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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
EverSource Wealth Advisors, LLC734$802.3K0.02%−15−2.0%Reduced
CNB Bank738$806.9K0.34%−37−4.8%Reduced
Farther Finance Advisors, LLC723$809.9K0.01%−98−11.9%Reduced
Gaddis Premier Wealth Advisors LLC742$811.3K0.60%+742New
Atomi Financial Group, Inc.753$823.5K0.03%+245+48.2%Added
TCW Group Inc756$826.6K0.01%+37+5.1%Added
WESPAC Advisors, LLC757$827.7K0.45%+156+26.0%Added
Meiji Yasuda Life Insurance Co764$835.3K0.03%−431−36.1%Reduced
HMS Capital Management, LLC769$841.2K0.33%+52+7.3%Added
Principal Securities, Inc.779$852.2K0.01%−26−3.2%Reduced
Riverstone Advisors, LLC783$856.1K0.42%+110+16.3%Added
Green Alpha Advisors, LLC792$866.1K0.85%−33−4.0%Reduced
Balyasny Asset Management LLC795$869.2K0.00%−22−2.7%Reduced
Vestmark Advisory Solutions, Inc.796$870.6K0.01%−52−6.1%Reduced
Perigon Wealth Management, LLC805$879.7K0.02%+130+19.3%Added
American Trust812$887.8K0.08%−130−13.8%Reduced
ICICI Prudential Asset Management Co Ltd814$890.0K0.11%+46+6.0%Added
Belpointe Asset Management LLC820$896.5K0.03%+820New
Fortis Capital Advisors, LLC820$896.5K0.12%+820New
Shaker Investments LLC823$899.8K0.41%−14−1.7%Reduced
Parkside Financial Bank & Trust825$902.0K0.07%−36−4.2%Reduced
BDFS Capital LLC825$902.1K0.43%+825New
Syon Capital LLC828$905.4K0.05%+56+7.3%Added
Morey & Quinn Wealth Partners, LLC831$908.6K0.65%00.0%Unchanged
Venturi Wealth Management, LLC833$910.8K0.04%+833New
National Wealth Management Group, LLC834$911.9K0.34%−502−37.6%Reduced
Vise Technologies, Inc.1,008$914.0K0.02%00.0%Unchanged
Lighthouse Investment Partners, LLC838$916.2K0.03%+838New
Brookstone Capital Management840$918.3K0.01%−59−6.6%Reduced
Caitlin John, LLC841$919.7K0.55%−423−33.5%Reduced
Apollon Wealth Management, LLC861$941.1K0.02%+205+31.3%Added
Jefferies Financial Group Inc.863$943.6K0.01%−218−20.2%Reduced
Gilbert & Cook, Inc.877$958.9K0.12%+276+45.9%Added
Suncoast Equity Management879$961.1K0.12%−196−18.2%Reduced
Three Seasons Wealth, LLC879$962.8K0.37%+609+225.6%Added
TD Private Client Wealth LLC889$972.0K0.02%−170−16.1%Reduced
Banco Santander, S.A.892$975.3K0.01%−1,960−68.7%Reduced
Citizens Financial Group Inc900$983.9K0.01%−124−12.1%Reduced
Gateway Investment Advisers LLC911$996.0K0.01%+575+171.1%Added
Central Pacific Bank - Trust Division931$1.02M0.13%−202−17.8%Reduced
Winnow Wealth LLC947$1.04M0.80%−71−7.0%Reduced
Sanibel Captiva Trust Company, Inc.947$1.04M0.03%+543+134.4%Added
Clearstead Advisors, LLC955$1.04M0.01%−33−3.3%Reduced
Huntington National Bank956$1.05M0.01%+13+1.4%Added
Frec Markets, Inc.968$1.06M0.18%+13+1.4%Added
Empirical Asset Management, LLC973$1.06M0.28%−804−45.2%Reduced
RMR Wealth Builders974$1.06M0.08%+16+1.7%Added
Independent Financial Group, LLC981$1.07M0.02%−440−31.0%Reduced
Signaturefd, LLC982$1.07M0.02%+60+6.5%Added
Pitcairn Wealth Advisors LLC1,189$1.08M0.10%00.0%Unchanged
First National Bank of Hutchinson987$1.08M0.69%+39+4.1%Added
United Asset Strategies, Inc.987$1.08M0.09%−342−25.7%Reduced
Mather Group, LLC.992$1.08M0.01%+46+4.9%Added
Virtu Financial LLC997$1.09M0.05%+251+33.6%Added
Advisory Services Network, LLC997$1.09M0.01%+64+6.9%Added
Inscription Capital, LLC1,006$1.10M0.12%+17+1.7%Added
Aaron Wealth Advisors1,007$1.10M0.06%−32−3.1%Reduced
BankPlus Trust Department1,010$1.10M0.30%−250−19.8%Reduced
Bessemer Group Inc1,018$1.11M0.00%+86+9.2%Added
Axecap Investments, LLC1,027$1.12M0.77%+1,027New
Prime Capital Investment Advisors, LLC1,027$1.12M0.01%−35−3.3%Reduced
Prosperity Financial Group, Inc.1,035$1.13M0.42%−4−0.4%Reduced
Chicago Partners Investment Group LLC746$1.14M0.03%+218+41.3%Added
Prospera Financial Services Inc1,050$1.15M0.02%+2+0.2%Added
SRS Capital Advisors, Inc.1,051$1.15M0.03%−345−24.7%Reduced
Gibbs Wealth Management1,058$1.16M0.15%+148+16.3%Added
Triad Wealth Partners, LLC1,061$1.16M0.09%+87+8.9%Added
Kingsview Wealth Management, LLC1,064$1.16M0.02%+18+1.7%Added
Net Worth Advisory Group1,086$1.19M0.25%−70−6.1%Reduced
Ninepoint Partners LP1,099$1.20M0.14%+1,099New
Penserra Capital Management LLC1,107$1.21M0.01%+64+6.1%Added
Greenleaf Trust1,110$1.21M0.01%+21+1.9%Added
Nicolet Bankshares Inc1,089$1.22M0.04%+1,089New
KPP Advisory Services LLC1,119$1.22M0.18%−12−1.1%Reduced
Baader Bank INC1,145$1.25M0.12%+373+48.3%Added
Exchange Traded Concepts, LLC1,150$1.26M0.01%−312−21.3%Reduced
Qtron Investments LLC1,150$1.26M0.17%00.0%Unchanged
Wahed Invest LLC1,162$1.27M0.16%−54−4.4%Reduced
Siemens Fonds Invest GmbH1,164$1.27M0.07%+289+33.0%Added
Simmons Bank1,166$1.27M0.09%+1,166New
Canada Post Corp Registered Pension Plan1,170$1.28M0.05%00.0%Unchanged
Great Lakes Advisors, LLC1,194$1.31M0.01%−46−3.7%Reduced
Pier 88 Investment Partners LLC1,200$1.31M0.34%−150−11.1%Reduced
Snowden Capital Advisors LLC1,200$1.31M0.03%+14+1.2%Added
Regions Financial Corp1,207$1.32M0.01%−538−30.8%Reduced
U.S. Capital Wealth Advisors, LLC1,207$1.32M0.03%+1,207New
XML Financial, LLC1,211$1.32M0.11%00.0%Unchanged
Lido Advisors, LLC1,209$1.32M0.01%−730−37.6%Reduced
Boomfish Wealth Group, LLC1,213$1.33M0.71%−15−1.2%Reduced
D. E. Shaw & Co., Inc.1,217$1.33M0.00%−131−9.7%Reduced
Kentucky Retirement Systems Insurance Trust Fund1,218$1.33M0.09%00.0%Unchanged
Peterson Wealth Services1,223$1.34M0.33%00.0%Unchanged
Ellevest, Inc.1,224$1.34M0.19%+21+1.7%Added
RSM US Wealth Management LLC1,223$1.34M0.02%+27+2.3%Added
Concurrent Investment Advisors, LLC1,244$1.36M0.01%+211+20.4%Added
Empirical Finance, LLC1,256$1.37M0.06%+1+0.1%Added
Tema ETFs LLC1,258$1.38M0.09%−27−2.1%Reduced
Emerald Advisers, LLC1,274$1.39M0.04%00.0%Unchanged
Arista Wealth Management, LLC1,298$1.42M0.17%+1,298New
Krilogy Financial LLC1,023$1.44M0.05%+699+215.7%Added