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Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

MPWR holding history

Monolithic Power Systems, Inc. in every 13F filed by Citadel 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)
63,487
Value
$87.8M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of MPWR by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202663,487$87.8M0.1%+49,975+369.9%AddedHolders
Q1 202613,512$14.8M<0.1%+2,283+20.3%AddedHolders
Q4 202511,229$10.2M<0.1%−249,237−95.7%ReducedHolders
Q3 2025260,466$239.8M0.2%+252,816+3,304.8%AddedHolders
Q2 20257,650$5.60M<0.1%+6,875+887.1%AddedHolders
Q1 2025775$449.5K<0.1%−130,335−99.4%ReducedHolders
Q4 2024131,110$77.6M0.1%+128,756+5,469.7%AddedHolders
Q3 20242,354$2.18M<0.1%−2,399−50.5%ReducedHolders
Q2 20244,753$3.91M<0.1%−14,718−75.6%ReducedHolders
Q1 202419,471$13.2M<0.1%+6,070+45.3%AddedHolders
Q4 202313,401$8.45M<0.1%−46,643−77.7%ReducedHolders
Q3 202360,044$27.7M<0.1%+58,374+3,495.4%AddedHolders
Q2 20231,670$902.2K<0.1%−175,677−99.1%ReducedHolders
Q1 2023177,347$88.8M0.1%+174,965+7,345.3%AddedHolders
Q4 20222,382$842.3K<0.1%−145,401−98.4%ReducedHolders
Q3 2022147,783$53.7M0.1%−7,903−5.1%ReducedHolders
Q2 2022155,686$59.8M0.1%−140,528−47.4%ReducedHolders
Q1 2022296,214$143.9M0.2%+261,338+749.3%AddedHolders
Q4 202134,876$17.2M<0.1%+33,840+3,266.4%AddedHolders
Q3 20211,036$502.0K<0.1%−283,068−99.6%ReducedHolders
Q2 2021284,104$106.1M0.1%+223,243+366.8%AddedHolders
Q1 202160,861$21.5M<0.1%––Holders

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