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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:ASMBNASDAQ:CPIXNASDAQ:NKTRNASDAQ:PRTK 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 VolumeASMBAssembly Biosciences$12.35+0.9%$10.59$7.75▼$19.93$94.33M0.4925,855 shs7,956 shsCPIXCumberland Pharmaceuticals$5.27+12.1%$4.69$1.04▼$7.25$73.61M-0.35860,236 shs89,890 shsNKTRNektar Therapeutics$0.71+21.4%$0.71$0.43▼$1.93$133.03M0.621.84 million shs3.61 million shsPRTKParatek Pharmaceuticals$2.23$2.22$1.29▼$3.65$127.82M1.7724,253 shsN/A2025 Gold Forecast: A Perfect Storm for DemandUnlock the timeless value of gold with our exclusive 2025 Gold Forecasting Report. Explore why gold remains the ultimate investment for safeguarding wealth against inflation, economic shifts, and global uncertainties. Whether you're planning for future generations or seeking a reliable asset in turbulent times, this report is your essential guide to making informed decisions.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceASMBAssembly Biosciences+1.40%-12.60%+36.01%-5.94%-7.84%CPIXCumberland Pharmaceuticals+12.13%+17.90%+29.80%+14.57%+242.21%NKTRNektar Therapeutics+21.42%+4.02%+15.72%+7.78%-59.39%PRTKParatek Pharmaceuticals0.00%0.00%0.00%0.00%0.00%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationASMBAssembly Biosciences3.6223 of 5 stars3.33.00.04.71.80.80.0CPIXCumberland Pharmaceuticals0.9199 of 5 stars0.05.00.00.02.11.70.0NKTRNektar Therapeutics3.9869 of 5 stars3.53.00.04.22.12.50.0PRTKParatek PharmaceuticalsN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceASMBAssembly Biosciences 2.67Moderate Buy$33.00167.21% UpsideCPIXCumberland Pharmaceuticals 0.00N/AN/AN/ANKTRNektar Therapeutics 3.00Buy$4.50529.55% UpsidePRTKParatek Pharmaceuticals 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownLatest PRTK, NKTR, ASMB, and CPIX Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/12/2025NKTRNektar TherapeuticsWilliam BlairSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingMarket Perform4/11/2025NKTRNektar TherapeuticsJefferies Financial GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeHold ➝ Buy$1.00 ➝ $2.003/25/2025ASMBAssembly BiosciencesGuggenheimSubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy$31.003/24/2025ASMBAssembly BiosciencesHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingNeutral ➝ Neutral3/14/2025NKTRNektar TherapeuticsOppenheimerSubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeMarket Perform ➝ Outperform$6.003/13/2025NKTRNektar TherapeuticsWilliam BlairSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingMarket Perform3/13/2025NKTRNektar TherapeuticsHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$6.50 ➝ $6.502/25/2025NKTRNektar TherapeuticsWilliam BlairSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingMarket Perform2/25/2025NKTRNektar TherapeuticsHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$6.50 ➝ $6.50(Data available from 5/13/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookASMBAssembly Biosciences$28.52M3.31N/AN/A$7.50 per share1.65CPIXCumberland Pharmaceuticals$37.87M1.94$0.61 per share8.61$1.96 per share2.69NKTRNektar Therapeutics$98.43M1.35N/AN/A$0.69 per share1.04PRTKParatek Pharmaceuticals$160.27M0.80N/AN/A($3.08) per share-0.72Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateASMBAssembly Biosciences-$61.23M-$6.23N/AN/AN/A-144.05%-121.46%-34.56%5/14/2025 (Estimated)CPIXCumberland Pharmaceuticals-$6.28M-$0.25N/A∞N/A-29.54%-9.50%-3.19%N/ANKTRNektar Therapeutics-$276.06M-$0.64N/AN/AN/A-180.70%-173.28%-46.31%N/APRTKParatek Pharmaceuticals-$63.57M-$1.10N/A∞N/A-35.44%N/A-40.05%N/ALatest PRTK, NKTR, ASMB, and CPIX EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/8/2025Q1 2025ASMBAssembly Biosciences-$2.01-$1.17+$0.84-$1.17$7.41 million$9.42 million5/8/2025Q1 2025NKTRNektar Therapeutics-$0.18-$0.22-$0.04-$0.24$15.61 million$10.46 million5/6/2025Q1 2025CPIXCumberland PharmaceuticalsN/A$0.15N/A$0.08N/AN/A3/20/2025Q4 2024ASMBAssembly Biosciences-$1.75-$1.57+$0.18-$1.57$7.05 million$7.36 million3/12/2025Q4 2024NKTRNektar Therapeutics-$0.18$0.15+$0.33$0.03$36.65 million$29.18 million3/4/2025Q4 2024CPIXCumberland PharmaceuticalsN/A-$0.03N/A-$0.14N/A$10.44 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthASMBAssembly BiosciencesN/AN/AN/AN/AN/ACPIXCumberland PharmaceuticalsN/AN/AN/AN/AN/ANKTRNektar TherapeuticsN/AN/AN/AN/AN/APRTKParatek PharmaceuticalsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioASMBAssembly BiosciencesN/A2.362.36CPIXCumberland Pharmaceuticals0.411.130.99NKTRNektar TherapeuticsN/A4.244.24PRTKParatek PharmaceuticalsN/A0.520.46Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipASMBAssembly Biosciences19.92%CPIXCumberland Pharmaceuticals15.51%NKTRNektar Therapeutics75.88%PRTKParatek Pharmaceuticals53.60%Insider OwnershipCompanyInsider OwnershipASMBAssembly Biosciences5.30%CPIXCumberland Pharmaceuticals44.85%NKTRNektar Therapeutics5.25%PRTKParatek Pharmaceuticals8.00%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableASMBAssembly Biosciences1007.64 million6.03 millionOptionableCPIXCumberland Pharmaceuticals8013.97 million7.96 millionOptionableNKTRNektar Therapeutics220186.10 million177.62 millionOptionablePRTKParatek Pharmaceuticals26857.32 million52.74 millionOptionablePRTK, NKTR, ASMB, and CPIX HeadlinesRecent News About These CompaniesHow a Bucks County firm's multiyear pursuit of a partner led to a potential $330M dealApril 11, 2025 | bizjournals.comParatek Pharmaceuticals to Present New Data on NUZYRA® (omadacycline) at ESCMID Global 2025April 10, 2025 | globenewswire.comParatek acquires Optinose, rhinosinusitis spray Xhance in deal worth up to $330MMarch 21, 2025 | fiercepharma.comParatek Pharmaceuticals to acquire Optinose in $330M transactionMarch 21, 2025 | markets.businessinsider.comParatek boosts commercial portfolio in move to buy Optinose and its nasal sprayMarch 20, 2025 | endpts.comOptinose Shares Surge Premarket on Takeover Deal With ParatekMarch 20, 2025 | marketwatch.comParatek Pharmaceuticals Announces Completion of U.S. Onshoring Program, Making NUZYRA® (omadacycline) the Only Novel Antibiotic with Domestic Supply and Manufacturing CapabilitiesNovember 14, 2024 | globenewswire.comParatek Pharmaceuticals Announces Positive Top-Line Data from Phase 2b Study of Oral ...November 9, 2024 | eagletribune.comParatek Pharmaceuticals Announces Positive Top-Line Data from Phase 2b Study of Oral Omadacycline (OMC) in Nontuberculous Mycobacterial (NTM) Abscessus Pulmonary DiseaseNovember 8, 2024 | globenewswire.comParatek Pharmaceuticals Announces Presentation of Several New Studies of NUZYRA® (omadacycline) Across a Range of Serious Infections at IDWeek 2024October 14, 2024 | globenewswire.comParatek Pharmaceuticals Completes Five-Year Microbiologic Surveillance Study of NUZYRA® (omadacycline) Demonstrating No Change in In Vitro Potency Against Indicated PathogensJuly 31, 2024 | globenewswire.comParatek looks to bolster pneumonia antibiotic Nuzyra with win in post-marketing studyJuly 19, 2024 | fiercepharma.comParatek Pharmaceuticals Announces Positive Top-line Efficacy and Safety Data from Post-Marketing Study of NUZYRA® (omadacycline) for Patients with Moderate to Severe Community-Acquired Bacterial PneumoniaJuly 18, 2024 | globenewswire.comPharmaceuticals / Health Products SummaryApril 4, 2024 | opensecrets.orgParatek Reports Positive Data For Nuzyra As Post-exposure Prophylaxis Of Pulmonary Anthrax In NHPsMarch 5, 2024 | markets.businessinsider.comMira Pharmaceuticals Stock (NASDAQ:MIRA) Dividends: History, Yield and DatesFebruary 24, 2024 | benzinga.comParatek Pharmaceuticals to Present NUZYRA Data at IDWeek 2023October 5, 2023 | finance.yahoo.comPRTK Stock Sees Surge of Approximately 1.36% in Last Five DaysSeptember 21, 2023 | knoxdaily.comNovo Holdings closes $462 mln acquisition of Paratek PharmaceuticalsSeptember 21, 2023 | finance.yahoo.comGurnet Point Capital and Novo Holdings A/S Complete Acquisition of Paratek Pharmaceuticals, Inc.September 21, 2023 | finance.yahoo.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimePRTK, NKTR, ASMB, and CPIX Company DescriptionsAssembly Biosciences NASDAQ:ASMB$12.35 +0.11 (+0.90%) Closing price 05/12/2025 04:00 PM EasternExtended Trading$12.34 -0.01 (-0.12%) As of 05/12/2025 04:05 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.Assembly Biosciences, Inc., a biotechnology company, develops therapeutic candidates for the treatment of viral diseases. It develops ABI-5366, a long-acting herpes simplex virus (HSV) helicase-primase inhibitor that is in Phase 1a/1b clinical trial to treat recurrent genital herpes; ABI-1179, which is in Phase 1a/1b clinical trial for the treatment of recurrent genital herpes; and ABI-6250, a small molecule orally bioavailable hepatitis delta virus entry inhibitor that is in Phase 1a clinical trial. The company also develops ABI-4334, a next-generation capsid assembly modulator, which is in Phase 1b clinical trial for the treatment of hepatitis B virus (HBV). In addition, it develops an oral non-nucleoside polymerase inhibitor targeting transplant-related herpesviruses; and a small molecule interferon-a receptor agonist targeting HBV and HDV. The company has collaboration agreements with Gilead Sciences, Inc. and BeiGene, Ltd. The company was formerly known as Ventrus Biosciences, Inc. and changed its name to Assembly Biosciences, Inc. in June 2014. Assembly Biosciences, Inc. was incorporated in 2005 and is headquartered in South San Francisco, California.Cumberland Pharmaceuticals NASDAQ:CPIX$5.27 +0.57 (+12.13%) Closing price 05/12/2025 04:00 PM EasternExtended Trading$5.44 +0.17 (+3.13%) As of 07:35 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.Cumberland Pharmaceuticals Inc., a specialty pharmaceutical company, focuses on the acquisition, development, and commercialization of prescription products for hospital acute care, gastroenterology, and oncology in the United States and internationally. The company offers Acetadote, an injection for the treatment of acetaminophen poisoning; Caldolor, an injection for the treatment of pain and fever; Kristalose, a prescription laxative oral solution for the treatment of constipation; Omeclamox-Pak for the treatment of Helicobacter pylori infection and duodenal ulcer disease; Vaprisol, an injection for treating euvolemic and hypervolemic hyponatremia; Sancuso, an injection for the treatment of chemotherapy treatment; and Vibativ, an injection for the treatment of certain serious bacterial infections, including hospital-acquired and ventilator-associated bacterial pneumonia, as well as complicated skin and skin structure infections. It develops RediTrex injection for the treatment of active rheumatoid, juvenile idiopathic, and severe psoriatic arthritis, as well as disabling psoriasis. In addition, the company is developing ifetroban, a product candidate that is in phase II clinical trial for the treatment of aspirin-exacerbated respiratory disease, systemic sclerosis, and duchenne muscular dystrophy; and has completed phase II clinical trial for the treatment of hepatorenal syndrome and portal hypertension. Further, it develops a clinical program for the use of ifetroban to treat progressive fibrosing interstitial lung diseases. The company was incorporated in 1999 and is headquartered in Nashville, Tennessee.Nektar Therapeutics NASDAQ:NKTR$0.71 +0.13 (+21.42%) Closing price 05/12/2025 04:00 PM EasternExtended Trading$0.74 +0.03 (+3.53%) As of 05/12/2025 07:39 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.Nektar Therapeutics, a biopharmaceutical company, focuses on discovering and developing medicines in the field of immunotherapy in the United States and internationally. The company is developing rezpegaldesleukin, a cytokine Treg stimulant that is in phase 2 clinical trial for the treatment of systemic lupus erythematosus and ulcerative colitis, as well as phase 2b clinical trial to treat atopic dermatitis and psoriasis; and NKTR-255, an IL-15 receptor agonist, which is in phase 1 clinical trial to boost the immune system's natural ability to fight cancer. It has collaboration agreements with Takeda Pharmaceutical Company Ltd.; AstraZeneca AB; UCB Pharma S.A.; F. Hoffmann-La Roche Ltd; Bausch Health Companies Inc.; Pfizer Inc.; Amgen Inc.; UCB Pharma (Biogen); Bristol-Myers Squibb Company; Merck KGaA; and SFJ Pharmaceuticals, Inc. The company was incorporated in 1990 and is headquartered in San Francisco, California.Paratek Pharmaceuticals NASDAQ:PRTKParatek Pharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the development and commercialization of life-saving therapies for life-threatening diseases or other public health threats for civilian, government, and military use. Its products include NUZYRA, a once-daily oral and intravenous broad-spectrum antibiotic for the treatment of adult patients with community-acquired bacterial pneumonia, and acute skin and skin structure infections caused by susceptible pathogens; and SEYSARA, a once-daily oral therapy for the treatment of moderate to severe acne vulgaris. The company has license and collaboration agreements with Zai Lab (Shanghai) Co., Ltd. and Allergan plc; license agreement with Tufts University to develop and commercialize products for the treatment or prevention of bacterial or microbial diseases, or medical conditions; and contract with Biomedical Advanced Research and Development Authority to support the development of NUZYRA for the treatment of pulmonary anthrax. It also has license agreement with Tetraphase Pharmaceuticals, Inc. to develop, import, and sell the XERAVATM product, which is used for the treatment of complicated intra-abdominal infections caused by bacteria. The company was founded in 1996 and is headquartered in Boston, Massachusetts. 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