MPWR Insider Trading

Insider Ownership Percentage: 3.70%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $114,185,809.48

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$65ksoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$50M$0$50MTotal Insider BuyingTotal Insider Selling

Monolithic Power Systems Share Price & Price History

Current Price: $638.21
Price Change: Price Decrease of -1.72 (-0.27%)
As of 05/9/2025 04:58 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
JunJulAugSepOctNovDecJanFebMarAprMay$638.21Closing price on 05/11/25:

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$771Mbought$448MsoldQ2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2-$2B$0$2BTotal 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: $638.21
Low: $630.62
High: $656.00

50 Day Range

MA: $572.75
Low: $455.19
High: $640.64

52 Week Range

Now: $638.21
Low: $438.86
High: $959.64

Volume

639,247 shs

Average Volume

780,805 shs

Market Capitalization

$30.56 billion

P/E Ratio

17.36

Dividend Yield

1.00%

Beta

1.18

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. Theodore Blegen (CFO)
  8. Maurice Sciammas (EVP)
  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. Vanguard Group Inc. — 12.37%
  2. Brown Advisory Inc. — 1.95%
  3. GAMMA Investing LLC — 1.63%
  4. Massachusetts Financial Services Co. MA — 0.96%
  5. Bank of New York Mellon Corp — 0.74%
  6. Charles Schwab Investment Management Inc. — 0.70%
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. Bank of Nova Scotia
  2. Vaughan Nelson Investment Management L.P.
  3. Allianz Asset Management GmbH
  4. Brown Advisory Inc.
  5. Victory Capital Management Inc.
  6. Massachusetts Financial Services Co. MA
  7. Impax Asset Management Group plc
  8. Allspring Global Investments Holdings LLC
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)
  6. Maurice Sciammas (VP)
  7. Theodore Blegen (CFO)
  8. Maurice Sciammas (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. GAMMA Investing LLC
  2. Vanguard Group Inc.
  3. Park National Corp OH
  4. SG Americas Securities LLC
  5. Zurcher Kantonalbank Zurich Cantonalbank
  6. Teacher Retirement System of Texas
  7. Vest Financial LLC
  8. Charles Schwab Investment Management Inc.