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 |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 710 | $653.0K | 0.01% | +370+108.8% | Added |
| Syon Capital LLC | 713 | $656.5K | 0.04% | +157+28.2% | Added |
| MJP Associates Inc | 713 | $656.8K | 0.09% | −112−13.6% | Reduced |
| Burns Matteson Capital Management, LLC | 722 | $664.7K | 0.28% | −15−2.0% | Reduced |
| HMS Capital Management, LLC | 728 | $670.5K | 0.28% | −290−28.5% | Reduced |
| Global Retirement Partners, LLC | 736 | $677.6K | 0.02% | +107+17.0% | Added |
| Fortress Financial Solutions, LLC | 740 | $681.2K | 0.74% | +31+4.4% | Added |
| Left Brain Wealth Management, LLC | 770 | $708.9K | 0.22% | +770 | New |
| Green Alpha Advisors, LLC | 772 | $710.8K | 0.69% | −31−3.9% | Reduced |
| Unique Wealth Strategies, LLC | 775 | $713.8K | 0.28% | −91−10.5% | Reduced |
| Whalen Wealth Management Inc. | 780 | $717.8K | 0.42% | −1,230−61.2% | Reduced |
| Principal Securities, Inc. | 783 | $721.2K | 0.01% | +75+10.6% | Added |
| Siemens Fonds Invest GmbH | 785 | $722.7K | 0.04% | −18−2.2% | Reduced |
| CNB Bank | 793 | $730.1K | 0.30% | −38−4.6% | Reduced |
| Verdence Capital Advisors LLC | 668 | $737.8K | 0.04% | −316−32.1% | Reduced |
| Financial Advisory Corp | 807 | $743.0K | 0.21% | +151+23.0% | Added |
| Vestmark Advisory Solutions, Inc. | 814 | $749.4K | 0.01% | +34+4.4% | Added |
| Bessemer Group Inc | 823 | $757.0K | 0.00% | +35+4.4% | Added |
| Morey & Quinn Wealth Partners, LLC | 830 | $764.1K | 0.56% | −100−10.8% | Reduced |
| Moneta Group Investment Advisors LLC | 831 | $765.2K | 0.01% | +88+11.8% | Added |
| Cannon Advisors, Inc. | 717 | $767.8K | 0.52% | 00.0% | Unchanged |
| Signaturefd, LLC | 836 | $769.8K | 0.01% | +29+3.6% | Added |
| We Are One Seven, LLC | 842 | $775.2K | 0.02% | +191+29.3% | Added |
| Prime Capital Investment Advisors, LLC | 844 | $776.9K | 0.01% | −15−1.7% | Reduced |
| Drake & Associates, LLC | 781 | $781.1K | 0.16% | +781 | New |
| Shaker Investments LLC | 857 | $789.0K | 0.32% | −4−0.5% | Reduced |
| Integrated Advisors Network LLC | 869 | $800.0K | 0.03% | +559+180.3% | Added |
| Huntington National Bank | 875 | $805.6K | 0.00% | +278+46.6% | Added |
| Steel Peak Wealth Management LLC | 877 | $808.8K | 0.03% | −17−1.9% | Reduced |
| NorthRock Partners, LLC | 882 | $812.5K | 0.01% | +120+15.7% | Added |
| Canada Post Corp Registered Pension Plan | 920 | $815.7K | 0.04% | +210+29.6% | Added |
| Banco Santander, S.A. | 892 | $821.2K | 0.01% | −251−22.0% | Reduced |
| Brevan Howard Capital Management LP | 895 | $824.0K | 0.01% | −2,764−75.5% | Reduced |
| Clearstead Advisors, LLC | 900 | $828.6K | 0.01% | −65−6.7% | Reduced |
| Equitable Holdings, Inc. | 901 | $829.5K | 0.01% | +216+31.5% | Added |
| Mather Group, LLC. | 904 | $832.3K | 0.01% | +147+19.4% | Added |
| J2 Capital Management Inc | 910 | $837.8K | 0.63% | +129+16.5% | Added |
| Independent Financial Group, LLC | 911 | $838.7K | 0.02% | +197+27.6% | Added |
| MUFG Securities EMEA plc | 917 | $844.2K | 0.02% | +776+550.4% | Added |
| Ronald Blue Trust, Inc. | 926 | $852.1K | 0.01% | +20+2.2% | Added |
| Brookstone Capital Management | 932 | $857.8K | 0.01% | +932 | New |
| Vestcor Inc | 933 | $859.0K | 0.03% | 00.0% | Unchanged |
| Cidel Asset Management Inc | 935 | $860.8K | 0.05% | −414−30.7% | Reduced |
| Vise Technologies, Inc. | 935 | $861.2K | 0.03% | +28+3.1% | Added |
| First National Bank of Hutchinson | 937 | $862.6K | 0.46% | +937 | New |
| TownSquare Capital, LLC | 938 | $863.6K | 0.13% | −1,001−51.6% | Reduced |
| Virtue Capital Management, LLC | 944 | $868.7K | 0.19% | +368+63.9% | Added |
| Prosperity Financial Group, Inc. | 946 | $870.9K | 0.32% | +67+7.6% | Added |
| Dogwood Wealth Management LLC | 950 | $874.6K | 0.40% | +947+31,566.7% | Added |
| Advisory Services Network, LLC | 967 | $890.1K | 0.01% | +127+15.1% | Added |
| American Trust | 967 | $890.3K | 0.08% | +585+153.1% | Added |
| Merit Financial Group, LLC | 971 | $893.6K | 0.01% | +7+0.7% | Added |
| Aaron Wealth Advisors | 973 | $895.8K | 0.05% | +432+79.9% | Added |
| CTC Alternative Strategies, Ltd. | 974 | $896.7K | 1.49% | +974 | New |
| Ci Investments Inc. | 976 | $899.0K | 0.00% | −8−0.8% | Reduced |
| Skopos Labs, Inc. | 1,228 | $903.6K | 0.12% | −29−2.3% | Reduced |
| Citizens Financial Group Inc | 994 | $915.0K | 0.01% | +63+6.8% | Added |
| Bridgefront Capital, LLC | 1,001 | $921.6K | 0.27% | +1,001 | New |
| RMR Wealth Builders | 1,004 | $924.3K | 0.08% | −163−14.0% | Reduced |
| K.J. Harrison & Partners Inc | 1,000 | $930.5K | 0.13% | +1,000 | New |
| KPP Advisory Services LLC | 1,013 | $932.7K | 0.14% | +15+1.5% | Added |
| Inscription Capital, LLC | 1,016 | $935.4K | 0.10% | +417+69.6% | Added |
| Sheets Smith Wealth Management | 1,021 | $940.0K | 0.11% | +621+155.3% | Added |
| Portside Wealth Group, LLC | 1,022 | $940.9K | 0.13% | +3+0.3% | Added |
| Kingsview Wealth Management, LLC | 1,044 | $961.1K | 0.01% | +14+1.4% | Added |
| JT Stratford LLC | 1,063 | $978.6K | 0.13% | −751−41.4% | Reduced |
| Parkside Financial Bank & Trust | 1,070 | $985.1K | 0.08% | −66−5.8% | Reduced |
| Net Worth Advisory Group | 1,076 | $990.6K | 0.29% | −296−21.6% | Reduced |
| Greenleaf Trust | 1,085 | $998.9K | 0.01% | +16+1.5% | Added |
| Hancock Whitney Corp | 1,085 | $998.9K | 0.02% | −2,059−65.5% | Reduced |
| Bayesian Capital Management, LP | 1,100 | $1.01M | 0.21% | +1,100 | New |
| Gibbs Wealth Management | 1,104 | $1.02M | 0.23% | −211−16.0% | Reduced |
| Advisor OS, LLC | 1,113 | $1.03M | 0.09% | −90−7.5% | Reduced |
| Guerra Advisors Inc | 1,115 | $1.03M | 0.38% | +161+16.9% | Added |
| Winnow Wealth LLC | 1,116 | $1.03M | 0.80% | +1,116 | New |
| Suncoast Equity Management | 1,123 | $1.03M | 0.10% | +52+4.9% | Added |
| Wedmont Private Capital | 1,102 | $1.04M | 0.04% | +34+3.2% | Added |
| Win Advisors, Inc | 1,144 | $1.05M | 0.51% | −284−19.9% | Reduced |
| Captrust Financial Advisors | 1,149 | $1.06M | 0.00% | −54−4.5% | Reduced |
| Kestra Private Wealth Services, LLC | 1,151 | $1.06M | 0.01% | +228+24.7% | Added |
| Sovran Advisors, LLC | 980 | $1.07M | 0.09% | +147+17.6% | Added |
| Warren Averett Asset Management, LLC | 1,168 | $1.07M | 0.01% | +15+1.3% | Added |
| Meeder Advisory Services, Inc. | 1,168 | $1.08M | 0.05% | +7+0.6% | Added |
| Callan Family Office, LLC | 1,178 | $1.08M | 0.03% | −113−8.8% | Reduced |
| Liberty Capital Management, Inc. | 1,182 | $1.09M | 0.20% | +767+184.8% | Added |
| Evergreen Capital Management LLC | 1,204 | $1.11M | 0.03% | +64+5.6% | Added |
| Prelude Capital Management, LLC | 1,210 | $1.11M | 0.09% | −1,996−62.3% | Reduced |
| XML Financial, LLC | 1,211 | $1.11M | 0.09% | +295+32.2% | Added |
| AE Wealth Management LLC | 1,217 | $1.12M | 0.01% | +1,217 | New |
| Kentucky Retirement Systems Insurance Trust Fund | 1,218 | $1.12M | 0.07% | −59−4.6% | Reduced |
| Central Pacific Bank - Trust Division | 1,219 | $1.12M | 0.14% | +140+13.0% | Added |
| Catalytic Wealth RIA, LLC | 1,223 | $1.13M | 0.04% | +509+71.3% | Added |
| J. Safra Sarasin Holding AG | 1,227 | $1.13M | 0.02% | +351+40.1% | Added |
| RSM US Wealth Management LLC | 1,230 | $1.13M | 0.01% | +14+1.2% | Added |
| National Wealth Management Group, LLC | 1,244 | $1.15M | 0.43% | −48−3.7% | Reduced |
| Peterson Wealth Services | 8,075 | $1.15M | 0.28% | +6,836+551.7% | Added |
| BankPlus Trust Department | 1,252 | $1.15M | 0.31% | −2−0.2% | Reduced |
| Great Lakes Advisors, LLC | 1,258 | $1.16M | 0.01% | −116−8.4% | Reduced |
| Wahed Invest LLC | 1,264 | $1.16M | 0.16% | +6+0.5% | Added |
| Walleye Trading LLC | 1,271 | $1.17M | 0.02% | +1,162+1,066.1% | Added |