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MPWR jumps as investors appear to keep rewarding a strong Q3 beat and AI-data-center growth outlook

Investivoq PriceTracker

Monolithic Power Systems (MPWR) is up 13.4% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver appears to be continued buying after Monolithic Power Systems delivered a strong third-quarter report and highlighted sustained demand in enterprise data and other growth markets. There does not appear to be a single fresh positive company announcement today, so this could be because investors are still repricing the stock after the recent beat, upbeat commentary, and follow-through from analyst target increases.

Details:

  • The company said third-quarter 2026 revenue topped $1 billion for the first time, reaching about $1.2 billion, up 63.1% from a year earlier.
  • Management highlighted strong enterprise data demand, said that trend should continue into 2027, and described growth broadening into areas such as automotive and robotics.
  • The recent quarterly filing showed net income of $271.1 million and disclosed that the company repurchased more than $450 million of stock during the quarter.
  • After the earnings release, at least two Wall Street firms raised or upgraded their views, which likely added to bullish momentum around the shares.

    • Sources:

    Monolithic Power Systems, SEC, Benzinga

    Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

    $MPWR Insider Trading Activity

    MPWR Insider Trades

    $MPWR insiders have traded $MPWR stock on the open market 60 times in the past 6 months. Of those trades, 0 have been purchases and 60 have been sales.

    Here’s a breakdown of recent trading of $MPWR stock by insiders over the last 6 months:

    • MICHAEL HSING (CEO) has made 0 purchases and 21 sales selling 70,000 shares for an estimated $99,659,215.
    • MAURICE SCIAMMAS (EVP, WW Sales & Marketing) has made 0 purchases and 29 sales selling 27,090 shares for an estimated $39,109,671.
    • SARIA TSENG (EVP & General Counsel) has made 0 purchases and 2 sales selling 12,565 shares for an estimated $20,792,650.
    • JEFF ZHOU sold 486 shares for an estimated $816,480
    • ROBERT W II DEAN (Interim CFO) has made 0 purchases and 5 sales selling 169 shares for an estimated $233,700.
    • KUO WEI HERBERT CHANG has made 0 purchases and 2 sales selling 100 shares for an estimated $135,078.

    To track insider transactions, check out Investivoq's insider trading dashboard. You can access data on insider stock transactions through the Investivoq API insider transaction endpoint.

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    $MPWR Hedge Fund Activity

    We have seen 635 institutional investors add shares of $MPWR stock to their portfolio, and 592 decrease their positions in their most recent quarter.

    Here are some of the largest recent moves:

    • INVESCO LTD. added 858,837 shares (+57.8%) to their portfolio in Q2 2026, for an estimated $1,187,221,915
    • FMR LLC added 776,427 shares (+17.6%) to their portfolio in Q2 2026, for an estimated $1,073,301,627
    • BLACKROCK, INC. removed 482,542 shares (-7.9%) from their portfolio in Q2 2026, for an estimated $667,046,759
    • T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 476,308 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $658,429,126
    • JPMORGAN CHASE & CO added 434,949 shares (+inf%) to their portfolio in Q2 2026, for an estimated $601,256,099
    • SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 388,951 shares (+inf%) to their portfolio in Q2 2026, for an estimated $537,670,304
    • ABERDEEN GROUP PLC added 340,702 shares (+814.0%) to their portfolio in Q3 2026, for an estimated $459,000,548

    To track hedge funds' stock portfolios, check out Investivoq's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Investivoq API 13F endpoint.

    $MPWR Congressional Stock Trading

    Members of Congress have traded $MPWR stock 2 times in the past 6 months. Of those trades, 0 have been purchases and 2 have been sales.

    Here’s a breakdown of recent trading of $MPWR stock by members of Congress over the last 6 months:

    • REPRESENTATIVE BYRON DONALDS has traded it 2 times. They made 0 purchases and 2 sales worth up to $30,000 on 06/05.

    To track congressional stock trading, check out Investivoq's congressional trading dashboard. You can access data on congressional stock trades through the Investivoq API Congress trades endpoint.

    This article is not financial advice. See Investivoq's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.