Monolithic Power Systems, Inc. Website

Monolithic Power Systems, Inc.

NasdaqGS-MPWR

Company Overview

Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the computing and storage, automotive, industrial, communications, and consumer markets. The company provides direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers and notebooks, monitors, infotainment applications, and medical equipment. It also offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors and value-added resellers, as well as directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers in China, Taiwan, Europe, South Korea, Southeast Asia, Japan, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.

  • Name

    Monolithic Power Systems, Inc.

  • CEO

    Michael R. Hsing

  • Website

    www.monolithicpower.com

  • Sector

    Semiconductors and Semiconductor Equipment

  • Year Founded

    1997

Company Statistics

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Bulls Say

  • We believe MPS has the most rapid pace of innovation among power chipmakers, leading to fast time to market, design wins, and market share gains across its diverse end markets.

  • MPS has strong power management placements alongside GPU and custom AI accelerator vendors, providing an immense growth opportunity from generative AI investment.

  • The firm's fabless model is unique among power competitors and allows for terrific profitability and returns on invested capital.

Bears Say

  • MPS holds a small share of the power management chip market and will be challenged to steal share from large, moat-endowed, well-established competitors.

  • If larger analog peers like Texas Instruments or Analog Devices committed resources to matching MPS' process technology, this could hamper the latter firm’s growth.

  • The majority of MPS’ sales come from markets with relatively short product cycles. Stickier long-cycle markets like automotive and industrial still only make up a minority of the top line.

Source: Morningstar Analysis - Oct 31, 2025

What's happening

Nov 6, 2025 - Dec 6, 2025

Insider Selling Weighs on Monolithic Power Systems Amidst Mixed Market Signals

  • Significant insider selling by executives raised investor concerns about Monolithic Power Systems Inc's outlook.
  • The company reported strong quarterly earnings, yet bearish sentiment persisted due to high-profile sales.
  • Despite challenges, MPWR outperformed the Information Technology sector significantly.

Over the past month, Monolithic Power Systems Inc (MPWR) experienced a decline of 3.7%. This performance contrasts sharply with the S&P 500's gain of 1.2%, reflecting an underperformance of 4.8% relative to this benchmark. The stock faced considerable bearish pressure primarily due to substantial insider selling by key executives, which negatively impacted investor confidence during this period.

CEO Hsing Michael sold 40,000 shares at prices ranging from $951.69 to $967.15 just before a price drop on November 17th, raising alarms among investors regarding future prospects for MPWR. Additionally, Chairman Michael R. Hsing sold shares valued at $38.3 million shortly thereafter on November 14th, further intensifying negative sentiment surrounding the company's outlook.

Despite these bearish signals from insiders, there were moments of bullish activity that provided some support for MPWR’s stock price throughout the month. On December 1st, fourteen brokerages assigned an average rating of "Moderate Buy" after reporting strong quarterly earnings with nearly a year-over-year revenue increase of approximately 19%. Analysts subsequently adjusted their price targets upward based on this positive financial performance and consistent dividend payouts aimed at returning value to shareholders.

Furthermore, CFO Bernie Blegen's share sale was interpreted as healthy liquidity management rather than pessimism about growth potential; however, such positive indicators were overshadowed by ongoing concerns stemming from earlier executive sales in November. Overall market conditions also influenced MPWR’s trajectory as it contended with broader trends within Information Technology (XLK), where it notably outperformed by approximately 46.7%. While facing competition and shifting demand dynamics—especially concerning exposure in China—the company remains well-positioned amidst rising interest in AI data centers despite recent struggles relative to both sector benchmarks and overall market indices like the S&P 500.

Monolithic Power Systems Inc outperformed the Information Technology (XLK) sector by 46.7%.

NasdaqGS:MPWR