In the fourth quarter of 2025, Monolithic Power Systems reported non-GAAP diluted EPS of $4.79, surpassing the consensus estimate of $4.73 and marking a 17.1% year-over-year increase from $4.09. Quarterly revenue reached $751.2 million, up 20.8% from the prior year and 1.9% sequentially, driven by broad-based end-market growth. Non-GAAP operating margin in Q4 expanded to 35.8% from 35.5% a year earlier, reflecting disciplined cost control as operating expenses remained essentially flat at $148.1 million.

For full-year 2025, the company achieved record revenue of $2.79 billion, a 26.4% increase over 2024’s $2.21 billion. Non-GAAP net income rose 24.5% to $858.4 million, while non-GAAP diluted EPS grew 25.8% to $17.77. Operating expenses increased 21.7% to $567.5 million, but operating margin expanded by 0.6 percentage points to 35.2%, underscoring scalable leverage in R&D and SG&A investments.

In 2025, storage & computing revenue surged 46.0% to $732.5 million, representing 26.3% of total sales, fueled by power solutions for memory and graphic cards. Automotive sales climbed 43.1% to $592.5 million on robust demand for ADAS and infotainment applications. Communications and industrial segments grew 36.8% and 35.3% respectively, while consumer revenue increased 26.3%. Enterprise Data was the only segment to decline, falling 2.0% to $701.8 million as customers delayed certain infrastructure deployments.

On February 5, Monolithic Power Systems announced that EVP & CFO Bernie Blegen will retire following the filing of the 2025 Form 10-K. Blegen, who joined as Corporate Controller in 2011 and became CFO in 2016, will support the transition to interim CFO Rob Dean, Corporate Controller for nine years. CEO Michael Hsing cited Blegen’s contributions to above-market growth and institutional investor trust and affirmed that this leadership change will uphold the company’s financial discipline and strategic execution.