MPWR Insider Trading

Insider Ownership Percentage: 3.40%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $74,014,019.79

Monolithic Power Systems Insider Trading History Chart

This chart shows the insider buying and selling history at Monolithic Power Systems by year and by quarter.

Skip ChartChart Data in Insider Trading History Table
2022202320242025$0bought$4.50MsoldQ3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3-$50M$0$50MTotal Insider BuyingTotal Insider Selling

Monolithic Power Systems Share Price & Price History

Current Price: $713.57
Price Change: Price Decrease of -0.46 (-0.06%)
As of 07/17/2025 05:00 PM ET

This chart shows the closing price history over time for MPWR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
AugSepOctNovDecJanFebMarAprMayJunJul$714.03Closing price on 07/16/25:

SEC Filings (Institutional Ownership Changes) for Monolithic Power Systems (NASDAQ:MPWR)

93.46% of Monolithic Power Systems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MPWR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table
2022202320242025$35Mbought$9.33MsoldQ3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3-$4B-$2B$0$2B$4BTotal InflowsTotal Outflows
Monolithic Power Systems logo
Monolithic Power Systems, Inc. engages in the design, development, marketing, and sale of semiconductor-based power electronics solutions for the storage and computing, automotive, enterprise data, consumer, communications, and industrial 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 cloud-based CPU servers, server artificial intelligence applications, storage applications, commercial notebooks, digital cockpit, power sources, home appliances, 4G and 5G infrastructure, and satellite communications applications. It offers lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in computers and notebooks, monitors, car navigation systems, and televisions, as well as for general illumination products. The company sells its products through third-party distributors, value-added resellers, directly to original equipment manufacturers, original design manufacturers, electronic manufacturing service providers, and other end customers. It serves China, Taiwan, South Korea, Europe, Japan, Southeast Asia, the United States, and internationally. Monolithic Power Systems, Inc. was incorporated in 1997 and is headquartered in Kirkland, Washington.
Read More on Monolithic Power Systems

Today's Range

Now: $713.57
Low: $703.43
High: $717.72

50 Day Range

MA: $706.91
Low: $638.21
High: $764.40

52 Week Range

Now: $713.57
Low: $438.86
High: $959.64

Volume

431,575 shs

Average Volume

806,155 shs

Market Capitalization

$34.17 billion

P/E Ratio

18.94

Dividend Yield

0.87%

Beta

1.2

Who are the company insiders with the largest holdings of Monolithic Power Systems?

Monolithic Power Systems' top insider shareholders include:
  1. Michael Hsing (CEO)
  2. Deming Xiao (Insider)
  3. Saria Tseng (VP)
  4. Deming Xiao (EVP)
  5. Saria Tseng (EVP)
  6. Maurice Sciammas (VP)
  7. Maurice Sciammas (EVP)
  8. Theodore Blegen (CFO)
  9. Victor K Lee (Director)
  10. Jeff Zhou (Director)
  11. Kuo Wei Herbert Chang (Director)
  12. James C Moyer (Director)
Learn More about top insider investors at Monolithic Power Systems.

Who are the major institutional investors of Monolithic Power Systems?

Monolithic Power Systems' top institutional shareholders include:
  1. Congress Asset Management Co. — 0.26%
  2. Zevenbergen Capital Investments LLC — 0.09%
  3. Park National Corp OH — 0.09%
  4. Swedbank AB — 0.08%
  5. Sapient Capital LLC — 0.08%
  6. Public Employees Retirement System of Ohio — 0.05%
Learn More about top institutional investors of Monolithic Power Systems stock.

Which institutional investors are selling Monolithic Power Systems stock?

Within the previous quarter, MPWR stock was sold by these institutional investors:
  1. Norden Group LLC
  2. Perpetual Ltd
  3. Sapient Capital LLC
  4. Carderock Capital Management Inc.
  5. Novem Group
  6. Wealth Enhancement Advisory Services LLC
  7. Zevenbergen Capital Investments LLC
  8. State of Alaska Department of Revenue
Within the previous year, company insiders that have sold Monolithic Power Systems company stock include:
  1. Michael Hsing (CEO)
  2. Deming Xiao (Insider)
  3. Saria Tseng (VP)
  4. Deming Xiao (EVP)
  5. Saria Tseng (EVP)
Learn More investors selling Monolithic Power Systems stock.

Which institutional investors are buying Monolithic Power Systems stock?

In the previous quarter, MPWR stock was purchased by institutional investors including:
  1. Swedbank AB
  2. Park National Corp OH
  3. Burr Financial Services LLC
  4. Avanza Fonder AB
  5. Fifth Third Bancorp
  6. Congress Asset Management Co.
  7. Bouvel Investment Partners LLC
  8. Public Employees Retirement System of Ohio