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HM Payson & Co

SEC CIK
0000928052
Latest filing
Jul 17, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by HM Payson & Co, 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)
3
Value
$4.15K
% of portfolio
<0.1%
Quarters held
17
Since Q1 2021
Holdings of MPWR by HM Payson & Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263$4.15K<0.1%00.0%UnchangedHolders
Q1 20263$3.28K<0.1%00.0%UnchangedHolders
Q4 20253$2.72K<0.1%+3NewHolders
Q2 20250$00.0%−10−100.0%Sold outHolders
Q1 202510$5.80K<0.1%00.0%UnchangedHolders
Q4 202410$5.92K<0.1%−24−70.6%ReducedHolders
Q3 202434$31.4K<0.1%+10+41.7%AddedHolders
Q2 202424$19.7K<0.1%00.0%UnchangedHolders
Q1 202424$16.3K<0.1%00.0%UnchangedHolders
Q4 202324$15.1K<0.1%00.0%UnchangedHolders
Q3 202324$11.1K<0.1%00.0%UnchangedHolders
Q2 202324$13.0K<0.1%00.0%UnchangedHolders
Q1 202324$12.0K<0.1%+24NewHolders
Q2 20220$00.0%−42−100.0%Sold outHolders
Q1 202242$20.0K<0.1%00.0%UnchangedHolders
Q4 202142$21.0K<0.1%00.0%UnchangedHolders
Q3 202142$20.0K<0.1%00.0%UnchangedHolders
Q2 202142$16.0K<0.1%00.0%UnchangedHolders
Q1 202142$15.0K<0.1%––Holders

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