Dimensional Fund Advisors Increases Stake in Monolithic Power Systems

Institutional investor adds over 6,000 shares to its position in the semiconductor company

Published on Mar. 11, 2026

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Dimensional Fund Advisors LP, a major institutional investor, increased its holdings in Monolithic Power Systems, Inc. (NASDAQ:MPWR) by 4.1% in the 3rd quarter, according to a recent SEC filing. The firm now owns 156,577 shares of the semiconductor company's stock, worth approximately $144.11 million.

Why it matters

Monolithic Power Systems is a leading fabless semiconductor company that designs and supplies high-performance power management solutions. The increase in Dimensional Fund Advisors' stake signals continued confidence in the company's growth prospects and competitive positioning within the semiconductor industry.

The details

According to the filing, Dimensional Fund Advisors purchased an additional 6,216 shares of Monolithic Power Systems during the third quarter, bringing its total position to 156,577 shares. This represents approximately 0.33% of the company's outstanding shares. The institutional investor has been steadily increasing its stake in Monolithic Power Systems over the past year, likely due to the company's strong financial performance and market leadership in the power management semiconductor space.

  • Dimensional Fund Advisors increased its holdings in Monolithic Power Systems during the 3rd quarter of 2025.

The players

Dimensional Fund Advisors LP

A major institutional investor and asset management firm that owns a significant stake in Monolithic Power Systems.

Monolithic Power Systems, Inc.

A fabless semiconductor company that designs and supplies high-performance power management solutions for a variety of electronic systems.

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The takeaway

Dimensional Fund Advisors' increased investment in Monolithic Power Systems underscores the semiconductor company's strong market position and growth potential. As a leading player in the power management semiconductor space, Monolithic Power Systems continues to attract interest from major institutional investors.