WallStreetZenWallStreetZen

NASDAQ: MPWR
Monolithic Power Systems Inc Stock Ownership - Who owns Monolithic Power Systems?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Monolithic Power Systems Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Maurice SciammasEVP WW Sales Marketing2025-11-05200$986.81
$197.36kSell
Theodore BlegenEVP and CFO2025-11-03210$1.03k
$216.30kSell
Theodore BlegenEVP and CFO2025-11-0317$1.03k
$17.54kSell
Theodore BlegenEVP and CFO2025-11-03184$1.03k
$189.90kSell
Theodore BlegenEVP and CFO2025-11-0380$1.03k
$82.64kSell
Theodore BlegenEVP and CFO2025-11-03246$1.03k
$253.24kSell
Theodore BlegenEVP and CFO2025-11-0340$1.04k
$41.41kSell
Theodore BlegenEVP and CFO2025-11-0347$1.04k
$48.81kSell
Theodore BlegenEVP and CFO2025-11-0340$1.03k
$41.40kSell
Theodore BlegenEVP and CFO2025-11-03204$1.01k
$206.78kSell

1 of 11

MPWR insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MPWR insiders and whales buy or sell their stock.

MPWR Shareholders

What type of owners hold Monolithic Power Systems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jim J. Jones Iii13.65%6,538,897$6.54BInsider
Vanguard Group Inc12.40%5,939,946$5.94BInstitution
Blackrock Inc10.92%5,229,221$5.23BInstitution
Kuo Wei Herbert Chang9.47%4,536,727$4.54BInsider
Fmr LLC7.08%3,392,704$3.39BInstitution
Michael Hsing5.63%2,694,380$2.69BInsider
State Street Corp4.43%2,120,034$2.12BInstitution
Price T Rowe Associates Inc4.36%2,088,804$2.09BInstitution
Geode Capital Management LLC2.75%1,318,541$1.32BInstitution
Invesco Ltd2.43%1,166,059$1.17BInstitution

1 of 3

MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR74.45%25.55%Net SellingNet Selling
NXPI91.55%0.54%Net SellingNet Selling
MCHP74.78%25.22%Net BuyingNet Buying
ALAB61.75%31.29%Net SellingNet Selling
STM9.83%0.00%
View Top Semiconductor Stocks

Monolithic Power Systems Stock Ownership FAQ

Who owns Monolithic Power Systems?

Monolithic Power Systems (NASDAQ: MPWR) is owned by 98.64% institutional shareholders, 33.85% Monolithic Power Systems insiders, and 0.00% retail investors. Jim J. Jones Iii is the largest individual Monolithic Power Systems shareholder, owning 6.54M shares representing 13.65% of the company. Jim J. Jones Iii's Monolithic Power Systems shares are currently valued at $6.54B.

If you're new to stock investing, here's how to buy Monolithic Power Systems stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.