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, Q4 2025
Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2025. 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
- 1,061
- +98 vs. Q3 2025
- Shares held
- 48.8M
- +2.18M (+4.7%) vs. Q3 2025
- Total value
- $44.2B
- +$1.40B (+3.3%) vs. Q3 2025
- New holders
- 190
- 383 more added
- Sold out
- 92
- 353 more reduced
18 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Meeder Asset Management Inc | 14,681 | $13.3M | 0.72% | +98+0.7% | Added |
| Daiwa Securities Group Inc. | 14,310 | $13.0M | 0.04% | +4,081+39.9% | Added |
| Burney Co | 13,965 | $12.7M | 0.39% | −767−5.2% | Reduced |
| NEOS Investment Management LLC | 13,929 | $12.6M | 0.07% | +11,987+617.3% | Added |
| Colony Group, LLC | 13,852 | $12.6M | 0.01% | +1,979+16.7% | Added |
| State of Michigan Retirement System | 13,770 | $12.5M | 0.06% | −300−2.1% | Reduced |
| MetLife Investment Management | 13,692 | $12.4M | 0.06% | −358−2.5% | Reduced |
| Rakuten Investment Management, Inc. | 13,307 | $12.4M | 0.04% | −200,957−93.8% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 13,650 | $12.4M | 0.63% | −316−2.3% | Reduced |
| Blair William & Co | 13,647 | $12.4M | 0.03% | +3,465+34.0% | Added |
| Harvest Fund Management Co., Ltd | 13,546 | $12.3M | 0.46% | +4,600+51.4% | Added |
| Cullen/Frost Bankers, Inc. | 13,314 | $12.1M | 0.13% | +552+4.3% | Added |
| The PNC Financial Services Group, Inc. | 13,304 | $12.1M | 0.01% | +116+0.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 13,158 | $11.9M | 0.10% | +360+2.8% | Added |
| Arizona State Retirement System | 13,128 | $11.9M | 0.06% | −989−7.0% | Reduced |
| Silvant Capital Management LLC | 12,895 | $11.7M | 0.39% | +1,003+8.4% | Added |
| Cetera Investment Advisers | 12,794 | $11.6M | 0.01% | +229+1.8% | Added |
| Czech National Bank | 12,632 | $11.4M | 0.07% | +468+3.8% | Added |
| KBC Group NV | 12,627 | $11.4M | 0.03% | +2,761+28.0% | Added |
| US Bancorp | 12,045 | $10.9M | 0.01% | +293+2.5% | Added |
| Nicholas Investment Partners, LP | 11,912 | $10.8M | 0.79% | 00.0% | Unchanged |
| Xponance, Inc. | 11,870 | $10.8M | 0.08% | +648+5.8% | Added |
| Stephens Investment Management Group LLC | 11,836 | $10.7M | 0.14% | +11,836 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 11,699 | $10.6M | 0.05% | +155+1.3% | Added |
| Pathstone Holdings, LLC | 11,674 | $10.6M | 0.04% | −754−6.1% | Reduced |
| Carderock Capital Management Inc | 11,469 | $10.4M | 2.52% | +2,946+34.6% | Added |
| Storebrand Asset Management AS | 11,445 | $10.4M | 0.03% | +863+8.2% | Added |
| Nomura Holdings Inc | 11,230 | $10.2M | 0.03% | +8,667+338.2% | Added |
| Citadel Advisors LLC | 11,229 | $10.2M | 0.01% | −249,237−95.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,143 | $10.1M | 0.05% | −358−3.1% | Reduced |
| NorthCrest Asset Manangement, LLC | 10,267 | $9.81M | 0.22% | 00.0% | Unchanged |
| Amalgamated Bank | 10,815 | $9.80M | 0.07% | +361+3.5% | Added |
| Hantz Financial Services, Inc. | 10,591 | $9.60M | 0.14% | −2,054−16.2% | Reduced |
| FNY Investment Advisers, LLC | 10,500 | $9.52M | 2.72% | +10,500 | New |
| Lord, Abbett & Co. LLC | 10,375 | $9.40M | 0.03% | −13,125−55.9% | Reduced |
| Generate Investment Management Ltd | 10,331 | $9.36M | 0.43% | +10,331 | New |
| Retirement Systems of Alabama | 10,192 | $9.24M | 0.03% | −25−0.2% | Reduced |
| GWM Advisors LLC | 10,144 | $9.19M | 0.03% | −1,583−13.5% | Reduced |
| CWM Advisors, LLC | 10,105 | $9.16M | 0.82% | +1,744+20.9% | Added |
| GF Fund Management Co. Ltd. | 10,105 | $9.16M | 0.16% | +10,105 | New |
| Vantage Investment Partners, LLC | 10,097 | $9.15M | 0.61% | −34,487−77.4% | Reduced |
| Eurizon Capital SGR S.p.A. | 10,029 | $9.09M | 0.03% | +10,029 | New |
| Larson Financial Group LLC | 9,985 | $9.05M | 0.30% | +131+1.3% | Added |
| JustInvest LLC | 9,910 | $8.98M | 0.09% | +666+7.2% | Added |
| Titan Investment Solutions Ltd | 9,710 | $8.80M | 1.06% | +9,710 | New |
| USS Investment Management Ltd | 9,629 | $8.73M | 0.04% | −34−0.4% | Reduced |
| UniSuper Management Pty Ltd | 9,455 | $8.57M | 0.05% | −919−8.9% | Reduced |
| Tower Research Capital LLC (TRC) | 9,430 | $8.55M | 0.21% | +6,854+266.1% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 9,221 | $8.50M | 0.02% | −1,267−12.1% | Reduced |
| Bokf, NA | 9,288 | $8.42M | 0.13% | −3,342−26.5% | Reduced |
| BLB&B Advisors, LLC | 9,283 | $8.41M | 0.35% | −298−3.1% | Reduced |
| Stanley-Laman Group, Ltd. | 9,237 | $8.37M | 1.07% | +20.0% | Added |
| Clearbridge Investments, LLC | 9,211 | $8.35M | 0.01% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 9,189 | $8.33M | 0.09% | −206−2.2% | Reduced |
| Polar Capital Holdings Plc | 9,180 | $8.32M | 0.04% | −8,850−49.1% | Reduced |
| Mercer Global Advisors Inc | 8,935 | $8.10M | 0.01% | +594+7.1% | Added |
| Quest Investment Management LLC | 8,515 | $7.72M | 0.83% | −3,230−27.5% | Reduced |
| British Columbia Investment Management Corp | 8,482 | $7.69M | 0.04% | +1,601+23.3% | Added |
| Los Angeles Capital Management LLC | 6,953 | $7.56M | 0.03% | −16,292−70.1% | Reduced |
| Teacher Retirement System of Texas | 8,332 | $7.55M | 0.03% | −5,285−38.8% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 8,250 | $7.48M | 0.07% | +8,250 | New |
| Benjamin Edwards Inc | 7,772 | $7.04M | 0.08% | +7,772 | New |
| Wealthfront Advisers LLC | 7,673 | $6.95M | 0.02% | +2,119+38.2% | Added |
| Utah Retirement Systems | 7,639 | $6.92M | 0.07% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 7,529 | $6.82M | 0.05% | +7,529 | New |
| Mackenzie Financial Corp | 7,347 | $6.77M | 0.01% | +443+6.4% | Added |
| Atlantic Union Bankshares Corp | 7,339 | $6.65M | 0.12% | 00.0% | Unchanged |
| Comerica Bank | 7,317 | $6.63M | 0.03% | −3,589−32.9% | Reduced |
| Level Four Advisory Services, LLC | 7,302 | $6.62M | 0.22% | −2,084−22.2% | Reduced |
| Janus Henderson Group PLC | 7,246 | $6.57M | 0.00% | −120,492−94.3% | Reduced |
| Midwest Trust Co | 7,206 | $6.53M | 0.08% | +75+1.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,097 | $6.43M | 0.05% | −346−4.6% | Reduced |
| Public Sector Pension Investment Board | 7,095 | $6.43M | 0.02% | −27,492−79.5% | Reduced |
| Profund Advisors LLC | 7,091 | $6.43M | 0.20% | +3,849+118.7% | Added |
| CCM Investment Advisers LLC | 7,061 | $6.40M | 0.61% | +2,149+43.8% | Added |
| Mutual of America Capital Management LLC | 6,983 | $6.33M | 0.07% | +909+15.0% | Added |
| New York Life Investment Management LLC | 6,951 | $6.30M | 0.05% | −25−0.4% | Reduced |
| QRG Capital Management, Inc. | 6,875 | $6.23M | 0.07% | +682+11.0% | Added |
| Oppenheimer & Co Inc | 6,839 | $6.20M | 0.09% | −166−2.4% | Reduced |
| Saturna Capital CORP | 6,781 | $6.15M | 0.08% | 00.0% | Unchanged |
| Ethic Inc. | 6,592 | $5.97M | 0.09% | +730+12.5% | Added |
| Federation des caisses Desjardins du Quebec | 6,537 | $5.92M | 0.02% | +71+1.1% | Added |
| American Capital Management Inc | 6,488 | $5.88M | 0.26% | −122−1.8% | Reduced |
| First American Trust, FSB | 6,383 | $5.79M | 0.40% | +49+0.8% | Added |
| First Foundation Advisors | 6,379 | $5.78M | 0.22% | −520−7.5% | Reduced |
| Dakota Wealth Management | 6,218 | $5.64M | 0.10% | +2,220+55.5% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,168 | $5.59M | 0.04% | +86+1.4% | Added |
| Raiffeisen Bank International AG | 79,825 | $5.59M | 0.07% | +77,507+3,343.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 6,122 | $5.55M | 0.05% | +2,248+58.0% | Added |
| HB Wealth Management, LLC | 6,064 | $5.50M | 0.04% | +81+1.4% | Added |
| Patton Fund Management, Inc. | 6,029 | $5.46M | 0.73% | +5,653+1,503.5% | Added |
| iA Global Asset Management Inc. | 5,956 | $5.40M | 0.07% | +5,356+892.7% | Added |
| Verition Fund Management LLC | 5,923 | $5.37M | 0.03% | −1,016−14.6% | Reduced |
| Groupe la Francaise | 5,758 | $5.22M | 0.08% | +1,749+43.6% | Added |
| Shelton Capital Management | 5,729 | $5.19M | 0.10% | +5,462+2,045.7% | Added |
| Commonwealth Equity Services, LLC | 5,727 | $5.19M | 0.01% | −1,522−21.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 5,688 | $5.16M | 0.03% | +1,006+21.5% | Added |
| Knollwood Investment Advisory, LLC | 5,685 | $5.15M | 0.48% | 00.0% | Unchanged |
| Eurizon SLJ Capital Ltd | 5,668 | $5.14M | 2.04% | +5,668 | New |
| Yousif Capital Management, LLC | 4,961 | $5.13M | 0.06% | −301−5.7% | Reduced |