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, Q3 2025
Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
- 981
- +89 vs. Q2 2025
- Shares held
- 46.8M
- +118.5K (+0.3%) vs. Q2 2025
- Total value
- $43.0B
- +$8.79B (+25.7%) vs. Q2 2025
- New holders
- 164
- 361 more added
- Sold out
- 75
- 317 more reduced
15 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,250 | $65.6B |
| Q1 2026 | 1,124 | $51.6B |
| Q4 2025 | 1,061 | $44.2B |
| Q3 2025 | 981 | $43.0B |
| Q2 2025 | 907 | $34.6B |
| Q1 2025 | 862 | $27.0B |
| Q4 2024 | 864 | $27.6B |
| Q3 2024 | 885 | $42.8B |
| Q2 2024 | 838 | $38.6B |
| Q1 2024 | 807 | $31.2B |
| Q4 2023 | 737 | $28.6B |
| Q3 2023 | 655 | $21.2B |
| Q2 2023 | 652 | $25.2B |
| Q1 2023 | 669 | $23.3B |
| Q4 2022 | 611 | $16.5B |
| Q3 2022 | 630 | $16.6B |
| Q2 2022 | 625 | $16.8B |
| Q1 2022 | 611 | $21.3B |
| Q4 2021 | 627 | $21.5B |
| Q3 2021 | 579 | $21.1B |
| Q2 2021 | 533 | $16.1B |
| Q1 2021 | 530 | $15.1B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ninepoint Partners LP | 162 | $149.1K | 0.02% | +162 | New |
| TD Waterhouse Canada Inc. | 162 | $148.2K | 0.00% | −2−1.2% | Reduced |
| Rothschild Investment LLC | 156 | $143.6K | 0.01% | +2+1.3% | Added |
| Ofi Invest Asset Management | 178 | $139.5K | 0.00% | +178 | New |
| Reyes Financial Architecture, Inc. | 150 | $138.1K | 0.09% | −75−33.3% | Reduced |
| Capital Analysts, LLC | 146 | $134.0K | 0.00% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 145 | $133.5K | 0.01% | +51+54.3% | Added |
| Cromwell Holdings LLC | 143 | $131.9K | 0.07% | +12+9.2% | Added |
| Aventura Private Wealth, LLC | 142 | $130.7K | 0.05% | +3+2.2% | Added |
| Park Place Capital Corp | 137 | $126.1K | 0.03% | −47−25.5% | Reduced |
| Promus Capital, LLC | 136 | $125.2K | 0.08% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 134 | $123.6K | 0.01% | −131−49.4% | Reduced |
| Trust Co of Vermont | 130 | $119.7K | 0.01% | 00.0% | Unchanged |
| Avalon Trust Co | 127 | $116.9K | 0.01% | +127 | New |
| Onefund, LLC | 125 | $115.1K | 0.07% | +1+0.8% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 123 | $113.0K | 0.00% | +15+13.9% | Added |
| Sentry Investment Management LLC | 114 | $112.0K | 0.07% | −23−16.8% | Reduced |
| Essex Investment Management Co LLC | 120 | $110.5K | 0.02% | −180−60.0% | Reduced |
| Quent Capital, LLC | 117 | $108.0K | 0.01% | +117 | New |
| Wealthspire Advisors, LLC | 113 | $104.0K | 0.00% | +113 | New |
| Leonteq Securities AG | 97 | $89.3K | 0.00% | −63−39.4% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 87 | $80.1K | 0.02% | 00.0% | Unchanged |
| Evelyn Partners Asset Management Ltd | 84 | $77.3K | 0.02% | 00.0% | Unchanged |
| Clear Street Markets LLC | 83 | $76.4K | 0.03% | +51+159.4% | Added |
| Private Trust Co NA | 82 | $75.5K | 0.01% | −1−1.2% | Reduced |
| Federated Hermes, Inc. | 79 | $72.7K | 0.00% | +23+41.1% | Added |
| Sterling Capital Management LLC | 75 | $69.0K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 70 | $64.4K | 0.00% | +56+400.0% | Added |
| Trust Co of Toledo NA | 66 | $60.8K | 0.01% | 00.0% | Unchanged |
| Delta Asset Management LLC | 65 | $59.8K | 0.01% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 64 | $58.9K | 0.01% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 62 | $57.1K | 0.00% | −3−4.6% | Reduced |
| First Horizon Corp | 60 | $55.2K | 0.00% | +60 | New |
| Pilgrim Partners Asia Pte Ltd | 60 | $55.2K | 0.02% | +60 | New |
| Provenance Wealth Advisors, LLC | 60 | $55.2K | 0.01% | +60 | New |
| Geneos Wealth Management Inc. | 58 | $53.4K | 0.00% | −50−46.3% | Reduced |
| Cornerstone Planning Group LLC | 45 | $48.9K | 0.01% | +38+542.9% | Added |
| Fourth Dimension Wealth, LLC | 49 | $45.1K | 0.02% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 46 | $42.3K | 0.00% | +46 | New |
| GW&K Investment Management, LLC | 46 | $42.0K | 0.00% | +4+9.5% | Added |
| Tradewinds Capital Management, LLC | 44 | $40.5K | 0.01% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 43 | $39.6K | 0.00% | −3−6.5% | Reduced |
| Legacy Wealth Managment, LLC | 42 | $38.7K | 0.02% | +36+600.0% | Added |
| Rise Advisors, LLC | 41 | $38.1K | 0.01% | +1+2.5% | Added |
| Armstrong Advisory Group, Inc | 41 | $37.9K | 0.00% | +27+192.9% | Added |
| WPG Advisers, LLC | 41 | $37.7K | 0.03% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 37 | $34.1K | 0.01% | −1−2.6% | Reduced |
| Harbour Investments, Inc. | 37 | $34.1K | 0.00% | +10+37.0% | Added |
| Salomon & Ludwin, LLC | 36 | $33.1K | 0.00% | +36 | New |
| Essential Partners LLC | 33 | $30.4K | 0.01% | +4+13.8% | Added |
| University of Texas/Texas Am Investment Managment Co | 32 | $29.5K | 0.00% | +32 | New |
| Covestor Ltd | 31 | $29.0K | 0.02% | +1+3.3% | Added |
| Solstein Capital, LLC | 31 | $28.5K | 0.01% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 31 | $28.5K | 0.00% | +3+10.7% | Added |
| Wolff Wiese Magana LLC | 30 | $27.6K | 0.02% | 00.0% | Unchanged |
| True Wealth Design, LLC | 29 | $26.5K | 0.01% | +11+61.1% | Added |
| SJS Investment Consulting Inc. | 28 | $25.8K | 0.00% | +27+2,700.0% | Added |
| Farmers & Merchants Investments Inc | 28 | $25.8K | 0.00% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 27 | $24.9K | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 26 | $23.9K | 0.00% | +2+8.3% | Added |
| Anchor Investment Management, LLC | 25 | $23.0K | 0.00% | 00.0% | Unchanged |
| Ulland Investment Advisors, LLC | 25 | $23.0K | 0.02% | 00.0% | Unchanged |
| Hemington Wealth Management | 26 | $23.0K | 0.00% | +4+18.2% | Added |
| Financial Perspectives, Inc | 24 | $22.4K | 0.01% | 00.0% | Unchanged |
| Tidemark, LLC | 24 | $22.1K | 0.01% | −16−40.0% | Reduced |
| Marshall & Sterling Wealth Advisors Inc. | 23 | $21.2K | 0.01% | 00.0% | Unchanged |
| Clark Wealth Partners | 22 | $19.9K | 0.01% | +22 | New |
| Private Wealth Management Group, LLC | 21 | $19.3K | 0.01% | −1−4.5% | Reduced |
| Harbor Investment Advisory, LLC | 21 | $19.3K | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 21 | $19.3K | 0.01% | +5+31.3% | Added |
| Ameritas Advisory Services, LLC | 21 | $19.3K | 0.00% | +17+425.0% | Added |
| Berbice Capital Management LLC | 20 | $18.4K | 0.01% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 20 | $18.4K | 0.01% | +20 | New |
| Westfuller Advisors, LLC | 19 | $17.7K | 0.01% | +19 | New |
| Morgan Dempsey Capital Management LLC | 19 | $17.5K | 0.01% | 00.0% | Unchanged |
| Rexford Capital Inc | 19 | $17.5K | 0.01% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 19 | $17.5K | 0.00% | +2+11.8% | Added |
| TCTC Holdings, LLC | 18 | $16.6K | 0.00% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 17 | $15.7K | 0.00% | +16+1,600.0% | Added |
| Avion Wealth | 17 | $15.0K | 0.00% | +3+21.4% | Added |
| Sachetta, LLC | 16 | $14.7K | 0.01% | +3+23.1% | Added |
| Imprint Wealth LLC | 16 | $14.7K | 0.05% | +16 | New |
| JFS Wealth Advisors, LLC | 15 | $13.8K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 15 | $13.8K | 0.00% | +13+650.0% | Added |
| Transamerica Financial Advisors, Inc. | 15 | $12.9K | 0.00% | +15 | New |
| Pacific Center for Financial Services | 14 | $12.9K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 14 | $12.9K | 0.00% | 00.0% | Unchanged |
| North Capital, Inc. | 14 | $12.9K | 0.01% | +2+16.7% | Added |
| Fortitude Family Office, LLC | 13 | $12.0K | 0.00% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 12 | $11.1K | 0.00% | +2+20.0% | Added |
| Sunbelt Securities, Inc. | 12 | $11.0K | 0.00% | −4−25.0% | Reduced |
| Atwood & Palmer Inc | 12 | $11.0K | 0.00% | 00.0% | Unchanged |
| Webster Bank, N. A. | 12 | $11.0K | 0.00% | 00.0% | Unchanged |
| Halbert Hargrove Global Advisors, LLC | 12 | $11.0K | 0.00% | +12 | New |
| Eastern Bank | 11 | $10.1K | 0.00% | 00.0% | Unchanged |
| Cetera Trust Company, N.A | 11 | $10.1K | 0.01% | 00.0% | Unchanged |
| Crewe Advisors LLC | 10 | $9.21K | 0.00% | +10 | New |
| Howard Hughes Medical Institute | 10 | $9.21K | 0.01% | 00.0% | Unchanged |
| Berkshire Capital Holdings Inc | 10 | $9.21K | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 10 | $9.21K | 0.00% | +4+66.7% | Added |