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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
First National Bank of Hutchinson695$960.7K0.53%−292−29.6%Reduced
Central Pacific Bank - Trust Division696$962.1K0.10%−235−25.2%Reduced
Twin Capital Management Inc700$967.7K0.11%+5+0.7%Added
Stephens Inc703$971.8K0.01%+27+4.0%Added
Frank, Rimerman Advisors LLC703$971.8K0.06%+342+94.7%Added
Atomi Financial Group, Inc.704$974.2K0.03%−49−6.5%Reduced
Mutual Advisors, LLC706$976.0K0.02%+41+6.2%Added
Crestwood Advisors Group LLC710$981.2K0.01%+45+6.8%Added
Moneta Group Investment Advisors LLC710$982.1K0.01%−9−1.3%Reduced
Parkside Financial Bank & Trust712$984.2K0.07%−113−13.7%Reduced
Migdal Insurance & Financial Holdings Ltd.728$985.5K0.01%+656+911.1%Added
Fiduciary Trust Co723$998.8K0.01%+7+1.0%Added
Axecap Investments, LLC723$999.4K0.55%−304−29.6%Reduced
Cannon Advisors, Inc.732$1.01M0.61%00.0%Unchanged
Chicago Partners Investment Group LLC722$1.01M0.02%−24−3.2%Reduced
Perigon Wealth Management, LLC732$1.01M0.02%−73−9.1%Reduced
V-Square Quantitative Management LLC734$1.01M0.10%+137+22.9%Added
Nicolet Bankshares Inc754$1.02M0.03%−335−30.8%Reduced
Howard Capital Management Inc.741$1.02M0.01%+741New
Vestmark Advisory Solutions, Inc.743$1.03M0.01%−53−6.7%Reduced
Pitcairn Wealth Advisors LLC744$1.03M0.11%−445−37.4%Reduced
Ronald Blue Trust, Inc.751$1.04M0.01%+21+2.9%Added
Gaddis Premier Wealth Advisors LLC759$1.05M0.64%+17+2.3%Added
Qtron Investments LLC760$1.05M0.14%−390−33.9%Reduced
HMS Capital Management, LLC763$1.06M0.39%−6−0.8%Reduced
Jain Global LLC770$1.06M0.01%+770New
Andra AP-fonden785$1.09M0.01%+450+134.3%Added
Green Alpha Advisors, LLC788$1.09M0.73%−4−0.5%Reduced
SummitTX Capital, L.P.795$1.10M0.03%+795New
Farther Finance Advisors, LLC805$1.11M0.01%+82+11.3%Added
National Wealth Management Group, LLC811$1.12M0.35%−23−2.8%Reduced
ICICI Prudential Asset Management Co Ltd812$1.12M0.12%−2−0.2%Reduced
TCW Group Inc815$1.13M0.01%+59+7.8%Added
Riverstone Advisors, LLC819$1.13M0.47%+36+4.6%Added
Syon Capital LLC824$1.14M0.05%−4−0.5%Reduced
Suncoast Equity Management826$1.14M0.14%−53−6.0%Reduced
Westpac Banking Corp828$1.14M0.07%−488−37.1%Reduced
Morey & Quinn Wealth Partners, LLC831$1.15M0.74%00.0%Unchanged
BDFS Capital LLC831$1.15M0.50%+6+0.7%Added
Sirios Capital Management L P845$1.17M0.14%−733−46.5%Reduced
Snowden Capital Advisors LLC855$1.18M0.03%−345−28.7%Reduced
First Commonwealth Financial Corp857$1.19M0.17%+857New
Gilbert & Cook, Inc.860$1.19M0.14%−17−1.9%Reduced
Prospera Financial Services Inc888$1.23M0.02%−162−15.4%Reduced
RDA Financial Network889$1.23M0.27%−448−33.5%Reduced
Winnow Wealth LLC895$1.24M0.84%−52−5.5%Reduced
Raiffeisen Bank International AG960$1.26M0.01%−1,550−61.8%Reduced
Generali Investments, Management Co LLC916$1.27M0.28%+345+60.4%Added
United Asset Strategies, Inc.922$1.27M0.09%−65−6.6%Reduced
Aaron Wealth Advisors926$1.28M0.07%−81−8.0%Reduced
EP Wealth Advisors, LLC927$1.28M0.00%+347+59.8%Added
Inscription Capital, LLC951$1.31M0.12%−55−5.5%Reduced
Independent Financial Group, LLC974$1.35M0.03%−7−0.7%Reduced
Prime Capital Investment Advisors, LLC979$1.35M0.01%−48−4.7%Reduced
RMR Wealth Builders985$1.36M0.08%+11+1.1%Added
Boomfish Wealth Group, LLC989$1.37M0.62%−224−18.5%Reduced
Net Worth Advisory Group1,000$1.38M0.35%−86−7.9%Reduced
Mather Group, LLC.1,004$1.39M0.01%+12+1.2%Added
Brown Brothers Harriman & Co1,013$1.40M0.01%+314+44.9%Added
Frec Markets, Inc.1,014$1.40M0.13%+46+4.8%Added
Global Retirement Partners, LLC1,022$1.41M0.02%+1,022New
Krilogy Financial LLC1,023$1.41M0.04%00.0%Unchanged
Signaturefd, LLC1,041$1.44M0.02%+59+6.0%Added
Huntington National Bank1,054$1.46M0.01%+98+10.3%Added
Beacon Pointe Advisors, LLC1,061$1.47M0.01%−299−22.0%Reduced
Prosperity Financial Group, Inc.1,069$1.48M0.46%+34+3.3%Added
Grantham, Mayo, Van Otterloo & Co. LLC1,071$1.48M0.00%−447−29.4%Reduced
Excelsior Advisor Network LLC1,074$1.48M0.20%+634+144.1%Added
Kingsview Wealth Management, LLC1,075$1.49M0.02%+11+1.0%Added
Greenleaf Trust1,093$1.51M0.01%−17−1.5%Reduced
Ellevest, Inc.1,096$1.52M0.18%−128−10.5%Reduced
Apollon Wealth Management, LLC1,099$1.52M0.02%+238+27.6%Added
XML Financial, LLC1,101$1.52M0.11%−110−9.1%Reduced
Arista Wealth Management, LLC1,106$1.53M0.16%−192−14.8%Reduced
Bessemer Group Inc1,114$1.54M0.00%+96+9.4%Added
Balyasny Asset Management LLC1,115$1.54M0.00%+320+40.3%Added
Savant Capital, LLC1,234$1.54M0.00%+590+91.6%Added
KPP Advisory Services LLC1,118$1.55M0.20%−1−0.1%Reduced
Lido Advisors, LLC1,117$1.55M0.01%−92−7.6%Reduced
Virtus Investment Advisers, Inc.1,134$1.57M0.37%−597−34.5%Reduced
Ossiam1,134$1.57M0.02%+1,134New
Wahed Invest LLC1,147$1.59M0.17%−15−1.3%Reduced
Great Lakes Advisors, LLC1,162$1.61M0.01%−32−2.7%Reduced
TrueMark Investments, LLC1,162$1.61M0.20%+551+90.2%Added
Wedmont Private Capital1,194$1.62M0.04%+13+1.1%Added
Three Seasons Wealth, LLC1,177$1.63M0.15%+298+33.9%Added
Clearstead Advisors, LLC1,184$1.64M0.02%+229+24.0%Added
Stance Capital LLC1,185$1.64M0.50%−138−10.4%Reduced
Plato Investment Management Ltd1,192$1.64M0.09%−145−10.8%Reduced
IPG Investment Advisors LLC1,197$1.65M0.24%+1,197New
Colony Group, LLC1,197$1.66M0.00%−1,902−61.4%Reduced
Citizens Financial Group Inc1,201$1.66M0.02%+301+33.4%Added
Ieq Capital, LLC1,203$1.66M0.01%+1,203New
Kentucky Retirement Systems Insurance Trust Fund1,213$1.68M0.10%−5−0.4%Reduced
Cim, LLC1,222$1.69M0.22%−649−34.7%Reduced
Meiji Yasuda Life Insurance Co1,227$1.70M0.06%+463+60.6%Added
Exchange Traded Concepts, LLC1,228$1.70M0.01%+78+6.8%Added
Boothbay Fund Management, LLC1,229$1.70M0.03%+1,229New
RSM US Wealth Management LLC1,231$1.70M0.02%+8+0.7%Added
Securian Asset Management, Inc1,298$1.70M0.06%−31−2.3%Reduced