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 |
|---|---|---|---|---|---|
| Squarepoint Ops LLC | 1,277 | $1.18M | 0.00% | −24−1.8% | Reduced |
| Ellevest, Inc. | 1,280 | $1.18M | 0.17% | −231−15.3% | Reduced |
| Baader Bank INC | 1,283 | $1.18M | 0.10% | +1,283 | New |
| Tema ETFs LLC | 1,285 | $1.18M | 0.10% | +1,285 | New |
| NVWM, LLC | 1,287 | $1.18M | 0.27% | −12−0.9% | Reduced |
| MUFG Securities Americas Inc. | 1,292 | $1.19M | 0.08% | +231+21.8% | Added |
| United Asset Strategies, Inc. | 1,301 | $1.20M | 0.10% | −62−4.5% | Reduced |
| Icon Wealth Advisors, LLC | 1,306 | $1.20M | 0.08% | −44−3.3% | Reduced |
| Boomfish Wealth Group, LLC | 1,328 | $1.22M | 0.66% | +116+9.6% | Added |
| Emerald Advisers, LLC | 1,331 | $1.23M | 0.04% | −195−12.8% | Reduced |
| David Loasby | 1,296 | $1.23M | 0.10% | +73+6.0% | Added |
| Qtron Investments LLC | 1,343 | $1.24M | 0.15% | 00.0% | Unchanged |
| HighPoint Advisor Group LLC | 1,349 | $1.24M | 0.06% | −57−4.1% | Reduced |
| Novem Group | 1,357 | $1.25M | 0.15% | +35+2.6% | Added |
| Plato Investment Management Ltd | 1,405 | $1.28M | 0.09% | −297−17.5% | Reduced |
| Quadrant Capital Group LLC | 1,403 | $1.29M | 0.04% | +5+0.4% | Added |
| Summit Place Financial Advisors, LLC | 1,406 | $1.29M | 0.61% | +2+0.1% | Added |
| Empirical Finance, LLC | 1,407 | $1.30M | 0.06% | +16+1.2% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,408 | $1.30M | 0.00% | +1,408 | New |
| Westover Capital Advisors, LLC | 1,419 | $1.31M | 0.24% | −24−1.7% | Reduced |
| Sheets Smith Investment Management | 1,451 | $1.34M | 0.87% | +1,451 | New |
| D. E. Shaw & Co., Inc. | 1,454 | $1.34M | 0.00% | −3,973−73.2% | Reduced |
| APG Asset Management US Inc. | 1,473 | $1.35M | 0.01% | 00.0% | Unchanged |
| FourThought Financial Partners, LLC | 1,479 | $1.36M | 0.12% | −25−1.7% | Reduced |
| TD Private Client Wealth LLC | 1,523 | $1.40M | 0.03% | −238−13.5% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 1,526 | $1.40M | 0.02% | −1−0.1% | Reduced |
| Bouvel Investment Partners, LLC | 1,556 | $1.43M | 0.44% | +33+2.2% | Added |
| Snowden Capital Advisors LLC | 1,558 | $1.44M | 0.04% | +6+0.4% | Added |
| WBI Investments | 1,567 | $1.44M | 0.37% | +1,567 | New |
| AG2R la Mondiale Gestion D'Actifs | 1,975 | $1.44M | 0.07% | 00.0% | Unchanged |
| Winton Group Ltd | 1,575 | $1.45M | 0.05% | +1,575 | New |
| Jacksonville Wealth Management, LLC | 1,580 | $1.45M | 1.07% | −26−1.6% | Reduced |
| Norden Group LLC | 1,585 | $1.46M | 0.15% | +83+5.5% | Added |
| AIA Group Ltd | 1,585 | $1.46M | 0.03% | +1,585 | New |
| Optimize Financial Inc | 1,595 | $1.47M | 0.76% | +1,595 | New |
| Assenagon Asset Management S.A. | 1,606 | $1.48M | 0.00% | +667+71.0% | Added |
| Westerkirk Capital Inc. | 1,608 | $1.48M | 0.17% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 1,625 | $1.50M | 0.04% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,628 | $1.50M | 0.01% | +486+42.6% | Added |
| Kovitz Investment Group Partners, LLC | 1,636 | $1.51M | 0.01% | −3−0.2% | Reduced |
| Meiji Yasuda Life Insurance Co | 1,661 | $1.53M | 0.04% | +291+21.2% | Added |
| Diversify Advisory Services, LLC | 1,529 | $1.53M | 0.05% | +513+50.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 1,678 | $1.54M | 0.01% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 1,683 | $1.55M | 0.06% | +25+1.5% | Added |
| Everence Capital Management Inc | 1,690 | $1.56M | 0.09% | 00.0% | Unchanged |
| Empirical Asset Management, LLC | 1,692 | $1.56M | 0.43% | +1,692 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,705 | $1.56M | 0.01% | +281+19.7% | Added |
| Horizon Investments, LLC | 1,706 | $1.57M | 0.02% | +171+11.1% | Added |
| Groupama Asset Managment | 1,716 | $1.58M | 0.02% | −1,662−49.2% | Reduced |
| Allstate Corp | 1,726 | $1.59M | 0.04% | +1,726 | New |
| DSG Capital Advisors, LLC | 1,749 | $1.61M | 0.26% | −191−9.8% | Reduced |
| Keybank National Association | 1,749 | $1.61M | 0.01% | −96−5.2% | Reduced |
| GLOBALT Investments LLC | 1,755 | $1.62M | 0.06% | −8−0.5% | Reduced |
| VestGen Advisors, LLC | 1,789 | $1.65M | 0.05% | −270−13.1% | Reduced |
| CWM, LLC | 1,793 | $1.65M | 0.00% | +61+3.5% | Added |
| CAPROCK Group, Inc. | 2,013 | $1.68M | 0.04% | +2,013 | New |
| GAMMA Investing LLC | 1,869 | $1.72M | 0.09% | +134+7.7% | Added |
| Integrated Wealth Concepts LLC | 1,905 | $1.75M | 0.02% | +323+20.4% | Added |
| Cim, LLC | 1,910 | $1.76M | 0.23% | +9+0.5% | Added |
| Lifestyle Asset Management, Inc. | 1,917 | $1.77M | 0.60% | +231+13.7% | Added |
| Lido Advisors, LLC | 1,933 | $1.78M | 0.01% | +649+50.5% | Added |
| NEOS Investment Management LLC | 1,942 | $1.79M | 0.01% | +1,282+194.2% | Added |
| Kestra Advisory Services, LLC | 1,960 | $1.80M | 0.01% | −607−23.6% | Reduced |
| Marshall Financial Group LLC | 1,964 | $1.81M | 0.35% | +27+1.4% | Added |
| Perpetual Ltd | 1,967 | $1.81M | 0.02% | −3,594−64.6% | Reduced |
| Oppenheimer Asset Management Inc. | 2,036 | $1.87M | 0.02% | −93−4.4% | Reduced |
| Moody National Bank Trust Division | 2,036 | $1.87M | 0.16% | +124+6.5% | Added |
| E. Ohman J:or Asset Management AB | 2,050 | $1.89M | 0.04% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 2,083 | $1.92M | 0.01% | −2,419−53.7% | Reduced |
| RDA Financial Network | 2,090 | $1.92M | 0.47% | +2,090 | New |
| Confluence Wealth Services, Inc. | 2,097 | $1.93M | 0.10% | +30+1.5% | Added |
| Metis Global Partners, LLC | 2,121 | $1.95M | 0.05% | −106−4.8% | Reduced |
| GTS Securities LLC | 2,134 | $1.96M | 0.08% | +1,683+373.2% | Added |
| Regions Financial Corp | 2,144 | $1.97M | 0.01% | −85−3.8% | Reduced |
| Jones Financial Companies LLLP | 2,231 | $1.98M | 0.00% | +269+13.7% | Added |
| Generali Investments, Management Co LLC | 2,174 | $2.00M | 0.42% | +1,313+152.5% | Added |
| Penserra Capital Management LLC | 2,191 | $2.02M | 0.02% | +1,031+88.9% | Added |
| Northwestern Mutual Wealth Management Co | 2,194 | $2.02M | 0.00% | +1,079+96.8% | Added |
| New Mexico Educational Retirement Board | 2,200 | $2.02M | 0.06% | −100−4.3% | Reduced |
| Liontrust Investment Partners LLP | 2,209 | $2.03M | 0.03% | −68−3.0% | Reduced |
| M&T Bank Corp | 2,225 | $2.05M | 0.01% | −439−16.5% | Reduced |
| United Capital Financial Advisers, LLC | 2,225 | $2.05M | 0.01% | +991+80.3% | Added |
| Raiffeisen Bank International AG | 2,318 | $2.06M | 0.03% | +1,160+100.2% | Added |
| Change Path, LLC | 2,240 | $2.06M | 0.05% | −1,108−33.1% | Reduced |
| Jefferies Financial Group Inc. | 2,246 | $2.07M | 0.02% | +2,246 | New |
| Ossiam | 2,250 | $2.07M | 0.03% | +244+12.2% | Added |
| Boston Partners | 2,251 | $2.07M | 0.00% | −2,408−51.7% | Reduced |
| Investment Management Corp of Ontario | 2,282 | $2.10M | 0.03% | +563+32.8% | Added |
| Valley National Advisers Inc | 2,295 | $2.11M | 0.33% | −17−0.7% | Reduced |
| Maryland State Retirement & Pension System | 2,308 | $2.12M | 0.04% | +113+5.1% | Added |
| Securian Asset Management, Inc | 2,311 | $2.13M | 0.06% | −186−7.4% | Reduced |
| Rockefeller Capital Management L.P. | 2,319 | $2.14M | 0.00% | +2,319 | New |
| Intech Investment Management LLC | 2,336 | $2.15M | 0.02% | −464−16.6% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 2,400 | $2.21M | 0.01% | +195+8.8% | Added |
| Sequoia Financial Advisors, LLC | 2,410 | $2.22M | 0.01% | +22+0.9% | Added |
| Gulf International Bank (UK) Ltd | 2,449 | $2.25M | 0.07% | −23−0.9% | Reduced |
| Greenup Street Wealth Management LLC | 2,477 | $2.28M | 0.35% | −50−2.0% | Reduced |
| Louisiana State Employees Retirement System | 2,500 | $2.30M | 0.04% | 00.0% | Unchanged |
| Norinchukin Bank, The | 2,549 | $2.35M | 0.03% | +60+2.4% | Added |
| Nomura Holdings Inc | 2,563 | $2.36M | 0.01% | +2,060+409.5% | Added |