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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 2025

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2025. 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
907
+55 vs. Q1 2025
Shares held
47.4M
+747.4K (+1.6%) vs. Q1 2025
Total value
$34.6B
+$7.61B (+28.2%) vs. Q1 2025
New holders
139
376 more added
Sold out
84
299 more reduced

10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 907 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 2025: $34.6B
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 2025

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2025.

Institutions holding MPWR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Azzad Asset Management Inc5,032$3.68M0.39%+480+10.5%Added
Envestnet Portfolio Solutions, Inc.4,931$3.61M0.01%−523−9.6%Reduced
Wiley Bros.-Aintree Capital, LLC4,831$3.54M0.03%+1,392+40.5%Added
Taylor Frigon Capital Management LLC4,820$3.53M1.87%−603−11.1%Reduced
Truist Financial Corp4,731$3.46M0.01%+68+1.5%Added
Steward Partners Investment Advisory, LLC4,705$3.44M0.03%−394−7.7%Reduced
Burr Financial Services, LLC4,660$3.41M2.87%+4,127+774.3%Added
Boston Partners4,659$3.41M0.00%+4,659New
Marex Group plc4,609$3.37M0.06%+4,609New
Paragon Advisors, LLC4,607$3.37M0.88%+1,491+47.8%Added
Davidson Capital Management Inc.4,598$3.36M0.81%−554−10.8%Reduced
Pinebridge Investments, L.P.4,502$3.29M0.03%+4,502New
KP Management LLC4,500$3.29M1.33%−2,000−30.8%Reduced
ASR Vermogensbeheer N.V.4,454$3.26M0.04%+2,281+105.0%Added
HighTower Advisors, LLC4,375$3.20M0.00%+239+5.8%Added
Cerity Partners LLC4,302$3.15M0.01%−441−9.3%Reduced
Jump Financial, LLC4,289$3.14M0.04%−4,578−51.6%Reduced
Nordea Investment Management AB4,236$3.11M0.00%+397+10.3%Added
Oregon Public Employees Retirement Fund4,182$3.06M0.05%00.0%Unchanged
Linden Thomas Advisory Services, LLC4,174$3.05M0.34%+53+1.3%Added
Park Avenue Securities LLC4,110$3.01M0.03%+340+9.0%Added
Meiji Yasuda Asset Management Co Ltd.4,088$2.99M0.15%−980−19.3%Reduced
Global X Japan Co., Ltd.4,073$2.98M0.30%−98−2.3%Reduced
Pensionmark Financial Group, LLC4,056$2.97M0.07%+28+0.7%Added
Hel Ved Capital Management Ltd4,000$2.93M1.32%+4,000New
Trilogy Capital Inc.3,975$2.91M0.14%+383+10.7%Added
Avanza Fonder AB3,813$2.79M0.08%+3,813New
Teachers Retirement System of the State of Kentucky3,806$2.78M0.02%+38+1.0%Added
O'Shaughnessy Asset Management, LLC3,805$2.78M0.02%+688+22.1%Added
1832 Asset Management L.P.3,804$2.78M0.00%+3,804New
Brinker Capital Investments, LLC3,753$2.74M0.02%+477+14.6%Added
Redhawk Wealth Advisors, Inc.3,720$2.72M0.34%+601+19.3%Added
Peapack Gladstone Financial Corp3,711$2.71M0.04%−73−1.9%Reduced
Brevan Howard Capital Management LP3,659$2.68M0.03%+3,659New
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna3,585$2.62M1.05%−1,030−22.3%Reduced
Wealth Enhancement Advisory Services, LLC3,412$2.59M0.00%−307−8.3%Reduced
Intrust Bank NA3,492$2.55M0.23%−116−3.2%Reduced
Harfst & Associates, Inc.3,436$2.51M0.52%+165+5.0%Added
Values First Advisors, Inc.3,411$2.50M1.36%+386+12.8%Added
Groupama Asset Managment3,378$2.49M0.04%−539−13.8%Reduced
Avantax Advisory Services, Inc.3,386$2.48M0.01%−61−1.8%Reduced
Change Path, LLC3,348$2.45M0.06%+77+2.4%Added
Leelyn Smith, LLC3,324$2.43M0.40%+193+6.2%Added
Sirios Capital Management L P3,318$2.43M0.35%−2,003−37.6%Reduced
Mizuho Securities USA LLC3,312$2.42M0.05%+3,312New
Guggenheim Capital LLC3,304$2.42M0.02%−413−11.1%Reduced
XTX Topco Ltd3,298$2.41M0.10%+3,298New
Prelude Capital Management, LLC3,206$2.34M0.23%+3,206New
Guidance Capital, Inc2,962$2.33M0.66%+158+5.6%Added
Hancock Whitney Corp3,144$2.30M0.04%−13,015−80.5%Reduced
Profund Advisors LLC3,125$2.29M0.08%+3+0.1%Added
Modern Wealth Management, LLC3,106$2.27M0.06%+215+7.4%Added
Torray LLC3,054$2.23M0.32%+2+0.1%Added
Cullen/Frost Bankers, Inc.3,049$2.23M0.03%+3,032+17,835.3%Added
Omers Administration Corp3,015$2.21M0.02%−1,192−28.3%Reduced
Summit Trail Advisors, LLC3,004$2.20M0.04%+3,004New
Kentucky Retirement Systems3,008$2.20M0.06%−198−6.2%Reduced
Versor Investments LP2,993$2.19M0.39%+1,995+199.9%Added
Thrivent Financial for Lutherans2,963$2.17M0.00%+226+8.3%Added
Atria Investments LLC2,966$2.17M0.03%+176+6.3%Added
Jackson Wealth Management, LLC2,930$2.14M0.23%+34+1.2%Added
Hartford Investment Management Co2,886$2.11M0.07%−30−1.0%Reduced
GKV Capital Management Co., Inc.2,875$2.10M0.93%−15−0.5%Reduced
Thrive Capital Management, LLC2,865$2.10M0.66%+1,898+196.3%Added
Intech Investment Management LLC2,800$2.05M0.02%+472+20.3%Added
Calamos Advisors LLC2,773$2.03M0.01%+2,773New
Mirova2,767$2.02M0.29%−302−9.8%Reduced
M&T Bank Corp2,664$1.95M0.01%+58+2.2%Added
Hennion & Walsh Asset Management, Inc.2,649$1.94M0.08%+329+14.2%Added
Commerce Bank2,628$1.92M0.01%+2+0.1%Added
Kestra Advisory Services, LLC2,567$1.88M0.01%+964+60.1%Added
Greenup Street Wealth Management LLC2,527$1.85M0.32%+100+4.1%Added
Boston Family Office LLC2,514$1.84M0.12%−105−4.0%Reduced
Louisiana State Employees Retirement System2,500$1.83M0.03%−100−3.8%Reduced
Securian Asset Management, Inc2,497$1.83M0.05%−81−3.1%Reduced
Norinchukin Bank, The2,489$1.82M0.03%+83+3.4%Added
Gulf International Bank (UK) Ltd2,472$1.81M0.06%−365−12.9%Reduced
Scott Marsh Financial, LLC2,468$1.81M0.67%+2,468New
Oak Harvest Investment Services2,419$1.77M0.22%+2,419New
Sequoia Financial Advisors, LLC2,388$1.75M0.01%+375+18.6%Added
La Banque Postale Asset Management SA2,365$1.73M0.02%+540+29.6%Added
Valley National Advisers Inc2,312$1.69M0.28%+26+1.1%Added
New Mexico Educational Retirement Board2,300$1.68M0.05%00.0%Unchanged
Twin Tree Management, LP2,291$1.68M0.04%−12,246−84.2%Reduced
Liontrust Investment Partners LLP2,277$1.67M0.02%+445+24.3%Added
Prudential PLC2,261$1.65M0.01%+646+40.0%Added
Regions Financial Corp2,229$1.63M0.01%+101+4.7%Added
Metis Global Partners, LLC2,227$1.63M0.04%−255−10.3%Reduced
Stiles Financial Services Inc2,205$1.62M0.56%+196+9.8%Added
Peak Retirement Planning, Inc.2,206$1.61M0.65%+369+20.1%Added
Cambridge Investment Research Advisors, Inc.2,205$1.61M0.00%−180−7.5%Reduced
Maryland State Retirement & Pension System2,195$1.61M0.04%00.0%Unchanged
Dakota Wealth Management2,175$1.59M0.03%+1,192+121.3%Added
Catalyst Funds Management Pty Ltd2,175$1.59M0.44%−1,325−37.9%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main2,149$1.57M0.00%−932−30.2%Reduced
Oppenheimer Asset Management Inc.2,129$1.56M0.02%+296+16.1%Added
BI Asset Management Fondsmaeglerselskab A/S2,079$1.52M0.01%+515+32.9%Added
Confluence Wealth Services, Inc.2,067$1.51M0.08%+19+0.9%Added
Illinois Municipal Retirement Fund2,064$1.51M0.02%−13,635−86.9%Reduced
VestGen Advisors, LLC2,059$1.51M0.06%−615−23.0%Reduced