Monolithic Power Systems delivered record fourth-quarter revenue of $751.2 million, up 20.8% year-over-year and 1.9% sequentially, driven by broad-based growth across six end markets. Non-GAAP earnings per share of $4.79 surpassed the consensus estimate of $4.73, representing a 17.1% increase from $4.09 in the year-ago quarter. Gross margin held steady at 55.5% on a non-GAAP basis, while operating margin improved by 0.4 percentage points to 35.8%, reflecting disciplined cost control despite higher research and development and sales investments.

Revenue contributions by end market remained balanced, with Enterprise Data accounting for 31.1% of Q4 sales at $233.5 million, up 19.8% year-over-year. Storage & Computing grew 18.8% to $162.1 million, Automotive rose 17.6% to $151.0 million, Communications climbed 31.2% to $83.7 million, Industrial increased 34.1% to $54.7 million, and Consumer advanced 15.5% to $66.2 million. Non-Enterprise Data markets collectively expanded more than 40% year-over-year, underscoring the effectiveness of the company’s diversification strategy into automotive, communications and industrial applications.

For the full year, revenue reached $2.79 billion, marking a 26.4% increase from $2.21 billion in 2024 and extending the company’s streak to 14 consecutive years of growth. Non-GAAP net income rose 24.5% to $858.4 million, while non-GAAP diluted EPS grew 25.8% to $17.77. Storage & Computing led end-market growth with a 46.0% increase to $732.5 million, and Automotive climbed 43.1% to $592.5 million. The company secured over $4 billion of geographically balanced manufacturing capacity and launched its 800V data-center solution, positioning for continued expansion in AI and high-performance computing applications.

Monolithic Power Systems announced that Executive Vice President and CFO Bernie Blegen will retire following the filing of the 2025 annual report on Form 10-K. Blegen, who joined the company in 2011 and has overseen above-market growth and strong shareholder trust, will support a smooth handover. Corporate Controller Rob Dean, with nine years of tenure at MPS, will assume the role of interim CFO while the board conducts a search for a permanent successor.