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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
Robert W. Dean IiCFO;Interim2026-08-2432$1.30k
$41.53kSell
Kuo Wei Herbert ChangDirector2026-08-2450$1.28k
$64.08kSell
Robert W. Dean IiCFO;Interim2026-08-176$1.41k
$8.48kSell
Kuo Wei Herbert ChangDirector2026-08-1150$1.42k
$71.00kSell
Robert W. Dean IiCFO;Interim2026-08-05105$1.34k
$141.15kSell
Maurice SciammasEVP2026-08-0330$1.34k
$40.32kSell
Maurice SciammasEVP2026-07-15274$1.32k
$361.25kSell
Maurice SciammasEVP2026-07-15527$1.31k
$692.49kSell
Maurice SciammasEVP2026-07-1550$1.39k
$69.41kSell
Maurice SciammasEVP2026-07-15410$1.38k
$567.49kSell

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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$8.02BInsider
Kuo Wei Herbert Chang9.23%4,536,616$5.56BInsider
Michael Hsing5.18%2,546,974$3.12BInsider
James C. Moyer1.38%678,332$831.61MInsider
Paul Ueunten0.87%429,501$526.55MInsider
Maurice Sciammas0.66%323,507$396.61MInsider
Deming Xiao0.65%317,083$388.73MInsider
Meera Rao0.50%243,534$298.56MInsider
Saria Tseng0.32%155,218$190.29MInsider
Theodore Blegen0.19%93,015$114.03MInsider

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MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR0.10%32.53%Net SellingNet Selling
NXPI0.10%0.53%Net SellingNet Selling
UMC0.00%1.23%Net SellingNet Selling
ALAB0.07%35.92%Net SellingNet Selling
STM0.02%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 0.10% institutional shareholders, 32.53% Monolithic Power Systems insiders, and 67.37% 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 $7.97B.

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