MONOLITHIC POWER SYSTEMS INC (MPWR) Institutional Ownership Changes & 13F Activity

MONOLITHIC POWER SYSTEMS INC (MPWR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Parnassus Endeavor Fund, Torray Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Matrix Private Capital Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2024Polen Capital ManagementSell-1463,892$2,636,519
Q4 2023Parnassus Endeavor FundBuy2,34530,663$19,341,607
Q4 2023Sequoia Financial AdvisorsBuy2,0602,060$1,299,579
Q4 2023Polen Capital ManagementBuy1,5494,038$2,547,090
Q4 2023Torray FundBuy663,378$2,130,775
Q3 2023Renaissance Technologies LLCBuy74,400188,386$87,034
Q3 2023Torray FundBuy763,312$1,530,144
Q3 2023Polen Capital ManagementBuy252,489$1,149,918
Q2 2023Renaissance Technologies LLCSell-80,400113,986$61,579
Q2 2023Polen Capital ManagementBuy1,1482,464$1,331,127
Q2 2023Torray FundBuy203,236$1,748,184
Q1 2023Renaissance Technologies LLCBuy102,200194,386$97,298
Q1 2023Parnassus Endeavor FundSell-11,13228,318$14,174,292
Q1 2023Polen Capital ManagementSell-2,5871,316$658,711
Q1 2023Torray FundBuy73,216$1,609,737
Q4 2022Renaissance Technologies LLCSell-331,15592,186$32,598
Q4 2022Parnassus Endeavor FundBuy23,29439,450$13,949,915
Q4 2022Torray FundSell-863,209$1,134,734
Q3 2022Renaissance Technologies LLCBuy327,755423,341$153,842
Q3 2022Parnassus Endeavor FundSell-34,10616,156$5,871
Q3 2022Torray FundSell-773,295$1,197
Q2 2022Renaissance Technologies LLCSell-57,94095,586$36,709
Q2 2022Torray FundBuy83,372$1,295
Q1 2022Renaissance Technologies LLCSell-27,660153,526$74,565
Q1 2022Torray FundBuy1163,364$1,634
Q4 2021Renaissance Technologies LLCBuy100,879181,186$89,384
Q4 2021Torray FundSell-1,3963,248$1,602
Q3 2021Renaissance Technologies LLCSell-22,47980,307$38,923
Q3 2021Matrix Private Capital GroupBuy414414$201
Q3 2021Torray FundBuy184,644$2,251

Frequently asked questions about MPWR activity

  • Which institutional owners are buying MPWR?

    Institutional owners buying MPWR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MPWR activity?

    "Buy" means an investor increased their reported position in MPWR compared to the prior reporting period. This reflects growing exposure to MONOLITHIC POWER SYSTEMS INC (MPWR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MPWR increasing?

    Institutional interest in MPWR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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