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 2026
Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2026. 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
- 1,250
- +142 vs. Q1 2026
- Shares held
- 47.6M
- +386.8K (+0.8%) vs. Q1 2026
- Total value
- $65.6B
- +$14.1B (+27.4%) vs. Q1 2026
- New holders
- 220
- 419 more added
- Sold out
- 78
- 464 more reduced
16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tredje AP-fonden | 11,490 | $15.9M | 0.07% | −6,681−36.8% | Reduced |
| Arosa Capital Management LP | 12,000 | $16.6M | 14.47% | +7,500+166.7% | Added |
| ING Groep NV | 12,045 | $16.7M | 0.08% | +10,397+630.9% | Added |
| Nicholas Investment Partners, LP | 12,129 | $16.8M | 0.94% | +100+0.8% | Added |
| Vident Advisory, LLC | 12,133 | $16.8M | 0.12% | −3,946−24.5% | Reduced |
| Clearbridge Investments, LLC | 12,222 | $16.9M | 0.01% | −4,495−26.9% | Reduced |
| Westwood Holdings Group Inc. | 12,293 | $17.0M | 0.13% | −1,420−10.4% | Reduced |
| US Bancorp | 12,361 | $17.1M | 0.02% | +159+1.3% | Added |
| Polar Capital Holdings Plc | 12,370 | $17.1M | 0.05% | +4,990+67.6% | Added |
| Erste Asset Management GmbH | 13,177 | $17.4M | 0.14% | −1,435−9.8% | Reduced |
| Copeland Capital Management, LLC | 12,625 | $17.5M | 0.36% | −3,130−19.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,740 | $17.6M | 0.08% | −8,758−40.7% | Reduced |
| State of Michigan Retirement System | 12,811 | $17.7M | 0.08% | −1,159−8.3% | Reduced |
| Xponance, Inc. | 12,813 | $17.7M | 0.11% | −74−0.6% | Reduced |
| MetLife Investment Management | 13,069 | $18.1M | 0.08% | −363−2.7% | Reduced |
| Moran Wealth Management, LLC | 13,126 | $18.1M | 0.49% | −2,599−16.5% | Reduced |
| Natixis | 13,169 | $18.2M | 0.09% | −16,251−55.2% | Reduced |
| Arizona State Retirement System | 13,379 | $18.5M | 0.09% | +361+2.8% | Added |
| Storebrand Asset Management AS | 13,455 | $18.6M | 0.05% | +1,181+9.6% | Added |
| Mn Services Vermogensbeheer B.V. | 13,653 | $18.9M | 0.14% | −4,700−25.6% | Reduced |
| Advisor Group Holdings, Inc. | 13,833 | $19.1M | 0.02% | −496−3.5% | Reduced |
| Czech National Bank | 13,984 | $19.3M | 0.11% | +718+5.4% | Added |
| Cullen/Frost Bankers, Inc. | 14,100 | $19.5M | 0.19% | +345+2.5% | Added |
| OP Asset Management Ltd | 14,254 | $19.7M | 0.21% | −2,670−15.8% | Reduced |
| The PNC Financial Services Group, Inc. | 14,266 | $19.7M | 0.01% | +94+0.7% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 14,303 | $19.8M | 0.09% | +2,464+20.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 14,515 | $20.0M | 0.12% | −10−0.1% | Reduced |
| Woodline Partners LP | 14,587 | $20.2M | 0.06% | +12,718+680.5% | Added |
| CWM Advisors, LLC | 15,046 | $20.8M | 0.85% | +2,322+18.2% | Added |
| State of New Jersey Common Pension Fund D | 15,088 | $20.9M | 0.07% | −1,250−7.7% | Reduced |
| Public Sector Pension Investment Board | 15,111 | $20.9M | 0.05% | +6,300+71.5% | Added |
| Jupiter Asset Management Ltd | 15,242 | $21.1M | 0.10% | −3,308−17.8% | Reduced |
| Mediolanum International Funds Ltd | 16,143 | $21.2M | 0.18% | −3,787−19.0% | Reduced |
| Sanctuary Advisors, LLC | 15,480 | $21.4M | 0.10% | −926−5.6% | Reduced |
| Sit Investment Associates Inc | 15,491 | $21.4M | 0.41% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 15,760 | $21.8M | 0.08% | +15,551+7,440.7% | Added |
| Nisa Investment Advisors, LLC | 15,838 | $21.9M | 0.07% | −129−0.8% | Reduced |
| Glenmede Trust Co NA | 16,226 | $22.4M | 0.10% | −4,425−21.4% | Reduced |
| Stephens Investment Management Group LLC | 16,400 | $22.7M | 0.24% | +3,575+27.9% | Added |
| State of Tennessee, Treasury Department | 16,567 | $22.9M | 0.07% | +688+4.3% | Added |
| Toronto Dominion Bank | 16,634 | $23.0M | 0.04% | +1,195+7.7% | Added |
| Fred Alger Management, LLC | 16,612 | $23.0M | 0.08% | +198+1.2% | Added |
| Guggenheim Capital LLC | 16,985 | $23.5M | 0.15% | +2,905+20.6% | Added |
| Rakuten Investment Management, Inc. | 18,041 | $23.7M | 0.07% | +3,108+20.8% | Added |
| Daiwa Securities Group Inc. | 17,286 | $23.9M | 0.05% | +2,276+15.2% | Added |
| Parnassus Investments | 17,566 | $24.3M | 0.06% | −606−3.3% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 18,074 | $25.0M | 0.49% | +13,445+290.5% | Added |
| Scge Management, L.P. | 18,300 | $25.3M | 0.43% | +18,300 | New |
| Mackenzie Financial Corp | 18,606 | $25.7M | 0.03% | +10,870+140.5% | Added |
| Whittier Trust Co of Nevada Inc | 20,303 | $25.8M | 0.48% | +76+0.4% | Added |
| KLP Kapitalforvaltning AS | 19,100 | $26.4M | 0.09% | +1,380+7.8% | Added |
| Assetmark, Inc | 19,462 | $26.9M | 0.05% | −859−4.2% | Reduced |
| Creative Planning | 19,463 | $26.9M | 0.02% | +782+4.2% | Added |
| GDS Wealth Management | 20,094 | $27.8M | 1.32% | +842+4.4% | Added |
| Public Employees Retirement System of Ohio | 20,129 | $27.8M | 0.08% | −1,018−4.8% | Reduced |
| Treasurer of the State of North Carolina | 20,136 | $27.8M | 0.07% | +320+1.6% | Added |
| Flputnam Investment Management Co | 20,409 | $28.2M | 0.34% | +20,409 | New |
| Credit Agricole S A | 20,595 | $28.5M | 0.07% | +14,383+231.5% | Added |
| Segall Bryant & Hamill, LLC | 20,849 | $28.8M | 0.34% | −5,212−20.0% | Reduced |
| Nykredit A/S | 20,935 | $28.9M | 0.11% | +20,935 | New |
| Fideuram Asset Management (Ireland) dac | 19,770 | $29.4M | 0.57% | +16,944+599.6% | Added |
| Asset Management One Co.,Ltd. | 21,424 | $29.6M | 0.08% | +267+1.3% | Added |
| CIBC Asset Management Inc | 21,551 | $29.8M | 0.07% | +1,165+5.7% | Added |
| Park National Corp | 21,663 | $29.9M | 0.84% | −6,451−22.9% | Reduced |
| Avalon Global Asset Management LLC | 22,000 | $30.4M | 4.48% | −500−2.2% | Reduced |
| Sapient Capital LLC | 21,974 | $30.4M | 0.40% | −396−1.8% | Reduced |
| USS Investment Management Ltd | 22,153 | $30.6M | 0.12% | +12,156+121.6% | Added |
| Prudential Financial Inc | 22,712 | $31.4M | 0.03% | −102−0.4% | Reduced |
| Fifth Third Bancorp | 23,803 | $32.9M | 0.05% | −2,008−7.8% | Reduced |
| Gotham Asset Management, LLC | 23,897 | $33.0M | 0.08% | +1,415+6.3% | Added |
| Vontobel Holding Ltd. | 23,915 | $33.1M | 0.11% | −9,345−28.1% | Reduced |
| Vanguard Investments Australia, Ltd. | 23,921 | $33.1M | 0.08% | +60.0% | Added |
| Chevy Chase Trust Holdings, Inc. | 23,986 | $33.2M | 0.09% | −266−1.1% | Reduced |
| Swiss Life Asset Management Ltd | 24,087 | $33.3M | 0.14% | −6,940−22.4% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 24,296 | $33.6M | 0.07% | −7,612−23.9% | Reduced |
| AQR Capital Management LLC | 24,947 | $33.8M | 0.01% | −13,413−35.0% | Reduced |
| DnB Asset Management AS | 24,493 | $33.9M | 0.09% | −1,556−6.0% | Reduced |
| Nordea Investment Management AB | 25,276 | $34.4M | 0.03% | +20,195+397.5% | Added |
| Danske Bank A/S | 25,158 | $34.8M | 0.07% | −7,516−23.0% | Reduced |
| Public Employees Retirement Association of Colorado | 25,202 | $34.8M | 0.12% | −7,487−22.9% | Reduced |
| TD Asset Management Inc | 25,374 | $35.1M | 0.03% | −46,736−64.8% | Reduced |
| NZS Capital, LLC | 25,529 | $35.3M | 0.92% | −1,150−4.3% | Reduced |
| Mizuho Markets Americas LLC | 26,404 | $36.5M | 0.65% | +26,049+7,337.7% | Added |
| Pembroke Management, LTD | 26,571 | $36.7M | 4.75% | −7,826−22.8% | Reduced |
| State of Wisconsin Investment Board | 26,618 | $36.8M | 0.07% | +963+3.8% | Added |
| Swedbank AB | 27,002 | $37.3M | 0.03% | −5,642−17.3% | Reduced |
| Korea Investment CORP | 27,752 | $38.4M | 0.07% | +9,812+54.7% | Added |
| Capital Impact Advisors, LLC | 27,772 | $38.4M | 2.15% | +27,772 | New |
| Ostrum Asset Management | 27,940 | $38.6M | 1.86% | +7,184+34.6% | Added |
| Harvest Fund Management Co., Ltd | 28,056 | $38.7M | 1.28% | +14,371+105.0% | Added |
| Royal London Asset Management Ltd | 28,488 | $39.4M | 0.07% | −467−1.6% | Reduced |
| RMB Capital Management, LLC | 28,553 | $39.5M | 0.61% | −7,722−21.3% | Reduced |
| Zurich Insurance Group Ltd | 28,857 | $39.9M | 0.28% | +8,659+42.9% | Added |
| Azimuth Capital Investment Management LLC | 29,124 | $40.3M | 1.36% | −6,949−19.3% | Reduced |
| Cookson Peirce & Co Inc | 29,510 | $40.8M | 1.34% | +36+0.1% | Added |
| SEB Asset Management AB | 29,514 | $40.8M | 0.15% | +2,223+8.1% | Added |
| Bank of Nova Scotia | 29,749 | $41.1M | 0.06% | +23,474+374.1% | Added |
| Voloridge Investment Management, LLC | 29,923 | $41.4M | 0.18% | +29,923 | New |
| APG Asset Management N.V. | 34,509 | $41.7M | 0.10% | +9,849+39.9% | Added |
| Blair William & Co | 30,259 | $41.8M | 0.11% | −298−1.0% | Reduced |