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 |
|---|---|---|---|---|---|
| Azimuth Capital Management LLC | 52,386 | $25.4M | 1.09% | −21,008−28.6% | Reduced |
| Osterweis Capital Management Inc | 50,881 | $24.7M | 1.35% | −3,510−6.5% | Reduced |
| Parnassus Investments | 50,262 | $24.4M | 0.05% | 00.0% | Unchanged |
| Whittier Trust Co | 49,407 | $23.9M | 0.44% | −525−1.1% | Reduced |
| Scout Investments, Inc. | 47,697 | $23.1M | 0.34% | −5,497−10.3% | Reduced |
| RMB Capital Management, LLC | 47,584 | $23.1M | 0.76% | +174+0.4% | Added |
| Credit Suisse AG | 47,254 | $22.9M | 0.02% | +120+0.3% | Added |
| First Trust Advisors LP | 46,016 | $22.3M | 0.02% | −59,080−56.2% | Reduced |
| Millennium Management LLC | 45,751 | $22.2M | 0.03% | +24,500+115.3% | Added |
| Pembroke Management, LTD | 43,699 | $21.2M | 1.60% | −2,143−4.7% | Reduced |
| Public Employees Retirement Association of Colorado | 43,580 | $21.1M | 0.09% | +37,357+600.3% | Added |
| State of Wisconsin Investment Board | 43,366 | $21.0M | 0.04% | +2,680+6.6% | Added |
| Gilder Gagnon Howe & Co LLC | 42,815 | $20.8M | 0.11% | −1,020−2.3% | Reduced |
| New York State Teachers Retirement System | 39,139 | $19.0M | 0.04% | −178−0.5% | Reduced |
| Bank of Montreal | 36,627 | $18.1M | 0.01% | +3,833+11.7% | Added |
| Pictet Asset Management SA | 36,227 | $17.6M | 0.02% | +36,227 | New |
| Thornburg Investment Management Inc | 35,172 | $17.0M | 0.21% | −739−2.1% | Reduced |
| Lazard Asset Management LLC | 34,805 | $16.9M | 0.02% | +5,307+18.0% | Added |
| Hantz Financial Services, Inc. | 34,731 | $16.8M | 0.55% | +4,315+14.2% | Added |
| Russell Investments Group, Ltd. | 31,901 | $15.5M | 0.03% | +3,257+11.4% | Added |
| LPL Financial LLC | 31,472 | $15.3M | 0.01% | +3,322+11.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 30,757 | $14.9M | 0.03% | −229−0.7% | Reduced |
| Arcadia Investment Management Corp | 30,016 | $14.5M | 2.69% | −823−2.7% | Reduced |
| Amundi | 29,421 | $14.3M | 0.01% | +9,155+45.2% | Added |
| Frontier Capital Management Co LLC | 27,754 | $13.5M | 0.11% | −13,809−33.2% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 26,501 | $12.8M | 0.04% | −905−3.3% | Reduced |
| Toronto Dominion Bank | 26,358 | $12.8M | 0.02% | −3,718−12.4% | Reduced |
| Korea Investment CORP | 25,500 | $12.4M | 0.04% | +4,000+18.6% | Added |
| Martingale Asset Management L P | 25,385 | $12.3M | 0.16% | −67,053−72.5% | Reduced |
| Ameriprise Financial Inc | 24,968 | $12.1M | 0.00% | −61,730−71.2% | Reduced |
| State of New Jersey Common Pension Fund D | 24,910 | $12.1M | 0.04% | +643+2.6% | Added |
| Man Group plc | 24,646 | $11.9M | 0.04% | +14,714+148.1% | Added |
| Eaton Vance Management | 25,496 | $11.9M | 0.02% | −341−1.3% | Reduced |
| Snowden Capital Advisors LLC | 24,345 | $11.8M | 0.59% | −490−2.0% | Reduced |
| Asset Management One Co.,Ltd. | 24,066 | $11.7M | 0.04% | +451+1.9% | Added |
| Summit Creek Advisors LLC | 23,536 | $11.4M | 1.21% | +1,901+8.8% | Added |
| Schroder Investment Management Group | 22,785 | $11.0M | 0.02% | −8,726−27.7% | Reduced |
| Voloridge Investment Management, LLC | 21,910 | $10.6M | 0.07% | −5,188−19.1% | Reduced |
| EULAV Asset Management | 21,565 | $10.5M | 0.28% | 00.0% | Unchanged |
| Westpac Banking Corp | 21,460 | $10.4M | 0.11% | −1,612−7.0% | Reduced |
| US Bancorp | 20,930 | $10.1M | 0.02% | −768−3.5% | Reduced |
| Analog Century Management LP | 20,300 | $9.84M | 3.41% | +1,300+6.8% | Added |
| Aviva PLC | 20,250 | $9.81M | 0.04% | +3,103+18.1% | Added |
| Advisor Group Holdings, Inc. | 20,189 | $9.79M | 0.02% | +578+2.9% | Added |
| 1832 Asset Management L.P. | 20,000 | $9.75M | 0.02% | +20,000 | New |
| Whittier Trust Co of Nevada Inc | 20,067 | $9.73M | 0.40% | −231−1.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 19,549 | $9.47M | 0.02% | −2,082−9.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 19,470 | $9.44M | 0.02% | +6,731+52.8% | Added |
| Stifel Financial Corp | 18,100 | $8.77M | 0.01% | +602+3.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 18,017 | $8.73M | 0.04% | +2,154+13.6% | Added |
| Susquehanna International Group, LLP | 17,628 | $8.54M | 0.01% | +6,971+65.4% | Added |
| Great West Life Assurance Co | 16,733 | $8.17M | 0.02% | −2,957−15.0% | Reduced |
| Treasurer of the State of North Carolina | 16,148 | $7.83M | 0.05% | +549+3.5% | Added |
| Amalgamated Bank | 15,843 | $7.68M | 0.06% | −462−2.8% | Reduced |
| M&G Investment Management Ltd | 15,817 | $7.67M | 0.04% | −8,465−34.9% | Reduced |
| Taylor Frigon Capital Management LLC | 15,717 | $7.62M | 2.46% | −99−0.6% | Reduced |
| Westwood Holdings Group Inc. | 15,156 | $7.35M | 0.08% | −2,623−14.8% | Reduced |
| Sit Investment Associates Inc | 15,105 | $7.32M | 0.19% | −3,380−18.3% | Reduced |
| Royal London Asset Management Ltd | 14,921 | $7.23M | 0.03% | 00.0% | Unchanged |
| Zevenbergen Capital Investments LLC | 14,890 | $7.22M | 0.14% | −100−0.7% | Reduced |
| Nomura Asset Management Co Ltd | 14,837 | $7.19M | 0.04% | +2,712+22.4% | Added |
| Retirement Systems of Alabama | 14,823 | $7.18M | 0.03% | −910−5.8% | Reduced |
| Driehaus Capital Management LLC | 14,439 | $7.00M | 0.08% | +14,439 | New |
| Oppenheimer Asset Management Inc. | 14,308 | $6.93M | 0.10% | −1,534−9.7% | Reduced |
| Standard Life Aberdeen plc | 13,657 | $6.67M | 0.02% | −675−4.7% | Reduced |
| American International Group, Inc. | 13,551 | $6.57M | 0.04% | −192−1.4% | Reduced |
| Vontobel Holding Ltd. | 13,538 | $6.56M | 0.06% | −2,260−14.3% | Reduced |
| Acadian Asset Management LLC | 13,380 | $6.48M | 0.02% | +10,927+445.5% | Added |
| ProShare Advisors LLC | 13,305 | $6.45M | 0.02% | +342+2.6% | Added |
| USS Investment Management Ltd | 13,297 | $6.44M | 0.06% | +9,497+249.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 13,067 | $6.33M | 0.01% | +210+1.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,928 | $6.27M | 0.03% | −506−3.8% | Reduced |
| ClariVest Asset Management LLC | 12,350 | $5.99M | 0.19% | −600−4.6% | Reduced |
| Synovus Financial Corp | 12,258 | $5.92M | 0.06% | −1,934−13.6% | Reduced |
| Arizona State Retirement System | 12,198 | $5.91M | 0.05% | +43+0.4% | Added |
| Covenant Asset Management, LLC | 12,066 | $5.85M | 1.74% | −106−0.9% | Reduced |
| Guggenheim Capital LLC | 12,059 | $5.84M | 0.04% | −1,347−10.0% | Reduced |
| Comerica Bank | 11,356 | $5.80M | 0.03% | −2,283−16.7% | Reduced |
| Level Four Advisory Services, LLC | 11,582 | $5.61M | 0.58% | −217−1.8% | Reduced |
| Commerce Bank | 11,539 | $5.59M | 0.04% | −3,884−25.2% | Reduced |
| Cinctive Capital Management LP | 11,404 | $5.53M | 0.30% | −15,102−57.0% | Reduced |
| State of Tennessee, Treasury Department | 11,348 | $5.50M | 0.02% | −394−3.4% | Reduced |
| APG Asset Management N.V. | 13,095 | $5.48M | 0.01% | +7,500+134.0% | Added |
| State of Michigan Retirement System | 11,100 | $5.38M | 0.03% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 10,819 | $5.24M | 0.12% | −1,200−10.0% | Reduced |
| Nisa Investment Advisors, LLC | 10,530 | $5.10M | 0.03% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 10,300 | $4.99M | 0.05% | +600+6.2% | Added |
| American Capital Management Inc | 10,189 | $4.94M | 0.13% | +120+1.2% | Added |
| Bahl & Gaynor Inc | 10,002 | $4.85M | 0.03% | −537−5.1% | Reduced |
| Intrinsic Edge Capital Management LLC | 10,000 | $4.85M | 0.34% | −5,521−35.6% | Reduced |
| MetLife Investment Management | 9,750 | $4.73M | 0.04% | −222−2.2% | Reduced |
| Caisse de Depot Et Placement du Quebec | 9,595 | $4.65M | 0.01% | +1,200+14.3% | Added |
| Chartwell Investment Partners, LLC | 9,480 | $4.59M | 0.14% | 00.0% | Unchanged |
| Truist Financial Corp | 9,468 | $4.59M | 0.01% | −1,060−10.1% | Reduced |
| Gulf International Bank (UK) Ltd | 9,459 | $4.58M | 0.06% | −96−1.0% | Reduced |
| Granahan Investment Management Inc | 9,343 | $4.53M | 0.09% | −1,843−16.5% | Reduced |
| Stratos Wealth Partners, LTD. | 8,971 | $4.35M | 0.11% | +1,515+20.3% | Added |
| Oregon Public Employees Retirement Fund | 8,861 | $4.29M | 0.05% | −400−4.3% | Reduced |
| Swiss Life Asset Management Ltd | 8,843 | $4.29M | 0.06% | −3,237−26.8% | Reduced |
| Forsta Ap-Fonden | 8,700 | $4.22M | 0.05% | +8,700 | New |