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 |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 18,606 | $25.7M | 0.03% | +10,870+140.5% | Added |
| Scge Management, L.P. | 18,300 | $25.3M | 0.43% | +18,300 | New |
| Y-Intercept (Hong Kong) Ltd | 18,074 | $25.0M | 0.49% | +13,445+290.5% | Added |
| Parnassus Investments | 17,566 | $24.3M | 0.06% | −606−3.3% | Reduced |
| Daiwa Securities Group Inc. | 17,286 | $23.9M | 0.05% | +2,276+15.2% | Added |
| Rakuten Investment Management, Inc. | 18,041 | $23.7M | 0.07% | +3,108+20.8% | Added |
| Guggenheim Capital LLC | 16,985 | $23.5M | 0.15% | +2,905+20.6% | Added |
| Fred Alger Management, LLC | 16,612 | $23.0M | 0.08% | +198+1.2% | Added |
| Toronto Dominion Bank | 16,634 | $23.0M | 0.04% | +1,195+7.7% | Added |
| State of Tennessee, Treasury Department | 16,567 | $22.9M | 0.07% | +688+4.3% | Added |
| Stephens Investment Management Group LLC | 16,400 | $22.7M | 0.24% | +3,575+27.9% | Added |
| Glenmede Trust Co NA | 16,226 | $22.4M | 0.10% | −4,425−21.4% | Reduced |
| Nisa Investment Advisors, LLC | 15,838 | $21.9M | 0.07% | −129−0.8% | Reduced |
| Los Angeles Capital Management LLC | 15,760 | $21.8M | 0.08% | +15,551+7,440.7% | Added |
| Sit Investment Associates Inc | 15,491 | $21.4M | 0.41% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 15,480 | $21.4M | 0.10% | −926−5.6% | Reduced |
| Mediolanum International Funds Ltd | 16,143 | $21.2M | 0.18% | −3,787−19.0% | Reduced |
| Jupiter Asset Management Ltd | 15,242 | $21.1M | 0.10% | −3,308−17.8% | Reduced |
| Public Sector Pension Investment Board | 15,111 | $20.9M | 0.05% | +6,300+71.5% | Added |
| State of New Jersey Common Pension Fund D | 15,088 | $20.9M | 0.07% | −1,250−7.7% | Reduced |
| CWM Advisors, LLC | 15,046 | $20.8M | 0.85% | +2,322+18.2% | Added |
| Woodline Partners LP | 14,587 | $20.2M | 0.06% | +12,718+680.5% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 14,515 | $20.0M | 0.12% | −10−0.1% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 14,303 | $19.8M | 0.09% | +2,464+20.8% | Added |
| The PNC Financial Services Group, Inc. | 14,266 | $19.7M | 0.01% | +94+0.7% | Added |
| OP Asset Management Ltd | 14,254 | $19.7M | 0.21% | −2,670−15.8% | Reduced |
| Cullen/Frost Bankers, Inc. | 14,100 | $19.5M | 0.19% | +345+2.5% | Added |
| Czech National Bank | 13,984 | $19.3M | 0.11% | +718+5.4% | Added |
| Advisor Group Holdings, Inc. | 13,833 | $19.1M | 0.02% | −496−3.5% | Reduced |
| Mn Services Vermogensbeheer B.V. | 13,653 | $18.9M | 0.14% | −4,700−25.6% | Reduced |
| Storebrand Asset Management AS | 13,455 | $18.6M | 0.05% | +1,181+9.6% | Added |
| Arizona State Retirement System | 13,379 | $18.5M | 0.09% | +361+2.8% | Added |
| Natixis | 13,169 | $18.2M | 0.09% | −16,251−55.2% | Reduced |
| Moran Wealth Management, LLC | 13,126 | $18.1M | 0.49% | −2,599−16.5% | Reduced |
| MetLife Investment Management | 13,069 | $18.1M | 0.08% | −363−2.7% | Reduced |
| Xponance, Inc. | 12,813 | $17.7M | 0.11% | −74−0.6% | Reduced |
| State of Michigan Retirement System | 12,811 | $17.7M | 0.08% | −1,159−8.3% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,740 | $17.6M | 0.08% | −8,758−40.7% | Reduced |
| Copeland Capital Management, LLC | 12,625 | $17.5M | 0.36% | −3,130−19.9% | Reduced |
| Erste Asset Management GmbH | 13,177 | $17.4M | 0.14% | −1,435−9.8% | Reduced |
| Polar Capital Holdings Plc | 12,370 | $17.1M | 0.05% | +4,990+67.6% | Added |
| US Bancorp | 12,361 | $17.1M | 0.02% | +159+1.3% | Added |
| Westwood Holdings Group Inc. | 12,293 | $17.0M | 0.13% | −1,420−10.4% | Reduced |
| Clearbridge Investments, LLC | 12,222 | $16.9M | 0.01% | −4,495−26.9% | Reduced |
| Vident Advisory, LLC | 12,133 | $16.8M | 0.12% | −3,946−24.5% | Reduced |
| Nicholas Investment Partners, LP | 12,129 | $16.8M | 0.94% | +100+0.8% | Added |
| ING Groep NV | 12,045 | $16.7M | 0.08% | +10,397+630.9% | Added |
| Arosa Capital Management LP | 12,000 | $16.6M | 14.47% | +7,500+166.7% | Added |
| Tredje AP-fonden | 11,490 | $15.9M | 0.07% | −6,681−36.8% | Reduced |
| Cetera Investment Advisers | 11,439 | $15.8M | 0.01% | −2,513−18.0% | Reduced |
| KBC Group NV | 11,300 | $15.6M | 0.03% | −6,520−36.6% | Reduced |
| Hood River Capital Management LLC | 11,027 | $15.2M | 0.11% | +11,027 | New |
| Pathstone Holdings, LLC | 10,932 | $15.2M | 0.04% | −1,077−9.0% | Reduced |
| Macquarie Group Ltd | 10,930 | $15.1M | 0.07% | +441+4.2% | Added |
| Commerce Bank | 10,928 | $15.1M | 0.07% | −111−1.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,853 | $15.0M | 0.05% | +1,527+16.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,851 | $15.0M | 0.07% | −495−4.4% | Reduced |
| Stratos Wealth Partners, LTD. | 10,598 | $14.7M | 0.15% | +1,338+14.4% | Added |
| IFM Investors Pty Ltd | 10,473 | $14.5M | 0.10% | +904+9.4% | Added |
| Catalyst Funds Management Pty Ltd | 10,470 | $14.5M | 0.81% | +10,259+4,862.1% | Added |
| JustInvest LLC | 10,390 | $14.4M | 0.12% | +237+2.3% | Added |
| Retirement Systems of Alabama | 10,320 | $14.3M | 0.04% | −23−0.2% | Reduced |
| Carderock Capital Management Inc | 10,301 | $14.2M | 3.12% | −1,364−11.7% | Reduced |
| Amalgamated Bank | 10,111 | $14.0M | 0.10% | −655−6.1% | Reduced |
| NorthCrest Asset Manangement, LLC | 10,135 | $13.9M | 0.36% | −53−0.5% | Reduced |
| Larson Financial Group LLC | 9,930 | $13.7M | 0.36% | +733+8.0% | Added |
| GF Fund Management Co. Ltd. | 9,921 | $13.7M | 0.16% | +104+1.1% | Added |
| Benjamin Edwards Inc | 9,819 | $13.6M | 0.12% | +1,097+12.6% | Added |
| Mercer Global Advisors Inc | 9,772 | $13.5M | 0.02% | −271−2.7% | Reduced |
| IMC-Chicago, LLC | 9,733 | $13.5M | 0.12% | +6,602+210.9% | Added |
| CCM Investment Advisers LLC | 9,568 | $13.2M | 1.02% | +1,982+26.1% | Added |
| Varma Mutual Pension Insurance Co | 9,200 | $12.7M | 0.07% | +9,200 | New |
| Stanley-Laman Group, Ltd. | 9,172 | $12.7M | 1.29% | −266−2.8% | Reduced |
| Bokf, NA | 8,970 | $12.4M | 0.17% | −135−1.5% | Reduced |
| Wealthfront Advisers LLC | 8,873 | $12.3M | 0.02% | +142+1.6% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 8,820 | $12.2M | 0.10% | +860+10.8% | Added |
| AustralianSuper Pty Ltd | 8,742 | $12.1M | 0.05% | −2,754−24.0% | Reduced |
| Steward Partners Investment Advisory, LLC | 8,663 | $12.0M | 0.06% | +3,408+64.9% | Added |
| UniSuper Management Pty Ltd | 8,594 | $11.9M | 0.06% | −169−1.9% | Reduced |
| Pacer Advisors, Inc. | 8,525 | $11.8M | 0.03% | −30,282−78.0% | Reduced |
| Burney Co | 8,383 | $11.6M | 0.31% | −380−4.3% | Reduced |
| Dakota Wealth Management | 8,310 | $11.5M | 0.22% | +652+8.5% | Added |
| Tower Research Capital LLC (TRC) | 8,143 | $11.3M | 0.28% | +4,529+125.3% | Added |
| New York Life Investment Management LLC | 8,013 | $11.1M | 0.08% | +764+10.5% | Added |
| Hantz Financial Services, Inc. | 7,864 | $10.9M | 0.15% | −1,558−16.5% | Reduced |
| Cornerstone Advisors, LLC | 7,864 | $10.9M | 0.36% | −4,043−34.0% | Reduced |
| Left Brain Wealth Management, LLC | 7,491 | $10.4M | 3.12% | +4,518+152.0% | Added |
| Atlantic Union Bankshares Corp | 7,339 | $10.1M | 0.17% | 00.0% | Unchanged |
| Utah Retirement Systems | 7,178 | $9.92M | 0.09% | −347−4.6% | Reduced |
| Ethic Inc. | 7,107 | $9.82M | 0.12% | +482+7.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,098 | $9.81M | 0.07% | −13−0.2% | Reduced |
| Panagora Asset Management Inc | 7,068 | $9.77M | 0.03% | −35,007−83.2% | Reduced |
| Jupiter Topco LLC | 7,056 | $9.75M | 0.00% | +7,056 | New |
| British Columbia Investment Management Corp | 6,992 | $9.67M | 0.06% | +390+5.9% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 6,873 | $9.50M | 0.01% | −470−6.4% | Reduced |
| Profund Advisors LLC | 6,824 | $9.43M | 0.26% | +919+15.6% | Added |
| Level Four Advisory Services, LLC | 6,809 | $9.41M | 0.27% | −266−3.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,789 | $9.38M | 0.06% | +479+7.6% | Added |
| O'Shaughnessy Asset Management, LLC | 6,770 | $9.36M | 0.04% | −1,644−19.5% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 6,745 | $9.32M | 0.15% | +6,745 | New |