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 |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 2,576 | $2.37M | 0.07% | +2,134+482.8% | Added |
| Peak Retirement Planning, Inc. | 2,577 | $2.37M | 0.67% | +371+16.8% | Added |
| Landscape Capital Management, L.L.C. | 2,591 | $2.39M | 0.15% | +1,386+115.0% | Added |
| Sirios Capital Management L P | 2,645 | $2.44M | 0.32% | −673−20.3% | Reduced |
| SRS Capital Advisors, Inc. | 2,651 | $2.44M | 0.04% | +1,228+86.3% | Added |
| Commerce Bank | 2,666 | $2.45M | 0.01% | +38+1.4% | Added |
| Sunpointe, LLC | 2,662 | $2.45M | 0.89% | +2,662 | New |
| Stiles Financial Services Inc | 2,687 | $2.47M | 0.78% | +482+21.9% | Added |
| Global X Japan Co., Ltd. | 2,747 | $2.53M | 0.22% | −1,326−32.6% | Reduced |
| La Banque Postale Asset Management SA | 2,775 | $2.55M | 0.03% | +410+17.3% | Added |
| First National Bank of Omaha | 2,787 | $2.57M | 0.16% | +2,787 | New |
| RFG Advisory, LLC | 2,790 | $2.57M | 0.05% | −2,426−46.5% | Reduced |
| Hartford Investment Management Co | 2,803 | $2.58M | 0.08% | −83−2.9% | Reduced |
| Atria Investments LLC | 2,805 | $2.58M | 0.03% | −161−5.4% | Reduced |
| Thrive Capital Management, LLC | 2,859 | $2.63M | 0.68% | −6−0.2% | Reduced |
| Kentucky Retirement Systems | 2,906 | $2.68M | 0.07% | −102−3.4% | Reduced |
| GKV Capital Management Co., Inc. | 2,920 | $2.69M | 1.06% | +45+1.6% | Added |
| Triasima Portfolio Management inc. | 2,930 | $2.70M | 0.41% | +2,930 | New |
| Banque Cantonale Vaudoise | 2,974 | $2.74M | 0.10% | +1,200+67.6% | Added |
| Prudential PLC | 3,001 | $2.76M | 0.02% | +740+32.7% | Added |
| Group One Trading, L.P. | 3,006 | $2.77M | 0.08% | +1,343+80.8% | Added |
| Omers Administration Corp | 3,015 | $2.78M | 0.02% | 00.0% | Unchanged |
| Mirova | 3,055 | $2.81M | 0.40% | +288+10.4% | Added |
| First National Advisers, LLC | 3,063 | $2.82M | 0.38% | +3,063 | New |
| Paragon Advisors, LLC | 3,103 | $2.86M | 0.74% | −1,504−32.6% | Reduced |
| Modern Wealth Management, LLC | 3,111 | $2.86M | 0.06% | +5+0.2% | Added |
| Calamos Advisors LLC | 3,116 | $2.87M | 0.01% | +343+12.4% | Added |
| Mizuho Securities USA LLC | 3,488 | $2.92M | 0.06% | +176+5.3% | Added |
| Catalyst Funds Management Pty Ltd | 3,175 | $2.92M | 0.44% | +1,000+46.0% | Added |
| Profund Advisors LLC | 3,242 | $2.98M | 0.10% | +117+3.7% | Added |
| Boston Family Office LLC | 3,247 | $2.99M | 0.19% | +733+29.2% | Added |
| Oak Harvest Investment Services | 3,267 | $3.01M | 0.35% | +848+35.1% | Added |
| Hudson Bay Capital Management LP | 3,338 | $3.07M | 0.02% | +3,338 | New |
| Values First Advisors, Inc. | 3,357 | $3.09M | 1.65% | −54−1.6% | Reduced |
| Guggenheim Capital LLC | 3,382 | $3.11M | 0.02% | +78+2.4% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 3,387 | $3.12M | 1.25% | −198−5.5% | Reduced |
| Leelyn Smith, LLC | 3,413 | $3.14M | 0.47% | +89+2.7% | Added |
| Intrust Bank NA | 3,414 | $3.14M | 0.26% | −78−2.2% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,435 | $3.16M | 0.11% | +786+29.7% | Added |
| Harfst & Associates, Inc. | 3,439 | $3.17M | 0.58% | +3+0.1% | Added |
| Guidance Capital, Inc | 2,946 | $3.17M | 0.83% | −16−0.5% | Reduced |
| Brinker Capital Investments, LLC | 3,462 | $3.19M | 0.02% | −291−7.8% | Reduced |
| Peapack Gladstone Financial Corp | 3,505 | $3.23M | 0.04% | −206−5.6% | Reduced |
| Coppell Advisory Solutions LLC | 3,706 | $3.29M | 0.36% | +3,706 | New |
| Wealth Enhancement Advisory Services, LLC | 3,506 | $3.31M | 0.01% | +94+2.8% | Added |
| MV Capital Management, Inc. | 3,636 | $3.35M | 0.32% | +3,597+9,223.1% | Added |
| Redhawk Wealth Advisors, Inc. | 3,676 | $3.38M | 0.39% | −44−1.2% | Reduced |
| Summit Trail Advisors, LLC | 3,727 | $3.44M | 0.05% | +723+24.1% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 3,736 | $3.44M | 0.16% | −352−8.6% | Reduced |
| Motley Fool Asset Management LLC | 3,757 | $3.46M | 0.14% | +2,449+187.2% | Added |
| Bank of Nova Scotia | 3,776 | $3.48M | 0.01% | −23,589−86.2% | Reduced |
| HighTower Advisors, LLC | 3,778 | $3.48M | 0.00% | −597−13.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 3,806 | $3.50M | 0.03% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 3,874 | $3.57M | 0.03% | +1,795+86.3% | Added |
| Rational Advisors LLC | 3,900 | $3.59M | 0.36% | +3,900 | New |
| Pensionmark Financial Group, LLC | 3,924 | $3.61M | 0.07% | −132−3.3% | Reduced |
| Torray LLC | 3,957 | $3.64M | 0.49% | +903+29.6% | Added |
| Dakota Wealth Management | 3,998 | $3.68M | 0.07% | +1,823+83.8% | Added |
| Argent Capital Management LLC | 4,003 | $3.69M | 0.10% | +4,003 | New |
| Groupe la Francaise | 4,009 | $3.69M | 0.05% | +4,009 | New |
| Steward Partners Investment Advisory, LLC | 4,087 | $3.76M | 0.02% | −618−13.1% | Reduced |
| Cerity Partners LLC | 4,101 | $3.78M | 0.01% | −201−4.7% | Reduced |
| Taylor Frigon Capital Management LLC | 4,142 | $3.81M | 1.90% | −678−14.1% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 4,177 | $3.85M | 0.08% | +4,177 | New |
| Linden Thomas Advisory Services, LLC | 4,204 | $3.87M | 0.39% | +30+0.7% | Added |
| Crossmark Global Holdings, Inc. | 4,298 | $3.96M | 0.06% | −883−17.0% | Reduced |
| Quantessence Capital LLC | 4,344 | $4.00M | 1.27% | +4,344 | New |
| Park Avenue Securities LLC | 4,374 | $4.03M | 0.03% | +264+6.4% | Added |
| Trilogy Capital Inc. | 4,398 | $4.05M | 0.19% | +423+10.6% | Added |
| Avanza Fonder AB | 4,413 | $4.06M | 0.11% | +600+15.7% | Added |
| ASR Vermogensbeheer N.V. | 4,430 | $4.08M | 0.05% | −24−0.5% | Reduced |
| KP Management LLC | 4,500 | $4.14M | 1.45% | 00.0% | Unchanged |
| Envestnet Portfolio Solutions, Inc. | 4,520 | $4.16M | 0.02% | −411−8.3% | Reduced |
| Davidson Capital Management Inc. | 4,540 | $4.18M | 0.93% | −58−1.3% | Reduced |
| Tredje AP-fonden | 4,543 | $4.18M | 0.03% | −1,806−28.4% | Reduced |
| Nordea Investment Management AB | 4,720 | $4.31M | 0.00% | +484+11.4% | Added |
| O'Shaughnessy Asset Management, LLC | 4,682 | $4.31M | 0.03% | +877+23.0% | Added |
| Virginia Retirement Systems Et Al | 4,700 | $4.33M | 0.03% | −2,300−32.9% | Reduced |
| Advisors Asset Management, Inc. | 4,760 | $4.38M | 0.07% | −1,558−24.7% | Reduced |
| CCM Investment Advisers LLC | 4,912 | $4.52M | 0.45% | +4,912 | New |
| Azzad Asset Management Inc | 4,959 | $4.57M | 0.45% | −73−1.5% | Reduced |
| Parcion Private Wealth LLC | 4,989 | $4.59M | 0.29% | −64−1.3% | Reduced |
| OP Asset Management Ltd | 5,004 | $4.61M | 0.06% | −65−1.3% | Reduced |
| Walleye Capital LLC | 5,130 | $4.72M | 0.04% | +4,197+449.8% | Added |
| Coldstream Capital Management Inc | 5,155 | $4.75M | 0.06% | −20.0% | Reduced |
| Bahl & Gaynor Inc | 5,157 | $4.75M | 0.02% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 5,162 | $4.75M | 0.05% | −222−4.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 5,182 | $4.78M | 0.03% | +351+7.3% | Added |
| Kornitzer Capital Management Inc | 5,227 | $4.81M | 0.10% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 5,262 | $4.84M | 0.05% | −265−4.8% | Reduced |
| Wasatch Advisors Inc | 5,413 | $4.98M | 0.03% | −388−6.7% | Reduced |
| Private Advisor Group, LLC | 5,457 | $5.02M | 0.02% | −512−8.6% | Reduced |
| Oregon Public Employees Retirement Fund | 5,475 | $5.04M | 0.07% | +1,293+30.9% | Added |
| Mitchell Capital Management Co | 5,549 | $5.11M | 0.87% | +5,549 | New |
| Wealthfront Advisers LLC | 5,554 | $5.11M | 0.01% | −374−6.3% | Reduced |
| Concentric Capital Strategies, LP | 5,559 | $5.12M | 0.24% | +5,559 | New |
| Rathbone Brothers plc | 5,675 | $5.22M | 0.02% | −25−0.4% | Reduced |
| Knollwood Investment Advisory, LLC | 5,685 | $5.23M | 0.47% | 00.0% | Unchanged |
| Pier 88 Investment Partners LLC | 5,780 | $5.32M | 1.00% | +4,770+472.3% | Added |
| Truist Financial Corp | 5,781 | $5.32M | 0.01% | +1,050+22.2% | Added |