07%) As of 07:33 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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