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
Theodore BlegenEVP and CFO2025-09-02100$804.64
$80.46kSell
Theodore BlegenEVP and CFO2025-09-02100$812.84
$81.28kSell
Theodore BlegenEVP and CFO2025-09-02500$811.45
$405.73kSell
Theodore BlegenEVP and CFO2025-09-02100$808.53
$80.85kSell
Theodore BlegenEVP and CFO2025-09-02200$806.57
$161.31kSell
Theodore BlegenEVP and CFO2025-09-02100$818.44
$81.84kSell
Theodore BlegenEVP and CFO2025-09-02574$816.47
$468.65kSell
Theodore BlegenEVP and CFO2025-09-02100$803.43
$80.34kSell
Theodore BlegenEVP and CFO2025-09-02200$814.75
$162.95kSell
Theodore BlegenEVP and CFO2025-09-02200$820.70
$164.14kSell

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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$5.45BInsider
Vanguard Group Inc12.40%5,939,946$4.95BInstitution
Blackrock Inc10.92%5,229,221$4.36BInstitution
Kuo Wei Herbert Chang9.47%4,536,727$3.78BInsider
Fmr LLC7.08%3,392,704$2.83BInstitution
Michael Hsing5.25%2,513,378$2.10BInsider
State Street Corp4.43%2,120,034$1.77BInstitution
Price T Rowe Associates Inc4.36%2,088,804$1.74BInstitution
Geode Capital Management LLC2.75%1,318,541$1.10BInstitution
Invesco Ltd2.43%1,166,059$972.66MInstitution

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MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR74.93%25.07%Net SellingNet Selling
ALAB61.75%31.29%Net SellingNet Selling
MCHP74.74%25.26%Net BuyingNet Buying
NXPI91.38%0.53%Net SellingNet Selling
STM9.84%0.00%

Monolithic Power Systems Stock Ownership FAQ

Who owns Monolithic Power Systems?

Monolithic Power Systems (NASDAQ: MPWR) is owned by 98.51% institutional shareholders, 32.97% 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 $5.56B.

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