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 2025
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 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
- 862
- +13 vs. Q4 2024
- Shares held
- 46.7M
- +400.1K (+0.9%) vs. Q4 2024
- Total value
- $27.0B
- −$340.6M (−1.2%) vs. Q4 2024
- New holders
- 123
- 331 more added
- Sold out
- 110
- 309 more reduced
15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Fund Management S.A. | 54,374 | $31.5M | 0.40% | −52,076−48.9% | Reduced |
| CIBC Private Wealth Group, LLC | 66,854 | $30.4M | 0.06% | −104,291−60.9% | Reduced |
| Whale Rock Capital Management LLC | 50,150 | $29.1M | 0.50% | +50,150 | New |
| Tairen Capital Ltd | 49,872 | $28.9M | 1.91% | +49,872 | New |
| Bamco Inc | 49,805 | $28.9M | 0.08% | +41,302+485.7% | Added |
| State Board of Administration of Florida Retirement System | 48,251 | $28.0M | 0.06% | −900−1.8% | Reduced |
| Ostrum Asset Management | 47,352 | $27.5M | 1.45% | +47,073+16,872.0% | Added |
| Bank of Montreal | 47,326 | $27.4M | 0.01% | +164+0.3% | Added |
| National Bank of Canada | 44,651 | $25.9M | 0.03% | −690−1.5% | Reduced |
| Vantage Investment Partners, LLC | 43,768 | $25.4M | 2.13% | +9,046+26.1% | Added |
| Zevenbergen Capital Investments LLC | 42,683 | $24.8M | 0.60% | −230−0.5% | Reduced |
| Vontobel Holding Ltd. | 42,583 | $24.7M | 0.09% | +3,730+9.6% | Added |
| Whittier Trust Co | 42,486 | $24.6M | 0.34% | +954+2.3% | Added |
| Eventide Asset Management, LLC | 42,231 | $24.5M | 0.49% | +24+0.1% | Added |
| Pembroke Management, LTD | 42,219 | $24.5M | 3.57% | +4,250+11.2% | Added |
| Andra AP-fonden | 41,819 | $24.3M | 0.40% | −3,881−8.5% | Reduced |
| Jennison Associates LLC | 41,639 | $24.1M | 0.02% | +3,628+9.5% | Added |
| Factory Mutual Insurance Co | 39,972 | $23.2M | 0.27% | +8,700+27.8% | Added |
| TD Asset Management Inc | 39,781 | $23.1M | 0.02% | +4,058+11.4% | Added |
| Clearbridge Investments, LLC | 39,120 | $22.7M | 0.02% | −13,626−25.8% | Reduced |
| Geneva Capital Management LLC | 38,388 | $22.3M | 0.42% | +2,049+5.6% | Added |
| New York State Teachers Retirement System | 37,962 | $22.0M | 0.05% | −3,546−8.5% | Reduced |
| Sapient Capital LLC | 37,824 | $22.0M | 0.43% | +95+0.3% | Added |
| RMB Capital Management, LLC | 36,951 | $21.5M | 0.53% | +1,768+5.0% | Added |
| Korea Investment CORP | 35,396 | $20.5M | 0.05% | −1,306−3.6% | Reduced |
| Standard Life Aberdeen plc | 36,289 | $20.3M | 0.04% | +19,403+114.9% | Added |
| Azimuth Capital Investment Management LLC | 34,031 | $19.7M | 0.79% | −363−1.1% | Reduced |
| Park National Corp | 33,634 | $19.5M | 0.72% | +33,634 | New |
| Public Employees Retirement Association of Colorado | 32,952 | $19.1M | 0.08% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 32,428 | $18.8M | 0.03% | +5,734+21.5% | Added |
| Quantinno Capital Management LP | 32,370 | $18.8M | 0.12% | +21,781+205.7% | Added |
| Royal London Asset Management Ltd | 31,073 | $18.0M | 0.04% | +2,239+7.8% | Added |
| Natixis | 31,658 | $17.8M | 0.11% | −28,817−47.7% | Reduced |
| Man Group plc | 29,555 | $17.1M | 0.05% | −31,147−51.3% | Reduced |
| Handelsbanken Fonder AB | 29,064 | $16.9M | 0.07% | −1,165−3.9% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 28,900 | $16.8M | 0.04% | −938−3.1% | Reduced |
| Parnassus Investments | 28,450 | $16.5M | 0.04% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 28,058 | $16.3M | 0.08% | −21,662−43.6% | Reduced |
| State of Wisconsin Investment Board | 27,465 | $15.9M | 0.04% | +580+2.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 27,383 | $15.9M | 0.03% | −7,990−22.6% | Reduced |
| Treasurer of the State of North Carolina | 26,474 | $15.4M | 0.06% | +853+3.3% | Added |
| Bank of Nova Scotia | 26,235 | $15.2M | 0.03% | −135,565−83.8% | Reduced |
| ProShare Advisors LLC | 26,065 | $15.1M | 0.03% | +8,319+46.9% | Added |
| Jupiter Asset Management Ltd | 26,001 | $15.1M | 0.14% | −689−2.6% | Reduced |
| Swiss Life Asset Management Ltd | 25,720 | $14.9M | 0.11% | +794+3.2% | Added |
| SG Americas Securities, LLC | 25,689 | $14.9M | 0.05% | +25,414+9,241.5% | Added |
| APG Asset Management N.V. | 27,607 | $14.8M | 0.05% | −928−3.3% | Reduced |
| Prudential Financial Inc | 25,116 | $14.6M | 0.02% | −124−0.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 25,081 | $14.5M | 0.05% | −773−3.0% | Reduced |
| Trexquant Investment LP | 24,705 | $14.3M | 0.17% | +8,999+57.3% | Added |
| Mediolanum International Funds Ltd | 24,582 | $14.3M | 0.20% | −4,423−15.2% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 24,164 | $14.0M | 0.24% | −2,144−8.1% | Reduced |
| New York State Common Retirement Fund | 23,906 | $13.9M | 0.02% | −500−2.0% | Reduced |
| Qube Research & Technologies Ltd | 23,426 | $13.6M | 0.02% | −61,752−72.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 23,351 | $13.5M | 0.03% | +6,217+36.3% | Added |
| Janney Montgomery Scott LLC | 23,107 | $13.4M | 0.04% | −655−2.8% | Reduced |
| Public Employees Retirement System of Ohio | 22,618 | $13.1M | 0.05% | +2,880+14.6% | Added |
| Glenmede Trust Co NA | 22,113 | $12.8M | 0.07% | −6,711−23.3% | Reduced |
| Copeland Capital Management, LLC | 21,985 | $12.8M | 0.26% | +2,260+11.5% | Added |
| DnB Asset Management AS | 21,902 | $12.7M | 0.06% | −530−2.4% | Reduced |
| Schroder Investment Management Group | 21,822 | $12.6M | 0.01% | +1,095+5.3% | Added |
| Whittier Trust Co of Nevada Inc | 21,721 | $12.6M | 0.32% | +859+4.1% | Added |
| Pinnacle Financial Partners Inc | 21,585 | $12.5M | 0.25% | +2,485+13.0% | Added |
| Arcadia Investment Management Corp | 21,075 | $12.2M | 2.21% | −1,040−4.7% | Reduced |
| Asset Management One Co.,Ltd. | 20,754 | $12.0M | 0.04% | +242+1.2% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 20,549 | $11.9M | 0.96% | +20,549 | New |
| Forsta Ap-Fonden | 20,300 | $11.8M | 0.09% | +9,900+95.2% | Added |
| Segall Bryant & Hamill, LLC | 20,253 | $11.7M | 0.18% | −5,643−21.8% | Reduced |
| Toronto Dominion Bank | 20,221 | $11.7M | 0.03% | +3,712+22.5% | Added |
| Capitolis Liquid Global Markets LLC | 20,162 | $11.7M | 0.10% | +20,162 | New |
| Robeco Institutional Asset Management B.V. | 19,959 | $11.6M | 0.02% | −13,018−39.5% | Reduced |
| Assetmark, Inc | 19,612 | $11.4M | 0.03% | −1,248−6.0% | Reduced |
| Danske Bank A/S | 19,438 | $11.3M | 0.03% | −4,774−19.7% | Reduced |
| Fred Alger Management, LLC | 18,808 | $10.9M | 0.06% | +1,415+8.1% | Added |
| Sanctuary Advisors, LLC | 18,696 | $10.8M | 0.08% | −4,420−19.1% | Reduced |
| Marshall Wace, LLP | 18,161 | $10.5M | 0.01% | −86,567−82.7% | Reduced |
| Credit Agricole S A | 17,882 | $10.4M | 0.04% | −57,760−76.4% | Reduced |
| Polar Capital Holdings Plc | 17,700 | $10.3M | 0.06% | +16,700+1,670.0% | Added |
| Teacher Retirement System of Texas | 17,637 | $10.2M | 0.04% | +17,181+3,767.8% | Added |
| Nissay Asset Management Corp | 17,561 | $10.2M | 0.07% | +1,111+6.8% | Added |
| Bryn Mawr Trust Co | 17,529 | $10.2M | 0.19% | −7,452−29.8% | Reduced |
| Mn Services Vermogensbeheer B.V. | 17,400 | $10.1M | 0.08% | −1,300−7.0% | Reduced |
| Silvercrest Asset Management Group LLC | 17,274 | $10.0M | 0.07% | +996+6.1% | Added |
| TownSquare Capital, LLC | 17,051 | $9.89M | 0.11% | +667+4.1% | Added |
| KLP Kapitalforvaltning AS | 16,750 | $9.74M | 0.05% | +300+1.8% | Added |
| Sit Investment Associates Inc | 16,591 | $9.62M | 0.23% | +79+0.5% | Added |
| Nomura Asset Management Co Ltd | 16,500 | $9.57M | 0.03% | +357+2.2% | Added |
| Gotham Asset Management, LLC | 16,360 | $9.49M | 0.08% | +978+6.4% | Added |
| State of New Jersey Common Pension Fund D | 16,318 | $9.46M | 0.04% | −1,323−7.5% | Reduced |
| CBOE Vest Financial, LLC | 16,293 | $9.45M | 0.15% | +15,948+4,622.6% | Added |
| Congress Wealth Management LLC | 16,256 | $9.43M | 0.11% | −2,180−11.8% | Reduced |
| Hancock Whitney Corp | 16,159 | $9.37M | 0.31% | +2,202+15.8% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 16,051 | $9.31M | 0.06% | −52−0.3% | Reduced |
| Moran Wealth Management, LLC | 15,788 | $9.16M | 0.31% | +109+0.7% | Added |
| Illinois Municipal Retirement Fund | 15,699 | $9.11M | 0.13% | −1,227−7.2% | Reduced |
| Point72 Hong Kong Ltd | 15,401 | $8.93M | 0.64% | +15,401 | New |
| State of Tennessee, Treasury Department | 15,353 | $8.90M | 0.03% | +3,508+29.6% | Added |
| Hantz Financial Services, Inc. | 15,017 | $8.71M | 0.15% | −583−3.7% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 14,877 | $8.63M | 1.12% | +9,500+176.7% | Added |
| KBC Group NV | 14,543 | $8.43M | 0.03% | −8,625−37.2% | Reduced |