Monolithic Power Systems (MPWR) News Today $945.49 -22.61 (-2.34%) Closing price 10/7/2025 04:00 PM EasternExtended Trading$948.75 +3.26 (+0.34%) As of 09:25 AM 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock MPWR 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 Shell Asset Management Co. Trims Stock Holdings in Monolithic Power Systems, Inc. $MPWR5 hours ago | marketbeat.comChecchi Capital Advisers LLC Acquires New Holdings in Monolithic Power Systems, Inc. $MPWROctober 8 at 3:59 AM | marketbeat.com111 Capital Invests $202,000 in Monolithic Power Systems, Inc. $MPWROctober 8 at 3:58 AM | marketbeat.comCiti Reiterates Bullish Stance on Monolithic Power Systems (MPWR) StockOctober 8 at 3:52 AM | msn.comDuncan Williams Asset Management LLC Acquires New Stake in Monolithic Power Systems, Inc. $MPWROctober 7 at 5:05 AM | marketbeat.comRobeco Institutional Asset Management B.V. Trims Stock Holdings in Monolithic Power Systems, Inc. $MPWROctober 7 at 3:37 AM | marketbeat.comReed Semiconductor Files Patent Infringement Lawsuit Against Monolithic Power SystemsOctober 6 at 4:24 PM | businesswire.comKPP Advisory Services LLC Purchases 410 Shares of Monolithic Power Systems, Inc. $MPWROctober 6 at 7:22 AM | marketbeat.comVantage Investment Partners LLC Grows Stake in Monolithic Power Systems, Inc. $MPWROctober 6 at 5:30 AM | marketbeat.comJ. Safra Sarasin Holding AG Has $641,000 Stake in Monolithic Power Systems, Inc. $MPWROctober 5 at 3:47 AM | marketbeat.comMonolithic Power Systems Insiders Sell US$109m Of Stock, Possibly Signalling CautionOctober 4, 2025 | finance.yahoo.comCitigroup Maintains Monolithic Power Systems (MPWR) Buy RecommendationOctober 4, 2025 | msn.comCorundum Group Inc. Invests $203,000 in Monolithic Power Systems, Inc. $MPWROctober 4, 2025 | marketbeat.comVaughan Nelson Investment Management L.P. Buys 16,019 Shares of Monolithic Power Systems, Inc. $MPWROctober 4, 2025 | marketbeat.comASR Vermogensbeheer N.V. Has $3.26 Million Stake in Monolithic Power Systems, Inc. $MPWROctober 4, 2025 | marketbeat.comMonolithic Power Systems (NASDAQ:MPWR) Sets New 52-Week High - Still a Buy?October 3, 2025 | marketbeat.comMonolithic Power Systems stock hits 52-week high at $954.81October 3, 2025 | investing.comCopeland Capital Management LLC Has $15.73 Million Holdings in Monolithic Power Systems, Inc. $MPWROctober 3, 2025 | marketbeat.comMonolithic Power Systems, Inc. $MPWR Shares Purchased by Mirae Asset Global Investments Co. Ltd.October 3, 2025 | marketbeat.comWoodward Diversified Capital LLC Makes New Investment in Monolithic Power Systems, Inc. $MPWROctober 3, 2025 | marketbeat.com303 Shares in Monolithic Power Systems, Inc. $MPWR Bought by Consolidated Portfolio Review CorpOctober 3, 2025 | marketbeat.comLbp Am Sa Buys 540 Shares of Monolithic Power Systems, Inc. $MPWROctober 3, 2025 | marketbeat.comMonolithic Power Systems, Inc. $MPWR Shares Sold by Janney Montgomery Scott LLCOctober 3, 2025 | marketbeat.comJ2 Capital Management Inc Purchases Shares of 781 Monolithic Power Systems, Inc. $MPWROctober 2, 2025 | marketbeat.comTheodore Blegen Sells 3,000 Shares of Monolithic Power Systems (NASDAQ:MPWR) StockOctober 2, 2025 | insidertrades.comMonolithic Power Systems (NASDAQ:MPWR) CFO Sells $2,739,660.00 in StockOctober 1, 2025 | marketbeat.comJohnson Fistel Investigates Monolithic Power Systems on Behalf of Long-Term ShareholdersOctober 1, 2025 | globenewswire.comKeybanc Maintains Monolithic Power Systems (MPWR) Overweight RecommendationOctober 1, 2025 | msn.comTrilogy Capital Inc. Increases Stock Position in Monolithic Power Systems, Inc. $MPWROctober 1, 2025 | marketbeat.comGC Wealth Management RIA LLC Takes Position in Monolithic Power Systems, Inc. $MPWROctober 1, 2025 | marketbeat.comMonolithic Power Systems (MPWR) Stock Trades Up, Here Is WhySeptember 30, 2025 | msn.comBeyond The Numbers: 12 Analysts Discuss Monolithic Power Systems StockSeptember 29, 2025 | benzinga.comNeedham Maintains Monolithic Power Systems (MPWR) Buy RecommendationSeptember 29, 2025 | msn.comTaylor Frigon Capital Management LLC Has $3.53 Million Stake in Monolithic Power Systems, Inc. $MPWRSeptember 29, 2025 | marketbeat.comKathmere Capital Management LLC Takes $285,000 Position in Monolithic Power Systems, Inc. $MPWRSeptember 29, 2025 | marketbeat.comPatton Fund Management Inc. Takes Position in Monolithic Power Systems, Inc. $MPWRSeptember 28, 2025 | marketbeat.comMonolithic Power Systems, Inc. $MPWR Shares Sold by Wealth Enhancement Advisory Services LLCSeptember 28, 2025 | marketbeat.comNovem Group Lowers Holdings in Monolithic Power Systems, Inc. $MPWRSeptember 27, 2025 | marketbeat.comDakota Wealth Management Boosts Stock Position in Monolithic Power Systems, Inc. $MPWRSeptember 27, 2025 | marketbeat.comECARX Collaborates with Monolithic Power Systems (MPWR) for Automotive AI IntegrationSeptember 26, 2025 | insidermonkey.comInvestors in Monolithic Power Systems (NASDAQ:MPWR) have seen impressive returns of 229% over the past five yearsSeptember 26, 2025 | finance.yahoo.comBankPlus Wealth Management LLC Purchases Shares of 329 Monolithic Power Systems, Inc. $MPWRSeptember 26, 2025 | marketbeat.comCongress Asset Management Co. Grows Position in Monolithic Power Systems, Inc. $MPWRSeptember 26, 2025 | marketbeat.comMonolithic Power Systems, Inc. $MPWR Shares Purchased by Mather Group LLC.September 26, 2025 | marketbeat.comPublic Employees Retirement System of Ohio Has $17.51 Million Stake in Monolithic Power Systems, Inc. $MPWRSeptember 26, 2025 | marketbeat.comFifth Third Bancorp Boosts Holdings in Monolithic Power Systems, Inc. $MPWRSeptember 26, 2025 | marketbeat.comTigerOak Management L.L.C. Invests $244,000 in Monolithic Power Systems, Inc. $MPWRSeptember 25, 2025 | marketbeat.comMonolithic Power Systems, Inc. $MPWR Shares Sold by Norden Group LLCSeptember 25, 2025 | marketbeat.comInsider Selling: Monolithic Power Systems (NASDAQ:MPWR) Director Sells 1,400 Shares of StockSeptember 24, 2025 | insidertrades.comGAMMA Investing LLC Purchases 393 Shares of Monolithic Power Systems, Inc. $MPWRSeptember 24, 2025 | marketbeat.com Get Monolithic Power Systems News Delivered to You Automatically Sign up to receive the latest news and ratings for MPWR and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. 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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. MPWR Articles This Week▼2823▲MPWR Articles Average Week Get the Latest News and Ratings for MPWR and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Monolithic Power Systems and its competitors. Sign Up View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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