Compare Stocks Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities. 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:QSI 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 VolumeQSIQuantum-Si$1.74+18.0%$1.29$0.61▼$5.77$318.66M2.7110.28 million shs25.81 million shs5G Stocks: The Path Forward is ProfitableEnter your email address and we'll send you MarketBeat's guide to investing in 5G and which 5G stocks show the most promise. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceQSIQuantum-Si+17.97%+17.57%+53.98%+1.75%-1.14%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationQSIQuantum-Si2.6116 of 5 stars3.33.00.00.02.62.50.6Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceQSIQuantum-Si 2.67Moderate Buy$3.4899.71% UpsideCurrent Analyst Ratings BreakdownLatest QSI Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/19/2025QSIQuantum-SiHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$5.505/16/2025QSIQuantum-SiAlliance Global PartnersSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy3/5/2025QSIQuantum-SiNational BanksharesSubscribe to MarketBeat All Access for the recommendation accuracy ratingSet Price Target$3.653/5/2025QSIQuantum-SiAlliance Global PartnersSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy(Data available from 5/23/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookQSIQuantum-Si$3.44M92.55N/AN/A$1.92 per share0.91Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateQSIQuantum-Si-$95.96M-$0.68N/AN/AN/A-3,968.84%-36.96%-33.57%8/6/2025 (Estimated)Latest QSI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/15/2025Q1 2025QSIQuantum-Si-$0.17-$0.11+$0.06-$0.11$0.96 million$0.84 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthQSIQuantum-SiN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioQSIQuantum-SiN/A13.4213.15Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipQSIQuantum-Si39.90%Insider OwnershipCompanyInsider OwnershipQSIQuantum-Si30.04%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableQSIQuantum-Si150183.14 million99.84 millionOptionableQSI HeadlinesRecent News About These CompaniesFY2025 EPS Estimates for Quantum-Si Lifted by HC WainwrightMay 23 at 2:43 AM | americanbankingnews.comQuantum-Si (NASDAQ:QSI) Given "Buy" Rating at HC WainwrightMay 22 at 8:21 AM | marketbeat.comQuantum-Si's (QSI) "Buy" Rating Reiterated at HC WainwrightMay 22 at 3:51 AM | americanbankingnews.comQuantum-Si incorporated (NASDAQ:QSI) Q1 2025 Earnings Call TranscriptMay 17, 2025 | insidermonkey.comQuantum-Si Q1 2025 Earnings PreviewMay 16, 2025 | msn.comQuantum-Si Inc (QSI) Q1 2025 Earnings Call Highlights: Revenue Surges 84% Amid Strategic ExpansionsMay 16, 2025 | finance.yahoo.comQuantum-Si incorporated (QSI) Q1 2025 Earnings Call TranscriptMay 15, 2025 | seekingalpha.comQuantum-Si Incorporated (QSI) Reports Q1 Loss, Lags Revenue EstimatesMay 15, 2025 | zacks.comQuantum-Si Reports First Quarter 2025 Financial ResultsMay 15, 2025 | businesswire.comQuantum-Si (QSI) Earnings Coverage: Complete 1Q CoverageMay 15, 2025 | 247wallst.comretail investors who own 52% along with institutions invested in Quantum-Si incorporated (NASDAQ:QSI) saw increase in their holdings value last weekMay 14, 2025 | uk.finance.yahoo.comQuantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)May 13, 2025 | businesswire.comQuantum-Si (QSI) Projected to Post Earnings on ThursdayMay 13, 2025 | americanbankingnews.comQuantum-Si (QSI) Projected to Post Quarterly Earnings on ThursdayMay 10, 2025 | marketbeat.comRenaissance Technologies LLC Buys 503,400 Shares of Quantum-Si incorporated (NASDAQ:QSI)April 30, 2025 | marketbeat.comQuantum-Si to Report First Quarter 2025 Financial Results on May 15, 2025April 26, 2025 | seekingalpha.comWhy Quantum-Si incorporated’s (QSI) Stock Is Up 5.98%April 25, 2025 | aaii.comQuantum-Si (NasdaqGM:QSI) Launches Platinum Pro Amid 5% Stock Dip Over The Past MonthApril 3, 2025 | finance.yahoo.comQuantum-Si Begins Shipping Platinum® Pro, Advancing Accessibility in Next-Gen Protein Sequencing™March 26, 2025 | finance.yahoo.comQuantum-Si incorporated (NASDAQ:QSI) CFO Jeffry R. Keyes Sells 8,626 SharesMarch 25, 2025 | insidertrades.comQuantum-Si to Participate in DNAnexus Webinar on Large Scale Proteomics in Multi-Omics ResearchMarch 24, 2025 | businesswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeQSI Company DescriptionsQuantum-Si NASDAQ:QSI$1.74 +0.27 (+17.97%) Closing price 05/22/2025 04:00 PM EasternExtended Trading$1.76 +0.02 (+0.92%) As of 07:30 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.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. 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