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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
Holos Integrated Wealth LLC1$1.19K0.00%+1New
IMA Wealth, Inc.1$1.09K0.00%00.0%Unchanged
Triumph Capital Management1$1.09K0.00%+1New
Quaker Wealth Management, LLC1$1.09K0.00%00.0%Unchanged
TFC Financial Management1$1.09K0.00%00.0%Unchanged
DecisionPoint Financial, LLC1$1.09K0.00%00.0%Unchanged
Breakwater Investment Management1$1.09K0.00%00.0%Unchanged
Seneschal Advisors, LLC1$1.09K0.00%00.0%Unchanged
Cassaday & Co Wealth Management LLC1$1.09K0.00%+1New
Lloyd Advisory Services, LLC.1$1.09K0.00%−24−96.0%Reduced
Kingdom Financial Group LLC.1$1.09K0.00%−15−93.8%Reduced
WestEnd Advisors, LLC1$1.09K0.00%00.0%Unchanged
Trust Co1$1.09K0.00%00.0%Unchanged
Davis Capital Management1$1.09K0.00%00.0%Unchanged
Wealth Enhancement Trust Services, Inc.1$1.09K0.00%00.0%Unchanged
TD Capital Management LLC1$1.09K0.00%+1New
Stone House Investment Management, LLC1$1.09K0.00%+1New
Washington Trust Advisors, Inc.1$1.09K0.00%+1New
Ogorek Anthony Joseph1$1.00K0.00%00.0%Unchanged
Navigoe, LLC1$1.00K0.00%00.0%Unchanged
PEAK6 LLC1$7960.00%−2−66.7%Reduced
Beaird Harris Wealth Management, LLC1$6780.00%00.0%Unchanged
Quest 10 Wealth Builders, Inc.0$5140.00%−7−100.0%Reduced
Strategic Wealth Partners, Ltd.0$4400.00%0New
Analog Century Management LP0$00.00%−70,723−100.0%Sold out
Meridiem Capital Partners LP0$00.00%−42,723−100.0%Sold out
Millennium Management LLC0$00.00%−24,679−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−21,578−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−18,613−100.0%Sold out
Moore Capital Management, LP0$00.00%−17,080−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−10,500−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−4,397−100.0%Sold out
Jump Financial, LLC0$00.00%−4,445−100.0%Sold out
GTS Securities LLC0$00.00%−3,848−100.0%Sold out
Mirabaud Asset Management Ltd0$00.00%−4,881−100.0%Sold out
Neo Ivy Capital Management0$00.00%−3,515−100.0%Sold out
Kentucky Retirement Systems0$00.00%−2,906−100.0%Sold out
Osmosis Investment Management UK Ltd0$00.00%−2,473−100.0%Sold out
Sherman Porfolios, LLC0$00.00%−2,145−100.0%Sold out
XTX Topco Ltd0$00.00%−2,025−100.0%Sold out
Lifestyle Asset Management, Inc.0$00.00%−1,997−100.0%Sold out
Diversify Advisory Services, LLC0$00.00%−1,741−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−1,884−100.0%Sold out
Optimize Financial Inc0$00.00%−1,615−100.0%Sold out
Pinebridge Investments LLC0$00.00%−1,578−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−1,260−100.0%Sold out
Scientech Research LLC0$00.00%−1,208−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−1,205−100.0%Sold out
Point Nemo Capital, LLC0$00.00%−1,198−100.0%Sold out
HighPoint Advisor Group LLC0$00.00%−1,145−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−1,067−100.0%Sold out
CFC Planning Co LLC0$00.00%−1,006−100.0%Sold out
Picton Mahoney Asset Management0$00.00%−981−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−980−100.0%Sold out
Group One Trading, L.P.0$00.00%−929−100.0%Sold out
Stevens Capital Management LP0$00.00%−928−100.0%Sold out
Peak Financial Advisors LLC0$00.00%−789−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−682−100.0%Sold out
LRT Capital Management, LLC0$00.00%−663−100.0%Sold out
Unique Wealth Strategies, LLC0$00.00%−629−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−627−100.0%Sold out
Laurion Capital Management LP0$00.00%−600−100.0%Sold out
Navellier & Associates Inc0$00.00%−565−100.0%Sold out
Alps Advisors Inc0$00.00%−548−100.0%Sold out
AdvisorShares Investments LLC0$00.00%−520−100.0%Sold out
EFG International AG0$00.00%−504−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−503−100.0%Sold out
Deroy & Devereaux Private Investment Counsel Inc0$00.00%−500−100.0%Sold out
Financial Advisors Network, Inc.0$00.00%−479−100.0%Sold out
Adams Wealth Management0$00.00%−456−100.0%Sold out
CacheTech Inc.0$00.00%−456−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−458−100.0%Sold out
Covenant Partners, LLC0$00.00%−454−100.0%Sold out
McHugh Group, LLC0$00.00%−425−100.0%Sold out
Yarbrough Capital, LLC0$00.00%−418−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−406−100.0%Sold out
Journey Retirement Planning & Investment Management LLC0$00.00%−405−100.0%Sold out
Forum Financial Management, LP0$00.00%−390−100.0%Sold out
Aptus Capital Advisors, LLC0$00.00%−383−100.0%Sold out
Sage Mountain Advisors LLC0$00.00%−320−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−301−100.0%Sold out
Unique Wealth, LLC0$00.00%−281−100.0%Sold out
Quest Partners LLC0$00.00%−276−100.0%Sold out
Walser Wealth Management Company, A Ltd Liability Co0$00.00%−273−100.0%Sold out
Hutchens & Kramer Investment Management Group, LLC0$00.00%−272−100.0%Sold out
Howard Capital Management Inc.0$00.00%−270−100.0%Sold out
Occidental Asset Management, LLC0$00.00%−266−100.0%Sold out
OneAscent Financial Services LLC0$00.00%−263−100.0%Sold out
Fedenia Advisers LLC0$00.00%−262−100.0%Sold out
Personal Cfo Solutions, LLC0$00.00%−257−100.0%Sold out
MQS Management LLC0$00.00%−256−100.0%Sold out
Hollencrest Capital Management0$00.00%−245−100.0%Sold out
Gerber Kawasaki Wealth & Investment Management0$00.00%−226−100.0%Sold out
Clear Street Markets LLC0$00.00%−144−100.0%Sold out
Elyxium Wealth, LLC0$00.00%−115−100.0%Sold out
Sentry Investment Management LLC0$00.00%−114−100.0%Sold out
Reflection Asset Management0$00.00%−102−100.0%Sold out
Alphadyne Asset Management LP0$00.00%−67−100.0%Sold out
Greenline Wealth Management LLC0$00.00%−42−100.0%Sold out
University of Texas/Texas Am Investment Managment Co0$00.00%−31−100.0%Sold out