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 9 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 |
|---|---|---|---|---|---|
| Schroder Investment Management Group | 21,822 | $12.6M | 0.01% | +1,095+5.3% | Added |
| DnB Asset Management AS | 21,902 | $12.7M | 0.06% | −530−2.4% | Reduced |
| Copeland Capital Management, LLC | 21,985 | $12.8M | 0.26% | +2,260+11.5% | Added |
| Glenmede Trust Co NA | 22,113 | $12.8M | 0.07% | −6,711−23.3% | Reduced |
| Public Employees Retirement System of Ohio | 22,618 | $13.1M | 0.05% | +2,880+14.6% | Added |
| Janney Montgomery Scott LLC | 23,107 | $13.4M | 0.04% | −655−2.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 23,351 | $13.5M | 0.03% | +6,217+36.3% | Added |
| Qube Research & Technologies Ltd | 23,426 | $13.6M | 0.02% | −61,752−72.5% | Reduced |
| New York State Common Retirement Fund | 23,906 | $13.9M | 0.02% | −500−2.0% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 24,164 | $14.0M | 0.24% | −2,144−8.1% | Reduced |
| Mediolanum International Funds Ltd | 24,582 | $14.3M | 0.20% | −4,423−15.2% | Reduced |
| Trexquant Investment LP | 24,705 | $14.3M | 0.17% | +8,999+57.3% | Added |
| Chevy Chase Trust Holdings, Inc. | 25,081 | $14.5M | 0.05% | −773−3.0% | Reduced |
| Prudential Financial Inc | 25,116 | $14.6M | 0.02% | −124−0.5% | Reduced |
| APG Asset Management N.V. | 27,607 | $14.8M | 0.05% | −928−3.3% | Reduced |
| SG Americas Securities, LLC | 25,689 | $14.9M | 0.05% | +25,414+9,241.5% | Added |
| Swiss Life Asset Management Ltd | 25,720 | $14.9M | 0.11% | +794+3.2% | Added |
| Jupiter Asset Management Ltd | 26,001 | $15.1M | 0.14% | −689−2.6% | Reduced |
| ProShare Advisors LLC | 26,065 | $15.1M | 0.03% | +8,319+46.9% | Added |
| Bank of Nova Scotia | 26,235 | $15.2M | 0.03% | −135,565−83.8% | Reduced |
| Treasurer of the State of North Carolina | 26,474 | $15.4M | 0.06% | +853+3.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 27,383 | $15.9M | 0.03% | −7,990−22.6% | Reduced |
| State of Wisconsin Investment Board | 27,465 | $15.9M | 0.04% | +580+2.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 28,058 | $16.3M | 0.08% | −21,662−43.6% | Reduced |
| Parnassus Investments | 28,450 | $16.5M | 0.04% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 28,900 | $16.8M | 0.04% | −938−3.1% | Reduced |
| Handelsbanken Fonder AB | 29,064 | $16.9M | 0.07% | −1,165−3.9% | Reduced |
| Man Group plc | 29,555 | $17.1M | 0.05% | −31,147−51.3% | Reduced |
| Natixis | 31,658 | $17.8M | 0.11% | −28,817−47.7% | Reduced |
| Royal London Asset Management Ltd | 31,073 | $18.0M | 0.04% | +2,239+7.8% | Added |
| Quantinno Capital Management LP | 32,370 | $18.8M | 0.12% | +21,781+205.7% | Added |
| Russell Investments Group, Ltd. | 32,428 | $18.8M | 0.03% | +5,734+21.5% | Added |
| Public Employees Retirement Association of Colorado | 32,952 | $19.1M | 0.08% | 00.0% | Unchanged |
| Park National Corp | 33,634 | $19.5M | 0.72% | +33,634 | New |
| Azimuth Capital Investment Management LLC | 34,031 | $19.7M | 0.79% | −363−1.1% | Reduced |
| Standard Life Aberdeen plc | 36,289 | $20.3M | 0.04% | +19,403+114.9% | Added |
| Korea Investment CORP | 35,396 | $20.5M | 0.05% | −1,306−3.6% | Reduced |
| RMB Capital Management, LLC | 36,951 | $21.5M | 0.53% | +1,768+5.0% | Added |
| Sapient Capital LLC | 37,824 | $22.0M | 0.43% | +95+0.3% | Added |
| New York State Teachers Retirement System | 37,962 | $22.0M | 0.05% | −3,546−8.5% | Reduced |
| Geneva Capital Management LLC | 38,388 | $22.3M | 0.42% | +2,049+5.6% | Added |
| Clearbridge Investments, LLC | 39,120 | $22.7M | 0.02% | −13,626−25.8% | Reduced |
| TD Asset Management Inc | 39,781 | $23.1M | 0.02% | +4,058+11.4% | Added |
| Factory Mutual Insurance Co | 39,972 | $23.2M | 0.27% | +8,700+27.8% | Added |
| Jennison Associates LLC | 41,639 | $24.1M | 0.02% | +3,628+9.5% | Added |
| Andra AP-fonden | 41,819 | $24.3M | 0.40% | −3,881−8.5% | Reduced |
| Pembroke Management, LTD | 42,219 | $24.5M | 3.57% | +4,250+11.2% | Added |
| Eventide Asset Management, LLC | 42,231 | $24.5M | 0.49% | +24+0.1% | Added |
| Whittier Trust Co | 42,486 | $24.6M | 0.34% | +954+2.3% | Added |
| Vontobel Holding Ltd. | 42,583 | $24.7M | 0.09% | +3,730+9.6% | Added |
| Zevenbergen Capital Investments LLC | 42,683 | $24.8M | 0.60% | −230−0.5% | Reduced |
| Vantage Investment Partners, LLC | 43,768 | $25.4M | 2.13% | +9,046+26.1% | Added |
| National Bank of Canada | 44,651 | $25.9M | 0.03% | −690−1.5% | Reduced |
| Bank of Montreal | 47,326 | $27.4M | 0.01% | +164+0.3% | Added |
| Ostrum Asset Management | 47,352 | $27.5M | 1.45% | +47,073+16,872.0% | Added |
| State Board of Administration of Florida Retirement System | 48,251 | $28.0M | 0.06% | −900−1.8% | Reduced |
| Bamco Inc | 49,805 | $28.9M | 0.08% | +41,302+485.7% | Added |
| Tairen Capital Ltd | 49,872 | $28.9M | 1.91% | +49,872 | New |
| Whale Rock Capital Management LLC | 50,150 | $29.1M | 0.50% | +50,150 | New |
| CIBC Private Wealth Group, LLC | 66,854 | $30.4M | 0.06% | −104,291−60.9% | Reduced |
| Capital Fund Management S.A. | 54,374 | $31.5M | 0.40% | −52,076−48.9% | Reduced |
| Freestone Grove Partners LP | 56,961 | $33.0M | 0.34% | +30,210+112.9% | Added |
| Canada Pension Plan Investment Board | 57,342 | $33.3M | 0.03% | −97,831−63.0% | Reduced |
| CI Private Wealth, LLC | 58,034 | $33.7M | 0.06% | −9,660−14.3% | Reduced |
| Great West Life Assurance Co | 62,556 | $36.3M | 0.06% | −6,435−9.3% | Reduced |
| Susquehanna International Group, LLP | 64,842 | $37.6M | 0.06% | +13,131+25.4% | Added |
| Wells Fargo & Company | 68,714 | $39.9M | 0.01% | −662−1.0% | Reduced |
| AXA S.A. | 70,750 | $41.0M | 0.13% | +10,592+17.6% | Added |
| AQR Capital Management LLC | 73,237 | $41.4M | 0.04% | −15,396−17.4% | Reduced |
| Grandeur Peak Global Advisors, LLC | 72,264 | $41.9M | 4.65% | +10,148+16.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 73,624 | $42.7M | 0.12% | +18,985+34.7% | Added |
| California State Teachers Retirement System | 74,094 | $43.0M | 0.05% | −803−1.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 74,774 | $43.4M | 0.18% | +6,217+9.1% | Added |
| National Pension Service | 76,584 | $44.4M | 0.04% | +10,108+15.2% | Added |
| Candriam Luxembourg S.C.A. | 76,651 | $44.5M | 0.28% | +25,859+50.9% | Added |
| Resona Asset Management Co.,Ltd. | 81,537 | $47.3M | 0.27% | +359+0.4% | Added |
| Allianz Asset Management GmbH | 82,963 | $48.1M | 0.07% | −80,102−49.1% | Reduced |
| Stifel Financial Corp | 83,267 | $48.3M | 0.05% | +6,278+8.2% | Added |
| Victory Capital Management Inc | 92,182 | $53.5M | 0.05% | −44,745−32.7% | Reduced |
| Panagora Asset Management Inc | 94,479 | $54.8M | 0.27% | +25,533+37.0% | Added |
| Balyasny Asset Management LLC | 95,000 | $55.1M | 0.14% | −31,249−24.8% | Reduced |
| California Public Employees Retirement System | 96,112 | $55.7M | 0.04% | +14,954+18.4% | Added |
| Amundi | 105,612 | $56.4M | 0.02% | +13,424+14.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 99,173 | $57.5M | 0.05% | +20,625+26.3% | Added |
| Caisse de Depot Et Placement du Quebec | 99,191 | $57.5M | 0.12% | −40,398−28.9% | Reduced |
| Neuberger Berman Group LLC | 102,726 | $59.6M | 0.05% | −37,645−26.8% | Reduced |
| Janus Henderson Group PLC | 105,613 | $61.3M | 0.03% | +99,668+1,676.5% | Added |
| Baird Financial Group, Inc. | 108,532 | $62.9M | 0.12% | −54,373−33.4% | Reduced |
| FIL Ltd | 110,587 | $64.1M | 0.06% | +109,989+18,392.8% | Added |
| LPL Financial LLC | 112,122 | $65.0M | 0.03% | +3,379+3.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 112,680 | $65.4M | 0.05% | +289+0.3% | Added |
| STRS Ohio | 114,000 | $66.1M | 0.28% | 00.0% | Unchanged |
| Robeco Schweiz AG | 116,046 | $67.3M | 1.66% | +5,819+5.3% | Added |
| Adage Capital Partners GP, L.L.C. | 116,100 | $67.3M | 0.12% | +22,500+24.0% | Added |
| EULAV Asset Management | 116,276 | $67.4M | 1.67% | +20.0% | Added |
| Rhumbline Advisers | 116,467 | $67.5M | 0.06% | +8,693+8.1% | Added |
| Congress Asset Management Co | 122,660 | $71.1M | 0.53% | −8,042−6.2% | Reduced |
| Manufacturers Life Insurance Company, The | 123,431 | $71.6M | 0.07% | −22,522−15.4% | Reduced |
| Frontier Capital Management Co LLC | 128,722 | $74.7M | 0.82% | −20,731−13.9% | Reduced |
| Rokos Capital Management LLP | 129,357 | $75.0M | 2.04% | −51,487−28.5% | Reduced |