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 |
|---|---|---|---|---|---|
| Nicholas Investment Partners, LP | 11,912 | $8.71M | 0.78% | +170+1.4% | Added |
| Polar Capital Holdings Plc | 12,050 | $8.81M | 0.05% | −5,650−31.9% | Reduced |
| Pathstone Holdings, LLC | 12,074 | $8.83M | 0.03% | −1,271−9.5% | Reduced |
| US Bancorp | 12,078 | $8.83M | 0.01% | −13−0.1% | Reduced |
| Fifth Third Bancorp | 12,621 | $9.23M | 0.03% | +3,216+34.2% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 12,716 | $9.30M | 0.67% | −7,833−38.1% | Reduced |
| Achmea Investment Management B.V. | 12,808 | $9.37M | 0.12% | 00.0% | Unchanged |
| ICICI Prudential Asset Management Co Ltd | 12,877 | $9.42M | 1.17% | −2,000−13.4% | Reduced |
| Silvant Capital Management LLC | 13,016 | $9.52M | 0.36% | +1,576+13.8% | Added |
| Engineers Gate Manager LP | 13,044 | $9.54M | 0.12% | +13,044 | New |
| Quest Investment Management LLC | 13,170 | $9.63M | 1.06% | −246−1.8% | Reduced |
| The PNC Financial Services Group, Inc. | 13,330 | $9.75M | 0.01% | +2,874+27.5% | Added |
| Arizona State Retirement System | 13,959 | $10.2M | 0.06% | −128−0.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 13,998 | $10.2M | 0.09% | +3,400+32.1% | Added |
| State of Michigan Retirement System | 14,170 | $10.4M | 0.05% | +400+2.9% | Added |
| Teacher Retirement System of Texas | 14,217 | $10.4M | 0.04% | −3,420−19.4% | Reduced |
| MetLife Investment Management | 14,282 | $10.4M | 0.06% | −171−1.2% | Reduced |
| Hantz Financial Services, Inc. | 14,298 | $10.5M | 0.17% | −719−4.8% | Reduced |
| Lazard Asset Management LLC | 14,371 | $10.5M | 0.01% | +2,272+18.8% | Added |
| Meeder Asset Management Inc | 14,576 | $10.7M | 0.65% | +14,507+21,024.6% | Added |
| Creative Planning | 14,590 | $10.7M | 0.01% | +4,374+42.8% | Added |
| Meridiem Capital Partners LP | 15,100 | $11.0M | 0.80% | +3,116+26.0% | Added |
| Millennium Management LLC | 15,532 | $11.4M | 0.01% | −132,971−89.5% | Reduced |
| Moran Wealth Management, LLC | 15,748 | $11.5M | 0.36% | −40−0.3% | Reduced |
| State of New Jersey Common Pension Fund D | 16,016 | $11.7M | 0.05% | −302−1.9% | Reduced |
| Congress Wealth Management LLC | 16,227 | $11.9M | 0.12% | −29−0.2% | Reduced |
| State of Tennessee, Treasury Department | 16,303 | $11.9M | 0.04% | +950+6.2% | Added |
| Sit Investment Associates Inc | 16,591 | $12.1M | 0.26% | 00.0% | Unchanged |
| GDS Wealth Management | 16,885 | $12.3M | 0.90% | +3,002+21.6% | Added |
| KLP Kapitalforvaltning AS | 17,100 | $12.5M | 0.05% | +350+2.1% | Added |
| KBC Group NV | 17,313 | $12.7M | 0.03% | +2,770+19.0% | Added |
| Silvercrest Asset Management Group LLC | 17,321 | $12.7M | 0.09% | +47+0.3% | Added |
| Fred Alger Management, LLC | 18,202 | $13.3M | 0.06% | −606−3.2% | Reduced |
| Mn Services Vermogensbeheer B.V. | 18,300 | $13.4M | 0.09% | +900+5.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 18,494 | $13.5M | 0.06% | −9,564−34.1% | Reduced |
| Nissay Asset Management Corp | 18,929 | $13.8M | 0.08% | +1,368+7.8% | Added |
| Sanctuary Advisors, LLC | 19,015 | $13.9M | 0.09% | +319+1.7% | Added |
| Moore Capital Management, LP | 20,000 | $14.6M | 0.29% | +20,000 | New |
| Davidson Kempner Capital Management LP | 20,000 | $14.6M | 0.22% | +20,000 | New |
| Avalon Global Asset Management LLC | 20,000 | $14.6M | 4.12% | +20,000 | New |
| Gotham Asset Management, LLC | 20,135 | $14.7M | 0.09% | +3,775+23.1% | Added |
| Arcadia Investment Management Corp | 20,247 | $14.8M | 2.37% | −828−3.9% | Reduced |
| Assetmark, Inc | 20,581 | $15.1M | 0.04% | +969+4.9% | Added |
| Asset Management One Co.,Ltd. | 21,468 | $15.7M | 0.05% | +714+3.4% | Added |
| Copeland Capital Management, LLC | 21,503 | $15.7M | 0.32% | −482−2.2% | Reduced |
| SG Americas Securities, LLC | 21,718 | $15.9M | 0.07% | −3,971−15.5% | Reduced |
| Danske Bank A/S | 21,832 | $16.0M | 0.04% | +2,394+12.3% | Added |
| Vident Advisory, LLC | 22,066 | $16.1M | 0.18% | +18,056+450.3% | Added |
| Glenmede Investment Management, LP | 22,280 | $16.3M | 0.08% | +22,280 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 22,228 | $16.3M | 0.03% | −1,123−4.8% | Reduced |
| Janney Montgomery Scott LLC | 22,346 | $16.3M | 0.04% | −761−3.3% | Reduced |
| Whittier Trust Co of Nevada Inc | 22,478 | $16.4M | 0.37% | +757+3.5% | Added |
| Schroder Investment Management Group | 23,350 | $17.1M | 0.01% | +1,528+7.0% | Added |
| New York State Common Retirement Fund | 23,406 | $17.1M | 0.02% | −500−2.1% | Reduced |
| Public Employees Retirement System of Ohio | 23,944 | $17.5M | 0.06% | +1,326+5.9% | Added |
| APG Asset Management N.V. | 28,494 | $17.8M | 0.05% | +887+3.2% | Added |
| Toronto Dominion Bank | 24,329 | $17.8M | 0.04% | +4,108+20.3% | Added |
| Korea Investment CORP | 25,024 | $18.3M | 0.04% | −10,372−29.3% | Reduced |
| DnB Asset Management AS | 25,066 | $18.3M | 0.08% | +3,164+14.4% | Added |
| Chevy Chase Trust Holdings, Inc. | 25,304 | $18.5M | 0.05% | +223+0.9% | Added |
| State of Wisconsin Investment Board | 25,509 | $18.7M | 0.05% | −1,956−7.1% | Reduced |
| Pinnacle Financial Partners Inc | 25,954 | $19.0M | 0.40% | +4,369+20.2% | Added |
| Los Angeles Capital Management LLC | 26,413 | $19.3M | 0.07% | +21,401+427.0% | Added |
| Man Group plc | 26,761 | $19.6M | 0.04% | −2,794−9.5% | Reduced |
| Forsta Ap-Fonden | 26,900 | $19.7M | 0.13% | +6,600+32.5% | Added |
| Russell Investments Group, Ltd. | 27,092 | $19.8M | 0.03% | −5,336−16.5% | Reduced |
| Mediolanum International Funds Ltd | 26,950 | $19.8M | 0.24% | +2,368+9.6% | Added |
| Bank of Nova Scotia | 27,365 | $20.0M | 0.04% | +1,130+4.3% | Added |
| Parnassus Investments | 27,712 | $20.3M | 0.05% | −738−2.6% | Reduced |
| Prudential Financial Inc | 27,892 | $20.4M | 0.03% | +2,776+11.1% | Added |
| ProShare Advisors LLC | 28,431 | $20.8M | 0.04% | +2,366+9.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 28,802 | $21.1M | 0.05% | −98−0.3% | Reduced |
| Royal London Asset Management Ltd | 29,391 | $21.5M | 0.05% | −1,682−5.4% | Reduced |
| Handelsbanken Fonder AB | 29,963 | $21.9M | 0.08% | +899+3.1% | Added |
| Capital Fund Management S.A. | 30,545 | $22.3M | 0.25% | −23,829−43.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 31,247 | $22.9M | 0.04% | +3,864+14.1% | Added |
| Swiss Life Asset Management Ltd | 31,807 | $23.3M | 0.14% | +6,087+23.7% | Added |
| CBOE Vest Financial, LLC | 32,385 | $23.7M | 0.34% | +16,092+98.8% | Added |
| Natixis | 32,539 | $23.8M | 0.12% | +881+2.8% | Added |
| Public Employees Retirement Association of Colorado | 32,718 | $23.9M | 0.09% | −234−0.7% | Reduced |
| Azimuth Capital Investment Management LLC | 33,797 | $24.7M | 0.92% | −234−0.7% | Reduced |
| Public Sector Pension Investment Board | 34,031 | $24.9M | 0.11% | +26,748+367.3% | Added |
| Aviva PLC | 35,702 | $26.1M | 0.05% | +32,918+1,182.4% | Added |
| Treasurer of the State of North Carolina | 35,789 | $26.2M | 0.08% | +9,315+35.2% | Added |
| Sapient Capital LLC | 36,924 | $27.1M | 0.48% | −900−2.4% | Reduced |
| Standard Life Aberdeen plc | 37,889 | $28.0M | 0.05% | +1,600+4.4% | Added |
| National Bank of Canada | 38,362 | $28.1M | 0.03% | −6,289−14.1% | Reduced |
| Vontobel Holding Ltd. | 38,660 | $28.3M | 0.09% | −3,923−9.2% | Reduced |
| RMB Capital Management, LLC | 38,923 | $28.5M | 0.54% | +1,972+5.3% | Added |
| Segall Bryant & Hamill, LLC | 39,327 | $28.8M | 0.40% | +19,074+94.2% | Added |
| Swedbank AB | 39,444 | $28.8M | 0.03% | +39,444 | New |
| New York State Teachers Retirement System | 39,705 | $29.0M | 0.06% | +1,743+4.6% | Added |
| Factory Mutual Insurance Co | 39,972 | $29.2M | 0.32% | 00.0% | Unchanged |
| Park National Corp | 41,113 | $30.1M | 0.99% | +7,479+22.2% | Added |
| AQR Capital Management LLC | 41,444 | $30.3M | 0.03% | −31,793−43.4% | Reduced |
| Ostrum Asset Management | 41,816 | $30.6M | 1.43% | −5,536−11.7% | Reduced |
| Eventide Asset Management, LLC | 42,299 | $30.9M | 0.54% | +68+0.2% | Added |
| Zevenbergen Capital Investments LLC | 42,428 | $31.0M | 0.61% | −255−0.6% | Reduced |
| Quantinno Capital Management LP | 42,969 | $31.4M | 0.14% | +10,599+32.7% | Added |
| Geneva Capital Management LLC | 43,461 | $31.8M | 0.53% | +5,073+13.2% | Added |