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 |
|---|---|---|---|---|---|
| Boston Family Office LLC | 4,544 | $4.97M | 0.33% | −109−2.3% | Reduced |
| Norinchukin Bank, The | 4,562 | $4.99M | 0.06% | +266+6.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 4,629 | $5.06M | 0.10% | +4,629 | New |
| Cerity Partners LLC | 4,638 | $5.07M | 0.01% | +1,449+45.4% | Added |
| Azzad Asset Management Inc | 4,665 | $5.10M | 0.52% | −149−3.1% | Reduced |
| Parcion Private Wealth LLC | 4,804 | $5.25M | 0.33% | −26−0.5% | Reduced |
| Nordea Investment Management AB | 5,081 | $5.32M | 0.00% | +172+3.5% | Added |
| Yousif Capital Management, LLC | 4,898 | $5.36M | 0.06% | −63−1.3% | Reduced |
| Rathbone Brothers plc | 4,929 | $5.39M | 0.02% | −606−10.9% | Reduced |
| Bahl & Gaynor Inc | 5,042 | $5.51M | 0.03% | 00.0% | Unchanged |
| Allstate Corp | 5,064 | $5.54M | 0.06% | +1,508+42.4% | Added |
| Jane Street Group, LLC | 5,083 | $5.56M | 0.01% | +596+13.3% | Added |
| Investment Management Corp of Ontario | 5,158 | $5.64M | 0.07% | +963+23.0% | Added |
| GWM Advisors LLC | 5,197 | $5.68M | 0.02% | −4,947−48.8% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 5,235 | $5.72M | 0.10% | +536+11.4% | Added |
| Steward Partners Investment Advisory, LLC | 5,255 | $5.74M | 0.03% | +260+5.2% | Added |
| Janney Montgomery Scott LLC | 5,256 | $5.75M | 0.01% | +331+6.7% | Added |
| Ilmarinen Mutual Pension Insurance Co | 5,345 | $5.84M | 0.05% | +5,345 | New |
| Truist Financial Corp | 5,379 | $5.88M | 0.01% | +44+0.8% | Added |
| Mitchell Capital Management Co | 5,385 | $5.89M | 1.08% | −162−2.9% | Reduced |
| Davidson Capital Management Inc. | 5,412 | $5.92M | 1.07% | +803+17.4% | Added |
| Oregon Public Employees Retirement Fund | 5,591 | $6.11M | 0.08% | +116+2.1% | Added |
| Shelton Capital Management | 5,646 | $6.17M | 0.14% | −83−1.4% | Reduced |
| Knollwood Investment Advisory, LLC | 5,685 | $6.22M | 0.63% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 5,700 | $6.23M | 0.11% | +100+1.8% | Added |
| Profund Advisors LLC | 5,905 | $6.46M | 0.24% | −1,186−16.7% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 5,996 | $6.56M | 0.10% | +5,996 | New |
| Quest Investment Management LLC | 6,061 | $6.63M | 0.77% | −2,454−28.8% | Reduced |
| Credit Agricole S A | 6,212 | $6.79M | 0.02% | −16,726−72.9% | Reduced |
| Bank of Nova Scotia | 6,275 | $6.86M | 0.01% | −34,199−84.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,310 | $6.90M | 0.06% | +142+2.3% | Added |
| American Capital Management Inc | 6,320 | $6.91M | 0.37% | −168−2.6% | Reduced |
| State of Alaska, Department of Revenue | 6,322 | $6.91M | 0.07% | +1,155+22.4% | Added |
| First Foundation Advisors | 6,356 | $6.95M | 0.28% | −23−0.4% | Reduced |
| First American Trust, FSB | 6,429 | $7.03M | 0.47% | +46+0.7% | Added |
| QRG Capital Management, Inc. | 6,493 | $7.10M | 0.07% | −382−5.6% | Reduced |
| Man Group plc | 6,508 | $7.12M | 0.01% | −20,428−75.8% | Reduced |
| Argent Capital Management LLC | 6,521 | $7.13M | 0.22% | +2,312+54.9% | Added |
| Saturna Capital CORP | 6,563 | $7.18M | 0.10% | −218−3.2% | Reduced |
| British Columbia Investment Management Corp | 6,602 | $7.22M | 0.04% | −1,880−22.2% | Reduced |
| Ethic Inc. | 6,625 | $7.24M | 0.11% | +33+0.5% | Added |
| Oppenheimer & Co Inc | 6,667 | $7.29M | 0.09% | −172−2.5% | Reduced |
| Marshall Wace, LLP | 6,732 | $7.36M | 0.01% | +6,732 | New |
| Level Four Advisory Services, LLC | 7,075 | $7.74M | 0.25% | −227−3.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,111 | $7.77M | 0.07% | +14+0.2% | Added |
| New York Life Investment Management LLC | 7,249 | $7.93M | 0.07% | +298+4.3% | Added |
| Atlantic Union Bankshares Corp | 7,339 | $8.02M | 0.15% | 00.0% | Unchanged |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 7,343 | $8.03M | 0.01% | −9,477−56.3% | Reduced |
| Janus Henderson Group PLC | 7,374 | $8.06M | 0.00% | +128+1.8% | Added |
| Polar Capital Holdings Plc | 7,380 | $8.07M | 0.04% | −1,800−19.6% | Reduced |
| Midwest Trust Co | 7,418 | $8.11M | 0.10% | +212+2.9% | Added |
| Utah Retirement Systems | 7,525 | $8.23M | 0.08% | −114−1.5% | Reduced |
| CCM Investment Advisers LLC | 7,586 | $8.29M | 0.79% | +525+7.4% | Added |
| Dakota Wealth Management | 7,658 | $8.37M | 0.18% | +1,440+23.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 8,286 | $8.42M | 0.03% | −935−10.1% | Reduced |
| Mutual of America Capital Management LLC | 7,724 | $8.45M | 0.10% | +741+10.6% | Added |
| Mackenzie Financial Corp | 7,736 | $8.46M | 0.01% | +389+5.3% | Added |
| CIBC World Markets Inc. | 7,937 | $8.68M | 0.02% | +7,077+822.9% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 7,960 | $8.70M | 0.08% | −290−3.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 8,414 | $9.20M | 0.05% | +2,726+47.9% | Added |
| Vantage Investment Partners, LLC | 8,715 | $9.53M | 0.66% | −1,382−13.7% | Reduced |
| Benjamin Edwards Inc | 8,722 | $9.54M | 0.09% | +950+12.2% | Added |
| Wealthfront Advisers LLC | 8,731 | $9.55M | 0.02% | +1,058+13.8% | 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 |
| Public Sector Pension Investment Board | 8,811 | $9.63M | 0.03% | +1,716+24.2% | Added |
| SIH Partners, LLLP | 8,916 | $9.75M | 0.30% | +8,916 | New |
| Eurizon Capital SGR S.p.A. | 8,961 | $9.76M | 0.03% | −1,068−10.6% | Reduced |
| Bokf, NA | 9,105 | $9.95M | 0.15% | −183−2.0% | Reduced |
| Larson Financial Group LLC | 9,197 | $10.1M | 0.32% | −788−7.9% | Reduced |
| Stratos Wealth Partners, LTD. | 9,260 | $10.1M | 0.12% | +71+0.8% | Added |
| Federation des caisses Desjardins du Quebec | 9,326 | $10.2M | 0.04% | +2,789+42.7% | Added |
| Hantz Financial Services, Inc. | 9,422 | $10.3M | 0.16% | −1,169−11.0% | Reduced |
| Stanley-Laman Group, Ltd. | 9,438 | $10.3M | 1.27% | +201+2.2% | Added |
| IFM Investors Pty Ltd | 9,569 | $10.5M | 0.09% | +9,569 | New |
| Titan Investment Solutions Ltd | 9,710 | $10.6M | 1.36% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 9,817 | $10.7M | 0.18% | −288−2.9% | Reduced |
| Silvercrest Asset Management Group LLC | 9,847 | $10.8M | 0.08% | −10,362−51.3% | Reduced |
| USS Investment Management Ltd | 9,997 | $10.9M | 0.05% | +368+3.8% | Added |
| Mercer Global Advisors Inc | 10,043 | $11.0M | 0.02% | +1,108+12.4% | Added |
| JustInvest LLC | 10,153 | $11.1M | 0.11% | +243+2.5% | Added |
| Retirement Systems of Alabama | 10,343 | $11.3M | 0.04% | +151+1.5% | Added |
| Teacher Retirement System of Texas | 10,353 | $11.3M | 0.05% | +2,021+24.3% | Added |
| NorthCrest Asset Manangement, LLC | 10,188 | $11.4M | 0.35% | −79−0.8% | Reduced |
| Macquarie Group Ltd | 10,489 | $11.5M | 0.07% | −19,067−64.5% | Reduced |
| Generate Investment Management Ltd | 10,640 | $11.6M | 0.57% | +309+3.0% | Added |
| Amalgamated Bank | 10,766 | $11.8M | 0.09% | −49−0.5% | Reduced |
| Commerce Bank | 11,039 | $12.1M | 0.06% | +8,334+308.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,346 | $12.4M | 0.06% | +203+1.8% | Added |
| AustralianSuper Pty Ltd | 11,496 | $12.6M | 0.07% | +11,496 | New |
| Carderock Capital Management Inc | 11,665 | $12.8M | 3.15% | +196+1.7% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 11,839 | $12.9M | 0.07% | +140+1.2% | Added |
| Cornerstone Advisors, LLC | 11,907 | $13.0M | 0.48% | −2,785−19.0% | Reduced |
| Bridgewater Associates, LP | 11,942 | $13.1M | 0.06% | +9,071+316.0% | Added |
| Pathstone Holdings, LLC | 12,009 | $13.1M | 0.05% | +335+2.9% | Added |
| Two Sigma Investments, LP | 12,018 | $13.1M | 0.01% | +12,018 | New |
| Nicholas Investment Partners, LP | 12,029 | $13.2M | 0.95% | +117+1.0% | Added |
| US Bancorp | 12,202 | $13.3M | 0.02% | +157+1.3% | Added |
| Storebrand Asset Management AS | 12,274 | $13.4M | 0.04% | +829+7.2% | Added |
| CWM Advisors, LLC | 12,724 | $13.9M | 0.81% | +2,619+25.9% | Added |