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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 2026

Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2026. 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
1,250
+142 vs. Q1 2026
Shares held
47.6M
+386.8K (+0.8%) vs. Q1 2026
Total value
$65.6B
+$14.1B (+27.4%) vs. Q1 2026
New holders
220
419 more added
Sold out
78
464 more reduced

16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,250 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 2026: $65.6B
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 2026

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2026.

Institutions holding MPWR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
AlTi Global, Inc.211$292.1K0.01%+16+8.2%Added
Chesley Taft & Associates LLC211$291.7K0.01%+2+1.0%Added
Kathmere Capital Management, LLC210$290.3K0.02%+210New
Conning Inc.209$288.9K0.01%−5−2.3%Reduced
17 Capital Partners, LLC209$288.9K0.13%−40−16.1%Reduced
Diversified Enterprises, LLC208$287.5K0.01%+15+7.8%Added
Ring Mountain Capital, LLC207$286.1K0.12%+207New
Fundamentun, LLC205$284.7K0.01%+21+11.4%Added
Great Valley Advisor Group, Inc.206$284.5K0.00%+14+7.3%Added
Graves-Light Private Wealth Management, Inc.206$284.2K0.03%+1+0.5%Added
Jacobi Capital Management LLC202$279.9K0.01%−30−12.9%Reduced
Osmosis Investment Management UK Ltd202$279.2K0.01%+202New
Advisory Alpha, LLC201$277.9K0.01%−73−26.6%Reduced
Wall Street Financial Group, Inc.200$276.5K0.15%−39−16.3%Reduced
Firsthand Capital Management, Inc.200$276.5K0.44%00.0%Unchanged
Paradigm Asset Management Co LLC200$276.5K0.06%+200New
Inspire Advisors, LLC201$275.6K0.02%+201New
TruNorth Capital Management, LLC199$275.1K0.04%00.0%Unchanged
Fox Run Management, L.L.C.199$275.1K0.05%+199New
Xxi Wealth, LLC199$275.1K0.13%+199New
Essex Financial Services, Inc.199$274.8K0.01%+199New
Principal Street Partners, LLC198$273.7K0.04%00.0%Unchanged
MASTERINVEST Kapitalanlage GmbH198$273.7K0.02%00.0%Unchanged
LRI Investments, LLC198$273.7K0.02%+1+0.5%Added
Prosperity Consulting Group, LLC198$273.7K0.01%+198New
Anchyra Partners LLC198$273.7K0.07%+198New
Optiver Holding B.V.197$272.3K0.00%+108+121.3%Added
New Age Alpha Advisors, LLC196$270.9K0.01%−1−0.5%Reduced
Hutchens & Kramer Investment Management Group, LLC196$270.9K0.07%+196New
Harrell Investment Partners, LLC194$268.3K0.06%00.0%Unchanged
Red Wave Investments LLC194$268.2K0.07%00.0%Unchanged
Pallas Capital Advisors LLC193$266.9K0.01%−49−20.2%Reduced
ProCore Advisors, LLC193$266.4K0.33%00.0%Unchanged
Dogwood Wealth Management LLC192$265.4K0.10%−160−45.5%Reduced
BTG Pactual Asset Management US LLC192$265.4K0.02%+192New
Ferguson Wellman Capital Management, Inc190$262.6K0.00%+7+3.8%Added
Revolve Wealth Partners, LLC190$262.6K0.03%+5+2.7%Added
Purpose Unlimited Inc.190$262.6K0.01%+190New
VisionPoint Advisory Group, LLC189$261.3K0.04%−11−5.5%Reduced
Quotient Wealth Partners, LLC189$261.2K0.01%+5+2.7%Added
Argent Trust Co188$259.9K0.01%+188New
Pinnacle Wealth Planning Services, Inc.187$258.5K0.02%−4−2.1%Reduced
LCM Capital Management Inc186$257.1K0.11%+186New
Burr Financial Services, LLC186$257.1K0.16%+186New
Wealth Alliance186$256.7K0.02%−12−6.1%Reduced
OneAscent Family Office, LLC185$255.8K0.13%+185New
Tower Wealth Partners, Inc.185$255.7K0.13%+185New
Virtue Capital Management, LLC184$254.4K0.03%−80−30.3%Reduced
Gilliland Jeter Wealth Management LLC183$253.2K0.07%00.0%Unchanged
Invera Wealth Advisors, LLC183$253.0K0.14%00.0%Unchanged
Childress Capital Advisors, LLC183$252.7K0.04%−16−8.0%Reduced
Dana Investment Advisors, Inc.182$251.6K0.01%+182New
Summit Financial, LLC179$247.9K0.00%+179New
Range Advisory, LLC179$247.2K0.03%+179New
Klingman & Associates, LLC178$246.1K0.01%+178New
Donaldson Capital Management, LLC178$246.1K0.01%+178New
Occidental Asset Management, LLC178$246.1K0.02%+178New
Fisher Asset Management, LLC177$245.5K0.00%−35−16.5%Reduced
Avidian Wealth Solutions, LLC177$244.9K0.01%+177New
Pure Financial Advisors, Inc.176$242.6K0.00%−12−6.4%Reduced
Capital Investment Advisors, LLC175$241.9K0.00%+175New
Bradley Foster & Sargent Inc175$241.9K0.00%+175New
Wealth Management Partners, LLC175$241.9K0.06%+175New
SLT Holdings LLC175$241.9K0.15%+175New
Dynamic Advisor Solutions LLC174$240.6K0.01%+174New
Ponta Wealth Partners, LLC174$240.5K0.13%+174New
TownSquare Capital, LLC174$240.5K0.04%−41−19.1%Reduced
Graetz Wealth LLC173$239.7K0.19%−45−20.6%Reduced
Nilsine Partners, LLC173$239.1K0.02%−4−2.3%Reduced
Gardner Lewis Asset Management L P173$239.1K0.05%−56−24.5%Reduced
Claret Asset Management Corp173$239.0K0.03%+173New
Hoxton Planning & Management, LLC172$237.8K0.06%+172New
55 North Private Wealth, LLC172$237.8K0.05%+172New
Matrix Private Capital Group LLC171$236.7K0.10%+171New
Eurizon SLJ Capital Ltd170$235.0K0.09%−3,814−95.7%Reduced
Foster Group, Inc.168$232.4K0.01%+168New
Capital CS Group, LLC166$229.5K0.33%+166New
Defiance ETFs, LLC172$229.1K0.00%+172New
Meridian Wealth Advisors, LLC165$228.1K0.03%+165New
Rothschild Investment LLC164$226.9K0.01%00.0%Unchanged
J. M. Brown & Associates Inc.164$226.7K0.13%+164New
Beverly Hills Private Wealth, LLC162$224.2K0.04%−247−60.4%Reduced
Fidelis Capital Partners, LLC162$223.9K0.01%−74−31.4%Reduced
Aptus Capital Advisors, LLC162$223.9K0.00%+162New
Impact Capital Partners LLC162$223.9K0.06%+162New
WealthTrust Asset Management, LLC161$222.6K0.12%+161New
Corundum Group, Inc.160$221.2K0.07%−77−32.5%Reduced
First Washington CORP159$219.8K0.05%+159New
Summit Creek Advisors LLC158$218.4K0.07%−78−33.1%Reduced
Tactive Advisors, LLC158$218.4K0.05%+158New
Advisory Advocates, LLC158$218.4K0.19%+158New
Essex Savings Bank158$218.4K0.05%+158New
Compass Financial Management LLC158$218.3K0.03%+158New
Quent Capital, LLC157$217.4K0.01%+25+18.9%Added
Csenge Advisory Group157$217.1K0.01%−44−21.9%Reduced
Mirabella Financial Services LLP157$217.0K0.02%−2,798−94.7%Reduced
Sepio Capital, LP157$217.0K0.01%−36−18.7%Reduced
BCJ Capital Management, LLC156$215.6K0.01%+156New
Everhart Financial Group, Inc.156$215.6K0.01%+156New
Wallace Advisory Group, LLC156$215.6K0.20%+156New