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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: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$1.15+8.5%$1.45$0.61▼$5.77$214.65M2.855.66 million shs3.94 million shs7 Energy Stocks to Buy and Hold ForeverWith the proliferation of data centers and electric vehicles, the electric grid will only get more strained. Download this report to learn how energy stocks can play a role in your portfolio as the global demand for energy continues to grow.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceQSIQuantum-Si+8.49%+6.48%-9.45%-34.66%+21.07%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeQSIQuantum-Si$1.15+8.5%$1.45$0.61▼$5.77$214.65M2.855.66 million shs3.94 million shs7 Energy Stocks to Buy and Hold ForeverWith the proliferation of data centers and electric vehicles, the electric grid will only get more strained. Download this report to learn how energy stocks can play a role in your portfolio as the global demand for energy continues to grow.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceQSIQuantum-Si+8.49%+6.48%-9.45%-34.66%+21.07%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceQSIQuantum-Si 2.67Moderate Buy$3.48202.17% UpsideCurrent Analyst Ratings BreakdownLatest QSI Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails9/9/2025QSIQuantum-SiCanaccord Genuity GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingHold$1.00(Data available from 9/10/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookQSIQuantum-Si$3.06M76.10N/AN/A$1.29 per share0.89Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateQSIQuantum-Si-$101.01M-$0.68N/AN/AN/A-3,120.14%-44.57%-39.45%11/11/2025 (Estimated)Latest QSI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/5/2025Q2 2025QSIQuantum-Si-$0.16-$0.16N/A-$0.16$1.28 million$0.59 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthQSIQuantum-SiN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioQSIQuantum-SiN/A9.439.27Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipQSIQuantum-Si39.90%Insider OwnershipCompanyInsider OwnershipQSIQuantum-Si22.95%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableQSIQuantum-Si150202.49 million156.02 millionOptionableQSI HeadlinesRecent News About These CompaniesQuantum-Si Announces the Launch of V4 Sequencing Kit, Expanding Proteome Coverage and Unlocking New Applications for Protein SequencingSeptember 9 at 5:29 AM | uk.finance.yahoo.comNuveen LLC Buys New Holdings in Quantum-Si Incorporated $QSISeptember 7 at 3:14 AM | marketbeat.comQuantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)August 13, 2025 | businesswire.comQuantum-Si Updates Corporate Presentation on GrowthAugust 11, 2025 | theglobeandmail.comQuantum-Si to Participate in the UBS Precision Medicine Frontiers SummitAugust 8, 2025 | finance.yahoo.comQuantum-Si's Q2 Loss In Line With Estimates, Revenues Rise Y/YAugust 7, 2025 | zacks.comQuantum-Si (QSI) Q2 Revenue Falls 47%August 5, 2025 | fool.comQuantum-Si incorporated (QSI) Q2 2025 Earnings Call TranscriptAugust 5, 2025 | seekingalpha.comQuantum-Si Incorporated (QSI) Reports Q2 Loss, Lags Revenue EstimatesAugust 5, 2025 | zacks.comQuantum-Si Reports Second Quarter 2025 Financial ResultsAugust 5, 2025 | businesswire.comEarnings To Watch: Quantum-Si Inc (QSI) Reports Q2 2025 ResultAugust 4, 2025 | finance.yahoo.comQSI Gears Up to Post Q2 Earnings: What's in Store for the Stock?August 4, 2025 | zacks.comQuantum-Si to Participate in the Canaccord Genuity 45th Annual Growth ConferenceJuly 21, 2025 | finance.yahoo.comQuantum-Si to Report Second Quarter 2025 Financial Results on August 5, 2025July 14, 2025 | businesswire.comQuantum-Si Shares Sink After Pricing $50 Mln Registered Direct OfferingJuly 7, 2025 | marketwatch.comTesla, Quantum-Si And Other Big Stocks Moving Lower In Monday's Pre-Market SessionJuly 7, 2025 | benzinga.comQuantum-Si prices $50M registered direct offering of common stock at $1.67July 5, 2025 | finance.yahoo.comQuantum-Si stock falls after pricing capital raise of $50M via stock offeringJuly 4, 2025 | msn.comQuantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common ...July 3, 2025 | gurufocus.comQuantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common StockJuly 3, 2025 | gurufocus.comQuantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common StockJuly 3, 2025 | businesswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeQSI Company DescriptionsQuantum-Si NASDAQ:QSI$1.15 +0.09 (+8.49%) Closing price 09/9/2025 04:00 PM EasternExtended Trading$1.16 +0.01 (+0.43%) As of 09:00 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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