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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 Marketing2026-06-0130$1.53k
$46.02kSell
Saria TsengEVP General Counsel2026-05-277,565$1.70k
$12.86MSell
Robert W. Dean IiInterim CFO2026-05-2622$1.65k
$36.29kSell
Jeff ZhouDirector2026-05-26486$1.68k
$816.48kSell
Saria TsengEVP General Counsel2026-05-225,000$1.59k
$7.93MSell
Michael HsingCEO2026-05-18130$1.52k
$197.79kSell
Michael HsingCEO2026-05-18551$1.51k
$833.72kSell
Robert W. Dean IiInterim CFO2026-05-184$1.56k
$6.25kSell
Michael HsingCEO2026-05-183,769$1.51k
$5.68MSell
Michael HsingCEO2026-05-182,929$1.50k
$4.40MSell

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Net Insider Buy/Sell (L12M) Ownership

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MPWR Shareholders

What type of owners hold Monolithic Power Systems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jim J. Jones Iii13.31%6,538,897$10.22BInsider
Blackrock Inc12.36%6,072,467$9.50BInstitution
Kuo Wei Herbert Chang9.23%4,536,716$7.09BInsider
Fmr LLC8.96%4,400,831$6.88BInstitution
Vanguard Capital Management LLC6.28%3,083,449$4.82BInstitution
Michael Hsing5.18%2,546,974$3.98BInsider
Vanguard Portfolio Management LLC5.12%2,516,492$3.94BInstitution
State Street Corp4.45%2,188,454$3.42BInstitution
Invesco Ltd3.02%1,485,093$2.32BInstitution
Geode Capital Management LLC2.91%1,432,066$2.24BInstitution

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MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR74.29%25.71%Net SellingNet Selling
NXPI93.32%0.53%Net SellingNet Selling
ALAB70.52%28.68%Net SellingNet Selling
STM12.11%0.00%
UMC1.39%1.24%
View Top Semiconductor Stocks

Monolithic Power Systems Stock Ownership FAQ

Who owns Monolithic Power Systems?

Monolithic Power Systems (NASDAQ: MPWR) is owned by 94.08% institutional shareholders, 32.56% 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 13.31% of the company. Jim J. Jones Iii's Monolithic Power Systems shares are currently valued at $10.22B.

If you're new to stock investing, here's how to buy Monolithic Power Systems stock.
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