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 CFO2026-01-02460$938.52
$431.72kSell
Theodore BlegenEVP and CFO2026-01-02120$936.50
$112.38kSell
Theodore BlegenEVP and CFO2026-01-0280$935.33
$74.83kSell
Theodore BlegenEVP and CFO2026-01-0240$934.74
$37.39kSell
Theodore BlegenEVP and CFO2026-01-0280$933.64
$74.69kSell
Theodore BlegenEVP and CFO2026-01-02194$930.86
$180.59kSell
Theodore BlegenEVP and CFO2026-01-0280$927.61
$74.21kSell
Theodore BlegenEVP and CFO2026-01-02650$944.35
$613.83kSell
Theodore BlegenEVP and CFO2026-01-02539$943.71
$508.66kSell
Theodore BlegenEVP and CFO2026-01-0274$942.42
$69.74kSell

1 of 23

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
Lombard Odier Asset Management Europe Ltd47.36%22,690,966$26.36BInstitution
Jim J. Jones Iii13.65%6,538,897$7.60BInsider
Vanguard Group Inc12.68%6,074,033$7.06BInstitution
Blackrock Inc11.95%5,726,774$6.65BInstitution
Kuo Wei Herbert Chang9.47%4,536,527$5.27BInsider
Fmr LLC7.44%3,564,796$4.14BInstitution
Michael Hsing5.44%2,605,043$3.03BInsider
State Street Corp4.46%2,134,704$2.48BInstitution
Price T Rowe Associates Inc3.29%1,573,798$1.83BInstitution
Geode Capital Management LLC2.79%1,337,697$1.55BInstitution

1 of 3

MPWR vs Semiconductor Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPWR81.23%18.77%Net SellingNet Selling
NXPI90.33%0.54%Net SellingNet Selling
MRVL67.39%32.61%Net SellingNet Selling
MCHP73.27%26.73%Net SellingNet Selling
ALAB65.55%30.49%Net SellingNet Selling

Monolithic Power Systems Stock Ownership FAQ

Who owns Monolithic Power Systems?

Monolithic Power Systems (NASDAQ: MPWR) is owned by 145.00% institutional shareholders, 33.51% 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 $7.74B.

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