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, 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 |
|---|---|---|---|---|---|
| Allstate Corp | 3,556 | $3.22M | 0.04% | +1,830+106.0% | Added |
| Mizuho Securities USA LLC | 3,488 | $3.24M | 0.05% | 00.0% | Unchanged |
| Redhawk Wealth Advisors, Inc. | 3,600 | $3.26M | 0.37% | −76−2.1% | Reduced |
| Pinkerton Retirement Specialists, LLC | 3,666 | $3.32M | 0.34% | +3,666 | New |
| MV Capital Management, Inc. | 3,671 | $3.33M | 0.32% | +35+1.0% | Added |
| Triasima Portfolio Management inc. | 3,697 | $3.35M | 0.50% | +767+26.2% | Added |
| Greenland Capital Management LP | 3,739 | $3.39M | 0.49% | +3,739 | New |
| Thrive Capital Management, LLC | 3,740 | $3.39M | 0.76% | +881+30.8% | Added |
| Mirabaud Asset Management Ltd | 4,881 | $3.41M | 1.64% | +4,881 | New |
| Pensionmark Financial Group, LLC | 3,787 | $3.43M | 0.06% | −137−3.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 3,806 | $3.45M | 0.03% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 3,834 | $3.48M | 0.06% | +107+2.9% | Added |
| GTS Securities LLC | 3,848 | $3.49M | 0.12% | +1,714+80.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 3,853 | $3.49M | 0.12% | +418+12.2% | Added |
| Wasatch Advisors Inc | 3,931 | $3.56M | 0.02% | −1,482−27.4% | Reduced |
| 4D Advisors, LLC | 4,000 | $3.63M | 1.99% | −2,500−38.5% | Reduced |
| Global X Japan Co., Ltd. | 4,006 | $3.63M | 0.28% | +1,259+45.8% | Added |
| Brasada Capital Management, LP | 3,939 | $3.69M | 0.63% | +3,939 | New |
| Park Avenue Securities LLC | 4,087 | $3.70M | 0.03% | −287−6.6% | Reduced |
| Taylor Frigon Capital Management LLC | 4,096 | $3.71M | 1.88% | −46−1.1% | Reduced |
| Investment Management Corp of Ontario | 4,195 | $3.80M | 0.05% | +1,913+83.8% | Added |
| Argent Capital Management LLC | 4,209 | $3.81M | 0.11% | +206+5.1% | Added |
| Trilogy Capital Inc. | 4,214 | $3.82M | 0.17% | −184−4.2% | Reduced |
| Linden Thomas Advisory Services, LLC | 4,233 | $3.84M | 0.39% | +29+0.7% | Added |
| Torray LLC | 4,249 | $3.85M | 0.55% | +292+7.4% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,274 | $3.87M | 0.01% | −246−5.4% | Reduced |
| Norinchukin Bank, The | 4,296 | $3.89M | 0.05% | +1,747+68.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 4,341 | $3.94M | 0.02% | −841−16.2% | Reduced |
| NFJ Investment Group, LLC | 4,375 | $3.97M | 0.14% | −3,598−45.1% | Reduced |
| ASR Vermogensbeheer N.V. | 4,389 | $3.98M | 0.05% | −41−0.9% | Reduced |
| HighTower Advisors, LLC | 4,394 | $3.98M | 0.00% | +616+16.3% | Added |
| Avanza Fonder AB | 4,413 | $4.00M | 0.10% | 00.0% | Unchanged |
| Jump Financial, LLC | 4,445 | $4.03M | 0.05% | +4,445 | New |
| Coppell Advisory Solutions LLC | 4,397 | $4.06M | 0.41% | +691+18.6% | Added |
| Jane Street Group, LLC | 4,487 | $4.07M | 0.00% | −9,901−68.8% | Reduced |
| Tredje AP-fonden | 4,572 | $4.14M | 0.03% | +29+0.6% | Added |
| Private Advisor Group, LLC | 4,607 | $4.18M | 0.02% | −850−15.6% | Reduced |
| Davidson Capital Management Inc. | 4,609 | $4.18M | 0.90% | +69+1.5% | Added |
| Boston Family Office LLC | 4,653 | $4.22M | 0.27% | +1,406+43.3% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 4,699 | $4.26M | 0.08% | +522+12.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 3,726 | $4.26M | 0.01% | +220+6.3% | Added |
| Greenup Street Wealth Management LLC | 4,769 | $4.32M | 0.62% | +2,292+92.5% | Added |
| Azzad Asset Management Inc | 4,814 | $4.36M | 0.43% | −145−2.9% | Reduced |
| Parcion Private Wealth LLC | 4,830 | $4.38M | 0.27% | −159−3.2% | Reduced |
| Coldstream Capital Management Inc | 4,867 | $4.41M | 0.06% | −288−5.6% | Reduced |
| Janney Montgomery Scott LLC | 4,925 | $4.46M | 0.01% | −15,558−76.0% | Reduced |
| Nordea Investment Management AB | 4,909 | $4.50M | 0.00% | +189+4.0% | Added |
| Steward Partners Investment Advisory, LLC | 4,995 | $4.53M | 0.02% | +908+22.2% | Added |
| Bahl & Gaynor Inc | 5,042 | $4.57M | 0.02% | −115−2.2% | Reduced |
| OP Asset Management Ltd | 5,067 | $4.59M | 0.06% | +63+1.3% | Added |
| Robeco Institutional Asset Management B.V. | 5,083 | $4.61M | 0.01% | −1,210−19.2% | Reduced |
| State of Alaska, Department of Revenue | 5,167 | $4.68M | 0.05% | +5+0.1% | Added |
| MML Investors Services, LLC | 5,197 | $4.71M | 0.01% | −661−11.3% | Reduced |
| Kornitzer Capital Management Inc | 5,227 | $4.74M | 0.10% | 00.0% | Unchanged |
| Andra AP-fonden | 5,300 | $4.80M | 0.06% | −42,819−89.0% | Reduced |
| Truist Financial Corp | 5,335 | $4.84M | 0.01% | −446−7.7% | Reduced |
| Oregon Public Employees Retirement Fund | 5,475 | $4.96M | 0.06% | 00.0% | Unchanged |
| KP Management LLC | 5,500 | $4.98M | 1.55% | +1,000+22.2% | Added |
| Rathbone Brothers plc | 5,535 | $5.02M | 0.02% | −140−2.5% | Reduced |
| Mitchell Capital Management Co | 5,547 | $5.03M | 0.90% | −20.0% | Reduced |
| Louisiana State Employees Retirement System | 5,600 | $5.08M | 0.09% | +3,100+124.0% | Added |
| Yousif Capital Management, LLC | 4,961 | $5.13M | 0.06% | −301−5.7% | Reduced |
| Eurizon SLJ Capital Ltd | 5,668 | $5.14M | 2.04% | +5,668 | New |
| Knollwood Investment Advisory, LLC | 5,685 | $5.15M | 0.48% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 5,688 | $5.16M | 0.03% | +1,006+21.5% | Added |
| Commonwealth Equity Services, LLC | 5,727 | $5.19M | 0.01% | −1,522−21.0% | Reduced |
| Shelton Capital Management | 5,729 | $5.19M | 0.10% | +5,462+2,045.7% | Added |
| Groupe la Francaise | 5,758 | $5.22M | 0.08% | +1,749+43.6% | Added |
| Verition Fund Management LLC | 5,923 | $5.37M | 0.03% | −1,016−14.6% | Reduced |
| iA Global Asset Management Inc. | 5,956 | $5.40M | 0.07% | +5,356+892.7% | Added |
| Patton Fund Management, Inc. | 6,029 | $5.46M | 0.73% | +5,653+1,503.5% | Added |
| HB Wealth Management, LLC | 6,064 | $5.50M | 0.04% | +81+1.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 6,122 | $5.55M | 0.05% | +2,248+58.0% | Added |
| Raiffeisen Bank International AG | 79,825 | $5.59M | 0.07% | +77,507+3,343.7% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,168 | $5.59M | 0.04% | +86+1.4% | Added |
| Dakota Wealth Management | 6,218 | $5.64M | 0.10% | +2,220+55.5% | Added |
| First Foundation Advisors | 6,379 | $5.78M | 0.22% | −520−7.5% | Reduced |
| First American Trust, FSB | 6,383 | $5.79M | 0.40% | +49+0.8% | Added |
| American Capital Management Inc | 6,488 | $5.88M | 0.26% | −122−1.8% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,537 | $5.92M | 0.02% | +71+1.1% | Added |
| Ethic Inc. | 6,592 | $5.97M | 0.09% | +730+12.5% | Added |
| Saturna Capital CORP | 6,781 | $6.15M | 0.08% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 6,839 | $6.20M | 0.09% | −166−2.4% | Reduced |
| QRG Capital Management, Inc. | 6,875 | $6.23M | 0.07% | +682+11.0% | Added |
| New York Life Investment Management LLC | 6,951 | $6.30M | 0.05% | −25−0.4% | Reduced |
| Mutual of America Capital Management LLC | 6,983 | $6.33M | 0.07% | +909+15.0% | Added |
| CCM Investment Advisers LLC | 7,061 | $6.40M | 0.61% | +2,149+43.8% | Added |
| Profund Advisors LLC | 7,091 | $6.43M | 0.20% | +3,849+118.7% | Added |
| Public Sector Pension Investment Board | 7,095 | $6.43M | 0.02% | −27,492−79.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,097 | $6.43M | 0.05% | −346−4.6% | Reduced |
| Midwest Trust Co | 7,206 | $6.53M | 0.08% | +75+1.1% | Added |
| Janus Henderson Group PLC | 7,246 | $6.57M | 0.00% | −120,492−94.3% | Reduced |
| Level Four Advisory Services, LLC | 7,302 | $6.62M | 0.22% | −2,084−22.2% | Reduced |
| Comerica Bank | 7,317 | $6.63M | 0.03% | −3,589−32.9% | Reduced |
| Atlantic Union Bankshares Corp | 7,339 | $6.65M | 0.12% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 7,347 | $6.77M | 0.01% | +443+6.4% | Added |
| Freestone Grove Partners LP | 7,529 | $6.82M | 0.05% | +7,529 | New |
| Utah Retirement Systems | 7,639 | $6.92M | 0.07% | 00.0% | Unchanged |
| Wealthfront Advisers LLC | 7,673 | $6.95M | 0.02% | +2,119+38.2% | Added |
| Benjamin Edwards Inc | 7,772 | $7.04M | 0.08% | +7,772 | New |