NASDAQ:QSIAW Quantum-Si (QSIAW) Stock Price, News & Analysis $0.66 -0.05 (-6.69%) Closing price 03:45 PM EasternExtended Trading$0.64 -0.03 (-4.00%) As of 06:25 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. Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsSEC 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$0.63▼$0.7050-Day Range$0.35▼$0.9952-Week Range$0.05▼$2.23Volume20,783 shsAverage Volume62,656 shsMarket CapitalizationN/AP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Quantum-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 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 shares have decreased by 47.0% and is now trading at $0.6625. 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 (Trailing Twelve Months)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$3.44 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 12 Stocks Corporate Insiders are AbandoningIf a company's CEO, COO, and CFO were all selling shares of their stock, would you want to know? MarketBeat just compiled its list of the twelve stocks that corporate insiders are abandoning. Complete the form below to see which companies made the list.Get This Free Report This page (NASDAQ:QSIAW) was last updated on 7/7/2025 by MarketBeat.com Staff From Our PartnersA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we...Porter & Company | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...Paradigm Press | SponsoredBanks aren’t ready for this altcoin—are you?Our expert analysts have identified a $100 billion gap in the crypto market. Only one project is perfectly ...Crypto 101 Media | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredIs Elon's empire crumbling?The Tesla Shock Nobody Sees Coming While headlines scream "Tesla is doomed"... Jeff Brown has uncovered ...Brownstone Research | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredGoogle did what!?!?A new technology has sparked a modern-day gold rush in Silicon Valley. OpenAI’s Sam Altman invested $375M. Bil...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Quantum-Si incorporated Please log in to your account or sign up in order to add this asset to your watchlist. Share Quantum-Si With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Free QSIAW Stock Alerts