Monolithic Power Systems, Inc. (MPWR)

About Monolithic Power Systems, Inc.

Monolithic Power Systems is a power chipmaker specializing in voltage regulators. Its mission is to reduce total energy consumption in end systems to improve performance and save customers cost. It serves the data center, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.

As of November 3, 2026, Monolithic Power Systems, Inc. (MPWR) stock surged to $1,342.47, up 7.92% (+$98.52) versus the previous close. On the day, shares have traded between $1,275.75 and $1,363.36. That puts MPWR around the middle of its 52-week range of $833.18 to $1,714.09. Monolithic Power Systems, Inc. operates in the semiconductors & related devices space and carries a market capitalization of roughly $59.12 billion, with about 551.7K shares changing hands.

Latest MPWR news

• MPWR Fell 15.9% in the Past Month. Is the Weakness a Buying Chance?Yahoo Finance· Nov 3, 10:12 AM ET
• MPWR's AI Power Boom Accelerates as Enterprise Data Sales Surge 164.6%Yahoo Finance· Nov 3, 10:06 AM ET
• Is MPWR Worth Buying as AI Growth Collides With a Premium Valuation?Yahoo Finance· Nov 3, 10:04 AM ET
• MPWR Q3 Earnings Beat on AI Infrastructure and Communications DemandYahoo Finance· Nov 3, 7:27 AM ET
• 2 S&P 500 stocks for long-term investors and 1 we avoidYahoo Finance· Nov 3, 5:53 AM ET
• Nvidia Stock And 2 US Growth Stocks Facing A Treasury Yield ResetYahoo Finance· Nov 2, 10:18 PM ET
• Two Analog Chip Stocks Buoy Philadelphia Semiconductor IndexYahoo Finance· Nov 2, 6:39 PM ET
• MPWR Q3 deep dive: diversified end-market demand and design wins drive outlook upgradeYahoo Finance· Oct 31, 6:35 PM ET

Source: Yahoo Finance RSS · Updated November 3, 2026

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• Opened positions in $APH and $MPWR

  @UncleSteven· Nov 3, 12:49 PM ET· Bullish

• $MPWR power chips inside every rack sound like a toll booth. seems like a toll on power still needs traffic, and traffic is a capex decision someone can delay

  @thatsolardude365· Nov 3, 6:26 AM ET

• $MPWR didn't work out. In: $1319.23 (Oct 12 after the close) Out: $1296.35 (today, 10:42 AM ET) Result: -1.73%, 15 trading days Posting the red ones too.

  @picckles· Nov 2, 4:31 PM ET

• Analog Chip Stocks Buoy Philadelphia Semiconductor Index https://www.investors.com/news/technology/analog-chip-stocks-buoy-philadelphia-semiconductor-index/ $MPWR $TXN $ADI $ON $NXPI

  @patrickseitz· Nov 2, 1:19 PM ET

• Monolithic Power makes power management chips that go into almost everything, including AI servers. $MPWR is one of the names where you can see the AI side of the industry clearly separated from the consumer side. Video: https://www.youtube.com/watch?v=gpbmwk4rCvc Written vers…

  @Techdamentals· Oct 31, 1:22 PM ET

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