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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
Integrated Wealth Concepts LLC557$208.0K0.01%−158−22.1%Reduced
Exchange Traded Concepts, LLC575$215.0K0.01%+111+23.9%Added
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
Boston Private Wealth LLC590$221.0K0.00%+590New
First Bank & Trust595$222.0K0.11%+124+26.3%Added
Gilbert & Cook, Inc.606$226.0K0.04%−372−38.0%Reduced
Spire Wealth Management604$226.0K0.01%−11−1.8%Reduced
Squarepoint Ops LLC623$233.0K0.00%−33,403−98.2%Reduced
Ameritas Investment Partners, Inc.627$234.0K0.01%00.0%Unchanged
Wetherby Asset Management Inc626$234.0K0.01%+626New
Northwestern Mutual Wealth Management Co628$235.0K0.00%−4,104−86.7%Reduced
Proequities, Inc.627$235.0K0.01%−29−4.4%Reduced
O'Shaughnessy Asset Management, LLC643$240.0K0.00%+193+42.9%Added
Milestone Advisory Partners645$241.0K0.13%00.0%Unchanged
Gotham Asset Management, LLC648$242.0K0.01%−846−56.6%Reduced
Marathon Capital Management649$242.0K0.06%00.0%Unchanged
Foundations Investment Advisors, LLC639$244.0K0.01%+639New
Riverstone Advisors, LLC656$245.0K0.12%00.0%Unchanged
Vantage Consulting Group Inc655$245.0K0.04%+655New
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
Buckingham Strategic Wealth, LLC671$251.0K0.01%−2−0.3%Reduced
Moody Aldrich Partners LLC683$255.0K0.04%−10−1.4%Reduced
Navellier & Associates Inc685$256.0K0.04%−20,803−96.8%Reduced
First Mercantile Trust Co688$257.0K0.03%−39−5.4%Reduced
Livforsakringsbolaget Skandia, Omsesidigt700$261.0K0.02%00.0%Unchanged
Teza Capital Management LLC738$276.0K0.04%−571−43.6%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main741$276.7K0.00%−8,506−92.0%Reduced
Toroso Investments, LLC756$282.0K0.01%+756New
9258 Wealth Management, LLC773$289.0K0.08%+14+1.8%Added
Greenleaf Trust776$290.0K0.00%+120+18.3%Added
AlphaCrest Capital Management LLC801$299.0K0.01%−619−43.6%Reduced
Cetera Investment Advisers810$302.0K0.00%−98−10.8%Reduced
Private Advisor Group, LLC817$305.0K0.00%+128+18.6%Added
World Asset Management Inc820$306.0K0.03%−29−3.4%Reduced
NEXT Financial Group, Inc857$321.0K0.03%−27−3.1%Reduced
Federation des caisses Desjardins du Quebec877$327.3K0.00%−114−11.5%Reduced
Stonnington Group, LLC879$328.0K0.07%00.0%Unchanged
Weld Capital Management LLC883$330.0K0.33%+883New
Legacy Wealth Asset Management, LLC892$333.0K0.15%−70−7.3%Reduced
YorkBridge Wealth Partners, LLC898$335.0K0.09%+11+1.2%Added
Marino, Stram & Associates LLC898$335.0K0.09%+898New
Seeyond914$341.0K0.03%+4+0.4%Added
Corient Capital Partners, LLC915$342.0K0.02%+92+11.2%Added
Values First Advisors, Inc.943$352.0K0.24%+47+5.2%Added
Wealthfront Advisers LLC1,008$376.0K0.00%−1,752−63.5%Reduced
FDx Advisors, Inc.1,006$376.0K0.01%+43+4.5%Added
Tower Research Capital LLC (TRC)1,020$381.0K0.01%−2,953−74.3%Reduced
Redpoint Investment Management Pty Ltd1,021$381.0K0.03%00.0%Unchanged
Banco Bilbao Vizcaya Argentaria, S.A.1,035$387.0K0.01%+84+8.8%Added
American Portfolios Advisors1,046$390.6K0.02%+20+1.9%Added
Pinnacle Financial Partners Inc1,051$392.0K0.02%−1−0.1%Reduced
Pinnacle Wealth Advisors1,051$392.0K0.02%+1,051New
Beacon Pointe Advisors, LLC1,053$393.0K0.01%+300+39.8%Added
Cullen/Frost Bankers, Inc.1,057$395.0K0.01%+157+17.4%Added
Advisor Partners LLC1,106$413.0K0.03%+23+2.1%Added
Redwood Investments, LLC1,120$418.0K0.03%−228−16.9%Reduced
Kentucky Retirement Systems Insurance Trust Fund1,119$418.0K0.04%−16−1.4%Reduced
Change Path, LLC1,147$428.0K0.03%+1,147New
Shay Capital LLC1,150$429.0K0.10%+150+15.0%Added
Aigen Investment Management, LP1,150$429.0K0.07%+1,150New
RFG Advisory, LLC1,158$433.0K0.04%−60−4.9%Reduced
Bamco Inc1,180$441.0K0.00%+1,180New
Canandaigua National Corp1,194$446.0K0.07%−76−6.0%Reduced
Covenant Partners, LLC1,195$446.0K0.17%00.0%Unchanged
Goodwin Daniel L1,205$446.0K0.21%+1,205New
Baker Tilly Wealth Management, LLC1,236$462.0K0.07%+258+26.4%Added
IBM Retirement Fund1,262$471.0K0.04%−228−15.3%Reduced
Claraphi Advisory Network, LLC1,277$477.0K0.14%−1,074−45.7%Reduced
Polar Asset Management Partners Inc.1,285$480.0K0.01%+1,285New
BP PLC1,288$481.0K0.02%00.0%Unchanged
Yorktown Management & Research Co Inc1,300$485.0K0.38%−1,700−56.7%Reduced
RMR Wealth Builders1,297$485.0K0.16%00.0%Unchanged
HighPoint Advisor Group LLC1,340$500.0K0.05%+428+46.9%Added
Capula Management Ltd1,358$507.0K0.09%+1,358New
Cliftonlarsonallen Wealth Advisors, LLC1,362$509.0K0.02%+1,362New
Vestcor Inc1,387$518.0K0.02%−78−5.3%Reduced
Kestra Advisory Services, LLC1,397$522.0K0.01%+5+0.4%Added
Two Sigma Advisers, LP1,400$523.0K0.00%−7,000−83.3%Reduced
Hillsdale Investment Management Inc.1,430$534.0K0.04%−30−2.1%Reduced
NN Investment Partners Holdings N.V.1,464$547.0K0.00%−6,361−81.3%Reduced
Cigna Investments Inc1,495$558.0K0.04%−100−6.3%Reduced
Connable Office Inc1,503$561.0K0.08%−240−13.8%Reduced
Integrated Advisors Network LLC1,536$574.0K0.04%+237+18.2%Added
Paloma Partners Management Co1,562$584.0K0.02%−1,016−39.4%Reduced
The PNC Financial Services Group, Inc.1,593$594.0K0.00%+48+3.1%Added
Mercer Global Advisors Inc1,608$601.0K0.00%+573+55.4%Added
Northwest & Ethical Investments L.P.1,635$610.6K0.02%00.0%Unchanged
E. Ohman J:or Asset Management AB1,700$634.9K0.02%+1,000+142.9%Added
Raymond James Trust N.A.1,708$638.0K0.02%−85−4.7%Reduced
Symmetry Partners, LLC1,730$646.0K0.04%00.0%Unchanged
Leelyn Smith, LLC1,730$646.0K0.19%+1,730New
Everence Capital Management Inc1,810$676.0K0.06%00.0%Unchanged
Ontario Teachers Pension Plan Board1,825$682.0K0.01%+298+19.5%Added
HMS Capital Management, LLC1,883$703.0K0.32%+6+0.3%Added
Park Avenue Securities LLC1,890$706.0K0.01%+106+5.9%Added
Pathstone Family Office, LLC1,911$715.0K0.02%−278−12.7%Reduced
Northwestern Mutual Investment Management Company, LLC1,953$729.0K0.01%+9+0.5%Added