MONOLITHIC POWER SYSTEMS, INC. (MPWR)

Monolithic Power Systems, Inc., incorporated in 1997 and headquartered with global operations across Asia, Europe, and the U.S., is a fabless semiconductor company specializing in high-performance analog and mixed-signal power electronics solutions. The company differentiates itself through deep system-level knowledge, semiconductor design expertise, and proprietary technologies in process, system integration, and packaging, enabling highly integrated, compact, energy-efficient, and reliable solutions. MPS serves storage and computing (its largest end market in 2025), enterprise data, automotive, communications, consumer, and industrial markets, with key product families including DC-to-DC and AC-to-DC converters, driver MOSFETs, power management ICs, current limit switches, and lighting control products.

The company employs over 4,500 people worldwide and holds 2,231 patents/applications (654 issued in the U.S.), with product life cycles typically exceeding ten years. Sales are primarily conducted through third-party distributors, with three distributors accounting for 26%, 18%, and 10% of 2025 revenue, and approximately 92% of revenue derived from customers in Asia. Utilizing a fabless model, MPS contracts with foundries in China, Taiwan, South Korea, and Singapore for wafer manufacturing, and relies on subcontractors across Asia for assembly, testing, and packaging, while maintaining proprietary control over process technologies to ensure favorable yields and performance.

The company operates in a highly competitive industry, facing rivals such as Analog Devices, Infineon, NXP, ON Semiconductor, Texas Instruments, and others, and is subject to environmental, trade, and export control regulations, particularly concerning U.S.-China trade policy. Founded and led by CEO Michael Hsing, MPS emphasizes continued innovation, energy efficiency, and sustainability as core to its mission of improving quality of life through advanced power management solutions.