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, Q2 2025
Institutional positions in Monolithic Power Systems, Inc. as of Jun 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
- 907
- +55 vs. Q1 2025
- Shares held
- 47.4M
- +747.4K (+1.6%) vs. Q1 2025
- Total value
- $34.6B
- +$7.61B (+28.2%) vs. Q1 2025
- New holders
- 139
- 376 more added
- Sold out
- 84
- 299 more reduced
10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Burr Financial Services, LLC | 4,660 | $3.41M | 2.87% | +4,127+774.3% | Added |
| Steward Partners Investment Advisory, LLC | 4,705 | $3.44M | 0.03% | −394−7.7% | Reduced |
| Truist Financial Corp | 4,731 | $3.46M | 0.01% | +68+1.5% | Added |
| Taylor Frigon Capital Management LLC | 4,820 | $3.53M | 1.87% | −603−11.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 4,831 | $3.54M | 0.03% | +1,392+40.5% | Added |
| Envestnet Portfolio Solutions, Inc. | 4,931 | $3.61M | 0.01% | −523−9.6% | Reduced |
| Azzad Asset Management Inc | 5,032 | $3.68M | 0.39% | +480+10.5% | Added |
| Parcion Private Wealth LLC | 5,053 | $3.70M | 0.26% | +5,053 | New |
| OP Asset Management Ltd | 5,069 | $3.71M | 0.05% | −23−0.5% | Reduced |
| Jane Street Group, LLC | 5,072 | $3.71M | 0.01% | +4,050+396.3% | Added |
| Bahl & Gaynor Inc | 5,157 | $3.77M | 0.02% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 5,157 | $3.77M | 0.06% | +276+5.7% | Added |
| Shell Asset Management Co | 5,164 | $3.78M | 0.13% | −1,863−26.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 5,177 | $3.79M | 0.00% | −7,854−60.3% | Reduced |
| Crossmark Global Holdings, Inc. | 5,181 | $3.79M | 0.06% | +726+16.3% | Added |
| RFG Advisory, LLC | 5,216 | $3.81M | 0.09% | +180+3.6% | Added |
| Kornitzer Capital Management Inc | 5,227 | $3.82M | 0.08% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 5,384 | $3.94M | 0.04% | −220−3.9% | Reduced |
| D. E. Shaw & Co., Inc. | 5,427 | $3.97M | 0.00% | −1,850−25.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 5,497 | $4.02M | 0.01% | +614+12.6% | Added |
| Yousif Capital Management, LLC | 5,527 | $4.04M | 0.04% | −31−0.6% | Reduced |
| Perpetual Ltd | 5,561 | $4.07M | 0.05% | −971−14.9% | Reduced |
| Bryn Mawr Trust Co | 5,589 | $4.09M | 0.07% | −11,940−68.1% | Reduced |
| Empowered Funds, LLC | 5,604 | $4.10M | 0.05% | +279+5.2% | Added |
| Mirabaud Asset Management Ltd | 5,627 | $4.14M | 1.93% | +781+16.1% | Added |
| Carderock Capital Management Inc | 5,667 | $4.14M | 1.06% | −692−10.9% | Reduced |
| Knollwood Investment Advisory, LLC | 5,685 | $4.16M | 0.40% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 5,692 | $4.16M | 0.01% | +605+11.9% | Added |
| Rathbone Brothers plc | 5,700 | $4.17M | 0.02% | +705+14.1% | Added |
| Saturna Capital CORP | 5,774 | $4.22M | 0.06% | +4,156+256.9% | Added |
| Wasatch Advisors Inc | 5,801 | $4.24M | 0.02% | +739+14.6% | Added |
| Wealthfront Advisers LLC | 5,928 | $4.34M | 0.01% | −791−11.8% | Reduced |
| Private Advisor Group, LLC | 5,969 | $4.37M | 0.02% | +489+8.9% | Added |
| PFG Advisors | 5,974 | $4.37M | 0.21% | +1,139+23.6% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 5,987 | $4.38M | 0.01% | +5,960+22,074.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,007 | $4.39M | 0.04% | +59+1.0% | Added |
| CIBC World Markets Corp | 6,023 | $4.41M | 0.03% | +211+3.6% | Added |
| Mutual of America Capital Management LLC | 6,028 | $4.41M | 0.05% | −72−1.2% | Reduced |
| HB Wealth Management, LLC | 6,067 | $4.44M | 0.04% | +221+3.8% | Added |
| Synovus Financial Corp | 6,143 | $4.49M | 0.05% | +90+1.5% | Added |
| Bokf, NA | 6,150 | $4.50M | 0.07% | −3,041−33.1% | Reduced |
| Advisors Asset Management, Inc. | 6,318 | $4.62M | 0.08% | −757−10.7% | Reduced |
| First American Trust, FSB | 6,337 | $4.63M | 0.37% | +175+2.8% | Added |
| Tredje AP-fonden | 6,349 | $4.64M | 0.04% | −1,937−23.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,374 | $4.66M | 0.02% | +3,815+149.1% | Added |
| MML Investors Services, LLC | 6,534 | $4.78M | 0.01% | −1,195−15.5% | Reduced |
| CIBC Asset Management Inc | 6,605 | $4.83M | 0.02% | −594−8.3% | Reduced |
| Robeco Institutional Asset Management B.V. | 6,834 | $5.00M | 0.01% | −13,125−65.8% | Reduced |
| Ethic Inc. | 6,852 | $5.04M | 0.09% | +3,236+89.5% | Added |
| QRG Capital Management, Inc. | 6,959 | $5.09M | 0.04% | −95−1.3% | Reduced |
| Advisor Group Holdings, Inc. | 7,233 | $5.10M | 0.01% | +1,511+26.4% | Added |
| Commonwealth Equity Services, LLC | 6,996 | $5.12M | 0.01% | +716+11.4% | Added |
| Virginia Retirement Systems Et Al | 7,000 | $5.12M | 0.04% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 7,004 | $5.12M | 0.01% | −1,088−13.4% | Reduced |
| American Capital Management Inc | 7,015 | $5.13M | 0.21% | −83−1.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,024 | $5.14M | 0.05% | +212+3.1% | Added |
| New York Life Investment Management LLC | 7,144 | $5.22M | 0.05% | +84+1.2% | Added |
| Edgestream Partners, L.P. | 7,183 | $5.25M | 0.15% | −1,934−21.2% | Reduced |
| Oppenheimer & Co Inc | 7,238 | $5.29M | 0.07% | −693−8.7% | Reduced |
| Midwest Trust Co | 7,252 | $5.30M | 0.07% | +7,252 | New |
| Polar Asset Management Partners Inc. | 7,290 | $5.33M | 0.13% | +7,290 | New |
| British Columbia Investment Management Corp | 7,534 | $5.51M | 0.03% | −1,796−19.2% | Reduced |
| First Foundation Advisors | 7,614 | $5.57M | 0.21% | +477+6.7% | Added |
| Citadel Advisors LLC | 7,650 | $5.60M | 0.00% | +6,875+887.1% | Added |
| Utah Retirement Systems | 7,689 | $5.62M | 0.06% | −70−0.9% | Reduced |
| Harvest Fund Management Co., Ltd | 7,938 | $5.80M | 0.27% | −1,339−14.4% | Reduced |
| Toroso Investments, LLC | 7,953 | $5.82M | 0.04% | −2,167−21.4% | Reduced |
| CWM Advisors, LLC | 8,090 | $5.92M | 0.64% | −975−10.8% | Reduced |
| NFJ Investment Group, LLC | 8,106 | $5.93M | 0.21% | +8,106 | New |
| Woodline Partners LP | 8,541 | $6.25M | 0.03% | +8,541 | New |
| Acadian Asset Management LLC | 8,871 | $6.48M | 0.01% | +1,242+16.3% | Added |
| Cetera Investment Advisers | 8,938 | $6.54M | 0.01% | −526−5.6% | Reduced |
| Clearbridge Investments, LLC | 8,952 | $6.55M | 0.01% | −30,168−77.1% | Reduced |
| Blair William & Co | 8,987 | $6.57M | 0.02% | −521−5.5% | Reduced |
| JustInvest LLC | 9,002 | $6.58M | 0.07% | +2,379+35.9% | Added |
| IFM Investors Pty Ltd | 9,140 | $6.68M | 0.06% | +592+6.9% | Added |
| Stratos Wealth Partners, LTD. | 9,178 | $6.71M | 0.09% | −288−3.0% | Reduced |
| BLB&B Advisors, LLC | 9,205 | $6.73M | 0.31% | +768+9.1% | Added |
| GWM Advisors LLC | 9,383 | $6.86M | 0.04% | +314+3.5% | Added |
| Greenland Capital Management LP | 9,517 | $6.96M | 0.90% | +9,517 | New |
| Daiwa Securities Group Inc. | 9,536 | $6.97M | 0.03% | +307+3.3% | Added |
| USS Investment Management Ltd | 9,663 | $7.07M | 0.04% | +331+3.5% | Added |
| Larson Financial Group LLC | 9,791 | $7.16M | 0.29% | +923+10.4% | Added |
| Comerica Bank | 9,906 | $7.24M | 0.03% | +2,216+28.8% | Added |
| Retirement Systems of Alabama | 10,276 | $7.52M | 0.03% | 00.0% | Unchanged |
| Verition Fund Management LLC | 10,295 | $7.53M | 0.04% | +8,011+350.7% | Added |
| Amalgamated Bank | 10,306 | $7.54M | 0.06% | +133+1.3% | Added |
| Storebrand Asset Management AS | 10,395 | $7.60M | 0.02% | +383+3.8% | Added |
| Westwood Holdings Group Inc. | 10,558 | $7.72M | 0.06% | +91+0.9% | Added |
| Level Four Advisory Services, LLC | 10,615 | $7.76M | 0.29% | +1,283+13.7% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 10,617 | $7.77M | 0.04% | −5,434−33.9% | Reduced |
| UniSuper Management Pty Ltd | 10,621 | $7.77M | 0.05% | −621−5.5% | Reduced |
| NorthCrest Asset Manangement, LLC | 10,242 | $7.77M | 0.21% | −56−0.5% | Reduced |
| 4D Advisors, LLC | 11,000 | $8.05M | 4.33% | +8,000+266.7% | Added |
| Mariner, LLC | 11,240 | $8.22M | 0.01% | +1,008+9.9% | Added |
| Xponance, Inc. | 11,350 | $8.30M | 0.07% | +230+2.1% | Added |
| Nisa Investment Advisors, LLC | 11,442 | $8.39M | 0.04% | −2,270−16.6% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 11,505 | $8.41M | 0.12% | −12,659−52.4% | Reduced |
| Czech National Bank | 11,703 | $8.56M | 0.07% | +719+6.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,743 | $8.59M | 0.05% | +806+7.4% | Added |