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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,930,193 | $2.87B | 0.08% | +55,039+0.9% | Added |
| Vanguard Group Inc | 4,772,312 | $2.31B | 0.06% | −78,355−1.6% | Reduced |
| State Street Corp | 1,742,399 | $845.5M | 0.04% | +12,615+0.7% | Added |
| Invesco Ltd. | 1,672,568 | $810.7M | 0.21% | −80,602−4.6% | Reduced |
| Franklin Resources Inc | 1,575,404 | $763.6M | 0.29% | −5,927−0.4% | Reduced |
| Price T Rowe Associates Inc | 1,517,738 | $735.6M | 0.07% | +1,112,187+274.2% | Added |
| Massachusetts Financial Services Co | 1,220,347 | $591.5M | 0.17% | −11,429−0.9% | Reduced |
| Macquarie Group Ltd | 1,051,349 | $509.6M | 0.43% | −100,358−8.7% | Reduced |
| Wasatch Advisors Inc | 1,000,679 | $485.0M | 1.97% | −26,027−2.5% | Reduced |
| Brown Advisory Inc | 927,629 | $449.6M | 0.66% | −105,777−10.2% | Reduced |
| Nuveen Asset Management, LLC | 892,408 | $432.5M | 0.14% | +370,702+71.1% | Added |
| Geode Capital Management, LLC | 829,734 | $401.2M | 0.05% | +23,443+2.9% | Added |
| Neuberger Berman Group LLC | 791,255 | $383.4M | 0.34% | −268,163−25.3% | Reduced |
| Wells Fargo & Company | 700,520 | $339.5M | 0.08% | −8,857−1.2% | Reduced |
| Alliancebernstein L.P. | 630,986 | $305.8M | 0.12% | −79,661−11.2% | Reduced |
| Bank of America Corp | 617,782 | $299.4M | 0.03% | −7,128−1.1% | Reduced |
| Fred Alger Management, LLC | 557,977 | $270.4M | 0.64% | +1,825+0.3% | Added |
| Clearbridge Investments, LLC | 539,705 | $261.6M | 0.19% | −5,194−1.0% | Reduced |
| JPMorgan Chase & Co | 520,081 | $252.1M | 0.03% | +7,229+1.4% | Added |
| GQG Partners LLC | 510,409 | $247.4M | 0.68% | +510,409 | New |
| Impax Asset Management Group plc | 471,987 | $227.8M | 0.94% | −48,867−9.4% | Reduced |
| Northern Trust Corp | 456,797 | $221.4M | 0.04% | +16,005+3.6% | Added |
| Artisan Partners Limited Partnership | 448,079 | $217.2M | 0.27% | −13,966−3.0% | Reduced |
| Earnest Partners LLC | 399,223 | $193.5M | 1.18% | −149,018−27.2% | Reduced |
| Congress Asset Management Co | 374,886 | $181.7M | 1.42% | −12,285−3.2% | Reduced |
| Norges Bank | 356,878 | $173.0M | 0.04% | −42,057−10.5% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 338,443 | $164.0M | 1.67% | +338,443 | New |
| Bank of New York Mellon Corp | 336,832 | $163.3M | 0.03% | −20,585−5.8% | Reduced |
| Lord, Abbett & Co. LLC | 333,838 | $161.8M | 0.39% | −20,667−5.8% | Reduced |
| Voya Investment Management LLC | 323,798 | $156.9M | 0.31% | −12,360−3.7% | Reduced |
| FMR LLC | 296,732 | $143.8M | 0.01% | +63,515+27.2% | Added |
| Legal & General Group Plc | 289,258 | $140.2M | 0.05% | −260.0% | Reduced |
| Ensign Peak Advisors, Inc | 262,892 | $127.4M | 0.27% | +23,895+10.0% | Added |
| UBS Asset Management Americas Inc | 258,420 | $125.3M | 0.05% | +110,538+74.7% | Added |
| Goldman Sachs Group Inc | 245,284 | $118.9M | 0.03% | +38,991+18.9% | Added |
| DekaBank Deutsche Girozentrale | 240,838 | $116.4M | 0.33% | +38,833+19.2% | Added |
| Baird Financial Group, Inc. | 237,131 | $114.9M | 0.29% | −1,179−0.5% | Reduced |
| Charles Schwab Investment Management Inc | 218,194 | $105.8M | 0.03% | −88,579−28.9% | Reduced |
| TimesSquare Capital Management, LLC | 201,400 | $97.6M | 0.85% | −57,425−22.2% | Reduced |
| Wellington Management Group LLP | 198,059 | $96.0M | 0.02% | −1,312−0.7% | Reduced |
| Victory Capital Management Inc | 197,880 | $95.9M | 0.09% | −5,625−2.8% | Reduced |
| TD Asset Management Inc | 187,663 | $91.0M | 0.09% | +3,222+1.7% | Added |
| New York State Common Retirement Fund | 178,072 | $86.3M | 0.09% | −29,890−14.4% | Reduced |
| Ardevora Asset Management LLP | 172,763 | $83.7M | 1.06% | −30,000−14.8% | Reduced |
| Swiss National Bank | 171,789 | $83.3M | 0.05% | −3,600−2.1% | Reduced |
| Robeco Schweiz AG | 160,906 | $78.0M | 1.12% | −105,071−39.5% | Reduced |
| Thrivent Financial for Lutherans | 159,736 | $77.4M | 0.16% | −20,931−11.6% | Reduced |
| Citigroup Inc | 153,231 | $74.3M | 0.07% | +31,277+25.6% | Added |
| Dimensional Fund Advisors LP | 149,800 | $72.6M | 0.02% | −2,142−1.4% | Reduced |
| Eagle Asset Management Inc | 147,337 | $71.4M | 0.32% | −1,062−0.7% | Reduced |
| STRS Ohio | 146,478 | $71.0M | 0.27% | 00.0% | Unchanged |
| SEI Investments Co | 146,396 | $70.9M | 0.15% | +100,432+218.5% | Added |
| Principal Financial Group Inc | 145,709 | $70.6M | 0.05% | +6,162+4.4% | Added |
| Polar Capital Holdings Plc | 145,113 | $70.3M | 0.39% | −163,224−52.9% | Reduced |
| Allianz Asset Management GmbH | 141,349 | $68.5M | 0.06% | +4,873+3.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 137,124 | $66.5M | 0.04% | −5,862−4.1% | Reduced |
| Parametric Portfolio Associates LLC | 134,333 | $65.1M | 0.04% | +3,695+2.8% | Added |
| BNP Paribas Arbitrage, SA | 133,874 | $64.9M | 0.15% | −3,548−2.6% | Reduced |
| American Century Companies Inc | 128,046 | $62.1M | 0.04% | +42,859+50.3% | Added |
| CIBC Private Wealth Group, LLC | 124,397 | $60.3M | 0.14% | −1,126−0.9% | Reduced |
| Morgan Stanley | 124,282 | $60.2M | 0.01% | +50,341+68.1% | Added |
| AXA S.A. | 122,679 | $59.5M | 0.17% | +28,238+29.9% | Added |
| UBS Group AG | 110,582 | $53.6M | 0.02% | +2,140+2.0% | Added |
| Rafferty Asset Management, LLC | 109,468 | $53.1M | 0.36% | −36,384−24.9% | Reduced |
| Deutsche Bank AG | 105,811 | $51.3M | 0.02% | −19,949−15.9% | Reduced |
| Segall Bryant & Hamill, LLC | 105,282 | $51.0M | 0.49% | −201−0.2% | Reduced |
| AQR Capital Management LLC | 104,537 | $50.7M | 0.09% | +6,052+6.1% | Added |
| Epoch Investment Partners, Inc. | 101,614 | $49.3M | 0.27% | −15,020−12.9% | Reduced |
| Royal Bank of Canada | 100,720 | $48.8M | 0.01% | −27,525−21.5% | Reduced |
| California Public Employees Retirement System | 100,466 | $48.7M | 0.04% | −440−0.4% | Reduced |
| Envestnet Asset Management Inc | 100,057 | $48.5M | 0.03% | +2,232+2.3% | Added |
| Natixis Investment Managers International | 99,255 | $48.1M | 2.79% | +99,255 | New |
| Natixis Advisors, L.P. | 90,195 | $43.7M | 0.18% | +78,160+649.4% | Added |
| Grandeur Peak Global Advisors, LLC | 89,420 | $43.3M | 2.05% | −10,401−10.4% | Reduced |
| Rhumbline Advisers | 89,230 | $43.2M | 0.06% | +7,431+9.1% | Added |
| Loomis Sayles & Co L P | 82,545 | $40.0M | 0.05% | −24,703−23.0% | Reduced |
| Renaissance Technologies LLC | 80,307 | $38.9M | 0.05% | −22,479−21.9% | Reduced |
| Eventide Asset Management, LLC | 77,459 | $37.5M | 0.50% | 00.0% | Unchanged |
| National Pension Service | 77,293 | $37.5M | 0.07% | +4,369+6.0% | Added |
| California State Teachers Retirement System | 76,646 | $37.1M | 0.05% | −3,292−4.1% | Reduced |
| Glenmede Trust Co NA | 75,701 | $36.7M | 0.19% | −2,097−2.7% | Reduced |
| Teacher Retirement System of Texas | 75,339 | $36.5M | 0.20% | +22,594+42.8% | Added |
| Barclays PLC | 74,744 | $36.2M | 0.03% | −53,738−41.8% | Reduced |
| Cavalry Management Group, LLC | 73,029 | $35.4M | 3.75% | −78,073−51.7% | Reduced |
| Panagora Asset Management Inc | 72,682 | $35.2M | 0.19% | +23,037+46.4% | Added |
| Jag Capital Management, LLC | 72,333 | $35.1M | 2.73% | +3,232+4.7% | Added |
| Adage Capital Partners GP, L.L.C. | 71,000 | $34.4M | 0.07% | +24,300+52.0% | Added |
| Prudential Financial Inc | 68,870 | $34.1M | 0.05% | +31,321+83.4% | Added |
| Jennison Associates LLC | 69,702 | $33.8M | 0.02% | −20,556−22.8% | Reduced |
| Marshall Wace North America L.P. | 65,365 | $31.7M | 0.14% | +7,809+13.6% | Added |
| Los Angeles Capital Management LLC | 64,417 | $31.2M | 0.14% | +1,240+2.0% | Added |
| HSBC Holdings PLC | 63,621 | $30.9M | 0.04% | +4,753+8.1% | Added |
| KBC Group NV | 63,529 | $30.8M | 0.11% | +54,842+631.3% | Added |
| Raymond James & Associates | 58,706 | $28.5M | 0.03% | +2,516+4.5% | Added |
| Capitolis Advisors LLC | 57,831 | $28.4M | 0.26% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 55,589 | $26.9M | 0.05% | +7,056+14.5% | Added |
| Nicholas Investment Partners, LP | 55,267 | $26.8M | 1.96% | −4,552−7.6% | Reduced |
| Public Employees Retirement System of Ohio | 53,769 | $26.1M | 0.09% | +1,404+2.7% | Added |
| State Board of Administration of Florida Retirement System | 53,163 | $25.8M | 0.05% | −1,112−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 52,953 | $25.7M | 0.02% | −1,342−2.5% | Reduced |