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Livermore
Livermore
ZHEN

FMR LLC

SEC CIK
0000315066
Latest filing
Aug 13, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by FMR LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MPWR overviewAll 13F holders of MPWRFull Q2 2026 holdings

Shares (Q2 2026)
5,177,258
Value
$7.16B
% of portfolio
0.3%
Quarters held
22
Since Q1 2021
Holdings of MPWR by FMR LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,177,258$7.16B0.3%+776,427+17.6%AddedHolders
Q1 20264,400,831$4.81B0.3%+423,823+10.7%AddedHolders
Q4 20253,977,008$3.60B0.2%+412,212+11.6%AddedHolders
Q3 20253,564,796$3.28B0.2%+172,092+5.1%AddedHolders
Q2 20253,392,704$2.48B0.1%−106,005−3.0%ReducedHolders
Q1 20253,498,709$2.03B0.1%+380,562+12.2%AddedHolders
Q4 20243,118,147$1.85B0.1%−401,229−11.4%ReducedHolders
Q3 20243,519,376$3.25B0.2%+361,416+11.4%AddedHolders
Q2 20243,157,960$2.59B0.2%+348,590+12.4%AddedHolders
Q1 20242,809,370$1.90B0.1%+281,245+11.1%AddedHolders
Q4 20232,528,125$1.59B0.1%−1,055,678−29.5%ReducedHolders
Q3 20233,583,803$1.66B0.1%+929,009+35.0%AddedHolders
Q2 20232,654,794$1.43B0.1%+897,645+51.1%AddedHolders
Q1 20231,757,149$879.5M0.1%+293,326+20.0%AddedHolders
Q4 20221,463,823$517.6M0.1%+192,825+15.2%AddedHolders
Q3 20221,270,998$461.9M<0.1%+475,119+59.7%AddedHolders
Q2 2022795,879$305.6M<0.1%+443,857+126.1%AddedHolders
Q1 2022352,022$171.0M<0.1%+5,102+1.5%AddedHolders
Q4 2021346,920$171.1M<0.1%+50,188+16.9%AddedHolders
Q3 2021296,732$143.8M<0.1%+63,515+27.2%AddedHolders
Q2 2021233,217$87.1M<0.1%−135,453−36.7%ReducedHolders
Q1 2021368,670$130.2M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.