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, 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 |
|---|---|---|---|---|---|
| Sachetta, LLC | 16 | $14.7K | 0.01% | +3+23.1% | Added |
| Avion Wealth | 17 | $15.0K | 0.00% | +3+21.4% | Added |
| First Command Advisory Services, Inc. | 17 | $15.7K | 0.00% | +16+1,600.0% | Added |
| TCTC Holdings, LLC | 18 | $16.6K | 0.00% | 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 |
| Morgan Dempsey Capital Management LLC | 19 | $17.5K | 0.01% | 00.0% | Unchanged |
| Westfuller Advisors, LLC | 19 | $17.7K | 0.01% | +19 | New |
| Berbice Capital Management LLC | 20 | $18.4K | 0.01% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 20 | $18.4K | 0.01% | +20 | New |
| 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 |
| Private Wealth Management Group, LLC | 21 | $19.3K | 0.01% | −1−4.5% | Reduced |
| Clark Wealth Partners | 22 | $19.9K | 0.01% | +22 | New |
| Marshall & Sterling Wealth Advisors Inc. | 23 | $21.2K | 0.01% | 00.0% | Unchanged |
| Tidemark, LLC | 24 | $22.1K | 0.01% | −16−40.0% | Reduced |
| Financial Perspectives, Inc | 24 | $22.4K | 0.01% | 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 |
| Anchor Investment Management, LLC | 25 | $23.0K | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 26 | $23.9K | 0.00% | +2+8.3% | Added |
| Arlington Trust Co LLC | 27 | $24.9K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 28 | $25.8K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 28 | $25.8K | 0.00% | +27+2,700.0% | Added |
| True Wealth Design, LLC | 29 | $26.5K | 0.01% | +11+61.1% | Added |
| Wolff Wiese Magana LLC | 30 | $27.6K | 0.02% | 00.0% | Unchanged |
| Solstein Capital, LLC | 31 | $28.5K | 0.01% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 31 | $28.5K | 0.00% | +3+10.7% | Added |
| Covestor Ltd | 31 | $29.0K | 0.02% | +1+3.3% | Added |
| University of Texas/Texas Am Investment Managment Co | 32 | $29.5K | 0.00% | +32 | New |
| Essential Partners LLC | 33 | $30.4K | 0.01% | +4+13.8% | Added |
| Salomon & Ludwin, LLC | 36 | $33.1K | 0.00% | +36 | New |
| 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 |
| WPG Advisers, LLC | 41 | $37.7K | 0.03% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 41 | $37.9K | 0.00% | +27+192.9% | Added |
| Rise Advisors, LLC | 41 | $38.1K | 0.01% | +1+2.5% | Added |
| Legacy Wealth Managment, LLC | 42 | $38.7K | 0.02% | +36+600.0% | Added |
| Itau Unibanco Holding S.A. | 43 | $39.6K | 0.00% | −3−6.5% | Reduced |
| Tradewinds Capital Management, LLC | 44 | $40.5K | 0.01% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 46 | $42.0K | 0.00% | +4+9.5% | Added |
| Root Financial Partners, LLC | 46 | $42.3K | 0.00% | +46 | New |
| Fourth Dimension Wealth, LLC | 49 | $45.1K | 0.02% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 45 | $48.9K | 0.01% | +38+542.9% | Added |
| Geneos Wealth Management Inc. | 58 | $53.4K | 0.00% | −50−46.3% | 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 |
| AdvisorNet Financial, Inc | 62 | $57.1K | 0.00% | −3−4.6% | Reduced |
| Golden State Wealth Management, LLC | 64 | $58.9K | 0.01% | 00.0% | Unchanged |
| Delta Asset Management LLC | 65 | $59.8K | 0.01% | 00.0% | Unchanged |
| Trust Co of Toledo NA | 66 | $60.8K | 0.01% | 00.0% | Unchanged |
| IFP Advisors, Inc | 70 | $64.4K | 0.00% | +56+400.0% | Added |
| Sterling Capital Management LLC | 75 | $69.0K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 79 | $72.7K | 0.00% | +23+41.1% | Added |
| Private Trust Co NA | 82 | $75.5K | 0.01% | −1−1.2% | Reduced |
| Clear Street Markets LLC | 83 | $76.4K | 0.03% | +51+159.4% | Added |
| Evelyn Partners Asset Management Ltd | 84 | $77.3K | 0.02% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 87 | $80.1K | 0.02% | 00.0% | Unchanged |
| Leonteq Securities AG | 97 | $89.3K | 0.00% | −63−39.4% | Reduced |
| Wealthspire Advisors, LLC | 113 | $104.0K | 0.00% | +113 | New |
| Quent Capital, LLC | 117 | $108.0K | 0.01% | +117 | New |
| Essex Investment Management Co LLC | 120 | $110.5K | 0.02% | −180−60.0% | Reduced |
| Sentry Investment Management LLC | 114 | $112.0K | 0.07% | −23−16.8% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 123 | $113.0K | 0.00% | +15+13.9% | Added |
| Onefund, LLC | 125 | $115.1K | 0.07% | +1+0.8% | Added |
| Avalon Trust Co | 127 | $116.9K | 0.01% | +127 | New |
| Trust Co of Vermont | 130 | $119.7K | 0.01% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 134 | $123.6K | 0.01% | −131−49.4% | Reduced |
| Promus Capital, LLC | 136 | $125.2K | 0.08% | 00.0% | Unchanged |
| Park Place Capital Corp | 137 | $126.1K | 0.03% | −47−25.5% | Reduced |
| Aventura Private Wealth, LLC | 142 | $130.7K | 0.05% | +3+2.2% | Added |
| Cromwell Holdings LLC | 143 | $131.9K | 0.07% | +12+9.2% | Added |
| Zions Bancorporation, National Association | 145 | $133.5K | 0.01% | +51+54.3% | Added |
| Capital Analysts, LLC | 146 | $134.0K | 0.00% | 00.0% | Unchanged |
| Reyes Financial Architecture, Inc. | 150 | $138.1K | 0.09% | −75−33.3% | Reduced |
| Ofi Invest Asset Management | 178 | $139.5K | 0.00% | +178 | New |
| Rothschild Investment LLC | 156 | $143.6K | 0.01% | +2+1.3% | Added |
| TD Waterhouse Canada Inc. | 162 | $148.2K | 0.00% | −2−1.2% | Reduced |
| Ninepoint Partners LP | 162 | $149.1K | 0.02% | +162 | New |
| YANKCOM Partnership | 165 | $151.9K | 0.07% | +2+1.2% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 168 | $154.0K | 0.00% | +168 | New |
| LRI Investments, LLC | 188 | $173.1K | 0.01% | 00.0% | Unchanged |
| Montag A & Associates Inc | 189 | $174.3K | 0.01% | −161−46.0% | Reduced |
| Silver Oak Securities, Inc | 197 | $181.4K | 0.01% | +197 | New |
| Firsthand Capital Management, Inc. | 200 | $184.1K | 0.31% | +200 | New |
| St Germain D J Co Inc | 201 | $185.0K | 0.01% | −29−12.6% | Reduced |
| Drive Wealth Management, LLC | 218 | $200.8K | 0.04% | +218 | New |
| Jacobi Capital Management LLC | 218 | $201.1K | 0.01% | +218 | New |
| CVA Family Office, LLC | 219 | $201.6K | 0.03% | +1+0.5% | Added |
| Purkiss Capital Advisors LLC | 219 | $201.6K | 0.10% | +219 | New |
| Childress Capital Advisors, LLC | 220 | $202.4K | 0.04% | +220 | New |
| CWA Asset Management Group, LLC | 220 | $202.5K | 0.01% | +220 | New |
| Autumn Glory Partners, LLC | 223 | $205.3K | 0.08% | +223 | New |
| International Assets Investment Management, LLC | 276 | $206.4K | 0.02% | 00.0% | Unchanged |
| Wall Street Financial Group, Inc. | 225 | $207.1K | 0.15% | +225 | New |
| Wealth Alliance | 227 | $209.2K | 0.02% | +227 | New |
| MCF Advisors LLC | 227 | $209.3K | 0.01% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 227 | $209.4K | 0.00% | +227 | New |