Institutional shares held 43.6 Million
391K calls
443K puts
Total value of holdings $31.4B
$282M calls
$319M puts
Market Cap $33.9B
46,941,000 Shares Out.
Institutional ownership 92.78%
# of Institutions 958


Latest Institutional Activity in MPWR

Top Purchases

Q2 2025
Swedbank Ab Shares Held: 39.4K ($28.4M)
Q2 2025
Park National Corp Shares Held: 41.1K ($29.6M)
Q2 2025
Burr Financial Services, LLC Shares Held: 4.66K ($3.36M)
Q2 2025
Avanza Fonder Ab Shares Held: 3.81K ($2.75M)
Q2 2025
Fifth Third Bancorp Shares Held: 12.6K ($9.1M)

Top Sells

Q2 2025
Norden Group LLC Shares Held: 1.5K ($1.08M)
Q2 2025
Dsg Capital Advisors, LLC Shares Held: 1.94K ($1.4M)
Q2 2025
Perpetual LTD Shares Held: 5.56K ($4.01M)
Q2 2025
Sapient Capital LLC Shares Held: 36.9K ($26.6M)
Q2 2025
Carderock Capital Management Inc Shares Held: 5.67K ($4.09M)

About MPWR

Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the computing and storage, automotive, industrial, communications, and consumer markets. The company provides direct current (DC) to DC 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 and notebooks, monitors, infotainment applications, and medical equipment. It also offers 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 products. The company sells its products through third-party distributors and value-added resellers, as well as directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers in China, Taiwan, Europe, South Korea, Southeast Asia, Japan, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.


Insider Transactions at MPWR

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
50.8K Shares
From 8 Insiders
Grant, award, or other acquisition 2.01K shares
Bona fide gift 48.8K shares
Sell / Disposition
215K Shares
From 9 Insiders
Open market or private sale 132K shares
Bona fide gift 82.5K shares

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