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 |
|---|---|---|---|---|---|
| Achmea Investment Management B.V. | 12,808 | $9.37M | 0.12% | 00.0% | Unchanged |
| Lombard Odier Asset Management (Europe) Ltd | 12,716 | $9.30M | 0.67% | −7,833−38.1% | Reduced |
| Fifth Third Bancorp | 12,621 | $9.23M | 0.03% | +3,216+34.2% | Added |
| US Bancorp | 12,078 | $8.83M | 0.01% | −13−0.1% | Reduced |
| Pathstone Holdings, LLC | 12,074 | $8.83M | 0.03% | −1,271−9.5% | Reduced |
| Polar Capital Holdings Plc | 12,050 | $8.81M | 0.05% | −5,650−31.9% | Reduced |
| Nicholas Investment Partners, LP | 11,912 | $8.71M | 0.78% | +170+1.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,743 | $8.59M | 0.05% | +806+7.4% | Added |
| Czech National Bank | 11,703 | $8.56M | 0.07% | +719+6.5% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 11,505 | $8.41M | 0.12% | −12,659−52.4% | Reduced |
| Nisa Investment Advisors, LLC | 11,442 | $8.39M | 0.04% | −2,270−16.6% | Reduced |
| Xponance, Inc. | 11,350 | $8.30M | 0.07% | +230+2.1% | Added |
| Mariner, LLC | 11,240 | $8.22M | 0.01% | +1,008+9.9% | Added |
| 4D Advisors, LLC | 11,000 | $8.05M | 4.33% | +8,000+266.7% | Added |
| NorthCrest Asset Manangement, LLC | 10,242 | $7.77M | 0.21% | −56−0.5% | Reduced |
| UniSuper Management Pty Ltd | 10,621 | $7.77M | 0.05% | −621−5.5% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 10,617 | $7.77M | 0.04% | −5,434−33.9% | Reduced |
| Level Four Advisory Services, LLC | 10,615 | $7.76M | 0.29% | +1,283+13.7% | Added |
| Westwood Holdings Group Inc. | 10,558 | $7.72M | 0.06% | +91+0.9% | Added |
| Storebrand Asset Management AS | 10,395 | $7.60M | 0.02% | +383+3.8% | Added |
| Amalgamated Bank | 10,306 | $7.54M | 0.06% | +133+1.3% | Added |
| Verition Fund Management LLC | 10,295 | $7.53M | 0.04% | +8,011+350.7% | Added |
| Retirement Systems of Alabama | 10,276 | $7.52M | 0.03% | 00.0% | Unchanged |
| Comerica Bank | 9,906 | $7.24M | 0.03% | +2,216+28.8% | Added |
| Larson Financial Group LLC | 9,791 | $7.16M | 0.29% | +923+10.4% | Added |
| USS Investment Management Ltd | 9,663 | $7.07M | 0.04% | +331+3.5% | Added |
| Daiwa Securities Group Inc. | 9,536 | $6.97M | 0.03% | +307+3.3% | Added |
| Greenland Capital Management LP | 9,517 | $6.96M | 0.90% | +9,517 | New |
| GWM Advisors LLC | 9,383 | $6.86M | 0.04% | +314+3.5% | Added |
| BLB&B Advisors, LLC | 9,205 | $6.73M | 0.31% | +768+9.1% | Added |
| Stratos Wealth Partners, LTD. | 9,178 | $6.71M | 0.09% | −288−3.0% | Reduced |
| IFM Investors Pty Ltd | 9,140 | $6.68M | 0.06% | +592+6.9% | Added |
| JustInvest LLC | 9,002 | $6.58M | 0.07% | +2,379+35.9% | Added |
| Blair William & Co | 8,987 | $6.57M | 0.02% | −521−5.5% | Reduced |
| Clearbridge Investments, LLC | 8,952 | $6.55M | 0.01% | −30,168−77.1% | Reduced |
| Cetera Investment Advisers | 8,938 | $6.54M | 0.01% | −526−5.6% | Reduced |
| Acadian Asset Management LLC | 8,871 | $6.48M | 0.01% | +1,242+16.3% | Added |
| Woodline Partners LP | 8,541 | $6.25M | 0.03% | +8,541 | New |
| NFJ Investment Group, LLC | 8,106 | $5.93M | 0.21% | +8,106 | New |
| CWM Advisors, LLC | 8,090 | $5.92M | 0.64% | −975−10.8% | Reduced |
| Toroso Investments, LLC | 7,953 | $5.82M | 0.04% | −2,167−21.4% | Reduced |
| Harvest Fund Management Co., Ltd | 7,938 | $5.80M | 0.27% | −1,339−14.4% | Reduced |
| Utah Retirement Systems | 7,689 | $5.62M | 0.06% | −70−0.9% | Reduced |
| Citadel Advisors LLC | 7,650 | $5.60M | 0.00% | +6,875+887.1% | Added |
| First Foundation Advisors | 7,614 | $5.57M | 0.21% | +477+6.7% | Added |
| British Columbia Investment Management Corp | 7,534 | $5.51M | 0.03% | −1,796−19.2% | Reduced |
| Polar Asset Management Partners Inc. | 7,290 | $5.33M | 0.13% | +7,290 | New |
| Midwest Trust Co | 7,252 | $5.30M | 0.07% | +7,252 | New |
| Oppenheimer & Co Inc | 7,238 | $5.29M | 0.07% | −693−8.7% | Reduced |
| Edgestream Partners, L.P. | 7,183 | $5.25M | 0.15% | −1,934−21.2% | Reduced |
| New York Life Investment Management LLC | 7,144 | $5.22M | 0.05% | +84+1.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,024 | $5.14M | 0.05% | +212+3.1% | Added |
| American Capital Management Inc | 7,015 | $5.13M | 0.21% | −83−1.2% | Reduced |
| Mackenzie Financial Corp | 7,004 | $5.12M | 0.01% | −1,088−13.4% | Reduced |
| Virginia Retirement Systems Et Al | 7,000 | $5.12M | 0.04% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 6,996 | $5.12M | 0.01% | +716+11.4% | Added |
| Advisor Group Holdings, Inc. | 7,233 | $5.10M | 0.01% | +1,511+26.4% | Added |
| QRG Capital Management, Inc. | 6,959 | $5.09M | 0.04% | −95−1.3% | Reduced |
| Ethic Inc. | 6,852 | $5.04M | 0.09% | +3,236+89.5% | Added |
| Robeco Institutional Asset Management B.V. | 6,834 | $5.00M | 0.01% | −13,125−65.8% | Reduced |
| CIBC Asset Management Inc | 6,605 | $4.83M | 0.02% | −594−8.3% | Reduced |
| MML Investors Services, LLC | 6,534 | $4.78M | 0.01% | −1,195−15.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,374 | $4.66M | 0.02% | +3,815+149.1% | Added |
| Tredje AP-fonden | 6,349 | $4.64M | 0.04% | −1,937−23.4% | Reduced |
| First American Trust, FSB | 6,337 | $4.63M | 0.37% | +175+2.8% | Added |
| Advisors Asset Management, Inc. | 6,318 | $4.62M | 0.08% | −757−10.7% | Reduced |
| Bokf, NA | 6,150 | $4.50M | 0.07% | −3,041−33.1% | Reduced |
| Synovus Financial Corp | 6,143 | $4.49M | 0.05% | +90+1.5% | Added |
| HB Wealth Management, LLC | 6,067 | $4.44M | 0.04% | +221+3.8% | Added |
| Mutual of America Capital Management LLC | 6,028 | $4.41M | 0.05% | −72−1.2% | Reduced |
| CIBC World Markets Corp | 6,023 | $4.41M | 0.03% | +211+3.6% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,007 | $4.39M | 0.04% | +59+1.0% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 5,987 | $4.38M | 0.01% | +5,960+22,074.1% | Added |
| PFG Advisors | 5,974 | $4.37M | 0.21% | +1,139+23.6% | Added |
| Private Advisor Group, LLC | 5,969 | $4.37M | 0.02% | +489+8.9% | Added |
| Wealthfront Advisers LLC | 5,928 | $4.34M | 0.01% | −791−11.8% | Reduced |
| Wasatch Advisors Inc | 5,801 | $4.24M | 0.02% | +739+14.6% | Added |
| Saturna Capital CORP | 5,774 | $4.22M | 0.06% | +4,156+256.9% | Added |
| Rathbone Brothers plc | 5,700 | $4.17M | 0.02% | +705+14.1% | Added |
| Mercer Global Advisors Inc | 5,692 | $4.16M | 0.01% | +605+11.9% | Added |
| Knollwood Investment Advisory, LLC | 5,685 | $4.16M | 0.40% | 00.0% | Unchanged |
| Carderock Capital Management Inc | 5,667 | $4.14M | 1.06% | −692−10.9% | Reduced |
| Mirabaud Asset Management Ltd | 5,627 | $4.14M | 1.93% | +781+16.1% | Added |
| Empowered Funds, LLC | 5,604 | $4.10M | 0.05% | +279+5.2% | Added |
| Bryn Mawr Trust Co | 5,589 | $4.09M | 0.07% | −11,940−68.1% | Reduced |
| Perpetual Ltd | 5,561 | $4.07M | 0.05% | −971−14.9% | Reduced |
| Yousif Capital Management, LLC | 5,527 | $4.04M | 0.04% | −31−0.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 5,497 | $4.02M | 0.01% | +614+12.6% | Added |
| D. E. Shaw & Co., Inc. | 5,427 | $3.97M | 0.00% | −1,850−25.4% | Reduced |
| State of Alaska, Department of Revenue | 5,384 | $3.94M | 0.04% | −220−3.9% | Reduced |
| Kornitzer Capital Management Inc | 5,227 | $3.82M | 0.08% | 00.0% | Unchanged |
| RFG Advisory, LLC | 5,216 | $3.81M | 0.09% | +180+3.6% | Added |
| Crossmark Global Holdings, Inc. | 5,181 | $3.79M | 0.06% | +726+16.3% | Added |
| Arrowstreet Capital, Limited Partnership | 5,177 | $3.79M | 0.00% | −7,854−60.3% | Reduced |
| Shell Asset Management Co | 5,164 | $3.78M | 0.13% | −1,863−26.5% | Reduced |
| Coldstream Capital Management Inc | 5,157 | $3.77M | 0.06% | +276+5.7% | Added |
| Bahl & Gaynor Inc | 5,157 | $3.77M | 0.02% | 00.0% | Unchanged |
| Jane Street Group, LLC | 5,072 | $3.71M | 0.01% | +4,050+396.3% | Added |
| OP Asset Management Ltd | 5,069 | $3.71M | 0.05% | −23−0.5% | Reduced |
| Parcion Private Wealth LLC | 5,053 | $3.70M | 0.26% | +5,053 | New |