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 2016Renaissance Technologies LLCBuy252,200693,286$44,121
Q4 2015Renaissance Technologies LLCSell-8,314441,086$28,102
Q3 2015Renaissance Technologies LLCSell-3,100449,400$23,009
Q2 2015Renaissance Technologies LLCBuy2,514452,500$22,946
Q1 2015Renaissance Technologies LLCBuy16,900449,986$23,692
Q4 2014Renaissance Technologies LLCBuy30,100433,086$21,542
Q3 2014Renaissance Technologies LLCSell-75,300402,986$17,752
Q2 2014Renaissance Technologies LLCSell-43,200478,286$20,255
Q1 2014Renaissance Technologies LLCBuy296,600521,486$20,218
Q4 2013Renaissance Technologies LLCBuy200,586224,886$7,795
Q3 2013Renaissance Technologies LLCSell-3,70024,300$736
Q2 2013Renaissance Technologies LLCBuy28,00028,000$675

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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