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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 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
RFG Advisory, LLC1,436$1.57M0.03%−938−39.5%Reduced
Voleon Capital Management LP1,430$1.56M0.03%+1,430New
Bellwether Advisors, LLC1,425$1.56M0.26%+1,425New
Kovack Advisors, Inc.1,422$1.56M0.08%−31−2.1%Reduced
Wedmont Private Capital1,181$1.55M0.05%+77+7.0%Added
Quadrant Capital Group LLC1,411$1.54M0.05%−7−0.5%Reduced
Laird Norton Trust Company, LLC1,401$1.53M0.03%−88−5.9%Reduced
Kestra Advisory Services, LLC1,398$1.53M0.01%−531−27.5%Reduced
We Are One Seven, LLC1,394$1.52M0.03%+1+0.1%Added
Ducere Wealth Management LLC1,391$1.52M0.60%+46+3.4%Added
Odyssean, LLC1,388$1.52M0.55%+605+77.3%Added
DSG Capital Advisors, LLC1,365$1.49M0.24%−132−8.8%Reduced
Beacon Pointe Advisors, LLC1,360$1.49M0.01%+979+257.0%Added
Summit Place Financial Advisors, LLC1,357$1.48M0.71%+63+4.9%Added
Evergreen Capital Management LLC1,350$1.48M0.03%+43+3.3%Added
MUFG Securities Americas Inc.1,348$1.47M0.09%+57+4.4%Added
North Dakota State Investment Board1,341$1.47M0.06%−245−15.4%Reduced
Moody National Bank Trust Division1,341$1.47M0.14%+16+1.2%Added
Plato Investment Management Ltd1,337$1.46M0.10%+300+28.9%Added
RDA Financial Network1,337$1.46M0.37%−216−13.9%Reduced
NVWM, LLC1,334$1.46M0.32%+67+5.3%Added
Securian Asset Management, Inc1,329$1.45M0.06%00.0%Unchanged
Stance Capital LLC1,323$1.45M0.70%−93−6.6%Reduced
Westpac Banking Corp1,316$1.44M0.10%+127+10.7%Added
Krilogy Financial LLC1,023$1.44M0.05%+699+215.7%Added
Arista Wealth Management, LLC1,298$1.42M0.17%+1,298New
Emerald Advisers, LLC1,274$1.39M0.04%00.0%Unchanged
Tema ETFs LLC1,258$1.38M0.09%−27−2.1%Reduced
Empirical Finance, LLC1,256$1.37M0.06%+1+0.1%Added
Concurrent Investment Advisors, LLC1,244$1.36M0.01%+211+20.4%Added
RSM US Wealth Management LLC1,223$1.34M0.02%+27+2.3%Added
Ellevest, Inc.1,224$1.34M0.19%+21+1.7%Added
Peterson Wealth Services1,223$1.34M0.33%00.0%Unchanged
Kentucky Retirement Systems Insurance Trust Fund1,218$1.33M0.09%00.0%Unchanged
D. E. Shaw & Co., Inc.1,217$1.33M0.00%−131−9.7%Reduced
Boomfish Wealth Group, LLC1,213$1.33M0.71%−15−1.2%Reduced
Lido Advisors, LLC1,209$1.32M0.01%−730−37.6%Reduced
XML Financial, LLC1,211$1.32M0.11%00.0%Unchanged
U.S. Capital Wealth Advisors, LLC1,207$1.32M0.03%+1,207New
Regions Financial Corp1,207$1.32M0.01%−538−30.8%Reduced
Snowden Capital Advisors LLC1,200$1.31M0.03%+14+1.2%Added
Pier 88 Investment Partners LLC1,200$1.31M0.34%−150−11.1%Reduced
Great Lakes Advisors, LLC1,194$1.31M0.01%−46−3.7%Reduced
Canada Post Corp Registered Pension Plan1,170$1.28M0.05%00.0%Unchanged
Simmons Bank1,166$1.27M0.09%+1,166New
Siemens Fonds Invest GmbH1,164$1.27M0.07%+289+33.0%Added
Wahed Invest LLC1,162$1.27M0.16%−54−4.4%Reduced
Qtron Investments LLC1,150$1.26M0.17%00.0%Unchanged
Exchange Traded Concepts, LLC1,150$1.26M0.01%−312−21.3%Reduced
Baader Bank INC1,145$1.25M0.12%+373+48.3%Added
KPP Advisory Services LLC1,119$1.22M0.18%−12−1.1%Reduced
Nicolet Bankshares Inc1,089$1.22M0.04%+1,089New
Greenleaf Trust1,110$1.21M0.01%+21+1.9%Added
Penserra Capital Management LLC1,107$1.21M0.01%+64+6.1%Added
Ninepoint Partners LP1,099$1.20M0.14%+1,099New
Net Worth Advisory Group1,086$1.19M0.25%−70−6.1%Reduced
Kingsview Wealth Management, LLC1,064$1.16M0.02%+18+1.7%Added
Triad Wealth Partners, LLC1,061$1.16M0.09%+87+8.9%Added
Gibbs Wealth Management1,058$1.16M0.15%+148+16.3%Added
SRS Capital Advisors, Inc.1,051$1.15M0.03%−345−24.7%Reduced
Prospera Financial Services Inc1,050$1.15M0.02%+2+0.2%Added
Chicago Partners Investment Group LLC746$1.14M0.03%+218+41.3%Added
Prosperity Financial Group, Inc.1,035$1.13M0.42%−4−0.4%Reduced
Prime Capital Investment Advisors, LLC1,027$1.12M0.01%−35−3.3%Reduced
Axecap Investments, LLC1,027$1.12M0.77%+1,027New
Bessemer Group Inc1,018$1.11M0.00%+86+9.2%Added
BankPlus Trust Department1,010$1.10M0.30%−250−19.8%Reduced
Aaron Wealth Advisors1,007$1.10M0.06%−32−3.1%Reduced
Inscription Capital, LLC1,006$1.10M0.12%+17+1.7%Added
Advisory Services Network, LLC997$1.09M0.01%+64+6.9%Added
Virtu Financial LLC997$1.09M0.05%+251+33.6%Added
Mather Group, LLC.992$1.08M0.01%+46+4.9%Added
United Asset Strategies, Inc.987$1.08M0.09%−342−25.7%Reduced
First National Bank of Hutchinson987$1.08M0.69%+39+4.1%Added
Pitcairn Wealth Advisors LLC1,189$1.08M0.10%00.0%Unchanged
Signaturefd, LLC982$1.07M0.02%+60+6.5%Added
Independent Financial Group, LLC981$1.07M0.02%−440−31.0%Reduced
RMR Wealth Builders974$1.06M0.08%+16+1.7%Added
Empirical Asset Management, LLC973$1.06M0.28%−804−45.2%Reduced
Frec Markets, Inc.968$1.06M0.18%+13+1.4%Added
Huntington National Bank956$1.05M0.01%+13+1.4%Added
Clearstead Advisors, LLC955$1.04M0.01%−33−3.3%Reduced
Sanibel Captiva Trust Company, Inc.947$1.04M0.03%+543+134.4%Added
Winnow Wealth LLC947$1.04M0.80%−71−7.0%Reduced
Central Pacific Bank - Trust Division931$1.02M0.13%−202−17.8%Reduced
Gateway Investment Advisers LLC911$996.0K0.01%+575+171.1%Added
Citizens Financial Group Inc900$983.9K0.01%−124−12.1%Reduced
Banco Santander, S.A.892$975.3K0.01%−1,960−68.7%Reduced
TD Private Client Wealth LLC889$972.0K0.02%−170−16.1%Reduced
Three Seasons Wealth, LLC879$962.8K0.37%+609+225.6%Added
Suncoast Equity Management879$961.1K0.12%−196−18.2%Reduced
Gilbert & Cook, Inc.877$958.9K0.12%+276+45.9%Added
Jefferies Financial Group Inc.863$943.6K0.01%−218−20.2%Reduced
Apollon Wealth Management, LLC861$941.1K0.02%+205+31.3%Added
Caitlin John, LLC841$919.7K0.55%−423−33.5%Reduced
Brookstone Capital Management840$918.3K0.01%−59−6.6%Reduced
Lighthouse Investment Partners, LLC838$916.2K0.03%+838New
Vise Technologies, Inc.1,008$914.0K0.02%00.0%Unchanged
National Wealth Management Group, LLC834$911.9K0.34%−502−37.6%Reduced
Venturi Wealth Management, LLC833$910.8K0.04%+833New