In its first-quarter 2025 investor letter, Baron Opportunity Fund highlighted stocks such as Monolithic Power Systems, Inc. (NASDAQ: MPWR ). Monolithic Power Systems, Inc. (NASDAQ:MPWR) is a semiconductor-based power electronics solutions provider. The one-month return of Monolithic Power Systems, Inc. (NASDAQ:MPWR) was 3.13%, and its shares lost 16.00% of their value over the last 52 weeks. On June 18, 2025, Monolithic Power Systems, Inc. (NASDAQ:MPWR) stock closed at $693.24 per share, with a market capitalization of $33.19 billion.