Skip to main content

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 9 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, Q1 2026

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 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
1,124
+80 vs. Q4 2025
Shares held
47.3M
+5.32M (+12.7%) vs. Q4 2025
Total value
$51.6B
+$13.6B (+35.9%) vs. Q4 2025
New holders
181
384 more added
Sold out
101
408 more reduced

17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,124 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 heldQ1 2026: $51.6B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2025.

Institutions holding MPWR in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Total Clarity Wealth Management, Inc.471$515.0K0.12%+49+11.6%Added
Phoenix Holdings Ltd.469$513.0K0.00%+120+34.4%Added
KCM Investment Advisors LLC467$510.6K0.02%+10+2.2%Added
Outlook Wealth Advisors, LLC461$503.6K0.12%+22+5.0%Added
Verdence Capital Advisors LLC459$502.3K0.03%−227−33.1%Reduced
Truvestments Capital LLC457$500.2K0.09%+58+14.5%Added
Meiji Yasuda Asset Management Co Ltd.457$499.7K0.02%−131−22.3%Reduced
Buffalo Business & Estate Services Ltd455$497.1K0.07%−84−15.6%Reduced
Silverleafe Capital Partners, LLC451$493.1K0.15%+451New
Pier Capital, LLC450$492.0K0.08%−16−3.4%Reduced
BXM Wealth LLC450$492.0K0.38%00.0%Unchanged
Bridges Investment Management Inc449$490.9K0.01%00.0%Unchanged
71 West Capital Partners448$489.8K0.02%+105+30.6%Added
Covenant Asset Management, LLC447$488.7K0.10%00.0%Unchanged
Kestra Private Wealth Services, LLC445$486.6K0.01%−129−22.5%Reduced
Mainstay Capital Management LLC443$484.4K0.04%−7−1.6%Reduced
Ci Investments Inc.443$484.4K0.00%+2+0.5%Added
TFB Advisors LLC442$483.3K0.25%−50−10.2%Reduced
Excelsior Advisor Network LLC440$481.1K0.18%+76+20.9%Added
Cigna Investments Inc437$478.0K0.07%−18−4.0%Reduced
Kera Capital Partners, Inc.431$471.2K0.06%−17−3.8%Reduced
MAI Capital Management422$461.4K0.00%+51+13.7%Added
Sigma Planning Corp414$452.9K0.01%+414New
Uhlmann Price Securities, LLC413$451.6K0.03%−16−3.7%Reduced
Spire Wealth Management411$449.4K0.02%−278−40.3%Reduced
GLR Partners, LLC410$448.3K0.24%+410New
Beverly Hills Private Wealth, LLC409$447.4K0.07%−14−3.3%Reduced
Sather Financial Group Inc400$437.3K0.03%00.0%Unchanged
Prakash Investment Advisors LLC400$437.3K0.37%00.0%Unchanged
Turtle Creek Wealth Advisors, LLC399$436.2K0.03%+70+21.3%Added
American National Bank399$436.2K0.04%−14−3.4%Reduced
Calamos Wealth Management LLC397$434.1K0.01%−83−17.3%Reduced
Elevate Capital Advisors, LLC397$434.1K0.28%+397New
Guinness Asset Management LTD395$431.9K0.01%−28−6.6%Reduced
Tributary Capital Management, LLC390$426.4K0.04%00.0%Unchanged
Savvy Advisors, Inc.388$424.3K0.01%+165+74.0%Added
Western Financial Corp385$420.9K0.16%+385New
Bauman Advisory Group, LLC377$412.2K0.29%+377New
Livforsakringsbolaget Skandia, Omsesidigt365$399.4K0.02%00.0%Unchanged
TD Waterhouse Canada Inc.357$399.3K0.00%+192+116.4%Added
S-Bank Fund Management Ltd363$396.9K0.06%−13−3.5%Reduced
Silver Oak Securities, Inc363$396.9K0.03%+14+4.0%Added
Frank, Rimerman Advisors LLC361$394.7K0.03%+18+5.2%Added
Bridgewater Advisors Inc.247$393.9K0.02%+4+1.6%Added
OneAscent Investment Solutions LLC359$392.5K0.39%+11+3.2%Added
Mizuho Markets Americas LLC355$388.1K0.01%+355New
Ewa, LLC354$387.3K0.09%+4+1.1%Added
Ethos Financial Group, LLC353$386.7K0.03%+23+7.0%Added
Dogwood Wealth Management LLC352$384.9K0.17%−280−44.3%Reduced
Financial Consulate, Inc350$382.7K0.05%−178−33.7%Reduced
Sowell Financial Services LLC347$379.9K0.01%−6−1.7%Reduced
First Affirmative Financial Network346$378.8K0.15%+346New
Oakmont Advisory Group, LLC343$374.9K0.38%−33−8.8%Reduced
Clearwave Capital, LLC342$373.9K0.26%+342New
Brevan Howard Capital Management LP341$372.8K0.00%+341New
AMG National Trust Bank340$371.7K0.01%00.0%Unchanged
Journey Strategic Wealth LLC340$371.7K0.01%+43+14.5%Added
Wealthcare Advisory Partners LLC338$369.6K0.01%+338New
Ausdal Financial Partners, Inc.337$368.1K0.02%+337New
Andra AP-fonden335$366.3K0.00%−4,965−93.7%Reduced
Checchi Capital Advisers, LLC334$365.2K0.03%+70+26.5%Added
Dorsey & Whitney Trust CO LLC333$364.6K0.02%+8+2.5%Added
Moors & Cabot, Inc.330$360.8K0.02%+10+3.1%Added
Simplicity Wealth,LLC327$358.0K0.02%+56+20.7%Added
Insigneo Advisory Services, LLC327$357.5K0.03%−180−35.5%Reduced
Supplemental Annuity Collective Trust of NJ324$354.2K0.10%+324New
NorthStar Asset Management LLC322$352.1K0.17%−80−19.9%Reduced
Johnson Financial Group, Inc.321$351.6K0.01%+34+11.8%Added
Blueshift Asset Management, LLC321$351.0K0.11%−293−47.7%Reduced
Aigen Investment Management, LP320$349.9K0.09%+320New
Ashton Thomas Private Wealth, LLC318$347.7K0.01%+84+35.9%Added
Cresset Asset Management, LLC317$347.5K0.00%−47−12.9%Reduced
Resources Investment Advisors, LLC.315$344.7K0.00%−58−15.5%Reduced
TigerOak Management, L.L.C.315$344.4K0.11%00.0%Unchanged
Foundations Investment Advisors, LLC314$343.2K0.00%−209−40.0%Reduced
TCG Advisory Services, LLC313$342.2K0.01%+44+16.4%Added
CX Institutional312$341.0K0.01%+3+1.0%Added
MJP Associates Inc310$338.7K0.04%−296−48.8%Reduced
WP Advisors, LLC309$338.0K0.09%−112−26.6%Reduced
Optas, LLC306$334.6K0.05%−89−22.5%Reduced
SBI Securities Co., Ltd.304$332.4K0.01%−8−2.6%Reduced
MCF Advisors LLC301$330.1K0.01%+58+23.9%Added
Sheets Smith Wealth Management301$329.1K0.04%00.0%Unchanged
Procyon Private Wealth Partners, LLC300$328.0K0.02%+6+2.0%Added
Eq LLC299$327.4K0.09%+20+7.2%Added
Cornerstone Wealth Group, LLC213$325.8K0.02%+213New
Resonant Capital Advisors, LLC296$324.2K0.02%+43+17.0%Added
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.295$322.5K0.79%−1,121−79.2%Reduced
Vinva Investment Management Ltd320$320.7K0.00%+320New
WBI Investments293$320.7K0.09%−585−66.6%Reduced
Millington Securities, LLC293$320.7K0.09%+293New
Walleye Capital LLC293$320.4K0.00%+105+55.9%Added
Pinpoint Asset Management (Singapore) Pte. Ltd.293$320.4K0.08%+292+29,200.0%Added
CoreCap Advisors, LLC290$318.0K0.01%−702−70.8%Reduced
New Hampshire Trust290$317.1K0.06%−57−16.4%Reduced
Davenport & Co LLC290$317.1K0.00%+15+5.5%Added
AlphaCore Capital LLC286$312.7K0.01%−17−5.6%Reduced
OpenArc Corporate Advisory, LLC284$310.5K0.00%+58+25.7%Added
SmartHarvest Portfolios, LLC283$309.4K0.13%−26−8.4%Reduced
Integrated Investment Consultants, LLC283$309.4K0.07%00.0%Unchanged