Quantum (QMCO) News Today $11.76 +0.84 (+7.69%) Closing price 10/3/2025 04:00 PM EasternExtended Trading$11.70 -0.05 (-0.47%) As of 10/3/2025 08:00 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 Why Is Quantum Up Today?Toggle Visibility of Why Is Quantum Up Today?Quantum Corporation (NASDAQ: QMCO) shares rose today after analysts set a “Moderate Buy” consensus, although insider selling and a wave of class-action lawsuit invitations have weighed on investor sentiment. Positive Sentiment: Analysts assign a consensus rating of “Moderate Buy” to QMCO, with four brokerages covering the stock (two hold, two buy) indicating solid institutional support. Quantum Corporation Receives Consensus Rating of Moderate Buy from Analysts Negative Sentiment: CAO Laura A. Nash sold 611 shares at an average price of $10.86 on Oct. 2, reducing her ownership by 5.2%, signaling potential insider caution. SEC Filing Negative Sentiment: On Oct. 1, Nash sold another 118 shares at an average of $9.91, trimming her stake by 0.99%. SEC Filing Negative Sentiment: Law Offices of Frank R. Cruz invite Quantum investors who lost money to lead a securities fraud class action. Quantum Corporation Shareholders Have Opportunity to Lead Securities Fraud Lawsuit Negative Sentiment: Rosen Law Firm urges QMCO purchasers from Nov. 2024 to Aug. 2025 to secure counsel before the Nov. 3 lead plaintiff deadline in its class action filing. Rosen Law Firm Encourages Quantum Investors to Secure Counsel Negative Sentiment: Bronstein, Gewirtz & Grossman LLC alerts investors with substantial QMCO losses about a new class action against the company. Bronstein Gewirtz & Grossman Investor Alert Negative Sentiment: Pomerantz LLP reminds Quantum investors of class action deadlines and encourages those with losses to contact the firm regarding legal claims. Pomerantz Investor Alert Negative Sentiment: Faruqi & Faruqi, LLP investigates claims for investors who suffered QMCO losses and highlights the Nov. 3 deadline to seek lead plaintiff status. Faruqi & Faruqi Shareholder Action Reminder Negative Sentiment: The Schall Law Firm reminds QMCO shareholders of a securities fraud class action and deadlines for those who purchased between Nov. 2024 and Aug. 2025. Schall Law Firm Notice Negative Sentiment: DJS Law Group notifies shareholders of a pending securities class action against Quantum, outlining possible lead plaintiff opportunities. DJS Law Group Notification Posted 1+ days agoAI Generated. May Contain Errors. QMCO Latest News All Sources Trusted Sources MarketBeat Barchart 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 October 2025 September 2025 August 2025 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 Time Period QMCO INVESTOR NOTICE: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Quantum Corporation3 hours ago | globenewswire.comQMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit First Filed by The Rosen Law FirmOctober 5 at 10:08 AM | prnewswire.comStock-Split Watch: Is Quantum Computing Next?October 5 at 8:00 AM | fool.comThese Quantum Computing Stocks Could Be the Secret Winners of the AI BoomOctober 4 at 7:00 PM | fool.comThese Quantum Computing Stocks Could Be the Secret Winners of the AI BoomOctober 4 at 7:00 PM | fool.comQuantum Corporation (NASDAQ:QMCO) Receives Consensus Rating of "Moderate Buy" from AnalystsOctober 3 at 4:52 PM | marketbeat.comQuantum Corporation (QMCO) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud LawsuitOctober 3 at 3:23 PM | prnewswire.comROSEN, THE FIRST FILING FIRM, Encourages Quantum Corporation Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - QMCOOctober 3 at 2:37 PM | globenewswire.comQMCO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Quantum Corporation Investors with Substantial Losses Have Opportunity to Lead Class Action LawsuitOctober 3 at 12:00 PM | globenewswire.comINVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Quantum Corporation of Class Action Lawsuit and Upcoming Deadlines - QMCOOctober 3 at 10:00 AM | prnewswire.comSHAREHOLDER ACTION REMINDER: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of QuantumOctober 2, 2025 | prnewswire.comQMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit with the Schall Law FirmOctober 2, 2025 | prnewswire.comQuantum Corporation Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - QMCOOctober 2, 2025 | prnewswire.comROSEN, NATIONALLY REGARDED INVESTOR RIGHTS COUNSEL, Encourages Quantum Corporation Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - QMCOOctober 1, 2025 | globenewswire.comDeadline Alert: Quantum Corporation (QMCO) Shareholders Who Lost Money Urged To Contact Glancy Prongay & Murray LLP About Securities Fraud LawsuitOctober 1, 2025 | globenewswire.comQuantum BioPharma Welcomes World-Renowned Multiple Sclerosis Expert Dr. Jack Antel as Clinical Development Advisor For Lucid-MS TrialsOctober 1, 2025 | globenewswire.comQMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit First Filed by The Rosen Law FirmSeptember 30, 2025 | prnewswire.comQuantum’s Scalar i7 RAPTOR Wins TV Tech Best of Show Award at IBC 2025September 30, 2025 | finance.yahoo.comQuantum (QMCO) Price Target Decreased by 30.30% to 11.73September 30, 2025 | msn.comQuantum Corporation (QMCO) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud LawsuitSeptember 30, 2025 | prnewswire.comINVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of QuantumSeptember 30, 2025 | globenewswire.comQuantum's Scalar i7 RAPTOR Wins TV Tech Best of Show Award at IBC 2025September 30, 2025 | businesswire.comBTQ Technologies Launches QSSN Proof-of-Concept with Danal, Korea's Mobile Payments LeaderSeptember 29, 2025 | prnewswire.comROSEN, TRUSTED INVESTOR COUNSEL, Encourages Quantum Corporation Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - QMCOSeptember 28, 2025 | globenewswire.comINVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Quantum Corporation of Class Action Lawsuit and Upcoming Deadlines - QMCOSeptember 28, 2025 | prnewswire.comPrediction: This Quantum-AI Stock Could Be the Nvidia of the 2030sSeptember 28, 2025 | fool.comDeadline Alert: Quantum Corporation (QMCO) Shareholders Who Lost Money Urged To Contact Glancy Prongay & Murray LLP About Securities Fraud LawsuitSeptember 26, 2025 | globenewswire.comQuantum Artificial Intelligence (AI) Could Be the Next $10 Trillion Industry -- 2 Stocks to Own NowSeptember 26, 2025 | fool.comQMCO INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC Announces that Quantum Corporation Investors with Substantial Losses Have Opportunity to Lead Class Action LawsuitSeptember 26, 2025 | globenewswire.comQuantum Corporation Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - QMCOSeptember 25, 2025 | prnewswire.comQMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit First Filed by The Rosen Law FirmSeptember 25, 2025 | prnewswire.comROSEN, LEADING INVESTOR COUNSEL, Encourages Quantum Corporation Investors to Secure Counsel Before Important Deadline in Securities Class Action First Filed by the Firm - QMCOSeptember 25, 2025 | globenewswire.comFaruqi & Faruqi Reminds Quantum Corporation Investors of the Pending Class Action Lawsuit with a Lead Plaintiff Deadline of November 3, 2025 - QMCOSeptember 25, 2025 | globenewswire.comQuantum Corporation Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights – QMCOSeptember 25, 2025 | theglobeandmail.comINVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Quantum Corporation of Class Action Lawsuit and Upcoming Deadlines - QMCOSeptember 24, 2025 | globenewswire.comSHAREHOLDER ALERT: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of Quantum CorporationSeptember 24, 2025 | prnewswire.comQuantum stock surges after debt restructuring deal with DialecticSeptember 23, 2025 | za.investing.comQuantum Corporation Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - QMCOSeptember 23, 2025 | tmcnet.comQuantum Shares Jump Following Debt Restructuring Deal with DialecticSeptember 23, 2025 | msn.comQuantum Corp. to restructure term debtSeptember 23, 2025 | msn.comQuantum Corporation (QMCO) Investors Who Lost Money Have Opportunity to Lead Securities Fraud LawsuitSeptember 23, 2025 | prnewswire.comQuantum Corporation Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights – QMCOSeptember 23, 2025 | businesswire.comWiMi Unveils New Efficient Quantum Random Access Memory TechnologySeptember 23, 2025 | prnewswire.comINVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Quantum Corporation of Class Action Lawsuit and Upcoming Deadlines - QMCOSeptember 23, 2025 | prnewswire.comQuantum Enters into Definitive Agreement with Dialectic and Other Lenders to Restructure Term DebtSeptember 23, 2025 | businesswire.comQuantum computing stocks pare off last week's gains amid Quantum's private placementSeptember 23, 2025 | msn.comQuantum (QMCO): Evaluating Valuation After Accounting Issues and Leadership Shakeup Draw Market ScrutinySeptember 23, 2025 | finance.yahoo.comQuantum Corporation: Sell On Weak Legacy Business Trends And Persistent DilutionSeptember 22, 2025 | seekingalpha.comScalar i7 RAPTOR Achieves Veeam Ready Qualification, Bringing Unmatched Density, Security, Sustainability, and Long-Term Retention to Enterprise CustomersSeptember 22, 2025 | businesswire.comQMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit with the Schall Law FirmSeptember 22, 2025 | prnewswire.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. 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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▼0.380.61▲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▼248▲QMCO Articles Average Week Get the Latest News and Ratings for QMCO and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Quantum and its competitors. 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