Monolithic Power Systems, Inc. (MPWR)
NASDAQ: MPWR · Real-Time Price · USD
1,504.08
-83.49 (-5.26%)
At close: Apr 28, 2026, 4:00 PM EDT
1,510.00
+5.92 (0.39%)
After-hours: Apr 28, 2026, 7:37 PM EDT

Company Description

Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally.

The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications.

It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products.

The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers.

Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.

Monolithic Power Systems, Inc.
Monolithic Power Systems logo
Country United States
Founded 1997
IPO Date Nov 19, 2004
Industry Semiconductors
Sector Technology
Employees 4,501
CEO Michael Hsing

Contact Details

Address:
1555 Palm Beach Lakes Boulevard
West Palm Beach, Florida 33401
United States
Phone 561 839 3999
Website monolithicpower.com

Stock Details

Ticker Symbol MPWR
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001280452
CUSIP Number 609839105
ISIN Number US6098391054
Employer ID 77-0466789
SIC Code 3674

Key Executives

Name Position
Michael R. Hsing Founder, Chairman, President and Chief Executive Officer
Deming Xiao Executive Vice President of Global Operations
Saria Tseng Executive Vice President of Strategic Corporate Development, General Counsel and Corporate Secretary
Maurice Sciammas Executive Vice President of Worldwide Sales and Marketing
Robert W. Dean II Interim Chief Financial Officer
Genevieve Cunningham Senior Manager of Marketing Communications
Arthur Lee Finance Manager

Latest SEC Filings

Date Type Title
Apr 8, 2026 144 Filing
Apr 6, 2026 144 Filing
Apr 1, 2026 144 Filing
Apr 1, 2026 144 Filing
Mar 30, 2026 144 Filing
Mar 27, 2026 SCHEDULE 13G/A Filing
Mar 20, 2026 144 Filing
Mar 2, 2026 144 Filing
Feb 27, 2026 10-K Annual Report
Feb 27, 2026 8-K Current Report