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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, Q2 2021

Institutional positions in Monolithic Power Systems, Inc. as of Jun 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
533
+10 vs. Q1 2021
Shares held
43.1M
+1.24M (+3.0%) vs. Q1 2021
Total value
$16.1B
+$1.31B (+8.9%) vs. Q1 2021
New holders
62
214 more added
Sold out
52
186 more reduced

7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 533 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 heldQ2 2021: $16.1B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2021.

Institutions holding MPWR in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
9258 Wealth Management, LLC773$289.0K0.08%+14+1.8%Added
Toroso Investments, LLC756$282.0K0.01%+756New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main741$276.7K0.00%−8,506−92.0%Reduced
Teza Capital Management LLC738$276.0K0.04%−571−43.6%Reduced
Livforsakringsbolaget Skandia, Omsesidigt700$261.0K0.02%00.0%Unchanged
First Mercantile Trust Co688$257.0K0.03%−39−5.4%Reduced
Navellier & Associates Inc685$256.0K0.04%−20,803−96.8%Reduced
Moody Aldrich Partners LLC683$255.0K0.04%−10−1.4%Reduced
Buckingham Strategic Wealth, LLC671$251.0K0.01%−2−0.3%Reduced
Old National Bancorp660$246.0K0.01%−528−44.4%Reduced
Moneta Group Investment Advisors LLC659$246.0K0.01%−40−5.7%Reduced
Cresset Asset Management, LLC657$246.0K0.00%+83+14.5%Added
Riverstone Advisors, LLC656$245.0K0.12%00.0%Unchanged
Vantage Consulting Group Inc655$245.0K0.04%+655New
Foundations Investment Advisors, LLC639$244.0K0.01%+639New
Gotham Asset Management, LLC648$242.0K0.01%−846−56.6%Reduced
Marathon Capital Management649$242.0K0.06%00.0%Unchanged
Milestone Advisory Partners645$241.0K0.13%00.0%Unchanged
O'Shaughnessy Asset Management, LLC643$240.0K0.00%+193+42.9%Added
Northwestern Mutual Wealth Management Co628$235.0K0.00%−4,104−86.7%Reduced
Proequities, Inc.627$235.0K0.01%−29−4.4%Reduced
Ameritas Investment Partners, Inc.627$234.0K0.01%00.0%Unchanged
Wetherby Asset Management Inc626$234.0K0.01%+626New
Squarepoint Ops LLC623$233.0K0.00%−33,403−98.2%Reduced
Gilbert & Cook, Inc.606$226.0K0.04%−372−38.0%Reduced
Spire Wealth Management604$226.0K0.01%−11−1.8%Reduced
First Bank & Trust595$222.0K0.11%+124+26.3%Added
Boston Private Wealth LLC590$221.0K0.00%+590New
First National Bank of Hutchinson589$220.0K0.11%−37−5.9%Reduced
Edmond de Rothschild Holding S.A.587$220.0K0.01%+88+17.6%Added
Exchange Traded Concepts, LLC575$215.0K0.01%+111+23.9%Added
Integrated Wealth Concepts LLC557$208.0K0.01%−158−22.1%Reduced
Regions Financial Corp548$205.0K0.00%+548New
Caxton Associates LP538$201.0K0.03%+538New
Emerald Advisers, LLC536$200.0K0.01%+536New
Rockefeller Capital Management L.P.516$191.0K0.00%−1,715−76.9%Reduced
Standard Family Office LLC492$184.0K0.04%+5+1.0%Added
Marquette Asset Management, LLC461$172.0K0.04%00.0%Unchanged
Signaturefd, LLC421$157.0K0.01%−8−1.9%Reduced
Quadrant Capital Group LLC416$155.0K0.02%−42−9.2%Reduced
Ci Investments Inc.372$139.0K0.00%−2,129−85.1%Reduced
Capital Analysts, LLC369$138.0K0.01%+1+0.3%Added
Private Capital Group, LLC354$132.0K0.03%+339+2,260.0%Added
Johnson Financial Group, Inc.342$128.0K0.01%+342New
Pinebridge Investments, L.P.332$124.0K0.00%−8,817−96.4%Reduced
Leonteq Securities AG300$112.0K0.01%+300New
Parisi Gray Wealth Management288$108.0K0.04%+288New
Benjamin F. Edwards & Company, Inc.234$87.0K0.00%−1,890−89.0%Reduced
State of Wyoming226$84.0K0.05%+210+1,312.5%Added
Advisory Services Network, LLC205$77.0K0.00%+205New
Sentry Investment Management LLC191$71.0K0.02%00.0%Unchanged
Global Retirement Partners, LLC190$71.0K0.01%+57+42.9%Added
Huntington National Bank164$61.0K0.00%−4−2.4%Reduced
Berman Capital Advisors, LLC160$59.0K0.01%+4+2.6%Added
NVWM, LLC150$56.0K0.02%00.0%Unchanged
Creative Financial Designs Inc144$54.0K0.01%00.0%Unchanged
Parallel Advisors, LLC145$54.0K0.00%+64+79.0%Added
Meeder Asset Management Inc141$53.0K0.00%−761−84.4%Reduced
Archer Investment Corp134$50.0K0.02%00.0%Unchanged
Ceredex Value Advisors LLC135$50.0K0.00%+35+35.0%Added
Canada Pension Plan Investment Board127$47.0K0.00%+127New
Norway Savings Bank120$45.0K0.02%00.0%Unchanged
Sageworth Trust Co120$45.0K0.00%+120New
Newfound Research LLC113$42.0K0.08%−27−19.3%Reduced
Harbour Investments, Inc.100$38.0K0.00%+65+185.7%Added
Harvest Fund Management Co., Ltd102$37.0K0.00%−146−58.9%Reduced
CWM, LLC90$34.0K0.00%00.0%Unchanged
First Horizon Corp89$33.0K0.00%+2+2.3%Added
Baillie Gifford & Co83$31.0K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc84$31.0K0.00%+23+37.7%Added
Concord Wealth Partners81$30.0K0.01%+17+26.6%Added
JJJ Advisors Inc.77$29.0K0.01%+12+18.5%Added
West Oak Capital, LLC75$28.0K0.01%00.0%Unchanged
Heritage Wealth Management, LLC72$27.0K0.01%00.0%Unchanged
Fieldpoint Private Securities, LLC55$25.0K0.01%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.65$24.0K0.01%00.0%Unchanged
Geneos Wealth Management Inc.64$24.0K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC56$21.0K0.01%−4−6.7%Reduced
IFP Advisors, Inc53$19.0K0.00%−73−57.9%Reduced
BerganKDV Wealth Management, LLC51$19.0K0.00%00.0%Unchanged
Castleview Partners, LLC51$19.0K0.01%+51New
Jacobi Capital Management LLC47$18.0K0.00%+13+38.2%Added
HM Payson & Co42$16.0K0.00%00.0%Unchanged
Roble, Belko & Company, Inc43$16.0K0.00%00.0%Unchanged
CX Institutional40$15.0K0.00%00.0%Unchanged
Front Row Advisors LLC31$14.0K0.01%00.0%Unchanged
Lindbrook Capital, LLC35$13.0K0.00%−12−25.5%Reduced
American National Bank35$13.0K0.00%+35New
Solstein Capital, LLC31$12.0K0.01%00.0%Unchanged
Sierra Capital LLC32$12.0K0.00%+10+45.5%Added
Tarbox Family Office, Inc.31$12.0K0.00%+26+520.0%Added
TCI Wealth Advisors, Inc.28$10.0K0.00%+16+133.3%Added
Financial Perspectives, Inc24$9.03K0.00%−8,513−99.7%Reduced
Gemmer Asset Management LLC25$9.00K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC25$9.00K0.00%00.0%Unchanged
First Financial Corp23$9.00K0.01%00.0%Unchanged
Better Money Decisions, LLC21$8.00K0.01%00.0%Unchanged
Glassman Wealth Services21$8.00K0.00%+3+16.7%Added
Global Financial Private Client, LLC19$7.03K0.00%00.0%Unchanged
Delta Asset Management LLC20$7.00K0.00%00.0%Unchanged