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

Insider buying vs selling

Have Monolithic Power Systems Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Saria TsengEVP General Counsel2025-10-161,313$1.03k
$1.35MSell
Saria TsengEVP General Counsel2025-10-161,499$1.02k
$1.53MSell
Saria TsengEVP General Counsel2025-10-1514,028$1.02k
$14.25MSell
Theodore BlegenEVP and CFO2025-10-01440$915.43
$402.79kSell
Theodore BlegenEVP and CFO2025-10-01390$914.71
$356.74kSell
Theodore BlegenEVP and CFO2025-10-016$902.61
$5.42kSell
Theodore BlegenEVP and CFO2025-10-01160$917.17
$146.75kSell
Theodore BlegenEVP and CFO2025-10-01580$916.37
$531.49kSell
Theodore BlegenEVP and CFO2025-10-01138$913.87
$126.11kSell
Theodore BlegenEVP and CFO2025-10-01676$912.73
$617.01kSell

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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 Iii13.65%6,538,897$6.57BInsider
Vanguard Group Inc12.40%5,939,946$5.97BInstitution
Blackrock Inc10.92%5,229,221$5.25BInstitution
Kuo Wei Herbert Chang9.47%4,536,727$4.56BInsider
Fmr LLC7.08%3,392,704$3.41BInstitution
Michael Hsing5.25%2,513,378$2.53BInsider
State Street Corp4.43%2,120,034$2.13BInstitution
Price T Rowe Associates Inc4.36%2,088,804$2.10BInstitution
Geode Capital Management LLC2.75%1,318,541$1.32BInstitution
Invesco Ltd2.43%1,166,059$1.17BInstitution

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MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR74.99%25.01%Net SellingNet Selling
NXPI91.40%0.53%Net SellingNet Selling
MCHP74.78%25.22%Net BuyingNet Buying
STM9.83%0.00%
ALAB61.75%31.29%Net SellingNet Selling

Monolithic Power Systems Stock Ownership FAQ

Who owns Monolithic Power Systems?

Monolithic Power Systems (NASDAQ: MPWR) is owned by 98.64% institutional shareholders, 32.89% 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 $6.75B.

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