NASDAQ:QSI Quantum-Si (QSI) Stock Price, News & Analysis $1.23 +0.15 (+13.89%) Closing price 04/9/2025 04:00 PM EasternExtended Trading$1.22 -0.01 (-1.22%) As of 04/9/2025 06:38 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Quantum-Si Stock (NASDAQ:QSI) 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$1.05▼$1.2750-Day Range$1.08▼$2.0452-Week Range$0.61▼$5.77Volume5.54 million shsAverage Volume9.59 million shsMarket Capitalization$225.26 millionP/E RatioN/ADividend YieldN/APrice Target$3.48Consensus RatingModerate Buy 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 Quantum-Si Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks54th Percentile Overall ScoreQSI MarketRank™: Quantum-Si scored higher than 54% of companies evaluated by MarketBeat, and ranked 480th out of 646 stocks in the computer and technology sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.3 / 5Analyst RatingModerate Buy Consensus RatingQuantum-Si has received a consensus rating of Moderate Buy. The company's average rating score is 2.67, and is based on 2 buy ratings, 1 hold rating, and no sell ratings.Amount of Analyst CoverageQuantum-Si has only been the subject of 2 research reports in the past 90 days.Read more about Quantum-Si's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthDecreasing Earnings GrowthEarnings for Quantum-Si are expected to decrease in the coming year, from ($0.65) to ($0.75) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Quantum-Si is -1.92, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Quantum-Si is -1.92, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioQuantum-Si has a P/B Ratio of 0.64. P/B Ratios below 1 indicate that a company could be undervalued with respect to its assets and liabilities.Read more about Quantum-Si's valuation and earnings. Short Interest4.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted12.42% of the float of Quantum-Si has been sold short.Short Interest Ratio / Days to CoverQuantum-Si has a short interest ratio ("days to cover") of 0.7, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Quantum-Si has recently decreased by 5.78%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldQuantum-Si does not currently pay a dividend.Dividend GrowthQuantum-Si does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted12.42% of the float of Quantum-Si has been sold short.Short Interest Ratio / Days to CoverQuantum-Si has a short interest ratio ("days to cover") of 0.7, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Quantum-Si has recently decreased by 5.78%, indicating that investor sentiment is improving significantly. News and Social Media2.2 / 5News Sentiment0.94 News SentimentQuantum-Si has a news sentiment score of 0.94. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.70 average news sentiment score of Computer and Technology companies.News Coverage This WeekMarketBeat has tracked 2 news articles for Quantum-Si this week, compared to 3 articles on an average week.Search InterestOnly 23 people have searched for QSI on MarketBeat in the last 30 days. This is a decrease of -39% compared to the previous 30 days.MarketBeat FollowsOnly 10 people have added Quantum-Si to their MarketBeat watchlist in the last 30 days. This is a decrease of -29% compared to the previous 30 days. Company Ownership2.5 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, Quantum-Si insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $50,943.00 in company stock.Percentage Held by Insiders30.04% of the stock of Quantum-Si is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by InstitutionsOnly 39.90% of the stock of Quantum-Si is held by institutions.Read more about Quantum-Si's insider trading history. Receive QSI 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 QSI Stock News HeadlinesQuantum-Si incorporated (NASDAQ:QSI) CFO Jeffry R. Keyes Sells 8,626 SharesMarch 25, 2025 | insidertrades.comQuantum-Si (NasdaqGM:QSI) Launches Platinum Pro Amid 5% Stock Dip Over The Past MonthApril 3, 2025 | finance.yahoo.comThis almost killed Elon Musk (chilling details emerge)Elon Musk's Near-Death Experience Sparks Dire Warning for Americans After cheating death twice—once in a terrifying supercar crash with billionaire Peter Thiel, then from a deadly strain of malaria—Elon Musk emerged with a stark warning for Americans about looming financial dangers. Discover the little-known Trump IRS loophole that thousands are now using to safeguard their retirement from inflation and market turmoil—before it's too late.April 10, 2025 | Colonial Metals (Ad)Quantum-Si Begins Shipping Platinum® Pro, Advancing Accessibility in Next-Gen Protein Sequencing™March 26, 2025 | finance.yahoo.comQuantum-Si to Participate in DNAnexus Webinar on Large Scale Proteomics in Multi-Omics ResearchMarch 24, 2025 | businesswire.comQuantum-Si Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)March 13, 2025 | businesswire.comQuantum-Si: Still Unproven, Investors BewareMarch 12, 2025 | seekingalpha.comQuantum-Si price target lowered to $3.65 from $3.75 at Alliance Global PartnersMarch 5, 2025 | markets.businessinsider.comSee More Headlines QSI Stock Analysis - Frequently Asked Questions How have QSI shares performed this year? Quantum-Si's stock was trading at $2.70 on January 1st, 2025. Since then, QSI shares have decreased by 54.4% and is now trading at $1.23. View the best growth stocks for 2025 here. How were Quantum-Si's earnings last quarter? Quantum-Si incorporated (NASDAQ:QSI) issued its earnings results on Thursday, May, 9th. The company reported ($0.14) earnings per share for the quarter, beating analysts' consensus estimates of ($0.23) by $0.09. The company earned $0.46 million during the quarter, compared to the consensus estimate of $0.45 million. Quantum-Si had a negative net margin of 3,968.84% and a negative trailing twelve-month return on equity of 36.96%. Read the conference call transcript. Who are Quantum-Si's major shareholders? Top institutional investors of Quantum-Si include Green Alpha Advisors LLC (0.13%) and HBW Advisory Services LLC (0.01%). Insiders that own company stock include Jeffrey Alan Hawkins, Jonathan M Rothberg, Jeffry R Keyes, Michael P Mckenna, John S Vieceli, Christian Lapointe, Charles R Kummeth, Matthew Dyer and Grace Johnston. View institutional ownership trends. How do I buy shares of Quantum-Si? Shares of QSI 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. What other stocks do shareholders of Quantum-Si own? Based on aggregate information from My MarketBeat watchlists, some other companies that Quantum-Si investors own include Digital Turbine (APPS), Archer Aviation (ACHR), SoFi Technologies (SOFI), ChargePoint (CHPT) and Canoo (GOEV). Company Calendar Last Earnings5/09/2024Today4/09/2025Next Earnings (Estimated)5/08/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorComputer and Technology Industry Measuring & controlling devices, not elsewhere classified Sub-IndustryMeasuring And Control Equipment Current SymbolNASDAQ:QSI CIK1816431 Webwww.quantum-si.com Phone866-688-7374FaxN/AEmployees150Year FoundedN/APrice Target and Rating Average Stock Price Target$3.48 High Stock Price Target$5.50 Low Stock Price Target$1.00 Potential Upside/Downside+182.5%Consensus RatingModerate Buy Rating Score (0-4)2.67 Research Coverage3 Analysts Profitability EPS (Most Recent Fiscal Year)($0.71) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income$-95,960,000.00 Net Margins-3,968.84% Pretax Margin-3,966.95% Return on Equity-36.96% Return on Assets-33.57% Debt Debt-to-Equity RatioN/A Current Ratio13.42 Quick Ratio13.15 Sales & Book Value Annual Sales$3.06 million Price / Sales73.66 Cash FlowN/A Price / Cash FlowN/A Book Value$1.92 per share Price / Book0.64Miscellaneous Outstanding Shares183,140,000Free Float99,842,000Market Cap$225.26 million OptionableOptionable Beta2.71 Investing Strategies To Help Grow Your Retirement IncomeNeed to stretch out your 401K or Roth IRA plan? 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