Monolithic Power Systems (MPWR) Stock Chart & Stock Price History $835.76 -22.70 (-2.64%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$834.20 -1.55 (-0.19%) As of 08/29/2025 07:51 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Monolithic Power Systems Stock Price Performance The Monolithic Power Systems (MPWR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 10.58%, with a year-to-date return of 41.25%. In the past month, the stock has increased 17.51%, reflecting recent market activity. As of the latest close, Monolithic Power Systems traded at $835.76 with a market cap of $40.02 billion and volume of 568,918 shares. Five years ago, the stock traded at $267.13, representing a 212.87% increase over that period. At the time, it had a market cap of $12.10 billion and a volume of 172,900 shares. Receive MPWR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Monolithic Power Systems 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. 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. 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Read our full terms of service and privacy policy. 5 Day Performance-1.75%1 Month Performance+17.51%3 Month Performance+27.49%Year-To-Date Performance+41.25%1 Year Performance-10.58%5 Year Performance+212.87% MPWR Stock Chart for Sunday, August, 31, 2025 MPWR Chart by TradingView Monolithic Power Systems Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/29/2025$858.46$835.76-2.64%$853.49$825.16568,918 shs$40.02 billion08/28/2025$866.32$858.46-0.91%$875.05$857.40468,054 shs$41.11 billion08/27/2025$850.64$866.32+1.84%$870.00$843.53326,631 shs$41.49 billion08/26/2025$837.86$850.64+1.53%$857.99$839.86403,951 shs$40.74 billion08/25/2025$844.00$837.86-0.73%$850.44$832.20348,017 shs$40.13 billion08/22/2025$820.74$844.00+2.83%$859.79$820.64548,822 shs$40.42 billion08/21/2025$826.27$820.74-0.67%$831.31$812.00413,043 shs$39.31 billion08/20/2025$844.80$826.27-2.19%$847.57$805.94673,119 shs$39.57 billion08/19/2025$850.31$844.80-0.65%$868.00$839.96557,860 shs$40.46 billion08/18/2025$826.47$850.31+2.88%$853.24$823.01563,836 shs$40.72 billion Get the Latest News and Ratings for MPWR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Monolithic Power Systems and its competitors with MarketBeat's FREE daily newsletter. 08/15/2025$848.81$826.47-2.63%$851.92$823.85575,624 shs$39.58 billion08/14/2025$861.80$848.81-1.51%$854.99$836.51582,179 shs$40.65 billion08/13/2025$840.56$861.80+2.53%$865.13$840.00543,873 shs$41.27 billion08/12/2025$797.51$840.56+5.40%$844.00$803.00713,712 shs$40.25 billion08/11/2025$804.29$797.51-0.84%$815.40$795.82540,406 shs$38.19 billion08/08/2025$797.94$804.29+0.80%$815.00$794.50399,352 shs$38.52 billion08/07/2025$805.85$797.94-0.98%$819.50$785.00640,208 shs$38.21 billion08/06/2025$802.78$805.85+0.38%$807.40$790.07415,993 shs$38.58 billion08/05/2025$830.63$802.78-3.35%$834.44$774.14988,843 shs$38.44 billion08/04/2025$785.62$830.63+5.73%$831.97$778.901.36 million shs$39.77 billion08/01/2025$711.24$785.62+10.46%$803.00$711.461.52 million shs$37.62 billion07/31/2025$730.54$711.24-2.64%$740.00$706.001.34 million shs$34.05 billion07/30/2025$724.37$730.54+0.85%$747.50$726.05629,447 shs$34.98 billion Related Companies AMAT Stock Chart GOOGL Stock Chart KLAC Stock Chart LRCX Stock Chart MKSI Stock Chart MXL Stock Chart NVDA Stock Chart NXPI Stock Chart ON Stock Chart ANET Stock Chart Receive MPWR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Monolithic Power Systems and its competitors with MarketBeat's FREE daily newsletter. 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