MonolithicPower News & Analysis

Monolithic Power Systems (MPWR) Stock Closed at $1,068.85 with 52-Week Gain of 70.22%

Monolithic Power Systems, Inc. (NASDAQ: MPWR) closed at $1,068.85 per share on March 20, 2026, experiencing a one-month return of -10.19% but a significant 52-week gain of 70.22%. The company's market capitalization stands at $52.5 billion. Brown Advisory's Mid-Cap Growth Strategy highlighted MPWR in its Q4 2025 investor letter, noting improved market dynamics around its Blackwell platform. Hedge fund interest in MPWR increased, with 50 portfolios holding its shares at the end of Q4, up from 42 in the previous quarter. This performance reflects key developments in the semiconductor landscape, especially concerning AI compute architectures.