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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 8 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
Capital Analysts, LLC369$179.0K0.01%00.0%Unchanged
Private Capital Group, LLC371$180.0K0.04%+17+4.8%Added
Stephens Inc414$201.0K0.00%+414New
Matrix Private Capital Group LLC414$201.0K0.11%+414New
First National Bank of Omaha416$202.0K0.01%+416New
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
Claraphi Advisory Network, LLC431$209.0K0.07%−846−66.2%Reduced
Siemens Fonds Invest GmbH438$212.0K0.01%+438New
Diversified Trust Co442$214.0K0.01%+442New
Regions Financial Corp444$215.0K0.00%−104−19.0%Reduced
Bridgefront Capital, LLC453$220.0K0.23%+453New
Marquette Asset Management, LLC461$223.0K0.05%00.0%Unchanged
E Fund Management Co., Ltd.475$230.0K0.01%+475New
Signaturefd, LLC483$234.0K0.01%+62+14.7%Added
Quantinno Capital Management LP485$235.0K0.26%+485New
Meiji Yasuda Asset Management Co Ltd.489$237.0K0.02%+489New
First Mercantile Trust Co494$239.0K0.03%−194−28.2%Reduced
Shay Capital LLC500$242.0K0.08%−650−56.5%Reduced
Waldron Private Wealth LLC508$246.0K0.01%+508New
Independent Financial Group, LLC515$249.6K0.03%+515New
Northwestern Mutual Wealth Management Co514$250.0K0.00%−114−18.2%Reduced
Gilbert & Cook, Inc.519$252.0K0.05%−87−14.4%Reduced
Worldquant Millennium Advisors LLC527$255.0K0.01%−33,171−98.4%Reduced
Arabesque Asset Management Ltd529$256.0K0.09%−7,402−93.3%Reduced
D.A. Davidson & Co.538$261.0K0.00%+538New
Emerald Advisers, LLC549$266.0K0.01%+13+2.4%Added
DuPont Capital Management Corp553$268.0K0.01%+553New
Vantage Consulting Group Inc558$270.0K0.06%−97−14.8%Reduced
Ieq Capital, LLC560$272.0K0.01%+560New
Navellier & Associates Inc565$274.0K0.04%−120−17.5%Reduced
Buckingham Strategic Wealth, LLC571$277.0K0.01%−100−14.9%Reduced
Regentatlantic Capital LLC579$281.0K0.01%+579New
Ameritas Investment Partners, Inc.588$285.0K0.01%−39−6.2%Reduced
Bokf, NA589$285.0K0.00%+589New
Beacon Pointe Advisors, LLC590$286.0K0.01%−463−44.0%Reduced
First National Bank of Hutchinson591$286.0K0.16%+2+0.3%Added
First Bank & Trust595$288.0K0.13%00.0%Unchanged
JSF Financial, LLC600$291.0K0.14%+600New
Proequities, Inc.602$292.0K0.02%−25−4.0%Reduced
Spire Wealth Management604$293.0K0.01%00.0%Unchanged
Federation des caisses Desjardins du Quebec614$297.3K0.00%−263−30.0%Reduced
Citizens Financial Group Inc624$303.0K0.01%+624New
Wetherby Asset Management Inc629$305.0K0.02%+3+0.5%Added
Old National Bancorp632$306.0K0.01%−28−4.2%Reduced
Milestone Advisory Partners645$313.0K0.18%00.0%Unchanged
Dorsey Wright & Associates647$314.0K0.07%+647New
Marathon Capital Management649$315.0K0.07%00.0%Unchanged
Integrated Wealth Concepts LLC651$316.0K0.01%+94+16.9%Added
Enterprise Financial Services Corp654$317.0K0.04%+635+3,342.1%Added
Riverstone Advisors, LLC656$318.0K0.15%00.0%Unchanged
Moody Aldrich Partners LLC683$331.0K0.04%00.0%Unchanged
Symmetry Partners, LLC716$336.0K0.02%−1,014−58.6%Reduced
Pensionfund DSM Netherlands700$339.0K0.04%+700New
CWM Advisors, LLC710$344.0K0.04%+710New
Chiron Investment Management, LLC717$348.0K0.06%+717New
Kestra Private Wealth Services, LLC725$351.0K0.02%+725New
XML Financial, LLC729$353.0K0.05%+729New
World Asset Management Inc733$355.0K0.04%−87−10.6%Reduced
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
Foundry Partners, LLC754$365.0K0.01%+754New
Foundations Investment Advisors, LLC793$372.0K0.02%+154+24.1%Added
9258 Wealth Management, LLC774$375.0K0.10%+1+0.1%Added
Bayesian Capital Management, LP793$384.0K0.11%+793New
Values First Advisors, Inc.794$385.0K0.25%−149−15.8%Reduced
Asahi Life Asset Management Co., Ltd.805$390.0K0.05%+805New
Greenleaf Trust812$394.0K0.00%+36+4.6%Added
Squarepoint Ops LLC842$408.0K0.00%+219+35.2%Added
Echo Street Capital Management LLC841$408.0K0.00%+841New
Stonnington Group, LLC879$412.0K0.09%00.0%Unchanged
YorkBridge Wealth Partners, LLC859$416.0K0.10%−39−4.3%Reduced
Veriti Management LLC868$421.0K0.06%+868New
Edmond de Rothschild Holding S.A.883$428.0K0.01%+296+50.4%Added
O'Shaughnessy Asset Management, LLC889$431.0K0.01%+246+38.3%Added
Legacy Wealth Asset Management, LLC899$436.0K0.20%+7+0.8%Added
Corient Capital Partners, LLC902$437.0K0.03%−13−1.4%Reduced
Advisory Services Network, LLC901$437.0K0.01%+696+339.5%Added
Toroso Investments, LLC907$440.0K0.02%+151+20.0%Added
Lido Advisors, LLC913$442.0K0.01%+913New
NEXT Financial Group, Inc939$455.0K0.04%+82+9.6%Added
Cresset Asset Management, LLC952$461.0K0.01%+295+44.9%Added
Next Century Growth Investors LLC968$469.0K0.04%−14,790−93.9%Reduced
RFG Advisory, LLC1,014$492.0K0.04%−144−12.4%Reduced
Redpoint Investment Management Pty Ltd1,021$495.0K0.04%00.0%Unchanged
FDx Advisors, Inc.1,029$499.0K0.02%+23+2.3%Added
Citadel Advisors LLC1,036$502.0K0.00%−283,068−99.6%Reduced
Advisor Partners LLC1,038$503.0K0.03%−68−6.1%Reduced
Canandaigua National Corp1,044$506.0K0.08%−150−12.6%Reduced
Pinnacle Financial Partners Inc1,046$507.0K0.02%−5−0.5%Reduced
Cullen/Frost Bankers, Inc.1,057$512.0K0.01%00.0%Unchanged
Cetera Investment Advisers1,056$512.0K0.01%+246+30.4%Added
Banco Bilbao Vizcaya Argentaria, S.A.1,058$513.0K0.01%+23+2.2%Added
JB Capital LLC1,065$516.0K0.07%+1,065New
American Portfolios Advisors1,089$527.8K0.02%+43+4.1%Added
Meeder Asset Management Inc1,087$528.0K0.03%+946+670.9%Added
Kentucky Retirement Systems Insurance Trust Fund1,115$540.0K0.06%−4−0.4%Reduced