NASDAQ:QSIAW Quantum-Si (QSIAW) Stock Price, News & Analysis $0.34 -0.06 (-16.23%) As of 03:57 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsFinancialsSEC FilingsShort InterestTrendsBuy This Stock About Quantum-Si Stock (NASDAQ:QSIAW) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Quantum-Si alerts:Sign Up Key Stats Today's Range$0.28▼$0.4050-Day Range$0.38▼$1.0452-Week Range$0.05▼$2.23Volume22,657 shsAverage Volume58,106 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company OverviewQuantum-Si incorporated, a life sciences company, engages in the development of single-molecule detection platform to enable Next Generation Protein Sequencing (NGPS). The company's platform is comprised of the Platinum NGPS instrument; the Platinum Analysis Software service; and reagent kits and semiconductor chips for use with its instruments. It is used in protein identification, protein variants, antibody characterization, biomarker identification, and post translational modification analysis applications. The company was founded in 2013 is headquartered in Branford, Connecticut.Read More… Remove Ads Receive QSIAW Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Quantum-Si and its competitors with MarketBeat's FREE daily newsletter. Email Address QSIAW Stock News HeadlinesNo headlines for this company have been tracked by MarketBeat.com QSIAW Stock Analysis - Frequently Asked Questions How have QSIAW shares performed this year? Quantum-Si's stock was trading at $1.25 at the beginning of the year. Since then, QSIAW stock has decreased by 68.0% and is now trading at $0.40. View the best growth stocks for 2025 here. How do I buy shares of Quantum-Si? Shares of QSIAW stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Medical Devices Sub-IndustryMeasuring And Control Equipment Current SymbolNASDAQ:QSIAW CIK1816431 Webwww.quantum-si.com Phone866-688-7374FaxN/AEmployees150Year FoundedN/AProfitability EPS (Most Recent Fiscal Year)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual Sales$3.06 million Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableNot Optionable BetaN/A A Guide To High-Short-Interest StocksMarketBeat's analysts have just released their top five short plays for April 2025. Learn which stocks have the most short interest and how to trade them. 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