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 9 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 2026
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 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
- 1,124
- +80 vs. Q4 2025
- Shares held
- 47.3M
- +5.32M (+12.7%) vs. Q4 2025
- Total value
- $51.6B
- +$13.6B (+35.9%) vs. Q4 2025
- New holders
- 181
- 384 more added
- Sold out
- 101
- 408 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Freestone Grove Partners LP | 15,015 | $16.4M | 0.12% | +7,486+99.4% | Added |
| Daiwa Securities Group Inc. | 15,010 | $16.4M | 0.05% | +700+4.9% | Added |
| Night Squared LP | 14,592 | $16.0M | 2.34% | +11,885+439.0% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 14,525 | $15.8M | 0.11% | +12,621+662.9% | Added |
| Advisor Group Holdings, Inc. | 14,329 | $15.7M | 0.02% | −2,501−14.9% | Reduced |
| The PNC Financial Services Group, Inc. | 14,172 | $15.5M | 0.01% | +868+6.5% | Added |
| Guggenheim Capital LLC | 14,080 | $15.4M | 0.12% | −2,148−13.2% | Reduced |
| State of Michigan Retirement System | 13,970 | $15.3M | 0.08% | +200+1.5% | Added |
| Cetera Investment Advisers | 13,952 | $15.3M | 0.02% | +1,158+9.1% | Added |
| Robeco Institutional Asset Management B.V. | 13,873 | $15.2M | 0.02% | +8,790+172.9% | Added |
| Cullen/Frost Bankers, Inc. | 13,755 | $15.0M | 0.17% | +441+3.3% | Added |
| Erste Asset Management GmbH | 14,612 | $15.0M | 0.14% | +14,612 | New |
| Westwood Holdings Group Inc. | 13,713 | $15.0M | 0.11% | −3,665−21.1% | Reduced |
| Rakuten Investment Management, Inc. | 14,933 | $15.0M | 0.03% | +1,626+12.2% | Added |
| Harvest Fund Management Co., Ltd | 13,685 | $15.0M | 0.64% | +139+1.0% | Added |
| Citadel Advisors LLC | 13,512 | $14.8M | 0.01% | +2,283+20.3% | Added |
| MetLife Investment Management | 13,432 | $14.7M | 0.07% | −260−1.9% | Reduced |
| 1832 Asset Management L.P. | 13,400 | $14.7M | 0.02% | −2,542−15.9% | Reduced |
| Czech National Bank | 13,266 | $14.5M | 0.10% | +634+5.0% | Added |
| Silvant Capital Management LLC | 13,106 | $14.3M | 0.50% | +211+1.6% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 13,083 | $14.3M | 0.79% | −567−4.2% | Reduced |
| Arizona State Retirement System | 13,018 | $14.2M | 0.08% | −110−0.8% | Reduced |
| Xponance, Inc. | 12,887 | $14.1M | 0.10% | +1,017+8.6% | Added |
| Stephens Investment Management Group LLC | 12,825 | $14.0M | 0.19% | +989+8.4% | Added |
| CWM Advisors, LLC | 12,724 | $13.9M | 0.81% | +2,619+25.9% | Added |
| Storebrand Asset Management AS | 12,274 | $13.4M | 0.04% | +829+7.2% | Added |
| US Bancorp | 12,202 | $13.3M | 0.02% | +157+1.3% | Added |
| Nicholas Investment Partners, LP | 12,029 | $13.2M | 0.95% | +117+1.0% | Added |
| Two Sigma Investments, LP | 12,018 | $13.1M | 0.01% | +12,018 | New |
| Pathstone Holdings, LLC | 12,009 | $13.1M | 0.05% | +335+2.9% | Added |
| Bridgewater Associates, LP | 11,942 | $13.1M | 0.06% | +9,071+316.0% | Added |
| Cornerstone Advisors, LLC | 11,907 | $13.0M | 0.48% | −2,785−19.0% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 11,839 | $12.9M | 0.07% | +140+1.2% | Added |
| Carderock Capital Management Inc | 11,665 | $12.8M | 3.15% | +196+1.7% | Added |
| AustralianSuper Pty Ltd | 11,496 | $12.6M | 0.07% | +11,496 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,346 | $12.4M | 0.06% | +203+1.8% | Added |
| Commerce Bank | 11,039 | $12.1M | 0.06% | +8,334+308.1% | Added |
| Amalgamated Bank | 10,766 | $11.8M | 0.09% | −49−0.5% | Reduced |
| Generate Investment Management Ltd | 10,640 | $11.6M | 0.57% | +309+3.0% | Added |
| Macquarie Group Ltd | 10,489 | $11.5M | 0.07% | −19,067−64.5% | Reduced |
| NorthCrest Asset Manangement, LLC | 10,188 | $11.4M | 0.35% | −79−0.8% | Reduced |
| Teacher Retirement System of Texas | 10,353 | $11.3M | 0.05% | +2,021+24.3% | Added |
| Retirement Systems of Alabama | 10,343 | $11.3M | 0.04% | +151+1.5% | Added |
| JustInvest LLC | 10,153 | $11.1M | 0.11% | +243+2.5% | Added |
| Mercer Global Advisors Inc | 10,043 | $11.0M | 0.02% | +1,108+12.4% | Added |
| USS Investment Management Ltd | 9,997 | $10.9M | 0.05% | +368+3.8% | Added |
| Silvercrest Asset Management Group LLC | 9,847 | $10.8M | 0.08% | −10,362−51.3% | Reduced |
| GF Fund Management Co. Ltd. | 9,817 | $10.7M | 0.18% | −288−2.9% | Reduced |
| Titan Investment Solutions Ltd | 9,710 | $10.6M | 1.36% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 9,569 | $10.5M | 0.09% | +9,569 | New |
| Stanley-Laman Group, Ltd. | 9,438 | $10.3M | 1.27% | +201+2.2% | Added |
| Hantz Financial Services, Inc. | 9,422 | $10.3M | 0.16% | −1,169−11.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 9,326 | $10.2M | 0.04% | +2,789+42.7% | Added |
| Stratos Wealth Partners, LTD. | 9,260 | $10.1M | 0.12% | +71+0.8% | Added |
| Larson Financial Group LLC | 9,197 | $10.1M | 0.32% | −788−7.9% | Reduced |
| Bokf, NA | 9,105 | $9.95M | 0.15% | −183−2.0% | Reduced |
| Eurizon Capital SGR S.p.A. | 8,961 | $9.76M | 0.03% | −1,068−10.6% | Reduced |
| SIH Partners, LLLP | 8,916 | $9.75M | 0.30% | +8,916 | New |
| Public Sector Pension Investment Board | 8,811 | $9.63M | 0.03% | +1,716+24.2% | Added |
| Burney Co | 8,763 | $9.58M | 0.30% | −5,202−37.3% | Reduced |
| UniSuper Management Pty Ltd | 8,763 | $9.58M | 0.06% | −692−7.3% | Reduced |
| Wealthfront Advisers LLC | 8,731 | $9.55M | 0.02% | +1,058+13.8% | Added |
| Benjamin Edwards Inc | 8,722 | $9.54M | 0.09% | +950+12.2% | Added |
| Vantage Investment Partners, LLC | 8,715 | $9.53M | 0.66% | −1,382−13.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 8,414 | $9.20M | 0.05% | +2,726+47.9% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 7,960 | $8.70M | 0.08% | −290−3.5% | Reduced |
| CIBC World Markets Inc. | 7,937 | $8.68M | 0.02% | +7,077+822.9% | Added |
| Mackenzie Financial Corp | 7,736 | $8.46M | 0.01% | +389+5.3% | Added |
| Mutual of America Capital Management LLC | 7,724 | $8.45M | 0.10% | +741+10.6% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,286 | $8.42M | 0.03% | −935−10.1% | Reduced |
| Dakota Wealth Management | 7,658 | $8.37M | 0.18% | +1,440+23.2% | Added |
| CCM Investment Advisers LLC | 7,586 | $8.29M | 0.79% | +525+7.4% | Added |
| Utah Retirement Systems | 7,525 | $8.23M | 0.08% | −114−1.5% | Reduced |
| Midwest Trust Co | 7,418 | $8.11M | 0.10% | +212+2.9% | Added |
| Polar Capital Holdings Plc | 7,380 | $8.07M | 0.04% | −1,800−19.6% | Reduced |
| Janus Henderson Group PLC | 7,374 | $8.06M | 0.00% | +128+1.8% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 7,343 | $8.03M | 0.01% | −9,477−56.3% | Reduced |
| Atlantic Union Bankshares Corp | 7,339 | $8.02M | 0.15% | 00.0% | Unchanged |
| New York Life Investment Management LLC | 7,249 | $7.93M | 0.07% | +298+4.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,111 | $7.77M | 0.07% | +14+0.2% | Added |
| Level Four Advisory Services, LLC | 7,075 | $7.74M | 0.25% | −227−3.1% | Reduced |
| Marshall Wace, LLP | 6,732 | $7.36M | 0.01% | +6,732 | New |
| Oppenheimer & Co Inc | 6,667 | $7.29M | 0.09% | −172−2.5% | Reduced |
| Ethic Inc. | 6,625 | $7.24M | 0.11% | +33+0.5% | Added |
| British Columbia Investment Management Corp | 6,602 | $7.22M | 0.04% | −1,880−22.2% | Reduced |
| Saturna Capital CORP | 6,563 | $7.18M | 0.10% | −218−3.2% | Reduced |
| Argent Capital Management LLC | 6,521 | $7.13M | 0.22% | +2,312+54.9% | Added |
| Man Group plc | 6,508 | $7.12M | 0.01% | −20,428−75.8% | Reduced |
| QRG Capital Management, Inc. | 6,493 | $7.10M | 0.07% | −382−5.6% | Reduced |
| First American Trust, FSB | 6,429 | $7.03M | 0.47% | +46+0.7% | Added |
| First Foundation Advisors | 6,356 | $6.95M | 0.28% | −23−0.4% | Reduced |
| State of Alaska, Department of Revenue | 6,322 | $6.91M | 0.07% | +1,155+22.4% | Added |
| American Capital Management Inc | 6,320 | $6.91M | 0.37% | −168−2.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,310 | $6.90M | 0.06% | +142+2.3% | Added |
| Bank of Nova Scotia | 6,275 | $6.86M | 0.01% | −34,199−84.5% | Reduced |
| Credit Agricole S A | 6,212 | $6.79M | 0.02% | −16,726−72.9% | Reduced |
| Quest Investment Management LLC | 6,061 | $6.63M | 0.77% | −2,454−28.8% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 5,996 | $6.56M | 0.10% | +5,996 | New |
| Profund Advisors LLC | 5,905 | $6.46M | 0.24% | −1,186−16.7% | Reduced |
| Louisiana State Employees Retirement System | 5,700 | $6.23M | 0.11% | +100+1.8% | Added |