Quantum (QMCO) News Today $9.15 -0.23 (-2.45%) Closing price 07/18/2025 04:00 PM EasternExtended Trading$9.12 -0.03 (-0.27%) As of 07/18/2025 07:58 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock QMCO Latest News All Sources Trusted Sources MarketBeat Benzinga Bloomberg GlobeNewswire 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 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 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 Time Period Quantum Corporation (QMCO) - Yahoo FinanceJuly 17 at 12:56 AM | ca.finance.yahoo.comD-Wave Quantum: Can QBTS Stock Deliver Another 1,000% Gain?July 16 at 11:21 AM | forbes.comRigetti Demonstrates Industry's Largest Multi-Chip Quantum Computer; Halves Two-Qubit Gate Error RateJuly 16 at 8:13 AM | globenewswire.comQuantum Computing Inc. Secures Purchase Order from Top 5 U.S. Bank to Advance Quantum Cybersecurity TestbedJuly 15, 2025 | prnewswire.comQuantum Computing Inc. Secures Purchase Order from Top 5 U.S. Bank to Advance Quantum Cybersecurity TestbedJuly 15, 2025 | prnewswire.comQuantum Unveils Industry's First 1U Backup Appliance with 480 TB All-Flash Capacity to Drive Enterprise Data ResilienceJuly 15, 2025 | businesswire.comBillionaire Warren Buffett Owns These 3 Quantum Computing Stocks. Should You?July 14, 2025 | fool.comWhat Comes Next for Quantum Computing Stocks Like IonQ?July 10, 2025 | fool.comWhy Quantum Computing Stock Skyrocketed 69.3% in June -- and What Comes Next?July 8, 2025 | fool.comBTQ Launches World's First Quantum Proof-of-Work Simulator, Delivering the First Commercial Demonstration of Quantum Advantage in Blockchain ConsensusJuly 8, 2025 | prnewswire.comIs Rigetti Computing the Top Quantum Computing Stock for the Second Half of 2025?July 8, 2025 | fool.comINVESTIGATION ALERT: Edelson Lechtzin LLP Announces Investigation Of Quantum Corporation (NASDAQ: QMCO) and Encourages Investors with Substantial Losses or Witnesses with Relevant Information to Contact the FirmJuly 6, 2025 | globenewswire.comStock-Split Watch: Is D-Wave Quantum Next?July 5, 2025 | fool.comQuantum Stock Watch: Bullish Analyst Coverage On IonQ, D-Wave, Rigetti ComputingJuly 3, 2025 | benzinga.comBTQ Appoints Dr. Sean Kwak, Korea's Foremost Expert in Applied Quantum Technology, as Strategic Advisor to Accelerate Global CommercializationJuly 3, 2025 | prnewswire.comIs D-Wave Quantum Stock a Buy Now?July 3, 2025 | fool.comQUANTUM ALERT: Bragar Eagel & Squire, P.C. is Investigating Quantum Corporation on Behalf of Quantum Stockholders and Encourages Investors to Contact the FirmJuly 2, 2025 | globenewswire.comSecurities Fraud Investigation Into Quantum Corporation (QMCO) Announced – Investors Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz - MorningstarJuly 2, 2025 | morningstar.comMQuantum Delays Form 10-K Filing for Fiscal Year Ended March 31, 2025 - Business WireJuly 2, 2025 | businesswire.comQuantum Corp (QMCO) Q4 2025 Earnings Report Preview: What To ExpectJuly 2, 2025 | finance.yahoo.comINVESTOR ALERT: Investigation of Quantum Corporation (QMCO) Announced by Holzer & Holzer, LLCJuly 1, 2025 | globenewswire.comSecurities Fraud Investigation Into Quantum Corporation (QMCO) Announced – Investors Who Lost Money Urged To Contact Glancy Prongay & Murray LLP, a Leading Securities Fraud Law FirmJuly 1, 2025 | businesswire.comQuantum Corporation (QMCO) Investors Who Lost Money - Contact Law Offices of Howard G. Smith About Securities Fraud InvestigationJuly 1, 2025 | tmcnet.comQuantum Corporation (QMCO) Investors Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud InvestigationJuly 1, 2025 | businesswire.comThe Best Quantum Computing Stocks to Buy Right NowJuly 1, 2025 | fool.comQuantum Corp. Slips After Delay of FY25 Earnings, Form 10-KJuly 1, 2025 | marketwatch.comSecurities Fraud Investigation Into Quantum Corporation (QMCO) Announced - Investors Who Lost Money Urged To Contact The Law Offices of Frank R. CruzJuly 1, 2025 | tmcnet.comQuantum (NASDAQ:QMCO) Stock Price Up 10.3% - Time to Buy?July 1, 2025 | marketbeat.comQuantum stock falls after company files to delay annual reportJune 30, 2025 | za.investing.comSecurities Fraud Investigation Into Quantum Corporation (QMCO) Announced – Investors Who Lost Money Urged To Contact The Law Offices of Frank R. CruzJune 30, 2025 | businesswire.comQuantum Delays Form 10-K Filing for Fiscal Year Ended March 31, 2025June 30, 2025 | businesswire.com3 Quantum Computing Stocks That Could Deliver Decades of Explosive GrowthJune 26, 2025 | fool.comD-Wave: Quantum Supremacy Just Got RealJune 24, 2025 | seekingalpha.comBTQ Technologies Unveils Quantum Stablecoin Settlement Network (QSSN)June 24, 2025 | prnewswire.comQuantum to Release Fiscal Fourth Quarter and Full Year 2025 Financial Results on Monday, June 30, 2025June 20, 2025 | nasdaq.comRigetti Computing: Selling More Shares Than Quantum ComputersJune 17, 2025 | seekingalpha.comQuantum-Si Customer to Showcase Protein Barcoding for Nucleic Acid–LNP Therapeutic Development at Festival of Genomics BostonJune 17, 2025 | businesswire.comWhy Shares of D-Wave Quantum Are Sinking This WeekJune 13, 2025 | fool.comWhy Quantum Computing Stock Is Skyrocketing This WeekJune 13, 2025 | fool.comBetter Quantum Computing Stock: Rigetti Computing or IonQ?June 13, 2025 | fool.comNvidia's Jensen Huang Sparks Quantum Stock FrenzyJune 11, 2025 | benzinga.comWhy Quantum Computing Is Skyrocketing TodayJune 10, 2025 | fool.comQuantum (QMCO) Projected to Post Earnings on MondayJune 9, 2025 | marketbeat.comQuantum Appoints New CEO, Chairman Amidst Restructuring Efforts: Retail Keeps FaithJune 4, 2025 | msn.comQuantum Co. (NASDAQ:QMCO) Short Interest Down 16.4% in MayJune 3, 2025 | marketbeat.comQuantum Announces Leadership ChangesJune 3, 2025 | finance.yahoo.comWISeKey's WISeSat Confirms Next Satellite Launch Scheduled for Mid-June from California to Advance Quantum-Safe Space CommunicationsJune 3, 2025 | globenewswire.comQuantum eMotion Closes Brokered LIFE Financing of $12,000,000June 2, 2025 | globenewswire.comIs D-Wave Quantum a Millionaire-Maker Stock?June 2, 2025 | fool.comQuantum Announces LTO-10 Support for Scalar Tape, Delivering the Industry’s Highest Capacity to Store More, Scale Faster, and Preserve Every BitMay 31, 2025 | businesswire.com Get Quantum News Delivered to You Automatically Sign up to receive the latest news and ratings for QMCO and its competitors with MarketBeat's FREE daily newsletter. Email Address QMCO Media Mentions By Week QMCO 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. QMCO News Sentiment▼1.040.64▲Average Computer and Technology News Sentiment QMCO 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. QMCO Articles This Week▼75▲QMCO Articles Average Week Get Quantum News Delivered to You Automatically Sign up to receive the latest news and ratings for QMCO and its competitors with MarketBeat's FREE daily newsletter. 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