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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
Uhlmann Price Securities, LLC316$437.0K0.02%−97−23.5%Reduced
Supplemental Annuity Collective Trust of NJ315$435.4K0.11%−9−2.8%Reduced
Gladstone Institutional Advisory LLC315$435.4K0.01%+51+19.3%Added
TCG Advisory Services, LLC314$434.1K0.01%+1+0.3%Added
CWA Asset Management Group, LLC314$434.1K0.01%+70+28.7%Added
Financial Consulate, Inc313$432.7K0.05%−37−10.6%Reduced
Sowell Financial Services LLC312$432.0K0.01%−35−10.1%Reduced
SBI Okasan Asset Management Co.Ltd.328$430.6K0.01%+135+69.9%Added
Resonant Capital Advisors, LLC311$430.5K0.02%+15+5.1%Added
TigerOak Management, L.L.C.310$428.5K0.12%−5−1.6%Reduced
WP Advisors, LLC310$428.0K0.10%+1+0.3%Added
Opal Capital LLC306$423.0K0.08%+306New
Wealthspire Advisors, LLC304$420.4K0.00%+304New
George Kaiser Family Foundation303$418.9K0.04%−344−53.2%Reduced
MCF Advisors LLC302$417.6K0.01%+1+0.3%Added
Sheets Smith Wealth Management301$416.1K0.04%00.0%Unchanged
Eq LLC299$414.0K0.10%00.0%Unchanged
SmartHarvest Portfolios, LLC299$413.2K0.13%+16+5.7%Added
MJP Associates Inc298$411.6K0.05%−12−3.9%Reduced
Oakmont Advisory Group, LLC297$410.0K0.34%−46−13.4%Reduced
OpenArc Corporate Advisory, LLC296$409.2K0.00%+12+4.2%Added
Livforsakringsbolaget Skandia, Omsesidigt295$407.8K0.01%−70−19.2%Reduced
Optas, LLC295$407.8K0.06%−11−3.6%Reduced
Wealthcare Advisory Partners LLC290$400.9K0.01%−48−14.2%Reduced
Tributary Capital Management, LLC290$400.9K0.03%−100−25.6%Reduced
Coyle Financial Counsel LLC290$400.9K0.07%+29+11.1%Added
West Family Investments, Inc.288$398.1K0.12%+20+7.5%Added
Ground Swell Capital, LLC286$395.4K0.43%+286New
Angeles Wealth Management, LLC285$394.5K0.02%+27+10.5%Added
Davenport & Co LLC283$391.2K0.00%−7−2.4%Reduced
Integrated Investment Consultants, LLC283$391.2K0.08%00.0%Unchanged
Axxion S.A.283$391.2K0.03%+283New
Asahi Life Asset Management Co., Ltd.282$389.8K0.22%+282New
Miracle Mile Advisors, LLC281$388.0K0.00%+26+10.2%Added
Premier Path Wealth Partners, LLC280$387.1K0.04%+6+2.2%Added
Teza Capital Management LLC279$385.7K0.74%+279New
Ofi Invest Asset Management318$384.5K0.00%+13+4.3%Added
Aristides Capital LLC278$384.3K0.10%+278New
BlackDiamond Wealth Management Inc.278$383.9K0.16%+94+51.1%Added
Ritholtz Wealth Management276$381.8K0.01%+276New
Total Clarity Wealth Management, Inc.275$380.1K0.07%−196−41.6%Reduced
Johnson Financial Group, Inc.274$379.3K0.01%−47−14.6%Reduced
Cary Street Partner Investment Advisory LLC273$377.0K0.08%+18+7.1%Added
Sharpepoint LLC272$376.0K0.19%00.0%Unchanged
Catalyst Financial Partners LLC272$376.0K0.04%+20+7.9%Added
Drive Wealth Management, LLC271$375.3K0.07%+11+4.2%Added
Globeflex Capital L P271$374.6K0.05%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.271$374.6K0.12%+84+44.9%Added
New Hampshire Trust270$373.2K0.07%−20−6.9%Reduced
L2 Asset Management, LLC270$373.2K0.04%+21+8.4%Added
Koshinski Asset Management, Inc.266$367.4K0.02%−6−2.2%Reduced
Elyxium Wealth, LLC264$365.0K0.04%+264New
LVW Advisors, LLC262$362.2K0.03%+66+33.7%Added
Tradition Wealth Management, LLC262$362.2K0.02%+3+1.2%Added
Naviter Wealth, LLC259$358.5K0.03%00.0%Unchanged
SeaCrest Wealth Management, LLC259$358.0K0.04%+259New
Keel Point, LLC258$356.7K0.02%+15+6.2%Added
Third View Private Wealth, LLC257$355.3K0.04%+257New
International Assets Investment Management, LLC266$354.3K0.02%+3+1.1%Added
Procyon Private Wealth Partners, LLC253$349.7K0.02%−47−15.7%Reduced
Signal Advisors Wealth, LLC251$346.8K0.02%+62+32.8%Added
Pinnacle Associates Ltd248$342.8K0.00%+248New
First Bank & Trust245$338.7K0.05%+19+8.4%Added
Daymark Wealth Partners, LLC244$337.6K0.01%+244New
May Hill Capital, LLC244$337.3K0.07%+18+8.0%Added
Massmutual Trust Co FSB243$335.9K0.01%00.0%Unchanged
Royal Fund Management, LLC242$334.5K0.03%−22−8.3%Reduced
Sunflower Bank, N.A.242$334.5K0.08%−15−5.8%Reduced
McAdam, LLC242$334.3K0.01%−33−12.0%Reduced
Blueshift Asset Management, LLC241$333.1K0.08%−80−24.9%Reduced
Dearborn Partners LLC240$331.8K0.02%00.0%Unchanged
Cresset Asset Management, LLC239$331.4K0.00%−78−24.6%Reduced
Ascent Group, LLC239$330.4K0.01%+11+4.8%Added
Bridgewater Advisors Inc.252$330.3K0.02%+5+2.0%Added
PDS Planning, Inc238$329.0K0.02%−5−2.1%Reduced
Tranquility Partners, LLC236$326.2K0.11%+236New
Readystate Asset Management LP236$326.2K0.01%+236New
Alpha Family Trust235$324.9K0.13%00.0%Unchanged
Howe & Rusling Inc235$324.3K0.02%+235New
BAM Wealth Management, LLC234$323.5K0.20%−1−0.4%Reduced
Cornerstone Wealth Group, LLC234$322.8K0.02%+21+9.9%Added
CVA Family Office, LLC233$322.1K0.03%+1+0.4%Added
Centaurus Financial, Inc.233$322.0K0.01%+233New
Leonteq Securities AG231$319.3K0.02%+68+41.7%Added
Proficio Capital Partners LLC230$318.1K0.01%+230New
SageView Advisory Group, LLC230$318.0K0.01%−46−16.7%Reduced
Moors & Cabot, Inc.226$312.4K0.01%−104−31.5%Reduced
Keating Financial Advisory Services, Inc.226$312.4K0.04%−42−15.7%Reduced
Autumn Glory Partners, LLC226$312.4K0.09%00.0%Unchanged
Alta Advisers Ltd225$311.0K0.07%00.0%Unchanged
GTS Securities LLC224$309.6K0.01%+224New
Sentinus, LLC223$308.3K0.02%+223New
Pinnacle Wealth Management Advisory Group, LLC222$306.9K0.02%+222New
Personal Cfo Solutions, LLC218$301.8K0.04%+218New
Moss Adams Wealth Advisors LLC218$301.8K0.02%+33+17.8%Added
Diversified Trust Co216$298.6K0.00%+7+3.3%Added
LeConte Wealth Management, LLC215$297.2K0.16%+11+5.4%Added
Advisors Capital Management, LLC214$296.8K0.00%+11+5.4%Added
BankPlus Wealth Management LLC212$294.5K0.13%−67−24.0%Reduced
Abel Hall, LLC212$293.1K0.05%+10+5.0%Added