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Livermore
Livermore
ZHEN

UBS Group AG

SEC CIK
0001610520
Latest filing
Aug 13, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by UBS Group AG, 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)
449,479
Value
$621.3M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of MPWR by UBS Group AG, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026449,479$621.3M0.1%−90,934−16.8%ReducedHolders
Q1 2026540,413$590.9M0.1%+101,428+23.1%AddedHolders
Q4 2025438,985$397.9M0.1%−89,334−16.9%ReducedHolders
Q3 2025528,319$486.4M0.1%+25,783+5.1%AddedHolders
Q2 2025502,536$367.5M0.1%+145,246+40.7%AddedHolders
Q1 2025357,290$207.2M<0.1%−53,282−13.0%ReducedHolders
Q4 2024410,572$242.9M0.1%+198,150+93.3%AddedHolders
Q3 2024212,422$196.4M0.1%+95,244+81.3%AddedHolders
Q2 2024117,178$96.3M<0.1%−51,357−30.5%ReducedHolders
Q1 2024168,535$114.2M<0.1%−25,751−13.3%ReducedHolders
Q4 2023194,286$122.6M<0.1%+97,357+100.4%AddedHolders
Q3 202396,929$44.8M<0.1%+9,080+10.3%AddedHolders
Q2 202387,849$47.5M<0.1%−19,038−17.8%ReducedHolders
Q1 2023106,887$53.5M<0.1%+35,736+50.2%AddedHolders
Q4 202271,151$25.2M<0.1%+64,098+908.8%AddedHolders
Q3 20227,053$2.56M<0.1%−61,558−89.7%ReducedHolders
Q2 202268,611$26.3M<0.1%−32,795−32.3%ReducedHolders
Q1 2022101,406$49.3M<0.1%+33,456+49.2%AddedHolders
Q4 202167,950$33.5M<0.1%−42,632−38.6%ReducedHolders
Q3 2021110,582$53.6M<0.1%+2,140+2.0%AddedHolders
Q2 2021108,442$40.5M<0.1%−16,794−13.4%ReducedHolders
Q1 2021125,236$44.2M<0.1%––Holders

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