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Livermore
Livermore
ZHEN

Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by Fred Alger Management, 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)
16,612
Value
$23.0M
% of portfolio
0.1%
Quarters held
20
Since Q1 2021
Holdings of MPWR by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202616,612$23.0M0.1%+198+1.2%AddedHolders
Q1 202616,414$18.0M0.1%−1,185−6.7%ReducedHolders
Q4 202517,599$16.0M0.1%+2,425+16.0%AddedHolders
Q3 202515,174$14.0M0.1%−3,028−16.6%ReducedHolders
Q2 202518,202$13.3M0.1%−606−3.2%ReducedHolders
Q1 202518,808$10.9M0.1%+1,415+8.1%AddedHolders
Q4 202417,393$10.3M<0.1%+2,241+14.8%AddedHolders
Q3 202415,152$14.0M0.1%+966+6.8%AddedHolders
Q2 202414,186$11.7M0.1%−1,084−7.1%ReducedHolders
Q1 202415,270$10.3M0.1%+5,871+62.5%AddedHolders
Q4 20239,399$5.93M<0.1%+47+0.5%AddedHolders
Q3 20239,352$4.32M<0.1%+2,206+30.9%AddedHolders
Q2 20237,146$3.86M<0.1%+7,146NewHolders
Q4 20220$00.0%−181,281−100.0%Sold outHolders
Q3 2022181,281$65.9M0.3%−534−0.3%ReducedHolders
Q2 2022181,815$69.8M0.3%−133,412−42.3%ReducedHolders
Q1 2022315,227$153.1M0.5%−90,691−22.3%ReducedHolders
Q4 2021405,918$200.3M0.5%−152,059−27.3%ReducedHolders
Q3 2021557,977$270.4M0.6%+1,825+0.3%AddedHolders
Q2 2021556,152$207.7M0.5%−240,187−30.2%ReducedHolders
Q1 2021796,339$281.3M0.7%––Holders

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