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 |
|---|---|---|---|---|---|
| Louisiana State Employees Retirement System | 5,600 | $5.08M | 0.09% | +3,100+124.0% | Added |
| Mitchell Capital Management Co | 5,547 | $5.03M | 0.90% | −20.0% | Reduced |
| Rathbone Brothers plc | 5,535 | $5.02M | 0.02% | −140−2.5% | Reduced |
| KP Management LLC | 5,500 | $4.98M | 1.55% | +1,000+22.2% | Added |
| Oregon Public Employees Retirement Fund | 5,475 | $4.96M | 0.06% | 00.0% | Unchanged |
| Truist Financial Corp | 5,335 | $4.84M | 0.01% | −446−7.7% | Reduced |
| Andra AP-fonden | 5,300 | $4.80M | 0.06% | −42,819−89.0% | Reduced |
| Kornitzer Capital Management Inc | 5,227 | $4.74M | 0.10% | 00.0% | Unchanged |
| MML Investors Services, LLC | 5,197 | $4.71M | 0.01% | −661−11.3% | Reduced |
| State of Alaska, Department of Revenue | 5,167 | $4.68M | 0.05% | +5+0.1% | Added |
| Robeco Institutional Asset Management B.V. | 5,083 | $4.61M | 0.01% | −1,210−19.2% | Reduced |
| OP Asset Management Ltd | 5,067 | $4.59M | 0.06% | +63+1.3% | Added |
| Bahl & Gaynor Inc | 5,042 | $4.57M | 0.02% | −115−2.2% | Reduced |
| Steward Partners Investment Advisory, LLC | 4,995 | $4.53M | 0.02% | +908+22.2% | Added |
| Nordea Investment Management AB | 4,909 | $4.50M | 0.00% | +189+4.0% | Added |
| Janney Montgomery Scott LLC | 4,925 | $4.46M | 0.01% | −15,558−76.0% | Reduced |
| Coldstream Capital Management Inc | 4,867 | $4.41M | 0.06% | −288−5.6% | Reduced |
| Parcion Private Wealth LLC | 4,830 | $4.38M | 0.27% | −159−3.2% | Reduced |
| Azzad Asset Management Inc | 4,814 | $4.36M | 0.43% | −145−2.9% | Reduced |
| Greenup Street Wealth Management LLC | 4,769 | $4.32M | 0.62% | +2,292+92.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 3,726 | $4.26M | 0.01% | +220+6.3% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 4,699 | $4.26M | 0.08% | +522+12.5% | Added |
| Boston Family Office LLC | 4,653 | $4.22M | 0.27% | +1,406+43.3% | Added |
| Davidson Capital Management Inc. | 4,609 | $4.18M | 0.90% | +69+1.5% | Added |
| Private Advisor Group, LLC | 4,607 | $4.18M | 0.02% | −850−15.6% | Reduced |
| Tredje AP-fonden | 4,572 | $4.14M | 0.03% | +29+0.6% | Added |
| Jane Street Group, LLC | 4,487 | $4.07M | 0.00% | −9,901−68.8% | Reduced |
| Coppell Advisory Solutions LLC | 4,397 | $4.06M | 0.41% | +691+18.6% | Added |
| Jump Financial, LLC | 4,445 | $4.03M | 0.05% | +4,445 | New |
| Avanza Fonder AB | 4,413 | $4.00M | 0.10% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 4,394 | $3.98M | 0.00% | +616+16.3% | Added |
| ASR Vermogensbeheer N.V. | 4,389 | $3.98M | 0.05% | −41−0.9% | Reduced |
| NFJ Investment Group, LLC | 4,375 | $3.97M | 0.14% | −3,598−45.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 4,341 | $3.94M | 0.02% | −841−16.2% | Reduced |
| Norinchukin Bank, The | 4,296 | $3.89M | 0.05% | +1,747+68.5% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,274 | $3.87M | 0.01% | −246−5.4% | Reduced |
| Torray LLC | 4,249 | $3.85M | 0.55% | +292+7.4% | Added |
| Linden Thomas Advisory Services, LLC | 4,233 | $3.84M | 0.39% | +29+0.7% | Added |
| Trilogy Capital Inc. | 4,214 | $3.82M | 0.17% | −184−4.2% | Reduced |
| Argent Capital Management LLC | 4,209 | $3.81M | 0.11% | +206+5.1% | Added |
| Investment Management Corp of Ontario | 4,195 | $3.80M | 0.05% | +1,913+83.8% | Added |
| Taylor Frigon Capital Management LLC | 4,096 | $3.71M | 1.88% | −46−1.1% | Reduced |
| Park Avenue Securities LLC | 4,087 | $3.70M | 0.03% | −287−6.6% | Reduced |
| Brasada Capital Management, LP | 3,939 | $3.69M | 0.63% | +3,939 | New |
| Global X Japan Co., Ltd. | 4,006 | $3.63M | 0.28% | +1,259+45.8% | Added |
| 4D Advisors, LLC | 4,000 | $3.63M | 1.99% | −2,500−38.5% | Reduced |
| Wasatch Advisors Inc | 3,931 | $3.56M | 0.02% | −1,482−27.4% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,853 | $3.49M | 0.12% | +418+12.2% | Added |
| GTS Securities LLC | 3,848 | $3.49M | 0.12% | +1,714+80.3% | Added |
| Summit Trail Advisors, LLC | 3,834 | $3.48M | 0.06% | +107+2.9% | Added |
| Teachers Retirement System of the State of Kentucky | 3,806 | $3.45M | 0.03% | 00.0% | Unchanged |
| Pensionmark Financial Group, LLC | 3,787 | $3.43M | 0.06% | −137−3.5% | Reduced |
| Mirabaud Asset Management Ltd | 4,881 | $3.41M | 1.64% | +4,881 | New |
| Thrive Capital Management, LLC | 3,740 | $3.39M | 0.76% | +881+30.8% | Added |
| Greenland Capital Management LP | 3,739 | $3.39M | 0.49% | +3,739 | New |
| Triasima Portfolio Management inc. | 3,697 | $3.35M | 0.50% | +767+26.2% | Added |
| MV Capital Management, Inc. | 3,671 | $3.33M | 0.32% | +35+1.0% | Added |
| Pinkerton Retirement Specialists, LLC | 3,666 | $3.32M | 0.34% | +3,666 | New |
| Redhawk Wealth Advisors, Inc. | 3,600 | $3.26M | 0.37% | −76−2.1% | Reduced |
| Mizuho Securities USA LLC | 3,488 | $3.24M | 0.05% | 00.0% | Unchanged |
| Allstate Corp | 3,556 | $3.22M | 0.04% | +1,830+106.0% | Added |
| Oak Harvest Investment Services | 3,541 | $3.21M | 0.35% | +274+8.4% | Added |
| PFG Advisors | 3,530 | $3.20M | 0.16% | −2,893−45.0% | Reduced |
| Neo Ivy Capital Management | 3,515 | $3.19M | 0.50% | +3,515 | New |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 3,458 | $3.13M | 1.19% | +71+2.1% | Added |
| Leelyn Smith, LLC | 3,419 | $3.10M | 0.45% | +6+0.2% | Added |
| Guidance Capital, Inc | 2,859 | $3.08M | 0.75% | −87−3.0% | Reduced |
| Intrust Bank NA | 3,393 | $3.08M | 0.25% | −21−0.6% | Reduced |
| Evolve Private Wealth, LLC | 3,314 | $3.01M | 0.18% | +3,314 | New |
| Harfst & Associates, Inc. | 3,318 | $3.01M | 0.54% | −121−3.5% | Reduced |
| Paragon Advisors, LLC | 3,296 | $2.99M | 0.81% | +193+6.2% | Added |
| Values First Advisors, Inc. | 3,277 | $2.97M | 1.54% | −80−2.4% | Reduced |
| Polymer Capital Management (HK) LTD | 3,222 | $2.92M | 0.45% | +3,222 | New |
| Cerity Partners LLC | 3,189 | $2.89M | 0.00% | −912−22.2% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 3,184 | $2.89M | 0.10% | +3,184 | New |
| Baker Avenue Asset Management, LP | 3,182 | $2.88M | 0.07% | +2,589+436.6% | Added |
| Modern Wealth Management, LLC | 3,176 | $2.88M | 0.05% | +65+2.1% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,116 | $2.83M | 0.01% | +716+29.8% | Added |
| Advisors Asset Management, Inc. | 3,110 | $2.82M | 0.05% | −1,650−34.7% | Reduced |
| Fideuram Asset Management (Ireland) dac | 4,395 | $2.81M | 0.23% | +4,395 | New |
| First National Advisers, LLC | 3,091 | $2.80M | 0.39% | +28+0.9% | Added |
| Skopos Labs, Inc. | 3,010 | $2.80M | 0.13% | +1,782+145.1% | Added |
| Peak Retirement Planning, Inc. | 3,041 | $2.76M | 0.65% | +464+18.0% | Added |
| First National Bank of Omaha | 3,010 | $2.73M | 0.08% | +223+8.0% | Added |
| GKV Capital Management Co., Inc. | 2,910 | $2.64M | 0.99% | −10−0.3% | Reduced |
| Kentucky Retirement Systems | 2,906 | $2.63M | 0.07% | 00.0% | Unchanged |
| Calamos Advisors LLC | 2,890 | $2.62M | 0.01% | −226−7.3% | Reduced |
| Bridgewater Associates, LP | 2,871 | $2.60M | 0.01% | +2,871 | New |
| Banco Santander, S.A. | 2,852 | $2.58M | 0.02% | +1,960+219.7% | Added |
| Peapack Gladstone Financial Corp | 2,819 | $2.56M | 0.03% | −686−19.6% | Reduced |
| Brinker Capital Investments, LLC | 2,807 | $2.54M | 0.02% | −655−18.9% | Reduced |
| Rockefeller Capital Management L.P. | 2,789 | $2.53M | 0.00% | +470+20.3% | Added |
| Stiles Financial Services Inc | 2,777 | $2.52M | 0.77% | +90+3.3% | Added |
| Hartford Investment Management Co | 2,766 | $2.51M | 0.08% | −37−1.3% | Reduced |
| Merit Financial Group, LLC | 2,757 | $2.50M | 0.02% | +1,786+183.9% | Added |
| M&T Bank Corp | 2,752 | $2.49M | 0.01% | +527+23.7% | Added |
| Atria Investments LLC | 2,716 | $2.46M | 0.03% | −89−3.2% | Reduced |
| Night Squared LP | 2,707 | $2.45M | 0.69% | +2,707 | New |
| Commerce Bank | 2,705 | $2.45M | 0.01% | +39+1.5% | Added |
| Sequoia Financial Advisors, LLC | 2,688 | $2.44M | 0.01% | +278+11.5% | Added |