Quantum-Si (QSI) News Today $2.08 -0.13 (-5.88%) Closing price 04:00 PM EasternExtended Trading$2.08 +0.00 (+0.05%) As of 07:02 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 Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends All Sources Trusted Sources MarketBeat Benzinga Bloomberg GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 August 2022 July 2022 June 2022 May 2022 April 2022 March 2022 February 2022 Time Period Quantum-Si (NASDAQ:QSI) Shares Up 0.6% - Here's What HappenedQuantum-Si (NASDAQ:QSI) Shares Up 0.6% - Still a Buy?January 26 at 5:54 AM | marketbeat.comQuantum-Si (NASDAQ:QSI) Stock Price Down 3.5% - Should You Sell?Quantum-Si (NASDAQ:QSI) Shares Down 3.5% - Here's What HappenedJanuary 24, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Shares Up 0.6% - Still a Buy?Quantum-Si (NASDAQ:QSI) Stock Price Up 0.6% - Here's What HappenedJanuary 24, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Stock Price Up 5.1% - Still a Buy?Quantum-Si (NASDAQ:QSI) Trading Up 5.1% - Still a Buy?January 23, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Trading Down 4.8% - Should You Sell?Quantum-Si (NASDAQ:QSI) Stock Price Down 4.8% - Should You Sell?January 23, 2025 | marketbeat.comBarclays PLC Purchases 133,438 Shares of Quantum-Si incorporated (NASDAQ:QSI)Barclays PLC boosted its position in Quantum-Si incorporated (NASDAQ:QSI - Free Report) by 210.5% during the third quarter, according to its most recent disclosure with the Securities and Exchange Commission (SEC). The fund owned 196,826 shares of the company's stock after acquiring an additional 1January 23, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Shares Down 3.5% - Here's WhyQuantum-Si (NASDAQ:QSI) Shares Down 3.5% - Here's WhyJanuary 22, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Shares Down 11.8% - Here's WhyQuantum-Si (NASDAQ:QSI) Stock Price Down 11.8% - Here's WhyJanuary 22, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Trading Up 5.1% - Should You Buy?Quantum-Si (NASDAQ:QSI) Trading Up 5.1% - What's Next?January 21, 2025 | marketbeat.comQuantum-Si Showcases Advances in Multiomics at the Festival of Genomics UKJanuary 20, 2025 | finance.yahoo.comQuantum-Si (NASDAQ:QSI) Shares Down 11.8% - Should You Sell?Quantum-Si (NASDAQ:QSI) Stock Price Down 11.8% - Here's What HappenedJanuary 20, 2025 | marketbeat.comQuantum-Si announces inducement grants under Nasdaq listing ruleJanuary 17, 2025 | markets.businessinsider.comQuantum-Si (NASDAQ:QSI) Shares Up 9.8% - What's Next?Quantum-Si (NASDAQ:QSI) Stock Price Up 9.8% - Should You Buy?January 17, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Trading Down 6.1% - Time to Sell?Quantum-Si (NASDAQ:QSI) Trading Down 6.1% - What's Next?January 17, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Stock Price Up 6.7% - Here's WhyQuantum-Si (NASDAQ:QSI) Shares Up 6.7% - What's Next?January 16, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Trading 1.3% Higher - Should You Buy?Quantum-Si (NASDAQ:QSI) Trading Up 1.3% - Here's What HappenedJanuary 16, 2025 | marketbeat.comQuantum-Si’s Promising Outlook with Platinum Pro Launch and Buy Rating JustificationJanuary 15, 2025 | markets.businessinsider.comQuantum-Si (NASDAQ:QSI) Trading Down 17.4% - Time to Sell?Quantum-Si (NASDAQ:QSI) Trading Down 17.4% - Here's What HappenedJanuary 15, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Trading Up 9.8% - Should You Buy?Quantum-Si (NASDAQ:QSI) Stock Price Up 9.8% - Here's WhyJanuary 15, 2025 | marketbeat.comQuantum-Si incorporated (NASDAQ:QSI) Short Interest UpdateQuantum-Si incorporated (NASDAQ:QSI - Get Free Report) was the recipient of a significant increase in short interest in December. As of December 31st, there was short interest totalling 23,650,000 shares, an increase of 109.8% from the December 15th total of 11,270,000 shares. Based on an average daily volume of 25,530,000 shares, the days-to-cover ratio is presently 0.9 days. Currently, 21.5% of the shares of the stock are sold short.January 14, 2025 | marketbeat.comQuantum-Si Target of Unusually Large Options Trading (NASDAQ:QSI)Quantum-Si incorporated (NASDAQ:QSI - Get Free Report) was the target of unusually large options trading on Tuesday. Stock traders bought 16,070 call options on the company. This represents an increase of 137% compared to the typical volume of 6,783 call options.January 14, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Stock Price Up 6.7% - What's Next?Quantum-Si (NASDAQ:QSI) Stock Price Up 6.7% - Time to Buy?January 14, 2025 | marketbeat.comQuantum-Si (NASDAQ:QSI) Given Buy Rating at HC WainwrightHC Wainwright restated a "buy" rating and issued a $5.50 price target on shares of Quantum-Si in a report on Tuesday.January 14, 2025 | marketbeat.comHere’s Why Quantum-Si incorporated (QSI) Is SkyrocketingJanuary 13, 2025 | msn.comQuantum-Si (NASDAQ:QSI) Shares Down 17.4% - What's Next?Quantum-Si (NASDAQ:QSI) Trading Down 17.4% - Here's WhyJanuary 13, 2025 | marketbeat.comQuantum-Si Launches Platinum® Pro: The End-to-End Solution for Deeper Insights in ProteomicsJanuary 13, 2025 | finance.yahoo.comQuantum-Si (NASDAQ:QSI) Shares Up 0.8% - Time to Buy?Quantum-Si (NASDAQ:QSI) Shares Up 0.8% - What's Next?January 10, 2025 | marketbeat.comQuantum-Si’s New Preprint Showcases Protein Barcoding as a Powerful Tool for Transforming ProteomicsJanuary 9, 2025 | finance.yahoo.comBehind the Scenes of Quantum-Si's Latest Options TrendsJanuary 7, 2025 | benzinga.comQuantum-Si (NASDAQ:QSI) Stock Price Down 8% - Here's What HappenedQuantum-Si (NASDAQ:QSI) Stock Price Down 8% - Time to Sell?January 7, 2025 | marketbeat.comQuantum-Si Inc. (QSI): This Small-Cap Stock Is Poised To Outperform in 2025January 7, 2025 | msn.comQuantum-Si's 327% Rally In Six Months: Is Nvidia The Catalyst For More Gains?January 7, 2025 | benzinga.comQuantum-Si (NASDAQ:QSI) Shares Gap Down - Here's WhyQuantum-Si (NASDAQ:QSI) Shares Gap Down - Here's What HappenedJanuary 6, 2025 | marketbeat.comQuantum-Si announces pricing of $50M registered direct offering of common stockJanuary 4, 2025 | markets.businessinsider.comQuantum-Si Incorporated Announces Pricing of $50 Million Registered Direct Offering of Common StockJanuary 3, 2025 | businesswire.comQuantum-Si (NASDAQ:QSI) Sets New 52-Week High - Time to Buy?Quantum-Si (NASDAQ:QSI) Sets New 12-Month High - Here's WhyJanuary 3, 2025 | marketbeat.comQuantum-Si incorporated (QSI): A Bull Case TheoryJanuary 2, 2025 | msn.comQuantum-Si (NASDAQ:QSI) Trading 39.6% Higher - Here's WhyQuantum-Si (NASDAQ:QSI) Stock Price Up 39.6% - Here's WhyJanuary 2, 2025 | marketbeat.comQuantum-Si incorporated (NASDAQ:QSI) Director Jonathan M. Rothberg Sells 3,506,267 SharesJanuary 1, 2025 | insidertrades.comQuantum-Si incorporated (NASDAQ:QSI) Director Sells $11,710,931.78 in StockQuantum-Si incorporated (NASDAQ:QSI - Get Free Report) Director Jonathan M. Rothberg sold 3,506,267 shares of the company's stock in a transaction that occurred on Friday, December 27th. The shares were sold at an average price of $3.34, for a total value of $11,710,931.78. Following the completion of the sale, the director now owns 1,250,000 shares in the company, valued at $4,175,000. This represents a 73.72 % decrease in their position. The transaction was disclosed in a document filed with the Securities & Exchange Commission, which is accessible through the SEC website.December 31, 2024 | marketbeat.comShort Interest in Quantum-Si incorporated (NASDAQ:QSI) Grows By 24.0%Quantum-Si incorporated (NASDAQ:QSI - Get Free Report) saw a significant growth in short interest in the month of December. As of December 15th, there was short interest totalling 11,270,000 shares, a growth of 24.0% from the November 30th total of 9,090,000 shares. Currently, 11.6% of the shares of the company are sold short. Based on an average daily volume of 10,950,000 shares, the short-interest ratio is currently 1.0 days.December 31, 2024 | marketbeat.comQuantum-Si (NASDAQ:QSI) Sees Strong Trading Volume - Should You Buy?Quantum-Si (NASDAQ:QSI) Sees Strong Trading Volume - What's Next?December 30, 2024 | marketbeat.comQuantum-Si (NASDAQ:QSI) Stock Quotes, Forecast and News SummaryDecember 27, 2024 | benzinga.comQuantum-Si (NASDAQ:QSI) Sets New 12-Month High - Time to Buy?Quantum-Si (NASDAQ:QSI) Sets New 52-Week High - Time to Buy?December 27, 2024 | marketbeat.comInvestors Purchase High Volume of Quantum-Si Call Options (NASDAQ:QSI)Quantum-Si incorporated (NASDAQ:QSI - Get Free Report) was the recipient of unusually large options trading activity on Thursday. Stock investors bought 4,441 call options on the stock. This is an increase of approximately 162% compared to the average daily volume of 1,696 call options.December 26, 2024 | marketbeat.comQuantum-Si’s New Preprint Showcases Advances in Protein Variant Detection using ProteoVue™ Software with Next-Generation Protein Sequencing™December 20, 2024 | finance.yahoo.comQuantum-Si Announces New Equity Distribution AgreementDecember 12, 2024 | markets.businessinsider.comQuantum-Si Expands International Distribution NetworkDecember 12, 2024 | businesswire.comQuantum-Si Launches Platinum® New Library Prep Kit, Expanding Access to Next-Generation Protein Sequencing™December 4, 2024 | finance.yahoo.comIn the wake of Quantum-Si incorporated's (NASDAQ:QSI) latest US$33m market cap drop, institutional owners may be forced to take severe actionsDecember 4, 2024 | uk.finance.yahoo.com Get Quantum-Si News Delivered to You Automatically Sign up to receive the latest news and ratings for QSI and its competitors with MarketBeat's FREE daily newsletter. Email Address QSI Media Mentions By Week QSI Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. QSI News Sentiment▼0.550.75▲Average Computer and Technology News Sentiment QSI News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. QSI Articles This Week▼103▲QSI Articles Average Week Get Quantum-Si News Delivered to You Automatically Sign up to receive the latest news and ratings for QSI and its competitors with MarketBeat's FREE daily newsletter. 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