Monolithic Power Systems, Inc. (MPWR:NASDAQ) closed at $1,140.12 on October 23, 2026, down 2.38% on the day. The stock trades 33.5% below its 52-week high of $1,714.09 and 36.8% above its 52-week low of $833.18. Over the past year, it gained 6.1%. Monolithic Power Systems, Inc. is part of the Technology sector (Semiconductors).
In 252 trading sessions since October 23, 2025, MPWR closed higher on 138 days (55%). Its best day was April 8, 2026 (+10.22%) and its worst was June 5, 2026 (-10.38%). The stock moved 10% or more in a single session 2 times. It opened at least 5% above the previous day's high 4 times.
Monolithic Power Systems, Inc. designs, develops, and markets integrated power semiconductor solutions and power delivery architectures for consumer, industrial, computing and storage, and communications market segments. It offers direct current (DC) to DC converter integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers, monitors, automobiles, and medical equipment. The company also provides lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination applications. In addition, it offers alternating current (AC)/DC offline solutions for lighting illumination applications; and AC/DC power conversion solutions for various end products that plug into a wall outlet. The company markets its products through third party distributors, value-added resellers, directly to original equipment manufacturers, original design manufacturers, and electronic manufacturing service providers in China, Taiwan, Europe, South K...
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