FMR LLC Discloses 10.5% Stake in Monolithic Power Systems (MPWR)

Key Facts

1FMR LLC filed an amended Schedule 13G/A reporting beneficial ownership of 5,175,258 shares, or 10.5%, of Monolithic Power Systems.

In a move reflecting growing institutional interest in the semiconductor sector, FMR LLC has increased its stake in Monolithic Power Systems (MPWR) to 10.5%. According to the latest filing, FMR now holds 5,175,258 shares in the company, representing a significant passive long-term investment that strengthens the firm's strategic shareholder base.

This investment comes as specialized power management semiconductor firms experience notable growth, with MPWR reporting Q1 2024 revenue of $501 million, a 1.5% year-over-year increase per previous earnings reports. Compared to peers, market data shows relatively stable institutional investment flows toward companies supporting AI infrastructure and data centers.

In recent trading, MPWR stood at $1346.13 (close July 06, 2026), with price fluctuations between $1305.01 and $1371.37 during the session. Investors are currently monitoring macroeconomic data affecting the tech sector, particularly following the U.S. Non-Farm Payrolls report of 57k released on July 2, 2026, which may impact risk appetite for high-growth stocks.