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, Q1 2026
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2026. 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
- 1,124
- +80 vs. Q4 2025
- Shares held
- 47.3M
- +5.32M (+12.7%) vs. Q4 2025
- Total value
- $51.6B
- +$13.6B (+35.9%) vs. Q4 2025
- New holders
- 181
- 384 more added
- Sold out
- 101
- 408 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Knollwood Investment Advisory, LLC | 5,685 | $6.22M | 0.63% | 00.0% | Unchanged |
| Shelton Capital Management | 5,646 | $6.17M | 0.14% | −83−1.4% | Reduced |
| Oregon Public Employees Retirement Fund | 5,591 | $6.11M | 0.08% | +116+2.1% | Added |
| Davidson Capital Management Inc. | 5,412 | $5.92M | 1.07% | +803+17.4% | Added |
| Mitchell Capital Management Co | 5,385 | $5.89M | 1.08% | −162−2.9% | Reduced |
| Truist Financial Corp | 5,379 | $5.88M | 0.01% | +44+0.8% | Added |
| Ilmarinen Mutual Pension Insurance Co | 5,345 | $5.84M | 0.05% | +5,345 | New |
| Janney Montgomery Scott LLC | 5,256 | $5.75M | 0.01% | +331+6.7% | Added |
| Steward Partners Investment Advisory, LLC | 5,255 | $5.74M | 0.03% | +260+5.2% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 5,235 | $5.72M | 0.10% | +536+11.4% | Added |
| GWM Advisors LLC | 5,197 | $5.68M | 0.02% | −4,947−48.8% | Reduced |
| Investment Management Corp of Ontario | 5,158 | $5.64M | 0.07% | +963+23.0% | Added |
| Jane Street Group, LLC | 5,083 | $5.56M | 0.01% | +596+13.3% | Added |
| Allstate Corp | 5,064 | $5.54M | 0.06% | +1,508+42.4% | Added |
| Bahl & Gaynor Inc | 5,042 | $5.51M | 0.03% | 00.0% | Unchanged |
| Rathbone Brothers plc | 4,929 | $5.39M | 0.02% | −606−10.9% | Reduced |
| Yousif Capital Management, LLC | 4,898 | $5.36M | 0.06% | −63−1.3% | Reduced |
| Nordea Investment Management AB | 5,081 | $5.32M | 0.00% | +172+3.5% | Added |
| Parcion Private Wealth LLC | 4,804 | $5.25M | 0.33% | −26−0.5% | Reduced |
| Azzad Asset Management Inc | 4,665 | $5.10M | 0.52% | −149−3.1% | Reduced |
| Cerity Partners LLC | 4,638 | $5.07M | 0.01% | +1,449+45.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 4,629 | $5.06M | 0.10% | +4,629 | New |
| Norinchukin Bank, The | 4,562 | $4.99M | 0.06% | +266+6.2% | Added |
| Boston Family Office LLC | 4,544 | $4.97M | 0.33% | −109−2.3% | Reduced |
| Commonwealth Equity Services, LLC | 4,536 | $4.96M | 0.01% | −1,191−20.8% | Reduced |
| Trilogy Capital Inc. | 4,503 | $4.92M | 0.22% | +289+6.9% | Added |
| KP Management LLC | 4,500 | $4.92M | 1.41% | −1,000−18.2% | Reduced |
| Arosa Capital Management LP | 4,500 | $4.92M | 3.20% | +4,500 | New |
| ASR Vermogensbeheer N.V. | 4,472 | $4.89M | 0.06% | +83+1.9% | Added |
| HB Wealth Management, LLC | 4,395 | $4.81M | 0.03% | −1,669−27.5% | Reduced |
| Capitolis Liquid Global Markets LLC | 4,391 | $4.80M | 0.03% | +4,391 | New |
| Indivisible Partners | 4,378 | $4.79M | 0.42% | +4,378 | New |
| NFJ Investment Group, LLC | 4,375 | $4.78M | 0.18% | 00.0% | Unchanged |
| Calamos Advisors LLC | 4,368 | $4.78M | 0.02% | +1,478+51.1% | Added |
| Avanza Fonder AB | 4,340 | $4.75M | 0.13% | −73−1.7% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 4,335 | $4.74M | 0.05% | −1,787−29.2% | Reduced |
| Summit Trail Advisors, LLC | 4,325 | $4.73M | 0.07% | +491+12.8% | Added |
| Omers Administration Corp | 4,249 | $4.65M | 0.03% | +2,234+110.9% | Added |
| Lazard Asset Management LLC | 4,210 | $4.60M | 0.01% | −19,573−82.3% | Reduced |
| Kornitzer Capital Management Inc | 4,177 | $4.57M | 0.10% | −1,050−20.1% | Reduced |
| MML Investors Services, LLC | 4,164 | $4.55M | 0.01% | −1,033−19.9% | Reduced |
| Global X Japan Co., Ltd. | 4,150 | $4.54M | 0.23% | +144+3.6% | Added |
| Connective Capital Management, LLC | 4,105 | $4.49M | 3.71% | +4,105 | New |
| Private Advisor Group, LLC | 4,077 | $4.46M | 0.02% | −530−11.5% | Reduced |
| 4D Advisors, LLC | 4,000 | $4.37M | 2.77% | 00.0% | Unchanged |
| Brasada Capital Management, LP | 3,704 | $4.37M | 0.80% | −235−6.0% | Reduced |
| Groupe la Francaise | 3,992 | $4.36M | 0.06% | −1,766−30.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,914 | $4.28M | 0.14% | +61+1.6% | Added |
| Teachers Retirement System of the State of Kentucky | 3,806 | $4.16M | 0.03% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 3,772 | $4.12M | 0.00% | −622−14.2% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 3,765 | $4.09M | 0.02% | −576−13.3% | Reduced |
| Gulf International Bank (UK) Ltd | 3,714 | $4.06M | 0.09% | +1,268+51.8% | Added |
| Torray LLC | 3,707 | $4.05M | 0.59% | −542−12.8% | Reduced |
| Triasima Portfolio Management inc. | 3,707 | $4.05M | 0.61% | +10+0.3% | Added |
| Integrated Wealth Concepts LLC | 3,686 | $4.03M | 0.03% | +3,686 | New |
| Eurizon SLJ Capital Ltd | 3,984 | $3.99M | 1.90% | −1,684−29.7% | Reduced |
| Guardian Capital LP | 3,615 | $3.95M | 0.10% | +3,034+522.2% | Added |
| Tower Research Capital LLC (TRC) | 3,614 | $3.95M | 0.10% | −5,816−61.7% | Reduced |
| Greenup Street Wealth Management LLC | 3,605 | $3.94M | 0.55% | −1,164−24.4% | Reduced |
| Pensionmark Financial Group, LLC | 3,576 | $3.91M | 0.06% | −211−5.6% | Reduced |
| MV Capital Management, Inc. | 3,567 | $3.90M | 0.38% | −104−2.8% | Reduced |
| Oak Harvest Investment Services | 3,553 | $3.88M | 0.41% | +12+0.3% | Added |
| Sterling Capital Management LLC | 3,485 | $3.81M | 0.07% | +3,035+674.4% | Added |
| Thrive Capital Management, LLC | 3,439 | $3.76M | 0.82% | −301−8.0% | Reduced |
| Illinois Municipal Retirement Fund | 3,428 | $3.75M | 0.05% | +3,428 | New |
| Cambridge Investment Research Advisors, Inc. | 3,416 | $3.73M | 0.01% | +300+9.6% | Added |
| Intrust Bank NA | 3,371 | $3.69M | 0.30% | −22−0.6% | Reduced |
| Skopos Labs, Inc. | 3,369 | $3.68M | 0.12% | +359+11.9% | Added |
| Evolve Private Wealth, LLC | 3,353 | $3.67M | 0.20% | +39+1.2% | Added |
| Leelyn Smith, LLC | 3,345 | $3.66M | 0.51% | −74−2.2% | Reduced |
| PFG Advisors | 3,344 | $3.66M | 0.18% | −186−5.3% | Reduced |
| Park Avenue Securities LLC | 3,343 | $3.65M | 0.03% | −744−18.2% | Reduced |
| Coldstream Capital Management Inc | 3,342 | $3.65M | 0.05% | −1,525−31.3% | Reduced |
| Pinkerton Retirement Specialists, LLC | 3,982 | $3.61M | 0.33% | +316+8.6% | Added |
| Harfst & Associates, Inc. | 3,288 | $3.59M | 0.64% | −30−0.9% | Reduced |
| Values First Advisors, Inc. | 3,278 | $3.58M | 1.87% | +10.0% | Added |
| BLB&B Advisors, LLC | 3,257 | $3.56M | 0.15% | −6,026−64.9% | Reduced |
| Colony Group, LLC | 3,099 | $3.54M | 0.00% | −10,753−77.6% | Reduced |
| Baker Avenue Asset Management, LP | 3,215 | $3.52M | 0.08% | +33+1.0% | Added |
| Modern Wealth Management, LLC | 3,105 | $3.48M | 0.06% | −71−2.2% | Reduced |
| Peak Retirement Planning, Inc. | 3,162 | $3.46M | 0.71% | +121+4.0% | Added |
| Paragon Advisors, LLC | 3,156 | $3.45M | 0.93% | −140−4.2% | Reduced |
| Advisors Asset Management, Inc. | 3,141 | $3.43M | 0.06% | +31+1.0% | Added |
| IMC-Chicago, LLC | 3,131 | $3.42M | 0.05% | +3,131 | New |
| Merit Financial Group, LLC | 3,098 | $3.39M | 0.03% | +341+12.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 13,124 | $3.28M | 0.01% | +9,398+252.2% | Added |
| Rockefeller Capital Management L.P. | 2,998 | $3.28M | 0.01% | +209+7.5% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 2,991 | $3.27M | 0.11% | −193−6.1% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 2,987 | $3.27M | 0.02% | −1,287−30.1% | Reduced |
| Left Brain Wealth Management, LLC | 2,973 | $3.25M | 1.28% | +2,141+257.3% | Added |
| First National Bank of Omaha | 2,967 | $3.24M | 0.10% | −43−1.4% | Reduced |
| Mirabella Financial Services LLP | 2,955 | $3.23M | 0.31% | +2,528+592.0% | Added |
| Havemeyer Place LP | 2,953 | $3.23M | 0.37% | +2,953 | New |
| Nomura Holdings Inc | 2,949 | $3.22M | 0.03% | −8,281−73.7% | Reduced |
| Mizuho Securities USA LLC | 2,945 | $3.22M | 0.08% | −543−15.6% | Reduced |
| Wasatch Advisors Inc | 2,942 | $3.22M | 0.02% | −989−25.2% | Reduced |
| GKV Capital Management Co., Inc. | 2,940 | $3.21M | 1.21% | +30+1.0% | Added |
| Equitable Holdings, Inc. | 3,060 | $3.19M | 0.02% | +2,206+258.3% | Added |
| ABN AMRO Bank N.V. | 2,930 | $3.19M | 0.03% | +2,930 | New |
| E Fund Management Co., Ltd. | 2,912 | $3.18M | 0.09% | +2,912 | New |