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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, Q1 2025

Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2025. 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
862
+13 vs. Q4 2024
Shares held
46.7M
+400.1K (+0.9%) vs. Q4 2024
Total value
$27.0B
−$340.6M (−1.2%) vs. Q4 2024
New holders
123
331 more added
Sold out
110
309 more reduced

15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 862 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 2025: $27.0B
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 2025

Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2024.

Institutions holding MPWR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Quest 10 Wealth Builders, Inc.0$2730.00%0New
Chesapeake Asset Management LLC1$5790.00%00.0%Unchanged
Ancora Advisors, LLC1$5800.00%−1−50.0%Reduced
Raffa Wealth Management, LLC1$5800.00%−1−50.0%Reduced
Horizon Financial Services, LLC1$5800.00%−1−50.0%Reduced
West Paces Advisors Inc.1$5800.00%00.0%Unchanged
Parkworth Wealth Management, Inc.1$5800.00%00.0%Unchanged
MPWM Advisory Solutions, LLC1$5800.00%00.0%Unchanged
WestEnd Advisors, LLC1$5800.00%+1New
First Command Advisory Services, Inc.1$5800.00%+1New
Bare Financial Services, Inc1$5800.00%+1New
American Capital Advisory, LLC1$5800.00%+1New
Bay Harbor Wealth Management, LLC1$5810.00%+1New
PEAK6 LLC2$9130.00%−935−99.8%Reduced
TFC Financial Management2$1.16K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC2$1.16K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.2$1.16K0.00%00.0%Unchanged
St Germain D J Co Inc2$1.16K0.00%00.0%Unchanged
Brown, Lisle/Cummings, Inc.2$1.16K0.00%+2New
Riggs Asset Managment Co. Inc.2$1.16K0.00%+2New
Key Financial Inc2$1.16K0.00%+2New
Private Wealth Asset Management, LLC2$1.16K0.00%+2New
Dogwood Wealth Management LLC2$1.16K0.00%+2New
Cranbrook Wealth Management, LLC2$1.28K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC3$1.69K0.00%+2+200.0%Added
Hexagon Capital Partners LLC3$1.74K0.00%−3−50.0%Reduced
Albion Financial Group3$1.74K0.00%00.0%Unchanged
Longfellow Investment Management Co LLC3$1.74K0.00%00.0%Unchanged
Crews Bank & Trust3$1.74K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC3$1.74K0.00%+2+200.0%Added
Addison Advisors LLC3$1.74K0.00%+3New
Hughes Financial Services, LLC3$1.74K0.00%+3New
Avion Wealth5$2.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC3$2.00K0.00%+1+50.0%Added
NBC Securities, Inc.5$2.00K0.00%+5New
Colonial Trust Co4$2.06K0.00%−23−85.2%Reduced
Kozak & Associates, Inc.4$2.17K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC5$2.90K0.00%00.0%Unchanged
WealthTrak Capital Management LLC5$2.90K0.00%+1+25.0%Added
WealthCollab, LLC5$2.90K0.00%+2+66.7%Added
Garde Capital, Inc.5$2.90K0.00%+5New
Prestige Wealth Management Group LLC5$2.91K0.00%00.0%Unchanged
Cornerstone Planning Group LLC6$3.22K0.00%+3+100.0%Added
Abound Wealth Management6$3.25K0.00%−1−14.3%Reduced
Legacy Wealth Managment, LLC6$3.48K0.00%00.0%Unchanged
Proffitt & Goodson Inc6$3.48K0.00%00.0%Unchanged
Concord Wealth Partners6$3.48K0.00%00.0%Unchanged
Whipplewood Advisors, LLC791$3.48K0.00%+785+13,083.3%Added
Synergy Investment Management, LLC6$3.48K0.00%00.0%Unchanged
Westside Investment Management, Inc.6$3.49K0.00%00.0%Unchanged
Dunhill Financial, LLC6$3.56K0.00%−2−25.0%Reduced
Smithfield Trust Co5$4.00K0.00%00.0%Unchanged
Private Wealth Management Group, LLC7$4.06K0.00%−10−58.8%Reduced
Creative Financial Designs Inc7$4.06K0.00%+4+133.3%Added
Mowery & Schoenfeld Wealth Management, LLC7$4.07K0.01%00.0%Unchanged
SJS Investment Consulting Inc.8$4.64K0.00%00.0%Unchanged
Crowley Wealth Management, Inc.8$4.64K0.00%00.0%Unchanged
Financial Network Wealth Advisors LLC8$4.64K0.01%+5+166.7%Added
Activest Wealth Management8$4.64K0.00%+8New
Beacon Capital Management, LLC8$4.65K0.00%+1+14.3%Added
ORG Partners LLC8$4.65K0.00%+8New
Washington Trust Co8$4.69K0.00%−9−52.9%Reduced
Cheviot Value Management, LLC8$5.02K0.00%+8New
Logan Capital Management Inc9$5.22K0.00%00.0%Unchanged
Financial Management Professionals, Inc.9$5.22K0.00%00.0%Unchanged
Fortitude Family Office, LLC9$5.22K0.00%00.0%Unchanged
Atlantic Trust, LLC9$5.22K0.00%+9New
Tidemark, LLC9$5.22K0.00%+9New
Sound Income Strategies, LLC9$5.25K0.00%−297−97.1%Reduced
HM Payson & Co10$5.80K0.00%00.0%Unchanged
Berkshire Capital Holdings Inc10$5.80K0.00%00.0%Unchanged
United Community Bank10$5.80K0.00%+10New
Armstrong Advisory Group, Inc10$5.95K0.00%00.0%Unchanged
Cetera Trust Company, N.A11$6.38K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC11$6.38K0.00%+1+10.0%Added
City Holding Co12$6.96K0.00%+12New
Sunbelt Securities, Inc.12$6.96K0.00%−4−25.0%Reduced
Atwood & Palmer Inc12$6.96K0.00%00.0%Unchanged
Webster Bank, N. A.12$6.96K0.00%00.0%Unchanged
Cary Street Partners Financial LLC12$6.96K0.00%+4+50.0%Added
Highline Wealth Partners LLC12$6.96K0.00%+10+500.0%Added
North Capital, Inc.12$6.96K0.01%+12New
Clark Wealth Partners12$6.96K0.01%+12New
Hemington Wealth Management13$7.00K0.00%+4+44.4%Added
Eastern Bank13$7.54K0.00%+2+18.2%Added
Pacific Center for Financial Services14$8.12K0.00%00.0%Unchanged
Bogart Wealth, LLC15$8.70K0.00%−1−6.3%Reduced
Sachetta, LLC15$8.71K0.00%00.0%Unchanged
AdvisorNet Financial, Inc16$9.28K0.00%+6+60.0%Added
Sandy Spring Bank17$9.86K0.00%00.0%Unchanged
Flaharty Asset Management, LLC17$9.86K0.00%+17New
Cullen/Frost Bankers, Inc.17$9.87K0.00%−718−97.7%Reduced
Saudi Central Bank19$11.0K0.06%+19New
Morgan Dempsey Capital Management LLC19$11.0K0.00%00.0%Unchanged
Berbice Capital Management LLC20$11.6K0.01%+20New
Harbor Investment Advisory, LLC21$12.2K0.00%00.0%Unchanged
Harbour Investments, Inc.21$12.2K0.00%+9+75.0%Added
Country Trust Bank24$13.9K0.00%00.0%Unchanged
Ulland Investment Advisors, LLC25$14.0K0.01%00.0%Unchanged
Financial Perspectives, Inc24$14.0K0.00%00.0%Unchanged