Skip to main content

Monolithic Power Systems, Inc.

MPWR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001280452

In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 9 sales; 1,250 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.

13F holders, Q3 2021

Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
579
+51 vs. Q2 2021
Shares held
43.5M
+487.7K (+1.1%) vs. Q2 2021
Total value
$21.1B
+$5.02B (+31.3%) vs. Q2 2021
New holders
92
183 more added
Sold out
41
222 more reduced

5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 579 institutions
Q1 2021: 530 institutionsQ2 2021: 533 institutionsQ3 2021: 579 institutionsQ4 2021: 627 institutionsQ1 2022: 611 institutionsQ2 2022: 625 institutionsQ3 2022: 630 institutionsQ4 2022: 611 institutionsQ1 2023: 669 institutionsQ2 2023: 652 institutionsQ3 2023: 655 institutionsQ4 2023: 737 institutionsQ1 2024: 807 institutionsQ2 2024: 838 institutionsQ3 2024: 885 institutionsQ4 2024: 864 institutionsQ1 2025: 862 institutionsQ2 2025: 907 institutionsQ3 2025: 981 institutionsQ4 2025: 1,061 institutionsQ1 2026: 1,124 institutionsQ2 2026: 1,250 institutions
Value heldQ3 2021: $21.1B
Q1 2021: $15.1BQ2 2021: $16.1BQ3 2021: $21.1BQ4 2021: $21.5BQ1 2022: $21.3BQ2 2022: $16.8BQ3 2022: $16.6BQ4 2022: $16.5BQ1 2023: $23.3BQ2 2023: $25.2BQ3 2023: $21.2BQ4 2023: $28.6BQ1 2024: $31.2BQ2 2024: $38.6BQ3 2024: $42.8BQ4 2024: $27.6BQ1 2025: $27.0BQ2 2025: $34.6BQ3 2025: $43.0BQ4 2025: $44.2BQ1 2026: $51.6BQ2 2026: $65.6B
Institutions holding MPWR and their total value by quarter
QuarterHoldersValue
Q2 20261,250$65.6B
Q1 20261,124$51.6B
Q4 20251,061$44.2B
Q3 2025981$43.0B
Q2 2025907$34.6B
Q1 2025862$27.0B
Q4 2024864$27.6B
Q3 2024885$42.8B
Q2 2024838$38.6B
Q1 2024807$31.2B
Q4 2023737$28.6B
Q3 2023655$21.2B
Q2 2023652$25.2B
Q1 2023669$23.3B
Q4 2022611$16.5B
Q3 2022630$16.6B
Q2 2022625$16.8B
Q1 2022611$21.3B
Q4 2021627$21.5B
Q3 2021579$21.1B
Q2 2021533$16.1B
Q1 2021530$15.1B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2021.

Institutions holding MPWR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Legacy Wealth Asset Management, LLC899$436.0K0.20%+7+0.8%Added
O'Shaughnessy Asset Management, LLC889$431.0K0.01%+246+38.3%Added
Edmond de Rothschild Holding S.A.883$428.0K0.01%+296+50.4%Added
Veriti Management LLC868$421.0K0.06%+868New
YorkBridge Wealth Partners, LLC859$416.0K0.10%−39−4.3%Reduced
Stonnington Group, LLC879$412.0K0.09%00.0%Unchanged
Squarepoint Ops LLC842$408.0K0.00%+219+35.2%Added
Echo Street Capital Management LLC841$408.0K0.00%+841New
Greenleaf Trust812$394.0K0.00%+36+4.6%Added
Asahi Life Asset Management Co., Ltd.805$390.0K0.05%+805New
Values First Advisors, Inc.794$385.0K0.25%−149−15.8%Reduced
Bayesian Capital Management, LP793$384.0K0.11%+793New
9258 Wealth Management, LLC774$375.0K0.10%+1+0.1%Added
Foundations Investment Advisors, LLC793$372.0K0.02%+154+24.1%Added
Foundry Partners, LLC754$365.0K0.01%+754New
Coldstream Capital Management Inc1,284$359.0K0.02%−8,301−86.6%Reduced
Moneta Group Investment Advisors LLC741$359.0K0.02%+82+12.4%Added
Boston Private Wealth LLC742$359.0K0.00%+152+25.8%Added
World Asset Management Inc733$355.0K0.04%−87−10.6%Reduced
XML Financial, LLC729$353.0K0.05%+729New
Kestra Private Wealth Services, LLC725$351.0K0.02%+725New
Chiron Investment Management, LLC717$348.0K0.06%+717New
CWM Advisors, LLC710$344.0K0.04%+710New
Pensionfund DSM Netherlands700$339.0K0.04%+700New
Symmetry Partners, LLC716$336.0K0.02%−1,014−58.6%Reduced
Moody Aldrich Partners LLC683$331.0K0.04%00.0%Unchanged
Riverstone Advisors, LLC656$318.0K0.15%00.0%Unchanged
Enterprise Financial Services Corp654$317.0K0.04%+635+3,342.1%Added
Integrated Wealth Concepts LLC651$316.0K0.01%+94+16.9%Added
Marathon Capital Management649$315.0K0.07%00.0%Unchanged
Dorsey Wright & Associates647$314.0K0.07%+647New
Milestone Advisory Partners645$313.0K0.18%00.0%Unchanged
Old National Bancorp632$306.0K0.01%−28−4.2%Reduced
Wetherby Asset Management Inc629$305.0K0.02%+3+0.5%Added
Citizens Financial Group Inc624$303.0K0.01%+624New
Federation des caisses Desjardins du Quebec614$297.3K0.00%−263−30.0%Reduced
Spire Wealth Management604$293.0K0.01%00.0%Unchanged
Proequities, Inc.602$292.0K0.02%−25−4.0%Reduced
JSF Financial, LLC600$291.0K0.14%+600New
First Bank & Trust595$288.0K0.13%00.0%Unchanged
Beacon Pointe Advisors, LLC590$286.0K0.01%−463−44.0%Reduced
First National Bank of Hutchinson591$286.0K0.16%+2+0.3%Added
Ameritas Investment Partners, Inc.588$285.0K0.01%−39−6.2%Reduced
Bokf, NA589$285.0K0.00%+589New
Regentatlantic Capital LLC579$281.0K0.01%+579New
Buckingham Strategic Wealth, LLC571$277.0K0.01%−100−14.9%Reduced
Navellier & Associates Inc565$274.0K0.04%−120−17.5%Reduced
Ieq Capital, LLC560$272.0K0.01%+560New
Vantage Consulting Group Inc558$270.0K0.06%−97−14.8%Reduced
DuPont Capital Management Corp553$268.0K0.01%+553New
Emerald Advisers, LLC549$266.0K0.01%+13+2.4%Added
D.A. Davidson & Co.538$261.0K0.00%+538New
Arabesque Asset Management Ltd529$256.0K0.09%−7,402−93.3%Reduced
Worldquant Millennium Advisors LLC527$255.0K0.01%−33,171−98.4%Reduced
Gilbert & Cook, Inc.519$252.0K0.05%−87−14.4%Reduced
Northwestern Mutual Wealth Management Co514$250.0K0.00%−114−18.2%Reduced
Independent Financial Group, LLC515$249.6K0.03%+515New
Waldron Private Wealth LLC508$246.0K0.01%+508New
Shay Capital LLC500$242.0K0.08%−650−56.5%Reduced
First Mercantile Trust Co494$239.0K0.03%−194−28.2%Reduced
Meiji Yasuda Asset Management Co Ltd.489$237.0K0.02%+489New
Quantinno Capital Management LP485$235.0K0.26%+485New
Signaturefd, LLC483$234.0K0.01%+62+14.7%Added
E Fund Management Co., Ltd.475$230.0K0.01%+475New
Marquette Asset Management, LLC461$223.0K0.05%00.0%Unchanged
Bridgefront Capital, LLC453$220.0K0.23%+453New
Regions Financial Corp444$215.0K0.00%−104−19.0%Reduced
Diversified Trust Co442$214.0K0.01%+442New
Siemens Fonds Invest GmbH438$212.0K0.01%+438New
Claraphi Advisory Network, LLC431$209.0K0.07%−846−66.2%Reduced
Quadrant Capital Group LLC429$208.0K0.03%+13+3.1%Added
Evergreen Capital Management LLC430$208.0K0.01%+430New
PGGM Investments429$208.0K0.00%+429New
Resources Investment Advisors, LLC.429$208.0K0.01%+429New
First National Bank of Omaha416$202.0K0.01%+416New
Stephens Inc414$201.0K0.00%+414New
Matrix Private Capital Group LLC414$201.0K0.11%+414New
Private Capital Group, LLC371$180.0K0.04%+17+4.8%Added
Capital Analysts, LLC369$179.0K0.01%00.0%Unchanged
Sentry Investment Management LLC344$167.0K0.05%+153+80.1%Added
Canada Pension Plan Investment Board341$165.0K0.00%+214+168.5%Added
Harvest Fund Management Co., Ltd326$158.0K0.04%+224+219.6%Added
Exchange Traded Concepts, LLC323$157.0K0.00%−252−43.8%Reduced
Leonteq Securities AG300$145.4K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt300$145.0K0.01%−400−57.1%Reduced
Group One Trading, L.P.297$144.0K0.00%+297New
Johnson Financial Group, Inc.265$128.0K0.01%−77−22.5%Reduced
Berman Capital Advisors, LLC253$122.0K0.02%+93+58.1%Added
Parallel Advisors, LLC249$121.0K0.00%+104+71.7%Added
Dark Forest Capital Management LP242$117.0K0.04%+242New
Global Retirement Partners, LLC218$106.0K0.01%+28+14.7%Added
Smithfield Trust Co213$104.0K0.01%+213New
State of Wyoming174$84.0K0.05%−52−23.0%Reduced
Huntington National Bank164$79.0K0.00%00.0%Unchanged
Optiver Holding B.V.155$75.0K0.00%+155New
NVWM, LLC150$73.0K0.03%00.0%Unchanged
Phoenix Wealth Advisors150$73.0K0.05%+150New
Atticus Wealth Management, LLC148$72.0K0.03%+148New
Koshinski Asset Management, Inc.147$71.2K0.01%+147New
Creative Financial Designs Inc144$70.0K0.01%00.0%Unchanged