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, Q4 2025
Institutional positions in Monolithic Power Systems, Inc. as of Dec 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
- 1,061
- +98 vs. Q3 2025
- Shares held
- 48.8M
- +2.18M (+4.7%) vs. Q3 2025
- Total value
- $44.2B
- +$1.40B (+3.3%) vs. Q3 2025
- New holders
- 190
- 383 more added
- Sold out
- 92
- 353 more reduced
18 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCG Advisory Services, LLC | 269 | $243.8K | 0.01% | +33+14.0% | Added |
| Occidental Asset Management, LLC | 266 | $241.1K | 0.03% | +266 | New |
| Graetz Wealth LLC | 265 | $240.5K | 0.22% | +265 | New |
| Checchi Capital Advisers, LLC | 264 | $239.3K | 0.02% | −2−0.8% | Reduced |
| Massmutual Trust Co FSB | 264 | $239.3K | 0.01% | +7+2.7% | Added |
| Gladstone Institutional Advisory LLC | 264 | $239.3K | 0.01% | +10+3.9% | Added |
| OneAscent Financial Services LLC | 263 | $238.7K | 0.02% | +263 | New |
| Fedenia Advisers LLC | 262 | $237.5K | 0.09% | −43−14.1% | Reduced |
| McAdam, LLC | 261 | $236.6K | 0.01% | +261 | New |
| Coyle Financial Counsel LLC | 258 | $233.8K | 0.05% | +258 | New |
| Personal Cfo Solutions, LLC | 257 | $233.0K | 0.04% | −32−11.1% | Reduced |
| Royal Fund Management, LLC | 257 | $232.9K | 0.02% | +257 | New |
| Generali Investments, Management Co LLC | 256 | $232.0K | 0.05% | −1,918−88.2% | Reduced |
| MQS Management LLC | 256 | $232.0K | 0.14% | +256 | New |
| Tradition Wealth Management, LLC | 255 | $231.1K | 0.02% | +2+0.8% | Added |
| Naviter Wealth, LLC | 254 | $230.6K | 0.03% | 00.0% | Unchanged |
| Resonant Capital Advisors, LLC | 253 | $229.7K | 0.01% | +10+4.1% | Added |
| Mount Yale Investment Advisors, LLC | 252 | $229.2K | 0.01% | +252 | New |
| AlTi Global, Inc. | 252 | $228.8K | 0.00% | −4−1.6% | Reduced |
| Hollencrest Capital Management | 245 | $222.1K | 0.01% | +245 | New |
| MCF Advisors LLC | 243 | $220.6K | 0.01% | +16+7.0% | Added |
| Conning Inc. | 243 | $220.2K | 0.01% | +2+0.8% | Added |
| Diversified Enterprises, LLC | 243 | $220.2K | 0.01% | +243 | New |
| Cary Street Partner Investment Advisory LLC | 243 | $220.0K | 0.06% | −55−18.5% | Reduced |
| Fisher Asset Management, LLC | 238 | $216.0K | 0.00% | +238 | New |
| PDS Planning, Inc | 237 | $214.8K | 0.01% | −1−0.4% | Reduced |
| Alliance Wealth Advisors, LLC | 236 | $213.9K | 0.05% | −202−46.1% | Reduced |
| Summit Creek Advisors LLC | 236 | $213.9K | 0.03% | −129−35.3% | Reduced |
| Alpha Family Trust | 235 | $213.0K | 0.10% | 00.0% | Unchanged |
| Catalyst Financial Partners LLC | 235 | $213.0K | 0.02% | +235 | New |
| Ashton Thomas Private Wealth, LLC | 234 | $212.4K | 0.01% | +234 | New |
| Ameritas Advisory Services, LLC | 233 | $211.2K | 0.01% | +212+1,009.5% | Added |
| Wall Street Financial Group, Inc. | 232 | $210.3K | 0.15% | +7+3.1% | Added |
| Leonteq Securities AG | 232 | $210.3K | 0.01% | +135+139.2% | Added |
| L2 Asset Management, LLC | 230 | $208.5K | 0.03% | +230 | New |
| Sunflower Bank, N.A. | 228 | $206.7K | 0.05% | 00.0% | Unchanged |
| Gerber Kawasaki Wealth & Investment Management | 226 | $205.1K | 0.01% | −12−5.0% | Reduced |
| OpenArc Corporate Advisory, LLC | 226 | $204.8K | 0.00% | +226 | New |
| Drive Wealth Management, LLC | 225 | $204.2K | 0.04% | +7+3.2% | Added |
| Alta Advisers Ltd | 225 | $203.9K | 0.07% | −40−15.1% | Reduced |
| 17 Capital Partners, LLC | 224 | $203.0K | 0.11% | +224 | New |
| Savvy Advisors, Inc. | 223 | $202.2K | 0.01% | +223 | New |
| Autumn Glory Partners, LLC | 223 | $202.1K | 0.07% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 223 | $202.1K | 0.01% | +3+1.4% | Added |
| GeoWealth Management, LLC | 222 | $201.3K | 0.01% | +222 | New |
| Sustainable Insight Capital Management, LLC | 222 | $201.2K | 0.07% | −22−9.0% | Reduced |
| May Hill Capital, LLC | 221 | $200.3K | 0.05% | +221 | New |
| CVA Family Office, LLC | 220 | $199.4K | 0.02% | +1+0.5% | Added |
| Virtus ETF Advisers LLC | 217 | $196.7K | 0.09% | +217 | New |
| New Age Alpha Advisors, LLC | 204 | $184.9K | 0.01% | +204 | New |
| Firsthand Capital Management, Inc. | 200 | $181.3K | 0.34% | 00.0% | Unchanged |
| St Germain D J Co Inc | 196 | $177.6K | 0.01% | −5−2.5% | Reduced |
| Ofi Invest Asset Management | 228 | $176.0K | 0.00% | +50+28.1% | Added |
| Pinnacle Wealth Planning Services, Inc. | 192 | $174.0K | 0.02% | +192 | New |
| Walleye Capital LLC | 188 | $170.4K | 0.00% | −4,942−96.3% | Reduced |
| LRI Investments, LLC | 188 | $170.4K | 0.01% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 181 | $164.1K | 0.01% | +36+24.8% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 138 | $161.9K | 0.07% | +138 | New |
| YANKCOM Partnership | 176 | $159.5K | 0.07% | +11+6.7% | Added |
| TD Waterhouse Canada Inc. | 165 | $149.5K | 0.00% | +3+1.9% | Added |
| Rothschild Investment LLC | 157 | $142.4K | 0.01% | +1+0.6% | Added |
| Capital Analysts, LLC | 146 | $133.0K | 0.00% | 00.0% | Unchanged |
| Clear Street Markets LLC | 144 | $130.5K | 0.02% | +61+73.5% | Added |
| Cromwell Holdings LLC | 143 | $129.8K | 0.07% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 142 | $128.7K | 0.05% | 00.0% | Unchanged |
| Park Place Capital Corp | 140 | $126.9K | 0.03% | +3+2.2% | Added |
| Onefund, LLC | 137 | $124.2K | 0.07% | +12+9.6% | Added |
| Basecamp Wealth Advisors LLC | 134 | $121.5K | 0.03% | +134 | New |
| Montag A & Associates Inc | 130 | $118.0K | 0.01% | −59−31.2% | Reduced |
| Trust Co of Vermont | 130 | $117.8K | 0.00% | 00.0% | Unchanged |
| Avalon Trust Co | 125 | $113.3K | 0.01% | −2−1.6% | Reduced |
| Essex Investment Management Co LLC | 120 | $108.8K | 0.02% | 00.0% | Unchanged |
| Elyxium Wealth, LLC | 115 | $104.3K | 0.03% | +115 | New |
| Sentry Investment Management LLC | 114 | $103.0K | 0.07% | 00.0% | Unchanged |
| Quent Capital, LLC | 107 | $97.2K | 0.01% | −10−8.5% | Reduced |
| Reyes Financial Architecture, Inc. | 103 | $93.4K | 0.06% | −47−31.3% | Reduced |
| Principia Wealth Advisory, LLC | 102 | $92.4K | 0.06% | +99+3,300.0% | Added |
| Reflection Asset Management | 102 | $92.4K | 0.07% | +102 | New |
| IFP Advisors, Inc | 99 | $89.7K | 0.00% | +29+41.4% | Added |
| Evelyn Partners Asset Management Ltd | 84 | $76.1K | 0.02% | 00.0% | Unchanged |
| Pension & Wealth Management Advisors, Inc. | 81 | $74.9K | 0.02% | +81 | New |
| SBI Okasan Asset Management Co.Ltd. | 80 | $74.4K | 0.00% | +80 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 82 | $74.3K | 0.02% | −5−5.7% | Reduced |
| First Horizon Corp | 77 | $69.8K | 0.00% | +17+28.3% | Added |
| Harbour Investments, Inc. | 77 | $69.8K | 0.00% | +40+108.1% | Added |
| Private Trust Co NA | 73 | $66.2K | 0.01% | −9−11.0% | Reduced |
| Migdal Insurance & Financial Holdings Ltd. | 72 | $65.0K | 0.00% | −51−41.5% | Reduced |
| Signature Equity Partners, LLC | 70 | $63.5K | 0.04% | +70 | New |
| Bayforest Capital Ltd | 69 | $62.5K | 0.05% | +69 | New |
| Alphadyne Asset Management LP | 67 | $60.7K | 0.01% | +67 | New |
| DV Equities, LLC | 67 | $60.7K | 0.01% | +67 | New |
| Trust Co of Toledo NA | 66 | $59.8K | 0.01% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 64 | $58.0K | 0.01% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 60 | $54.4K | 0.00% | −2−3.2% | Reduced |
| WPG Advisers, LLC | 59 | $53.5K | 0.04% | +18+43.9% | Added |
| Root Financial Partners, LLC | 58 | $52.6K | 0.00% | +12+26.1% | Added |
| Rakuten Securities, Inc. | 58 | $52.6K | 0.02% | +37+176.2% | Added |
| Geneos Wealth Management Inc. | 57 | $51.7K | 0.00% | −1−1.7% | Reduced |
| Cornerstone Planning Group LLC | 44 | $51.1K | 0.01% | −1−2.2% | Reduced |
| Torren Management, LLC | 54 | $49.0K | 0.03% | +54 | New |