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, Q1 2025
Institutional positions in Monolithic Power Systems, Inc. as of Mar 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
- 862
- +13 vs. Q4 2024
- Shares held
- 46.7M
- +400.1K (+0.9%) vs. Q4 2024
- Total value
- $27.0B
- −$340.6M (−1.2%) vs. Q4 2024
- New holders
- 123
- 331 more added
- Sold out
- 110
- 309 more reduced
15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Twin Tree Management, LP | 14,537 | $8.43M | 0.19% | +7,780+115.1% | Added |
| MetLife Investment Management | 14,453 | $8.38M | 0.05% | −497−3.3% | Reduced |
| Arizona State Retirement System | 14,087 | $8.17M | 0.05% | −53−0.4% | Reduced |
| Federated Hermes, Inc. | 13,993 | $8.12M | 0.02% | −9,002−39.1% | Reduced |
| GDS Wealth Management | 13,883 | $8.05M | 0.69% | +5,715+70.0% | Added |
| State of Michigan Retirement System | 13,770 | $7.99M | 0.05% | −300−2.1% | Reduced |
| Nisa Investment Advisors, LLC | 13,712 | $7.97M | 0.04% | −5,263−27.7% | Reduced |
| Quest Investment Management LLC | 13,416 | $7.78M | 0.96% | −118−0.9% | Reduced |
| Pathstone Holdings, LLC | 13,345 | $7.74M | 0.03% | −345−2.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 13,031 | $7.56M | 0.01% | +12,263+1,596.7% | Added |
| Achmea Investment Management B.V. | 12,808 | $7.43M | 0.11% | +4,858+61.1% | Added |
| Corebridge Financial, Inc. | 12,172 | $7.06M | 0.04% | −717−5.6% | Reduced |
| Lazard Asset Management LLC | 12,099 | $7.02M | 0.01% | −27,736−69.6% | Reduced |
| US Bancorp | 12,091 | $7.01M | 0.01% | −8,206−40.4% | Reduced |
| Meridiem Capital Partners LP | 11,984 | $6.95M | 0.76% | −5,169−30.1% | Reduced |
| Nicholas Investment Partners, LP | 11,742 | $6.81M | 0.70% | −744−6.0% | Reduced |
| Silvant Capital Management LLC | 11,440 | $6.63M | 0.31% | 00.0% | Unchanged |
| UniSuper Management Pty Ltd | 11,242 | $6.52M | 0.05% | +400+3.7% | Added |
| Xponance, Inc. | 11,120 | $6.45M | 0.06% | −617−5.3% | Reduced |
| Czech National Bank | 10,984 | $6.37M | 0.06% | +401+3.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,937 | $6.34M | 0.04% | +565+5.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 10,598 | $6.15M | 0.07% | +700+7.1% | Added |
| Westwood Holdings Group Inc. | 10,467 | $6.07M | 0.05% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 10,456 | $6.06M | 0.00% | +1,012+10.7% | Added |
| NorthCrest Asset Manangement, LLC | 10,298 | $5.97M | 0.18% | +66+0.6% | Added |
| Retirement Systems of Alabama | 10,276 | $5.96M | 0.02% | −284−2.7% | Reduced |
| Mariner, LLC | 10,232 | $5.93M | 0.01% | +789+8.4% | Added |
| Creative Planning | 10,216 | $5.92M | 0.01% | +1,697+19.9% | Added |
| Amalgamated Bank | 10,173 | $5.90M | 0.05% | +216+2.2% | Added |
| Toroso Investments, LLC | 10,120 | $5.87M | 0.05% | +5,869+138.1% | Added |
| Storebrand Asset Management AS | 10,012 | $5.81M | 0.02% | −3,255−24.5% | Reduced |
| Pacer Advisors, Inc. | 9,686 | $5.62M | 0.01% | +1,493+18.2% | Added |
| Blair William & Co | 9,508 | $5.51M | 0.02% | −1,850−16.3% | Reduced |
| Stratos Wealth Partners, LTD. | 9,466 | $5.49M | 0.08% | +114+1.2% | Added |
| Cetera Investment Advisers | 9,464 | $5.49M | 0.01% | +526+5.9% | Added |
| Fifth Third Bancorp | 9,405 | $5.45M | 0.02% | +2,171+30.0% | Added |
| Level Four Advisory Services, LLC | 9,332 | $5.41M | 0.22% | +823+9.7% | Added |
| USS Investment Management Ltd | 9,332 | $5.41M | 0.04% | −4,200−31.0% | Reduced |
| British Columbia Investment Management Corp | 9,330 | $5.41M | 0.03% | −7−0.1% | Reduced |
| Harvest Fund Management Co., Ltd | 9,277 | $5.38M | 0.27% | −5,258−36.2% | Reduced |
| Daiwa Securities Group Inc. | 9,229 | $5.35M | 0.02% | +598+6.9% | Added |
| Bokf, NA | 9,191 | $5.33M | 0.09% | +486+5.6% | Added |
| Edgestream Partners, L.P. | 9,117 | $5.29M | 0.18% | −5,423−37.3% | Reduced |
| GWM Advisors LLC | 9,069 | $5.26M | 0.03% | −782−7.9% | Reduced |
| CWM Advisors, LLC | 9,065 | $5.26M | 0.62% | +1,951+27.4% | Added |
| LGT Group Foundation | 9,045 | $5.25M | 0.07% | +9,045 | New |
| Raiffeisen Bank International AG | 8,998 | $5.22M | 0.08% | −3,196−26.2% | Reduced |
| Larson Financial Group LLC | 8,868 | $5.14M | 0.24% | +1,350+18.0% | Added |
| Jump Financial, LLC | 8,867 | $5.14M | 0.08% | −15,076−63.0% | Reduced |
| Rakuten Investment Management, Inc. | 8,601 | $4.99M | 0.02% | +8,601 | New |
| IFM Investors Pty Ltd | 8,548 | $4.96M | 0.05% | −427−4.8% | Reduced |
| BLB&B Advisors, LLC | 8,437 | $4.89M | 0.25% | +8,437 | New |
| Tredje AP-fonden | 8,286 | $4.81M | 0.04% | 00.0% | Unchanged |
| Norden Group LLC | 8,249 | $4.78M | 0.55% | −149−1.8% | Reduced |
| Mackenzie Financial Corp | 8,092 | $4.69M | 0.01% | +2,150+36.2% | Added |
| Oppenheimer & Co Inc | 7,931 | $4.60M | 0.07% | +3,698+87.4% | Added |
| Utah Retirement Systems | 7,759 | $4.50M | 0.05% | 00.0% | Unchanged |
| MML Investors Services, LLC | 7,729 | $4.48M | 0.01% | +175+2.3% | Added |
| Comerica Bank | 7,690 | $4.46M | 0.02% | −2,819−26.8% | Reduced |
| Acadian Asset Management LLC | 7,629 | $4.42M | 0.01% | +140+1.9% | Added |
| Financial Counselors Inc | 7,399 | $4.29M | 0.07% | +377+5.4% | Added |
| Public Sector Pension Investment Board | 7,283 | $4.22M | 0.02% | −23,740−76.5% | Reduced |
| D. E. Shaw & Co., Inc. | 7,277 | $4.22M | 0.01% | −5,029−40.9% | Reduced |
| CIBC Asset Management Inc | 7,199 | $4.18M | 0.01% | −191−2.6% | Reduced |
| First Foundation Advisors | 7,137 | $4.14M | 0.17% | +7,137 | New |
| American Capital Management Inc | 7,098 | $4.12M | 0.17% | −18−0.3% | Reduced |
| Advisors Asset Management, Inc. | 7,075 | $4.10M | 0.08% | −1,893−21.1% | Reduced |
| New York Life Investment Management LLC | 7,060 | $4.09M | 0.04% | −161−2.2% | Reduced |
| QRG Capital Management, Inc. | 7,054 | $4.09M | 0.04% | −296−4.0% | Reduced |
| Shell Asset Management Co | 7,027 | $4.08M | 0.19% | +1,814+34.8% | Added |
| Virginia Retirement Systems Et Al | 7,000 | $4.06M | 0.03% | +7,000 | New |
| Police & Firemen's Retirement System of New Jersey | 6,812 | $3.95M | 0.04% | 00.0% | Unchanged |
| Wealthfront Advisers LLC | 6,719 | $3.90M | 0.01% | +808+13.7% | Added |
| JustInvest LLC | 6,623 | $3.84M | 0.06% | +1,248+23.2% | Added |
| Perpetual Ltd | 6,532 | $3.79M | 0.05% | +3,596+122.5% | Added |
| KP Management LLC | 6,500 | $3.77M | 1.45% | 00.0% | Unchanged |
| Carderock Capital Management Inc | 6,359 | $3.69M | 0.98% | +1,509+31.1% | Added |
| Commonwealth Equity Services, LLC | 6,280 | $3.64M | 0.01% | −6,690−51.6% | Reduced |
| Intact Investment Management Inc. | 6,200 | $3.60M | 0.12% | 00.0% | Unchanged |
| First American Trust, FSB | 6,162 | $3.57M | 0.33% | +6,162 | New |
| Mutual of America Capital Management LLC | 6,100 | $3.54M | 0.04% | −326−5.1% | Reduced |
| Synovus Financial Corp | 6,053 | $3.51M | 0.05% | +1,665+37.9% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 5,948 | $3.45M | 0.04% | +832+16.3% | Added |
| HB Wealth Management, LLC | 5,846 | $3.39M | 0.03% | +5,091+674.3% | Added |
| CIBC World Markets Corp | 5,812 | $3.37M | 0.03% | −1,904−24.7% | Reduced |
| Advisor Group Holdings, Inc. | 5,722 | $3.32M | 0.01% | −4,666−44.9% | Reduced |
| Knollwood Investment Advisory, LLC | 5,685 | $3.30M | 0.36% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 5,604 | $3.25M | 0.04% | +40+0.7% | Added |
| Yousif Capital Management, LLC | 5,558 | $3.22M | 0.04% | −228−3.9% | Reduced |
| Private Advisor Group, LLC | 5,480 | $3.18M | 0.02% | +4,970+974.5% | Added |
| Jacobs Levy Equity Management, Inc | 5,456 | $3.16M | 0.01% | −13,059−70.5% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 5,454 | $3.16M | 0.01% | −2,844−34.3% | Reduced |
| Taylor Frigon Capital Management LLC | 5,423 | $3.15M | 1.87% | −160−2.9% | Reduced |
| Empowered Funds, LLC | 5,325 | $3.09M | 0.04% | +161+3.1% | Added |
| Sirios Capital Management L P | 5,321 | $3.09M | 0.55% | +3,374+173.3% | Added |
| Kornitzer Capital Management Inc | 5,227 | $3.03M | 0.06% | −3,300−38.7% | Reduced |
| Bahl & Gaynor Inc | 5,157 | $2.99M | 0.02% | +25+0.5% | Added |
| Davidson Capital Management Inc. | 5,152 | $2.99M | 0.81% | +5,136+32,100.0% | Added |
| Squarepoint Ops LLC | 5,100 | $2.96M | 0.01% | −35,211−87.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 5,099 | $2.96M | 0.03% | +125+2.5% | Added |