Masimo (MASI) News Today $146.78 -0.44 (-0.30%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$146.71 -0.07 (-0.05%) As of 10/17/2025 04:10 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 InterestSustainabilityTrendsBuy This Stock MASI 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 Rep. Kevin Hern Sells Masimo Corporation (NASDAQ:MASI) SharesOctober 19 at 2:00 AM | americanbankingnews.comTD Asset Management Inc Purchases 78,508 Shares of Masimo Corporation $MASIOctober 18 at 4:29 AM | marketbeat.comRFG Advisory LLC Trims Position in Masimo Corporation $MASIOctober 18 at 4:15 AM | marketbeat.comRep. Kevin Hern Sells Masimo Corporation (NASDAQ:MASI) StockOctober 17 at 5:05 AM | marketbeat.comBayforest Capital Ltd Makes New Investment in Masimo Corporation $MASIOctober 14, 2025 | marketbeat.com27,234 Shares in Masimo Corporation $MASI Acquired by Wilson Asset Management International PTY Ltd.October 14, 2025 | marketbeat.comMasimo (NASDAQ:MASI) Upgraded to "Buy" at Wall Street ZenOctober 14, 2025 | marketbeat.comMasimo (MASI) Valuation in Focus as Shares Extend Recent DeclineOctober 12, 2025 | finance.yahoo.comWhere Does Masimo Stand After FDA Clears New Patient Monitor Technology?October 11, 2025 | finance.yahoo.comMasimo (NASDAQ:MASI) Earns "Sell (D)" Rating from Weiss RatingsOctober 10, 2025 | marketbeat.comMasimo to Host Investor Day on December 3, 2025October 9, 2025 | finance.yahoo.comA Look At The Fair Value Of Masimo Corporation (NASDAQ:MASI)October 6, 2025 | finance.yahoo.comWill Upward Analyst Revisions and Earnings Optimism Reshape Masimo’s (MASI) Investment Narrative?October 6, 2025 | finance.yahoo.comMasimo (NASDAQ:MASI) Lowered to "Hold" Rating by Wall Street ZenOctober 6, 2025 | marketbeat.com3 Healthcare Stocks We Think Twice AboutOctober 3, 2025 | finance.yahoo.comMasimo Corporation (NASDAQ:MASI) Receives Average Recommendation of "Buy" from BrokeragesOctober 3, 2025 | marketbeat.comMasimo, Integra LifeSciences, CONMED, IQVIA, and Charles River Laboratories Shares Are Soaring, What You Need To KnowSeptember 30, 2025 | msn.comHere's How Much $100 Invested In Masimo 10 Years Ago Would Be Worth TodaySeptember 29, 2025 | benzinga.comMasimo Corporation (MASI): A Bull Case TheorySeptember 29, 2025 | msn.comMasimo Corporation (MASI): A Bull Case Theory September 28, 2025 | insidermonkey.comMasimo (NASDAQ:MASI) Upgraded at Wall Street ZenSeptember 28, 2025 | marketbeat.comDon't Overlook These 2 Highly Ranked Medical Stocks: COLL, MASISeptember 26, 2025 | talkmarkets.comSamsung now owns Denon, Bowers & Wilkins, Marantz, Polk, and more audio brandsSeptember 26, 2025 | msn.comSamsung subsidiary Harman completes acquisition of Bowers & Wilkins, Denon and other audio brands from Apple's legal rival MasimoSeptember 24, 2025 | msn.comSamsung subsidiary Harman acquires audio business of MasimoSeptember 24, 2025 | msn.comSamsung Electronics' Harman completes acquisition of Masimo's audio businessSeptember 23, 2025 | msn.comMasimo Completes Sale of Consumer Audio Business to HARMAN InternationalSeptember 23, 2025 | finance.yahoo.comHarman now owns Bowers & Wilkins, Marantz and Denon as Masimo deal completesSeptember 23, 2025 | msn.comMasimo Sells Sound United to HARMAN for $328MSeptember 23, 2025 | tipranks.comSwedbank AB Has $12.42 Million Position in Masimo Corporation $MASISeptember 21, 2025 | marketbeat.comPerpetual Ltd Has $3.56 Million Holdings in Masimo Corporation $MASISeptember 20, 2025 | marketbeat.comWall Street Zen Downgrades Masimo (NASDAQ:MASI) to HoldSeptember 20, 2025 | marketbeat.comHarbor Capital Advisors Inc. Takes Position in Masimo Corporation $MASISeptember 18, 2025 | marketbeat.comNew Study Finds That Using Masimo Technologies to Continuously Monitor General Floor Patients Reduces CostsSeptember 17, 2025 | financialpost.comFSwedbank AB Invests $12.65 Million in Masimo Corporation $MASISeptember 16, 2025 | marketbeat.comStrs Ohio Invests $6.69 Million in Masimo Corporation $MASISeptember 16, 2025 | marketbeat.comWhat Masimo’s Latest Stock Jump Means After FDA Clearance for New Pulse OximeterSeptember 15, 2025 | finance.yahoo.comIntech Investment Management LLC Has $5.41 Million Stock Position in Masimo Corporation $MASISeptember 14, 2025 | marketbeat.comMasimo (NASDAQ:MASI) Earns "Buy" Rating from BTIG ResearchSeptember 13, 2025 | marketbeat.comWoodline Partners LP Has $22.15 Million Stake in Masimo Corporation $MASISeptember 13, 2025 | marketbeat.comUnited Services Automobile Association Makes New $476,000 Investment in Masimo Corporation $MASISeptember 13, 2025 | marketbeat.comMasimo Corporation $MASI Shares Sold by AmundiSeptember 13, 2025 | marketbeat.comMasimo renewal, expansion with Philips ‘clearly positive news,’ says StifelSeptember 12, 2025 | msn.comPhilips and Masimo renew collaboration for patient monitoring solutionsSeptember 12, 2025 | finance.yahoo.comFred Alger Management LLC Has $1.46 Million Stock Position in Masimo Corporation $MASISeptember 12, 2025 | marketbeat.comPhilips, Masimo announce renewed multi-year strategic collaborationSeptember 11, 2025 | msn.comMasimo Announces Expansion of Strategic Partnership with PhilipsSeptember 11, 2025 | finance.yahoo.comPhilips and Masimo extend strategic partnership with sensor tech focusSeptember 11, 2025 | finance.yahoo.comPhilips and Masimo announce innovation partnership to advance access to patient monitoring measurement technologiesSeptember 11, 2025 | financialpost.comFMasimo Corporation $MASI Shares Sold by Logan Capital Management Inc.September 11, 2025 | marketbeat.com Get Masimo News Delivered to You Automatically Sign up to receive the latest news and ratings for MASI 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. MASI News Sentiment▼1.150.48▲Average Medical News Sentiment MASI 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. MASI Articles This Week▼711▲MASI Articles Average Week Get the Latest News and Ratings for MASI and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Masimo and its competitors. 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