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Livermore
Livermore
ZHEN

Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by Calamos Advisors 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)
3,122
Value
$4.32M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of MPWR by Calamos Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20263,122$4.32M<0.1%−1,246−28.5%ReducedHolders
Q1 20264,368$4.78M<0.1%+1,478+51.1%AddedHolders
Q4 20252,890$2.62M<0.1%−226−7.3%ReducedHolders
Q3 20253,116$2.87M<0.1%+343+12.4%AddedHolders
Q2 20252,773$2.03M<0.1%+2,773NewHolders
Q4 20240$00.0%−317−100.0%Sold outHolders
Q3 2024317$293.1K<0.1%−2,273−87.8%ReducedHolders
Q2 20242,590$2.13M<0.1%+2,073+401.0%AddedHolders
Q1 2024517$350.2K<0.1%−25,250−98.0%ReducedHolders
Q4 202325,767$16.3M0.1%−354−1.4%ReducedHolders
Q3 202326,121$12.1M0.1%−1,034−3.8%ReducedHolders
Q2 202327,155$14.7M0.1%−2,093−7.2%ReducedHolders
Q1 202329,248$14.6M0.1%−3,265−10.0%ReducedHolders
Q4 202232,513$11.5M0.1%+31,381+2,772.2%AddedHolders
Q3 20221,132$411.0K<0.1%−2,273−66.8%ReducedHolders
Q2 20223,405$1.31M<0.1%+836+32.5%AddedHolders
Q1 20222,569$1.25M<0.1%00.0%UnchangedHolders
Q4 20212,569$1.27M<0.1%−1,024−28.5%ReducedHolders
Q3 20213,593$1.74M<0.1%+49+1.4%AddedHolders
Q2 20213,544$1.32M<0.1%00.0%UnchangedHolders
Q1 20213,544$1.25M<0.1%––Holders

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