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 |
|---|---|---|---|---|---|
| M&T Bank Corp | 2,225 | $2.05M | 0.01% | −439−16.5% | Reduced |
| Liontrust Investment Partners LLP | 2,209 | $2.03M | 0.03% | −68−3.0% | Reduced |
| New Mexico Educational Retirement Board | 2,200 | $2.02M | 0.06% | −100−4.3% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,194 | $2.02M | 0.00% | +1,079+96.8% | Added |
| Penserra Capital Management LLC | 2,191 | $2.02M | 0.02% | +1,031+88.9% | Added |
| Generali Investments, Management Co LLC | 2,174 | $2.00M | 0.42% | +1,313+152.5% | Added |
| Jones Financial Companies LLLP | 2,231 | $1.98M | 0.00% | +269+13.7% | Added |
| Regions Financial Corp | 2,144 | $1.97M | 0.01% | −85−3.8% | Reduced |
| GTS Securities LLC | 2,134 | $1.96M | 0.08% | +1,683+373.2% | Added |
| Metis Global Partners, LLC | 2,121 | $1.95M | 0.05% | −106−4.8% | Reduced |
| Confluence Wealth Services, Inc. | 2,097 | $1.93M | 0.10% | +30+1.5% | Added |
| RDA Financial Network | 2,090 | $1.92M | 0.47% | +2,090 | New |
| Pinebridge Investments, L.P. | 2,083 | $1.92M | 0.01% | −2,419−53.7% | Reduced |
| E. Ohman J:or Asset Management AB | 2,050 | $1.89M | 0.04% | 00.0% | Unchanged |
| 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 |
| Perpetual Ltd | 1,967 | $1.81M | 0.02% | −3,594−64.6% | Reduced |
| Marshall Financial Group LLC | 1,964 | $1.81M | 0.35% | +27+1.4% | Added |
| Kestra Advisory Services, LLC | 1,960 | $1.80M | 0.01% | −607−23.6% | Reduced |
| NEOS Investment Management LLC | 1,942 | $1.79M | 0.01% | +1,282+194.2% | Added |
| Lido Advisors, LLC | 1,933 | $1.78M | 0.01% | +649+50.5% | Added |
| Lifestyle Asset Management, Inc. | 1,917 | $1.77M | 0.60% | +231+13.7% | Added |
| Cim, LLC | 1,910 | $1.76M | 0.23% | +9+0.5% | Added |
| Integrated Wealth Concepts LLC | 1,905 | $1.75M | 0.02% | +323+20.4% | Added |
| GAMMA Investing LLC | 1,869 | $1.72M | 0.09% | +134+7.7% | Added |
| CAPROCK Group, Inc. | 2,013 | $1.68M | 0.04% | +2,013 | New |
| CWM, LLC | 1,793 | $1.65M | 0.00% | +61+3.5% | Added |
| VestGen Advisors, LLC | 1,789 | $1.65M | 0.05% | −270−13.1% | Reduced |
| GLOBALT Investments LLC | 1,755 | $1.62M | 0.06% | −8−0.5% | Reduced |
| Keybank National Association | 1,749 | $1.61M | 0.01% | −96−5.2% | Reduced |
| DSG Capital Advisors, LLC | 1,749 | $1.61M | 0.26% | −191−9.8% | Reduced |
| Allstate Corp | 1,726 | $1.59M | 0.04% | +1,726 | New |
| Groupama Asset Managment | 1,716 | $1.58M | 0.02% | −1,662−49.2% | Reduced |
| Horizon Investments, LLC | 1,706 | $1.57M | 0.02% | +171+11.1% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 1,705 | $1.56M | 0.01% | +281+19.7% | Added |
| Empirical Asset Management, LLC | 1,692 | $1.56M | 0.43% | +1,692 | New |
| Everence Capital Management Inc | 1,690 | $1.56M | 0.09% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 1,683 | $1.55M | 0.06% | +25+1.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 1,678 | $1.54M | 0.01% | 00.0% | Unchanged |
| Diversify Advisory Services, LLC | 1,529 | $1.53M | 0.05% | +513+50.5% | Added |
| Meiji Yasuda Life Insurance Co | 1,661 | $1.53M | 0.04% | +291+21.2% | Added |
| Kovitz Investment Group Partners, LLC | 1,636 | $1.51M | 0.01% | −3−0.2% | Reduced |
| Exchange Traded Concepts, LLC | 1,628 | $1.50M | 0.01% | +486+42.6% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 1,625 | $1.50M | 0.04% | 00.0% | Unchanged |
| Westerkirk Capital Inc. | 1,608 | $1.48M | 0.17% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 1,606 | $1.48M | 0.00% | +667+71.0% | Added |
| Optimize Financial Inc | 1,595 | $1.47M | 0.76% | +1,595 | New |
| AIA Group Ltd | 1,585 | $1.46M | 0.03% | +1,585 | New |
| Norden Group LLC | 1,585 | $1.46M | 0.15% | +83+5.5% | Added |
| Jacksonville Wealth Management, LLC | 1,580 | $1.45M | 1.07% | −26−1.6% | Reduced |
| Winton Group Ltd | 1,575 | $1.45M | 0.05% | +1,575 | New |
| AG2R la Mondiale Gestion D'Actifs | 1,975 | $1.44M | 0.07% | 00.0% | Unchanged |
| WBI Investments | 1,567 | $1.44M | 0.37% | +1,567 | New |
| Snowden Capital Advisors LLC | 1,558 | $1.44M | 0.04% | +6+0.4% | Added |
| Bouvel Investment Partners, LLC | 1,556 | $1.43M | 0.44% | +33+2.2% | Added |
| Northwestern Mutual Investment Management Company, LLC | 1,526 | $1.40M | 0.02% | −1−0.1% | Reduced |
| TD Private Client Wealth LLC | 1,523 | $1.40M | 0.03% | −238−13.5% | Reduced |
| FourThought Financial Partners, LLC | 1,479 | $1.36M | 0.12% | −25−1.7% | Reduced |
| APG Asset Management US Inc. | 1,473 | $1.35M | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,454 | $1.34M | 0.00% | −3,973−73.2% | Reduced |
| Sheets Smith Investment Management | 1,451 | $1.34M | 0.87% | +1,451 | New |
| Westover Capital Advisors, LLC | 1,419 | $1.31M | 0.24% | −24−1.7% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,408 | $1.30M | 0.00% | +1,408 | New |
| Empirical Finance, LLC | 1,407 | $1.30M | 0.06% | +16+1.2% | Added |
| Summit Place Financial Advisors, LLC | 1,406 | $1.29M | 0.61% | +2+0.1% | Added |
| Quadrant Capital Group LLC | 1,403 | $1.29M | 0.04% | +5+0.4% | Added |
| Plato Investment Management Ltd | 1,405 | $1.28M | 0.09% | −297−17.5% | Reduced |
| Novem Group | 1,357 | $1.25M | 0.15% | +35+2.6% | Added |
| HighPoint Advisor Group LLC | 1,349 | $1.24M | 0.06% | −57−4.1% | Reduced |
| Qtron Investments LLC | 1,343 | $1.24M | 0.15% | 00.0% | Unchanged |
| David Loasby | 1,296 | $1.23M | 0.10% | +73+6.0% | Added |
| Emerald Advisers, LLC | 1,331 | $1.23M | 0.04% | −195−12.8% | Reduced |
| Boomfish Wealth Group, LLC | 1,328 | $1.22M | 0.66% | +116+9.6% | Added |
| Icon Wealth Advisors, LLC | 1,306 | $1.20M | 0.08% | −44−3.3% | Reduced |
| United Asset Strategies, Inc. | 1,301 | $1.20M | 0.10% | −62−4.5% | Reduced |
| MUFG Securities Americas Inc. | 1,292 | $1.19M | 0.08% | +231+21.8% | Added |
| NVWM, LLC | 1,287 | $1.18M | 0.27% | −12−0.9% | Reduced |
| Tema ETFs LLC | 1,285 | $1.18M | 0.10% | +1,285 | New |
| Baader Bank INC | 1,283 | $1.18M | 0.10% | +1,283 | New |
| Ellevest, Inc. | 1,280 | $1.18M | 0.17% | −231−15.3% | Reduced |
| Squarepoint Ops LLC | 1,277 | $1.18M | 0.00% | −24−1.8% | Reduced |
| Walleye Trading LLC | 1,271 | $1.17M | 0.02% | +1,162+1,066.1% | Added |
| Wahed Invest LLC | 1,264 | $1.16M | 0.16% | +6+0.5% | Added |
| Great Lakes Advisors, LLC | 1,258 | $1.16M | 0.01% | −116−8.4% | Reduced |
| BankPlus Trust Department | 1,252 | $1.15M | 0.31% | −2−0.2% | Reduced |
| Peterson Wealth Services | 8,075 | $1.15M | 0.28% | +6,836+551.7% | Added |
| National Wealth Management Group, LLC | 1,244 | $1.15M | 0.43% | −48−3.7% | Reduced |
| RSM US Wealth Management LLC | 1,230 | $1.13M | 0.01% | +14+1.2% | Added |
| J. Safra Sarasin Holding AG | 1,227 | $1.13M | 0.02% | +351+40.1% | Added |
| Catalytic Wealth RIA, LLC | 1,223 | $1.13M | 0.04% | +509+71.3% | Added |
| Central Pacific Bank - Trust Division | 1,219 | $1.12M | 0.14% | +140+13.0% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 1,218 | $1.12M | 0.07% | −59−4.6% | Reduced |
| AE Wealth Management LLC | 1,217 | $1.12M | 0.01% | +1,217 | New |
| XML Financial, LLC | 1,211 | $1.11M | 0.09% | +295+32.2% | Added |
| Prelude Capital Management, LLC | 1,210 | $1.11M | 0.09% | −1,996−62.3% | Reduced |
| Evergreen Capital Management LLC | 1,204 | $1.11M | 0.03% | +64+5.6% | Added |
| Liberty Capital Management, Inc. | 1,182 | $1.09M | 0.20% | +767+184.8% | Added |
| Callan Family Office, LLC | 1,178 | $1.08M | 0.03% | −113−8.8% | Reduced |
| Meeder Advisory Services, Inc. | 1,168 | $1.08M | 0.05% | +7+0.6% | Added |
| Warren Averett Asset Management, LLC | 1,168 | $1.07M | 0.01% | +15+1.3% | Added |