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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
Gilliland Jeter Wealth Management LLC183$253.2K0.07%00.0%Unchanged
Virtue Capital Management, LLC184$254.4K0.03%−80−30.3%Reduced
Tower Wealth Partners, Inc.185$255.7K0.13%+185New
OneAscent Family Office, LLC185$255.8K0.13%+185New
Wealth Alliance186$256.7K0.02%−12−6.1%Reduced
LCM Capital Management Inc186$257.1K0.11%+186New
Burr Financial Services, LLC186$257.1K0.16%+186New
Pinnacle Wealth Planning Services, Inc.187$258.5K0.02%−4−2.1%Reduced
Argent Trust Co188$259.9K0.01%+188New
Quotient Wealth Partners, LLC189$261.2K0.01%+5+2.7%Added
VisionPoint Advisory Group, LLC189$261.3K0.04%−11−5.5%Reduced
Revolve Wealth Partners, LLC190$262.6K0.03%+5+2.7%Added
Purpose Unlimited Inc.190$262.6K0.01%+190New
Ferguson Wellman Capital Management, Inc190$262.6K0.00%+7+3.8%Added
Dogwood Wealth Management LLC192$265.4K0.10%−160−45.5%Reduced
BTG Pactual Asset Management US LLC192$265.4K0.02%+192New
ProCore Advisors, LLC193$266.4K0.33%00.0%Unchanged
Pallas Capital Advisors LLC193$266.9K0.01%−49−20.2%Reduced
Red Wave Investments LLC194$268.2K0.07%00.0%Unchanged
Harrell Investment Partners, LLC194$268.3K0.06%00.0%Unchanged
New Age Alpha Advisors, LLC196$270.9K0.01%−1−0.5%Reduced
Hutchens & Kramer Investment Management Group, LLC196$270.9K0.07%+196New
Optiver Holding B.V.197$272.3K0.00%+108+121.3%Added
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
Essex Financial Services, Inc.199$274.8K0.01%+199New
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
Inspire Advisors, LLC201$275.6K0.02%+201New
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
Advisory Alpha, LLC201$277.9K0.01%−73−26.6%Reduced
Osmosis Investment Management UK Ltd202$279.2K0.01%+202New
Jacobi Capital Management LLC202$279.9K0.01%−30−12.9%Reduced
Graves-Light Private Wealth Management, Inc.206$284.2K0.03%+1+0.5%Added
Great Valley Advisor Group, Inc.206$284.5K0.00%+14+7.3%Added
Fundamentun, LLC205$284.7K0.01%+21+11.4%Added
Ring Mountain Capital, LLC207$286.1K0.12%+207New
Diversified Enterprises, LLC208$287.5K0.01%+15+7.8%Added
17 Capital Partners, LLC209$288.9K0.13%−40−16.1%Reduced
Conning Inc.209$288.9K0.01%−5−2.3%Reduced
Kathmere Capital Management, LLC210$290.3K0.02%+210New
Chesley Taft & Associates LLC211$291.7K0.01%+2+1.0%Added
AlTi Global, Inc.211$292.1K0.01%+16+8.2%Added
Abel Hall, LLC212$293.1K0.05%+10+5.0%Added
BankPlus Wealth Management LLC212$294.5K0.13%−67−24.0%Reduced
Advisors Capital Management, LLC214$296.8K0.00%+11+5.4%Added
LeConte Wealth Management, LLC215$297.2K0.16%+11+5.4%Added
Diversified Trust Co216$298.6K0.00%+7+3.3%Added
Moss Adams Wealth Advisors LLC218$301.8K0.02%+33+17.8%Added
Personal Cfo Solutions, LLC218$301.8K0.04%+218New
Pinnacle Wealth Management Advisory Group, LLC222$306.9K0.02%+222New
Sentinus, LLC223$308.3K0.02%+223New
GTS Securities LLC224$309.6K0.01%+224New
Alta Advisers Ltd225$311.0K0.07%00.0%Unchanged
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
SageView Advisory Group, LLC230$318.0K0.01%−46−16.7%Reduced
Proficio Capital Partners LLC230$318.1K0.01%+230New
Leonteq Securities AG231$319.3K0.02%+68+41.7%Added
Centaurus Financial, Inc.233$322.0K0.01%+233New
CVA Family Office, LLC233$322.1K0.03%+1+0.4%Added
Cornerstone Wealth Group, LLC234$322.8K0.02%+21+9.9%Added
BAM Wealth Management, LLC234$323.5K0.20%−1−0.4%Reduced
Howe & Rusling Inc235$324.3K0.02%+235New
Alpha Family Trust235$324.9K0.13%00.0%Unchanged
Tranquility Partners, LLC236$326.2K0.11%+236New
Readystate Asset Management LP236$326.2K0.01%+236New
PDS Planning, Inc238$329.0K0.02%−5−2.1%Reduced
Bridgewater Advisors Inc.252$330.3K0.02%+5+2.0%Added
Ascent Group, LLC239$330.4K0.01%+11+4.8%Added
Cresset Asset Management, LLC239$331.4K0.00%−78−24.6%Reduced
Dearborn Partners LLC240$331.8K0.02%00.0%Unchanged
Blueshift Asset Management, LLC241$333.1K0.08%−80−24.9%Reduced
McAdam, LLC242$334.3K0.01%−33−12.0%Reduced
Royal Fund Management, LLC242$334.5K0.03%−22−8.3%Reduced
Sunflower Bank, N.A.242$334.5K0.08%−15−5.8%Reduced
Massmutual Trust Co FSB243$335.9K0.01%00.0%Unchanged
May Hill Capital, LLC244$337.3K0.07%+18+8.0%Added
Daymark Wealth Partners, LLC244$337.6K0.01%+244New
First Bank & Trust245$338.7K0.05%+19+8.4%Added
Pinnacle Associates Ltd248$342.8K0.00%+248New
Signal Advisors Wealth, LLC251$346.8K0.02%+62+32.8%Added
Procyon Private Wealth Partners, LLC253$349.7K0.02%−47−15.7%Reduced
International Assets Investment Management, LLC266$354.3K0.02%+3+1.1%Added
Third View Private Wealth, LLC257$355.3K0.04%+257New
Keel Point, LLC258$356.7K0.02%+15+6.2%Added
SeaCrest Wealth Management, LLC259$358.0K0.04%+259New
Naviter Wealth, LLC259$358.5K0.03%00.0%Unchanged
Tradition Wealth Management, LLC262$362.2K0.02%+3+1.2%Added
LVW Advisors, LLC262$362.2K0.03%+66+33.7%Added
Elyxium Wealth, LLC264$365.0K0.04%+264New
Koshinski Asset Management, Inc.266$367.4K0.02%−6−2.2%Reduced
New Hampshire Trust270$373.2K0.07%−20−6.9%Reduced