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, Q3 2021
Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2021. 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
- 579
- +51 vs. Q2 2021
- Shares held
- 43.5M
- +487.7K (+1.1%) vs. Q2 2021
- Total value
- $21.1B
- +$5.02B (+31.3%) vs. Q2 2021
- New holders
- 92
- 183 more added
- Sold out
- 41
- 222 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Level Four Advisory Services, LLC | 11,582 | $5.61M | 0.58% | −217−1.8% | Reduced |
| Comerica Bank | 11,356 | $5.80M | 0.03% | −2,283−16.7% | Reduced |
| Guggenheim Capital LLC | 12,059 | $5.84M | 0.04% | −1,347−10.0% | Reduced |
| Covenant Asset Management, LLC | 12,066 | $5.85M | 1.74% | −106−0.9% | Reduced |
| Arizona State Retirement System | 12,198 | $5.91M | 0.05% | +43+0.4% | Added |
| Synovus Financial Corp | 12,258 | $5.92M | 0.06% | −1,934−13.6% | Reduced |
| ClariVest Asset Management LLC | 12,350 | $5.99M | 0.19% | −600−4.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,928 | $6.27M | 0.03% | −506−3.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 13,067 | $6.33M | 0.01% | +210+1.6% | Added |
| USS Investment Management Ltd | 13,297 | $6.44M | 0.06% | +9,497+249.9% | Added |
| ProShare Advisors LLC | 13,305 | $6.45M | 0.02% | +342+2.6% | Added |
| Acadian Asset Management LLC | 13,380 | $6.48M | 0.02% | +10,927+445.5% | Added |
| Vontobel Holding Ltd. | 13,538 | $6.56M | 0.06% | −2,260−14.3% | Reduced |
| American International Group, Inc. | 13,551 | $6.57M | 0.04% | −192−1.4% | Reduced |
| Standard Life Aberdeen plc | 13,657 | $6.67M | 0.02% | −675−4.7% | Reduced |
| Oppenheimer Asset Management Inc. | 14,308 | $6.93M | 0.10% | −1,534−9.7% | Reduced |
| Driehaus Capital Management LLC | 14,439 | $7.00M | 0.08% | +14,439 | New |
| Retirement Systems of Alabama | 14,823 | $7.18M | 0.03% | −910−5.8% | Reduced |
| Nomura Asset Management Co Ltd | 14,837 | $7.19M | 0.04% | +2,712+22.4% | Added |
| Zevenbergen Capital Investments LLC | 14,890 | $7.22M | 0.14% | −100−0.7% | Reduced |
| Royal London Asset Management Ltd | 14,921 | $7.23M | 0.03% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 15,105 | $7.32M | 0.19% | −3,380−18.3% | Reduced |
| Westwood Holdings Group Inc. | 15,156 | $7.35M | 0.08% | −2,623−14.8% | Reduced |
| Taylor Frigon Capital Management LLC | 15,717 | $7.62M | 2.46% | −99−0.6% | Reduced |
| M&G Investment Management Ltd | 15,817 | $7.67M | 0.04% | −8,465−34.9% | Reduced |
| Amalgamated Bank | 15,843 | $7.68M | 0.06% | −462−2.8% | Reduced |
| Treasurer of the State of North Carolina | 16,148 | $7.83M | 0.05% | +549+3.5% | Added |
| Great West Life Assurance Co | 16,733 | $8.17M | 0.02% | −2,957−15.0% | Reduced |
| Susquehanna International Group, LLP | 17,628 | $8.54M | 0.01% | +6,971+65.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 18,017 | $8.73M | 0.04% | +2,154+13.6% | Added |
| Stifel Financial Corp | 18,100 | $8.77M | 0.01% | +602+3.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 19,470 | $9.44M | 0.02% | +6,731+52.8% | Added |
| Robeco Institutional Asset Management B.V. | 19,549 | $9.47M | 0.02% | −2,082−9.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 20,067 | $9.73M | 0.40% | −231−1.1% | Reduced |
| 1832 Asset Management L.P. | 20,000 | $9.75M | 0.02% | +20,000 | New |
| Advisor Group Holdings, Inc. | 20,189 | $9.79M | 0.02% | +578+2.9% | Added |
| Aviva PLC | 20,250 | $9.81M | 0.04% | +3,103+18.1% | Added |
| Analog Century Management LP | 20,300 | $9.84M | 3.41% | +1,300+6.8% | Added |
| US Bancorp | 20,930 | $10.1M | 0.02% | −768−3.5% | Reduced |
| Westpac Banking Corp | 21,460 | $10.4M | 0.11% | −1,612−7.0% | Reduced |
| EULAV Asset Management | 21,565 | $10.5M | 0.28% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 21,910 | $10.6M | 0.07% | −5,188−19.1% | Reduced |
| Schroder Investment Management Group | 22,785 | $11.0M | 0.02% | −8,726−27.7% | Reduced |
| Summit Creek Advisors LLC | 23,536 | $11.4M | 1.21% | +1,901+8.8% | Added |
| Asset Management One Co.,Ltd. | 24,066 | $11.7M | 0.04% | +451+1.9% | Added |
| Snowden Capital Advisors LLC | 24,345 | $11.8M | 0.59% | −490−2.0% | Reduced |
| Eaton Vance Management | 25,496 | $11.9M | 0.02% | −341−1.3% | Reduced |
| Man Group plc | 24,646 | $11.9M | 0.04% | +14,714+148.1% | Added |
| State of New Jersey Common Pension Fund D | 24,910 | $12.1M | 0.04% | +643+2.6% | Added |
| Ameriprise Financial Inc | 24,968 | $12.1M | 0.00% | −61,730−71.2% | Reduced |
| Martingale Asset Management L P | 25,385 | $12.3M | 0.16% | −67,053−72.5% | Reduced |
| Korea Investment CORP | 25,500 | $12.4M | 0.04% | +4,000+18.6% | Added |
| Toronto Dominion Bank | 26,358 | $12.8M | 0.02% | −3,718−12.4% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 26,501 | $12.8M | 0.04% | −905−3.3% | Reduced |
| Frontier Capital Management Co LLC | 27,754 | $13.5M | 0.11% | −13,809−33.2% | Reduced |
| Amundi | 29,421 | $14.3M | 0.01% | +9,155+45.2% | Added |
| Arcadia Investment Management Corp | 30,016 | $14.5M | 2.69% | −823−2.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 30,757 | $14.9M | 0.03% | −229−0.7% | Reduced |
| LPL Financial LLC | 31,472 | $15.3M | 0.01% | +3,322+11.8% | Added |
| Russell Investments Group, Ltd. | 31,901 | $15.5M | 0.03% | +3,257+11.4% | Added |
| Hantz Financial Services, Inc. | 34,731 | $16.8M | 0.55% | +4,315+14.2% | Added |
| Lazard Asset Management LLC | 34,805 | $16.9M | 0.02% | +5,307+18.0% | Added |
| Thornburg Investment Management Inc | 35,172 | $17.0M | 0.21% | −739−2.1% | Reduced |
| Pictet Asset Management SA | 36,227 | $17.6M | 0.02% | +36,227 | New |
| Bank of Montreal | 36,627 | $18.1M | 0.01% | +3,833+11.7% | Added |
| New York State Teachers Retirement System | 39,139 | $19.0M | 0.04% | −178−0.5% | Reduced |
| Gilder Gagnon Howe & Co LLC | 42,815 | $20.8M | 0.11% | −1,020−2.3% | Reduced |
| State of Wisconsin Investment Board | 43,366 | $21.0M | 0.04% | +2,680+6.6% | Added |
| Public Employees Retirement Association of Colorado | 43,580 | $21.1M | 0.09% | +37,357+600.3% | Added |
| Pembroke Management, LTD | 43,699 | $21.2M | 1.60% | −2,143−4.7% | Reduced |
| Millennium Management LLC | 45,751 | $22.2M | 0.03% | +24,500+115.3% | Added |
| First Trust Advisors LP | 46,016 | $22.3M | 0.02% | −59,080−56.2% | Reduced |
| Credit Suisse AG | 47,254 | $22.9M | 0.02% | +120+0.3% | Added |
| RMB Capital Management, LLC | 47,584 | $23.1M | 0.76% | +174+0.4% | Added |
| Scout Investments, Inc. | 47,697 | $23.1M | 0.34% | −5,497−10.3% | Reduced |
| Whittier Trust Co | 49,407 | $23.9M | 0.44% | −525−1.1% | Reduced |
| Parnassus Investments | 50,262 | $24.4M | 0.05% | 00.0% | Unchanged |
| Osterweis Capital Management Inc | 50,881 | $24.7M | 1.35% | −3,510−6.5% | Reduced |
| Azimuth Capital Management LLC | 52,386 | $25.4M | 1.09% | −21,008−28.6% | Reduced |
| Manufacturers Life Insurance Company, The | 52,953 | $25.7M | 0.02% | −1,342−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 53,163 | $25.8M | 0.05% | −1,112−2.0% | Reduced |
| Public Employees Retirement System of Ohio | 53,769 | $26.1M | 0.09% | +1,404+2.7% | Added |
| Nicholas Investment Partners, LP | 55,267 | $26.8M | 1.96% | −4,552−7.6% | Reduced |
| Federated Hermes, Inc. | 55,589 | $26.9M | 0.05% | +7,056+14.5% | Added |
| Capitolis Advisors LLC | 57,831 | $28.4M | 0.26% | 00.0% | Unchanged |
| Raymond James & Associates | 58,706 | $28.5M | 0.03% | +2,516+4.5% | Added |
| KBC Group NV | 63,529 | $30.8M | 0.11% | +54,842+631.3% | Added |
| HSBC Holdings PLC | 63,621 | $30.9M | 0.04% | +4,753+8.1% | Added |
| Los Angeles Capital Management LLC | 64,417 | $31.2M | 0.14% | +1,240+2.0% | Added |
| Marshall Wace North America L.P. | 65,365 | $31.7M | 0.14% | +7,809+13.6% | Added |
| Jennison Associates LLC | 69,702 | $33.8M | 0.02% | −20,556−22.8% | Reduced |
| Prudential Financial Inc | 68,870 | $34.1M | 0.05% | +31,321+83.4% | Added |
| Adage Capital Partners GP, L.L.C. | 71,000 | $34.4M | 0.07% | +24,300+52.0% | Added |
| Jag Capital Management, LLC | 72,333 | $35.1M | 2.73% | +3,232+4.7% | Added |
| Panagora Asset Management Inc | 72,682 | $35.2M | 0.19% | +23,037+46.4% | Added |
| Cavalry Management Group, LLC | 73,029 | $35.4M | 3.75% | −78,073−51.7% | Reduced |
| Barclays PLC | 74,744 | $36.2M | 0.03% | −53,738−41.8% | Reduced |
| Teacher Retirement System of Texas | 75,339 | $36.5M | 0.20% | +22,594+42.8% | Added |
| Glenmede Trust Co NA | 75,701 | $36.7M | 0.19% | −2,097−2.7% | Reduced |
| California State Teachers Retirement System | 76,646 | $37.1M | 0.05% | −3,292−4.1% | Reduced |