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 |
|---|---|---|---|---|---|
| Bank of Montreal | 51,189 | $37.4M | 0.02% | +3,863+8.2% | Added |
| Bamco Inc | 51,020 | $37.3M | 0.10% | +1,215+2.4% | Added |
| Jennison Associates LLC | 50,684 | $37.1M | 0.02% | +9,045+21.7% | Added |
| State Board of Administration of Florida Retirement System | 48,350 | $35.4M | 0.06% | +99+0.2% | Added |
| Twinbeech Capital LP | 48,016 | $35.1M | 0.80% | +48,016 | New |
| Vantage Investment Partners, LLC | 47,536 | $34.8M | 2.53% | +3,768+8.6% | Added |
| Whittier Trust Co | 43,523 | $31.8M | 0.38% | +1,037+2.4% | Added |
| Geneva Capital Management LLC | 43,461 | $31.8M | 0.53% | +5,073+13.2% | Added |
| Quantinno Capital Management LP | 42,969 | $31.4M | 0.14% | +10,599+32.7% | Added |
| Zevenbergen Capital Investments LLC | 42,428 | $31.0M | 0.61% | −255−0.6% | Reduced |
| Eventide Asset Management, LLC | 42,299 | $30.9M | 0.54% | +68+0.2% | Added |
| Ostrum Asset Management | 41,816 | $30.6M | 1.43% | −5,536−11.7% | Reduced |
| AQR Capital Management LLC | 41,444 | $30.3M | 0.03% | −31,793−43.4% | Reduced |
| Park National Corp | 41,113 | $30.1M | 0.99% | +7,479+22.2% | Added |
| Factory Mutual Insurance Co | 39,972 | $29.2M | 0.32% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 39,705 | $29.0M | 0.06% | +1,743+4.6% | Added |
| Swedbank AB | 39,444 | $28.8M | 0.03% | +39,444 | New |
| Segall Bryant & Hamill, LLC | 39,327 | $28.8M | 0.40% | +19,074+94.2% | Added |
| RMB Capital Management, LLC | 38,923 | $28.5M | 0.54% | +1,972+5.3% | Added |
| Vontobel Holding Ltd. | 38,660 | $28.3M | 0.09% | −3,923−9.2% | Reduced |
| National Bank of Canada | 38,362 | $28.1M | 0.03% | −6,289−14.1% | Reduced |
| Standard Life Aberdeen plc | 37,889 | $28.0M | 0.05% | +1,600+4.4% | Added |
| Sapient Capital LLC | 36,924 | $27.1M | 0.48% | −900−2.4% | Reduced |
| Treasurer of the State of North Carolina | 35,789 | $26.2M | 0.08% | +9,315+35.2% | Added |
| Aviva PLC | 35,702 | $26.1M | 0.05% | +32,918+1,182.4% | Added |
| Public Sector Pension Investment Board | 34,031 | $24.9M | 0.11% | +26,748+367.3% | Added |
| Azimuth Capital Investment Management LLC | 33,797 | $24.7M | 0.92% | −234−0.7% | Reduced |
| Public Employees Retirement Association of Colorado | 32,718 | $23.9M | 0.09% | −234−0.7% | Reduced |
| Natixis | 32,539 | $23.8M | 0.12% | +881+2.8% | Added |
| CBOE Vest Financial, LLC | 32,385 | $23.7M | 0.34% | +16,092+98.8% | Added |
| Swiss Life Asset Management Ltd | 31,807 | $23.3M | 0.14% | +6,087+23.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 31,247 | $22.9M | 0.04% | +3,864+14.1% | Added |
| Capital Fund Management S.A. | 30,545 | $22.3M | 0.25% | −23,829−43.8% | Reduced |
| Handelsbanken Fonder AB | 29,963 | $21.9M | 0.08% | +899+3.1% | Added |
| Royal London Asset Management Ltd | 29,391 | $21.5M | 0.05% | −1,682−5.4% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 28,802 | $21.1M | 0.05% | −98−0.3% | Reduced |
| ProShare Advisors LLC | 28,431 | $20.8M | 0.04% | +2,366+9.1% | Added |
| Prudential Financial Inc | 27,892 | $20.4M | 0.03% | +2,776+11.1% | Added |
| Parnassus Investments | 27,712 | $20.3M | 0.05% | −738−2.6% | Reduced |
| Bank of Nova Scotia | 27,365 | $20.0M | 0.04% | +1,130+4.3% | Added |
| Mediolanum International Funds Ltd | 26,950 | $19.8M | 0.24% | +2,368+9.6% | Added |
| Russell Investments Group, Ltd. | 27,092 | $19.8M | 0.03% | −5,336−16.5% | Reduced |
| Forsta Ap-Fonden | 26,900 | $19.7M | 0.13% | +6,600+32.5% | Added |
| Man Group plc | 26,761 | $19.6M | 0.04% | −2,794−9.5% | Reduced |
| Los Angeles Capital Management LLC | 26,413 | $19.3M | 0.07% | +21,401+427.0% | Added |
| Pinnacle Financial Partners Inc | 25,954 | $19.0M | 0.40% | +4,369+20.2% | Added |
| State of Wisconsin Investment Board | 25,509 | $18.7M | 0.05% | −1,956−7.1% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 25,304 | $18.5M | 0.05% | +223+0.9% | Added |
| DnB Asset Management AS | 25,066 | $18.3M | 0.08% | +3,164+14.4% | Added |
| Korea Investment CORP | 25,024 | $18.3M | 0.04% | −10,372−29.3% | Reduced |
| Toronto Dominion Bank | 24,329 | $17.8M | 0.04% | +4,108+20.3% | Added |
| APG Asset Management N.V. | 28,494 | $17.8M | 0.05% | +887+3.2% | Added |
| Public Employees Retirement System of Ohio | 23,944 | $17.5M | 0.06% | +1,326+5.9% | Added |
| New York State Common Retirement Fund | 23,406 | $17.1M | 0.02% | −500−2.1% | Reduced |
| Schroder Investment Management Group | 23,350 | $17.1M | 0.01% | +1,528+7.0% | Added |
| Whittier Trust Co of Nevada Inc | 22,478 | $16.4M | 0.37% | +757+3.5% | Added |
| Janney Montgomery Scott LLC | 22,346 | $16.3M | 0.04% | −761−3.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 22,228 | $16.3M | 0.03% | −1,123−4.8% | Reduced |
| Glenmede Investment Management, LP | 22,280 | $16.3M | 0.08% | +22,280 | New |
| Vident Advisory, LLC | 22,066 | $16.1M | 0.18% | +18,056+450.3% | Added |
| Danske Bank A/S | 21,832 | $16.0M | 0.04% | +2,394+12.3% | Added |
| SG Americas Securities, LLC | 21,718 | $15.9M | 0.07% | −3,971−15.5% | Reduced |
| Copeland Capital Management, LLC | 21,503 | $15.7M | 0.32% | −482−2.2% | Reduced |
| Asset Management One Co.,Ltd. | 21,468 | $15.7M | 0.05% | +714+3.4% | Added |
| Assetmark, Inc | 20,581 | $15.1M | 0.04% | +969+4.9% | Added |
| Arcadia Investment Management Corp | 20,247 | $14.8M | 2.37% | −828−3.9% | Reduced |
| Gotham Asset Management, LLC | 20,135 | $14.7M | 0.09% | +3,775+23.1% | Added |
| Avalon Global Asset Management LLC | 20,000 | $14.6M | 4.12% | +20,000 | New |
| 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 |
| Sanctuary Advisors, LLC | 19,015 | $13.9M | 0.09% | +319+1.7% | Added |
| Nissay Asset Management Corp | 18,929 | $13.8M | 0.08% | +1,368+7.8% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 18,494 | $13.5M | 0.06% | −9,564−34.1% | Reduced |
| Mn Services Vermogensbeheer B.V. | 18,300 | $13.4M | 0.09% | +900+5.2% | Added |
| Fred Alger Management, LLC | 18,202 | $13.3M | 0.06% | −606−3.2% | Reduced |
| Silvercrest Asset Management Group LLC | 17,321 | $12.7M | 0.09% | +47+0.3% | Added |
| KBC Group NV | 17,313 | $12.7M | 0.03% | +2,770+19.0% | Added |
| KLP Kapitalforvaltning AS | 17,100 | $12.5M | 0.05% | +350+2.1% | Added |
| GDS Wealth Management | 16,885 | $12.3M | 0.90% | +3,002+21.6% | Added |
| Sit Investment Associates Inc | 16,591 | $12.1M | 0.26% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 16,303 | $11.9M | 0.04% | +950+6.2% | Added |
| Congress Wealth Management LLC | 16,227 | $11.9M | 0.12% | −29−0.2% | Reduced |
| State of New Jersey Common Pension Fund D | 16,016 | $11.7M | 0.05% | −302−1.9% | Reduced |
| Moran Wealth Management, LLC | 15,748 | $11.5M | 0.36% | −40−0.3% | Reduced |
| Millennium Management LLC | 15,532 | $11.4M | 0.01% | −132,971−89.5% | Reduced |
| Meridiem Capital Partners LP | 15,100 | $11.0M | 0.80% | +3,116+26.0% | Added |
| Creative Planning | 14,590 | $10.7M | 0.01% | +4,374+42.8% | Added |
| Meeder Asset Management Inc | 14,576 | $10.7M | 0.65% | +14,507+21,024.6% | Added |
| Lazard Asset Management LLC | 14,371 | $10.5M | 0.01% | +2,272+18.8% | Added |
| Hantz Financial Services, Inc. | 14,298 | $10.5M | 0.17% | −719−4.8% | Reduced |
| MetLife Investment Management | 14,282 | $10.4M | 0.06% | −171−1.2% | Reduced |
| Teacher Retirement System of Texas | 14,217 | $10.4M | 0.04% | −3,420−19.4% | Reduced |
| State of Michigan Retirement System | 14,170 | $10.4M | 0.05% | +400+2.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 13,998 | $10.2M | 0.09% | +3,400+32.1% | Added |
| Arizona State Retirement System | 13,959 | $10.2M | 0.06% | −128−0.9% | Reduced |
| The PNC Financial Services Group, Inc. | 13,330 | $9.75M | 0.01% | +2,874+27.5% | Added |
| Quest Investment Management LLC | 13,170 | $9.63M | 1.06% | −246−1.8% | Reduced |
| Engineers Gate Manager LP | 13,044 | $9.54M | 0.12% | +13,044 | New |
| Silvant Capital Management LLC | 13,016 | $9.52M | 0.36% | +1,576+13.8% | Added |
| ICICI Prudential Asset Management Co Ltd | 12,877 | $9.42M | 1.17% | −2,000−13.4% | Reduced |