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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 NYSEAMERICAN:ASTNYSEAMERICAN:SYN 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 VolumeASTAsterias Biotherapeutics$0.00$0.00$0.51▼$2.05$111KN/A136,653 shs1,000 shsSYNSynthetic Biologics$0.00$0.97▼$4.56$16.16M1.38197,338 shs57,700 shsBeginner's Guide To Retirement StocksEnter your email address and we'll send you MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceASTAsterias Biotherapeutics0.00%0.00%0.00%0.00%0.00%SYNSynthetic Biologics0.00%0.00%0.00%0.00%0.00%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationASTAsterias BiotherapeuticsN/AN/AN/AN/AN/AN/AN/AN/ASYNSynthetic BiologicsN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceASTAsterias Biotherapeutics 0.00N/AN/AN/ASYNSynthetic Biologics 0.00N/AN/AN/ACompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookASTAsterias BiotherapeuticsN/AN/AN/AN/AN/AN/ASYNSynthetic BiologicsN/AN/AN/AN/A$4.95 per shareN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateASTAsterias BiotherapeuticsN/AN/A0.00∞N/AN/AN/AN/AN/ASYNSynthetic Biologics-$14.27M-$1.21N/AN/AN/AN/A-26.14%-22.74%N/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthASTAsterias BiotherapeuticsN/AN/AN/AN/AN/ASYNSynthetic BiologicsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioASTAsterias BiotherapeuticsN/AN/AN/ASYNSynthetic BiologicsN/A4.144.14Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipASTAsterias BiotherapeuticsN/ASYNSynthetic Biologics74.38%Insider OwnershipCompanyInsider OwnershipASTAsterias BiotherapeuticsN/ASYNSynthetic Biologics2.15%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableASTAsterias BiotherapeuticsN/A55.66 millionN/ANot OptionableSYNSynthetic Biologics1615.84 million15.50 millionNot OptionableAST, BLVN, SYN, and DELT HeadlinesRecent News About These CompaniesControversial ‘Synthetic Human Genome Project’ Spurs Debate Over Ethics of Building Human DNA from ScratchJuly 2 at 9:04 AM | thedebrief.orgTOn The Punt: Gilbert Gardiner's tips for Ballarat Synthetic on TuesdayJuly 2 at 9:04 AM | punters.com.auPSynthetic data, real results: Rewiring industrial inspection to work with AIJuly 1 at 2:40 PM | imveurope.comIUK launches bold Synthetic Human Genome Project: Can human DNA be built from scratch?June 27, 2025 | indiatvnews.comIAstroTurf Secures Historic Partnership as Official Synthetic Turf of Major League BaseballJune 27, 2025 | sfexaminer.comSSynthetic DNA research could lead to the creation of artificial life, Irish professor saysJune 27, 2025 | independent.ieIWhich mesh is best? Outcomes for abdominal ventral hernia repair patients projected by new research modelJune 25, 2025 | medicaldialogues.inMEULAR Updates Recommendations for Managing Rheumatoid ArthritisJune 20, 2025 | medscape.comMBenefits of early biologic treatment in psoriatic arthritis examined in studiesJune 12, 2025 | medicalxpress.comMWhich mesh is best? New research model projects outcomes for abdominal ventral hernia repair patientsJune 4, 2025 | msn.comBioNext: Generics to biologics, India’s moment to leadMay 26, 2025 | msn.comBiologics, Targeted Therapies Best for Acute PsA DactylitisMay 21, 2025 | medscape.comMInfection Patterns Matter in Selection of Advanced Therapies for Inflammatory ArthritisMay 16, 2025 | medscape.comMAnsa Biotechnologies Rolls Out Early Access Program for Long, Complex Synthetic DNA OrdersMay 11, 2025 | genengnews.comGMaxim Group Downgrades Theriva Biologics (TOVX)May 9, 2025 | msn.comAI and Machine Learning as Transformative BioToolsMay 7, 2025 | genengnews.comGCytiva and Asimov collaborate on next generation cell line design and process developmentApril 30, 2025 | pharmiweb.comPCytiva and Asimov Collaborate on NextGen Cell Line Design and Process DevelopmentApril 29, 2025 | genengnews.comGSynthetic Design emerges with $20M and next-gen ADC platformApril 26, 2025 | bioworld.comBSeries A financing at Grove BiopharmaApril 25, 2025 | bioworld.comBMedia Sentiment Over TimeTop HeadlinesView All Headlines3 Semiconductor Stocks Poised to Surge on AI SpendingBy Chris Markoch | June 25, 2025View 3 Semiconductor Stocks Poised to Surge on AI Spending3 AI Infrastructure Stocks With Strong Growth, Not HypeBy Chris Markoch | June 26, 2025View 3 AI Infrastructure Stocks With Strong Growth, Not Hype3 Penny Stocks Analysts Believe Are Headed HigherBy Chris Markoch | June 4, 2025View 3 Penny Stocks Analysts Believe Are Headed HigherAST SpaceMobile’s Star Is Rising: Get in While It’s Still Cheap!By Thomas Hughes | June 16, 2025View AST SpaceMobile’s Star Is Rising: Get in While It’s Still Cheap!Tesla’s Robotaxi Hype Fuels Bullish Price Targets to $500By Sam Quirke | June 30, 2025View Tesla’s Robotaxi Hype Fuels Bullish Price Targets to $500AST, BLVN, SYN, and DELT Company DescriptionsAsterias Biotherapeutics NYSEAMERICAN:AST$0.0020 0.00 (0.00%) As of 07/10/2019Asterias Biotherapeutics, Inc., a clinical-stage biotechnology company, focuses on developing cell-based therapeutics to treat neurological conditions associated with demyelination, and cellular immunotherapies to treat cancer. Its clinical stage programs include AST-OPC1, an oligodendrocyte progenitor cell population derived from pluripotent stem cells that is in Phase I/IIa clinical trial for spinal cord injuries; AST-VAC2 is a non-patient-specific cancer immunotherapy derived from pluripotent stem cells for the treatment of non-small cell lung cancer; and AST-VAC1, a patient-specific cancer immunotherapy that has completed Phase II clinical trial for the treatment of acute myeloid leukemia. The company was formerly known as BioTime Acquisition Corporation and changed its name to Asterias Biotherapeutics, Inc. in March 2013. Asterias Biotherapeutics, Inc. was founded in 2012 and is headquartered in Fremont, California.Synthetic Biologics NYSEAMERICAN:SYNSynthetic Biologics, Inc., a clinical-stage company, develops therapeutics to treat diseases in areas of high unmet need. The company's lead product candidates include SYN-004 designed to degrade various commonly used intravenous beta-lactam antibiotics in gastrointestinal (GI) tract for the prevention of microbiome damage, clostridium difficile infection (CDI), overgrowth of pathogenic organisms, the emergence of antimicrobial resistance (AMR), and acute graft-versus-host-disease (aGVHD) in allogeneic hematopoietic cell transplant recipients; and SYN-020, a recombinant oral formulation for the enzyme intestinal alkaline phosphatase to treat both local GI and systemic diseases. It also develops VCN-01 for the treatment of patients with pancreatic cancer, head and neck squamous cell carcinoma, colorectal cancer, and retinoblastoma. In addition, the company develops clinical stage products, such as SYN-006 to prevent aGVHD and infection by carbapenem resistant enterococci; SYN-007 for preventing antibiotic associated diarrhea with oral ß-lactam antibiotics; SYN-005 for the prevention and treatment of pertussis; and VCN-11 to treat cancer. It has collaborations with Intrexon Corporation, The University of Texas at Austin, and Cedars-Sinai Medical Center; and a clinical trial agreement with Washington University School of Medicine in St. Louis to conduct a Phase 1b/2a clinical trial of SYN-004. Synthetic Biologics, Inc. is headquartered in Rockville, Maryland. 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