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 2021
Institutional positions in Monolithic Power Systems, Inc. as of Jun 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
- 533
- +10 vs. Q1 2021
- Shares held
- 43.1M
- +1.24M (+3.0%) vs. Q1 2021
- Total value
- $16.1B
- +$1.31B (+8.9%) vs. Q1 2021
- New holders
- 62
- 214 more added
- Sold out
- 52
- 186 more reduced
7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parnassus Investments | 50,262 | $18.8M | 0.04% | 00.0% | Unchanged |
| Whittier Trust Co | 49,932 | $18.6M | 0.33% | +2,806+6.0% | Added |
| Panagora Asset Management Inc | 49,645 | $18.5M | 0.10% | +47,500+2,214.5% | Added |
| Federated Hermes, Inc. | 48,533 | $18.1M | 0.03% | +14,581+42.9% | Added |
| RMB Capital Management, LLC | 47,410 | $17.7M | 0.59% | +181+0.4% | Added |
| Credit Suisse AG | 47,134 | $17.6M | 0.01% | −25,635−35.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 46,700 | $17.4M | 0.03% | +8,900+23.5% | Added |
| Pembroke Management, LTD | 45,842 | $17.1M | 1.34% | −4,627−9.2% | Reduced |
| SEI Investments Co | 45,964 | $17.1M | 0.04% | −10,820−19.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 43,835 | $16.4M | 0.08% | −155−0.4% | Reduced |
| Frontier Capital Management Co LLC | 41,563 | $15.5M | 0.11% | +5,858+16.4% | Added |
| State of Wisconsin Investment Board | 40,686 | $15.2M | 0.03% | +5,053+14.2% | Added |
| New York State Teachers Retirement System | 39,317 | $14.7M | 0.03% | +80.0% | Added |
| Prudential Financial Inc | 37,549 | $14.0M | 0.02% | −27,592−42.4% | Reduced |
| D. E. Shaw & Co., Inc. | 37,279 | $13.9M | 0.02% | −12,834−25.6% | Reduced |
| Woodline Partners LP | 36,855 | $13.8M | 0.26% | +36,855 | New |
| Thornburg Investment Management Inc | 35,911 | $13.4M | 0.15% | −1,805−4.8% | Reduced |
| Pictet Asset Management Ltd | 34,446 | $12.9M | 0.01% | +6,046+21.3% | Added |
| Worldquant Millennium Advisors LLC | 33,698 | $12.6M | 0.28% | −42,979−56.1% | Reduced |
| Bank of Montreal | 32,794 | $12.4M | 0.01% | +7,292+28.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 33,149 | $12.4M | 0.06% | +6,154+22.8% | Added |
| Schroder Investment Management Group | 31,511 | $11.8M | 0.01% | +28+0.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 30,986 | $11.6M | 0.02% | −10,923−26.1% | Reduced |
| Arcadia Investment Management Corp | 30,839 | $11.5M | 2.17% | −1,650−5.1% | Reduced |
| Hantz Financial Services, Inc. | 30,416 | $11.4M | 0.42% | +523+1.7% | Added |
| Toronto Dominion Bank | 30,076 | $11.2M | 0.02% | +4,555+17.8% | Added |
| Lazard Asset Management LLC | 29,498 | $11.0M | 0.01% | +20,750+237.2% | Added |
| Russell Investments Group, Ltd. | 28,644 | $10.7M | 0.02% | +3,294+13.0% | Added |
| LPL Financial LLC | 28,150 | $10.5M | 0.01% | +6,653+30.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 27,406 | $10.2M | 0.03% | −1,375−4.8% | Reduced |
| Voloridge Investment Management, LLC | 27,098 | $10.1M | 0.07% | +27,098 | New |
| Cinctive Capital Management LP | 26,506 | $9.90M | 0.54% | +10,615+66.8% | Added |
| Eaton Vance Management | 25,837 | $9.65M | 0.01% | +919+3.7% | Added |
| Verition Fund Management LLC | 25,758 | $9.62M | 0.14% | +25,758 | New |
| Albar Capital Ltd | 25,489 | $9.52M | 3.81% | +25,489 | New |
| Cubist Systematic Strategies, LLC | 24,989 | $9.33M | 0.11% | +3,119+14.3% | Added |
| Snowden Capital Advisors LLC | 24,835 | $9.27M | 0.46% | +686+2.8% | Added |
| State of New Jersey Common Pension Fund D | 24,267 | $9.06M | 0.03% | −1,422−5.5% | Reduced |
| M&G Investment Management Ltd | 24,282 | $9.06M | 0.05% | +24,282 | New |
| Asset Management One Co.,Ltd. | 23,615 | $8.82M | 0.03% | +4,373+22.7% | Added |
| Westpac Banking Corp | 23,072 | $8.62M | 0.09% | +1,328+6.1% | Added |
| Capital Fund Management S.A. | 21,882 | $8.17M | 0.22% | +8,014+57.8% | Added |
| US Bancorp | 21,698 | $8.10M | 0.02% | −1,636−7.0% | Reduced |
| Summit Creek Advisors LLC | 21,635 | $8.08M | 0.97% | −760−3.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 21,631 | $8.08M | 0.02% | +11,523+114.0% | Added |
| EULAV Asset Management | 21,565 | $8.05M | 0.21% | 00.0% | Unchanged |
| Korea Investment CORP | 21,500 | $8.03M | 0.02% | −5,700−21.0% | Reduced |
| Millennium Management LLC | 21,251 | $7.94M | 0.01% | −135,440−86.4% | Reduced |
| Whittier Trust Co of Nevada Inc | 20,298 | $7.58M | 0.32% | +626+3.2% | Added |
| Amundi | 20,266 | $7.57M | 0.01% | +20,266 | New |
| Great West Life Assurance Co | 19,690 | $7.35M | 0.02% | −14,070−41.7% | Reduced |
| Advisor Group Holdings, Inc. | 19,611 | $7.32M | 0.02% | +2,037+11.6% | Added |
| Analog Century Management LP | 19,000 | $7.10M | 2.85% | +19,000 | New |
| Sit Investment Associates Inc | 18,485 | $6.90M | 0.17% | −1,725−8.5% | Reduced |
| Westwood Holdings Group Inc. | 17,779 | $6.64M | 0.07% | +1,884+11.9% | Added |
| Stifel Financial Corp | 17,498 | $6.53M | 0.01% | +1,320+8.2% | Added |
| Aviva PLC | 17,147 | $6.40M | 0.03% | −5,376−23.9% | Reduced |
| Comerica Bank | 13,639 | $6.37M | 0.04% | −682−4.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 17,000 | $6.35M | 0.07% | +14,244+516.8% | Added |
| Amalgamated Bank | 16,305 | $6.09M | 0.05% | +7,627+87.9% | Added |
| Vontobel Holding Ltd. | 15,798 | $5.96M | 0.05% | +2,276+16.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 15,863 | $5.92M | 0.03% | +2,193+16.0% | Added |
| Oppenheimer Asset Management Inc. | 15,842 | $5.92M | 0.08% | +63+0.4% | Added |
| Taylor Frigon Capital Management LLC | 15,816 | $5.91M | 1.85% | −428−2.6% | Reduced |
| Next Century Growth Investors LLC | 15,758 | $5.88M | 0.46% | −2,118−11.8% | Reduced |
| Retirement Systems of Alabama | 15,733 | $5.88M | 0.02% | −263−1.6% | Reduced |
| Treasurer of the State of North Carolina | 15,599 | $5.83M | 0.03% | −560−3.5% | Reduced |
| Intrinsic Edge Capital Management LLC | 15,521 | $5.80M | 0.35% | +5,000+47.5% | Added |
| Commerce Bank | 15,423 | $5.76M | 0.04% | −319−2.0% | Reduced |
| Quadrature Capital Ltd | 15,280 | $5.71M | 0.22% | +12,296+412.1% | Added |
| Zevenbergen Capital Investments LLC | 14,990 | $5.60M | 0.10% | −225−1.5% | Reduced |
| Royal London Asset Management Ltd | 14,921 | $5.57M | 0.02% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 14,332 | $5.35M | 0.01% | −537−3.6% | Reduced |
| Synovus Financial Corp | 14,192 | $5.30M | 0.05% | −40.0% | Reduced |
| American International Group, Inc. | 13,743 | $5.13M | 0.02% | −375−2.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,434 | $5.02M | 0.03% | +631+4.9% | Added |
| Guggenheim Capital LLC | 13,406 | $5.01M | 0.03% | +877+7.0% | Added |
| AMP Capital Investors Ltd | 13,317 | $4.98M | 0.02% | −472−3.4% | Reduced |
| Nomura Holdings Inc | 12,999 | $4.86M | 0.04% | +12,999 | New |
| ProShare Advisors LLC | 12,963 | $4.84M | 0.01% | +1,523+13.3% | Added |
| ClariVest Asset Management LLC | 12,950 | $4.84M | 0.16% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 12,857 | $4.80M | 0.01% | −3,545−21.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 12,739 | $4.76M | 0.01% | +11,431+873.9% | Added |
| Covenant Asset Management, LLC | 12,172 | $4.55M | 1.36% | +101+0.8% | Added |
| Arizona State Retirement System | 12,155 | $4.54M | 0.04% | −197−1.6% | Reduced |
| Nomura Asset Management Co Ltd | 12,125 | $4.53M | 0.03% | +4,594+61.0% | Added |
| Swiss Life Asset Management Ltd | 12,080 | $4.51M | 0.06% | +12,080 | New |
| Natixis Advisors, L.P. | 12,035 | $4.49M | 0.02% | −503−4.0% | Reduced |
| Crossmark Global Holdings, Inc. | 12,019 | $4.49M | 0.11% | −2,370−16.5% | Reduced |
| Level Four Advisory Services, LLC | 11,799 | $4.41M | 0.30% | +535+4.7% | Added |
| State of Tennessee, Treasury Department | 11,742 | $4.38M | 0.02% | −1,966−14.3% | Reduced |
| Granahan Investment Management Inc | 11,186 | $4.18M | 0.08% | +3,381+43.3% | Added |
| State of Michigan Retirement System | 11,100 | $4.14M | 0.02% | +300+2.8% | Added |
| Susquehanna International Group, LLP | 10,657 | $3.98M | 0.00% | −11,413−51.7% | Reduced |
| Bahl & Gaynor Inc | 10,539 | $3.94M | 0.02% | +473+4.7% | Added |
| Nisa Investment Advisors, LLC | 10,530 | $3.93M | 0.02% | 00.0% | Unchanged |
| Truist Financial Corp | 10,528 | $3.93M | 0.01% | +705+7.2% | Added |
| Blair William & Co | 10,256 | $3.83M | 0.01% | −316−3.0% | Reduced |
| American Capital Management Inc | 10,069 | $3.76M | 0.11% | +71+0.7% | Added |
| MetLife Investment Management | 9,972 | $3.72M | 0.03% | −247−2.4% | Reduced |