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 |
|---|---|---|---|---|---|
| North Dakota State Investment Board | 1,586 | $1.44M | 0.05% | +1,586 | New |
| Optimize Financial Inc | 1,615 | $1.46M | 0.74% | +20+1.3% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 1,625 | $1.47M | 0.04% | 00.0% | Unchanged |
| E. Ohman J:or Asset Management AB | 1,647 | $1.49M | 0.03% | −403−19.7% | Reduced |
| Groupama Asset Managment | 1,658 | $1.50M | 0.02% | −58−3.4% | Reduced |
| GLOBALT Investments LLC | 1,665 | $1.51M | 0.06% | −90−5.1% | Reduced |
| DSG Capital Advisors, LLC | 1,497 | $1.51M | 0.23% | −252−14.4% | Reduced |
| Icon Wealth Advisors, LLC | 1,671 | $1.51M | 0.10% | +365+27.9% | Added |
| Everence Capital Management Inc | 1,690 | $1.53M | 0.09% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 1,723 | $1.56M | 0.02% | −2,575−59.9% | Reduced |
| Whalen Wealth Management Inc. | 1,731 | $1.57M | 0.84% | +951+121.9% | Added |
| Regions Financial Corp | 1,745 | $1.58M | 0.01% | −399−18.6% | Reduced |
| Virtus Investment Advisers, Inc. | 1,755 | $1.59M | 0.43% | +1,755 | New |
| Keybank National Association | 1,771 | $1.61M | 0.01% | +22+1.3% | Added |
| Banque Cantonale Vaudoise | 1,772 | $1.61M | 0.06% | −1,202−40.4% | Reduced |
| Empirical Asset Management, LLC | 1,777 | $1.61M | 0.45% | +85+5.0% | Added |
| Catalyst Capital Advisors LLC | 1,800 | $1.63M | 0.03% | +1,800 | New |
| Two Sigma Securities, LLC | 1,884 | $1.71M | 0.23% | +1,884 | New |
| Oppenheimer Asset Management Inc. | 1,884 | $1.71M | 0.02% | −152−7.5% | Reduced |
| Tokio Marine Asset Management Co Ltd | 1,897 | $1.72M | 0.06% | +214+12.7% | Added |
| Worthington Financial Partners, LLC | 1,902 | $1.72M | 1.53% | +1,902 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,904 | $1.73M | 0.01% | +199+11.7% | Added |
| Confluence Wealth Services, Inc. | 1,915 | $1.74M | 0.07% | −182−8.7% | Reduced |
| Kestra Advisory Services, LLC | 1,929 | $1.75M | 0.01% | −31−1.6% | Reduced |
| Cim, LLC | 1,939 | $1.76M | 0.23% | +29+1.5% | Added |
| CWM, LLC | 1,960 | $1.78M | 0.00% | +167+9.3% | Added |
| Lido Advisors, LLC | 1,939 | $1.78M | 0.01% | +6+0.3% | Added |
| GAMMA Investing LLC | 1,969 | $1.78M | 0.09% | +100+5.4% | Added |
| Diversify Advisory Services, LLC | 1,741 | $1.80M | 0.06% | +212+13.9% | Added |
| Lifestyle Asset Management, Inc. | 1,997 | $1.81M | 0.59% | +80+4.2% | Added |
| Omers Administration Corp | 2,015 | $1.83M | 0.01% | −1,000−33.2% | Reduced |
| XTX Topco Ltd | 2,025 | $1.84M | 0.05% | +2,025 | New |
| Mirova | 2,046 | $1.85M | 0.27% | −1,009−33.0% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 2,059 | $1.87M | 0.08% | +84+4.3% | Added |
| Change Path, LLC | 2,072 | $1.88M | 0.05% | −168−7.5% | Reduced |
| Callan Family Office, LLC | 2,112 | $1.91M | 0.04% | +934+79.3% | Added |
| Sherman Porfolios, LLC | 2,145 | $1.94M | 0.13% | +2,145 | New |
| Bouvel Investment Partners, LLC | 2,146 | $1.95M | 0.56% | +590+37.9% | Added |
| Ameritas Investment Partners, Inc. | 2,195 | $1.99M | 0.06% | +1,732+374.1% | Added |
| New Mexico Educational Retirement Board | 2,200 | $1.99M | 0.06% | 00.0% | Unchanged |
| Prudential PLC | 2,217 | $2.01M | 0.02% | −784−26.1% | Reduced |
| Abn Amro Investment Solutions | 2,231 | $2.02M | 0.03% | +1,720+336.6% | Added |
| CAPROCK Group, Inc. | 2,237 | $2.03M | 0.04% | +224+11.1% | Added |
| BLI - Banque de Luxembourg Investments | 2,200 | $2.03M | 0.06% | +2,200 | New |
| Valley National Advisers Inc | 2,301 | $2.08M | 0.29% | +6+0.3% | Added |
| Northwestern Mutual Wealth Management Co | 2,305 | $2.09M | 0.00% | +111+5.1% | Added |
| Maryland State Retirement & Pension System | 2,308 | $2.09M | 0.04% | 00.0% | Unchanged |
| RFG Advisory, LLC | 2,374 | $2.15M | 0.04% | −416−14.9% | Reduced |
| Jones Financial Companies LLLP | 2,414 | $2.19M | 0.00% | +183+8.2% | Added |
| La Banque Postale Asset Management SA | 2,423 | $2.20M | 0.03% | −352−12.7% | Reduced |
| Gulf International Bank (UK) Ltd | 2,446 | $2.22M | 0.07% | −3−0.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 2,448 | $2.22M | 0.02% | +770+45.9% | Added |
| Metis Global Partners, LLC | 2,448 | $2.22M | 0.05% | +327+15.4% | Added |
| Sirios Capital Management L P | 2,464 | $2.23M | 0.28% | −181−6.8% | Reduced |
| Osmosis Investment Management UK Ltd | 2,473 | $2.24M | 0.06% | +2,473 | New |
| United Capital Financial Advisers, LLC | 2,491 | $2.26M | 0.01% | +266+12.0% | Added |
| Westerkirk Capital Inc. | 2,544 | $2.31M | 0.22% | +936+58.2% | Added |
| Sunpointe, LLC | 2,587 | $2.35M | 0.78% | −75−2.8% | Reduced |
| Ketron Financial | 2,616 | $2.37M | 0.79% | +2,616 | New |
| Woodline Partners LP | 2,640 | $2.39M | 0.01% | +2,640 | New |
| Mariner, LLC | 2,676 | $2.43M | 0.00% | −8,185−75.4% | Reduced |
| Sequoia Financial Advisors, LLC | 2,688 | $2.44M | 0.01% | +278+11.5% | Added |
| Commerce Bank | 2,705 | $2.45M | 0.01% | +39+1.5% | Added |
| Night Squared LP | 2,707 | $2.45M | 0.69% | +2,707 | New |
| Atria Investments LLC | 2,716 | $2.46M | 0.03% | −89−3.2% | Reduced |
| M&T Bank Corp | 2,752 | $2.49M | 0.01% | +527+23.7% | Added |
| Merit Financial Group, LLC | 2,757 | $2.50M | 0.02% | +1,786+183.9% | Added |
| Hartford Investment Management Co | 2,766 | $2.51M | 0.08% | −37−1.3% | Reduced |
| Stiles Financial Services Inc | 2,777 | $2.52M | 0.77% | +90+3.3% | Added |
| Rockefeller Capital Management L.P. | 2,789 | $2.53M | 0.00% | +470+20.3% | Added |
| Brinker Capital Investments, LLC | 2,807 | $2.54M | 0.02% | −655−18.9% | Reduced |
| Peapack Gladstone Financial Corp | 2,819 | $2.56M | 0.03% | −686−19.6% | Reduced |
| Banco Santander, S.A. | 2,852 | $2.58M | 0.02% | +1,960+219.7% | Added |
| Bridgewater Associates, LP | 2,871 | $2.60M | 0.01% | +2,871 | New |
| Calamos Advisors LLC | 2,890 | $2.62M | 0.01% | −226−7.3% | Reduced |
| Kentucky Retirement Systems | 2,906 | $2.63M | 0.07% | 00.0% | Unchanged |
| GKV Capital Management Co., Inc. | 2,910 | $2.64M | 0.99% | −10−0.3% | Reduced |
| First National Bank of Omaha | 3,010 | $2.73M | 0.08% | +223+8.0% | Added |
| Peak Retirement Planning, Inc. | 3,041 | $2.76M | 0.65% | +464+18.0% | Added |
| Skopos Labs, Inc. | 3,010 | $2.80M | 0.13% | +1,782+145.1% | Added |
| First National Advisers, LLC | 3,091 | $2.80M | 0.39% | +28+0.9% | Added |
| Fideuram Asset Management (Ireland) dac | 4,395 | $2.81M | 0.23% | +4,395 | New |
| Advisors Asset Management, Inc. | 3,110 | $2.82M | 0.05% | −1,650−34.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,116 | $2.83M | 0.01% | +716+29.8% | Added |
| Modern Wealth Management, LLC | 3,176 | $2.88M | 0.05% | +65+2.1% | Added |
| Baker Avenue Asset Management, LP | 3,182 | $2.88M | 0.07% | +2,589+436.6% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 3,184 | $2.89M | 0.10% | +3,184 | New |
| Cerity Partners LLC | 3,189 | $2.89M | 0.00% | −912−22.2% | Reduced |
| Polymer Capital Management (HK) LTD | 3,222 | $2.92M | 0.45% | +3,222 | New |
| Values First Advisors, Inc. | 3,277 | $2.97M | 1.54% | −80−2.4% | Reduced |
| Paragon Advisors, LLC | 3,296 | $2.99M | 0.81% | +193+6.2% | Added |
| Harfst & Associates, Inc. | 3,318 | $3.01M | 0.54% | −121−3.5% | Reduced |
| Evolve Private Wealth, LLC | 3,314 | $3.01M | 0.18% | +3,314 | New |
| Intrust Bank NA | 3,393 | $3.08M | 0.25% | −21−0.6% | Reduced |
| Guidance Capital, Inc | 2,859 | $3.08M | 0.75% | −87−3.0% | Reduced |
| Leelyn Smith, LLC | 3,419 | $3.10M | 0.45% | +6+0.2% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 3,458 | $3.13M | 1.19% | +71+2.1% | Added |
| Neo Ivy Capital Management | 3,515 | $3.19M | 0.50% | +3,515 | New |
| PFG Advisors | 3,530 | $3.20M | 0.16% | −2,893−45.0% | Reduced |
| Oak Harvest Investment Services | 3,541 | $3.21M | 0.35% | +274+8.4% | Added |