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 $65.7B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.
13F holders, Q2 2025
Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 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
- 907
- +55 vs. Q1 2025
- Shares held
- 47.4M
- +747.4K (+1.6%) vs. Q1 2025
- Total value
- $34.6B
- +$7.61B (+28.2%) vs. Q1 2025
- New holders
- 139
- 376 more added
- Sold out
- 84
- 299 more reduced
10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $65.7B |
| Q1 2026 | 1,124 | $51.6B |
| Q4 2025 | 1,061 | $44.9B |
| Q3 2025 | 981 | $43.8B |
| Q2 2025 | 907 | $34.8B |
| Q1 2025 | 862 | $27.2B |
| Q4 2024 | 864 | $27.6B |
| Q3 2024 | 885 | $43.6B |
| Q2 2024 | 838 | $39.7B |
| Q1 2024 | 807 | $32.6B |
| Q4 2023 | 737 | $29.8B |
| Q3 2023 | 655 | $21.3B |
| Q2 2023 | 652 | $25.4B |
| Q1 2023 | 669 | $24.5B |
| Q4 2022 | 611 | $16.6B |
| Q3 2022 | 631 | $16.7B |
| Q2 2022 | 625 | $16.8B |
| Q1 2022 | 611 | $21.4B |
| Q4 2021 | 627 | $21.6B |
| Q3 2021 | 579 | $21.1B |
| Q2 2021 | 533 | $16.1B |
| Q1 2021 | 530 | $15.1B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,939,946 | $4.34B | 0.07% | +19,277+0.3% | Added |
| BlackRock, Inc. | 5,229,221 | $3.82B | 0.07% | +316,313+6.4% | Added |
| FMR LLC | 3,392,704 | $2.48B | 0.14% | −106,005−3.0% | Reduced |
| State Street Corp | 2,120,034 | $1.55B | 0.06% | +4,329+0.2% | Added |
| Price T Rowe Associates Inc | 2,088,804 | $1.53B | 0.17% | +54,073+2.7% | Added |
| Geode Capital Management, LLC | 1,318,541 | $962.0M | 0.07% | −87,495−6.2% | Reduced |
| Invesco Ltd. | 1,166,059 | $852.8M | 0.15% | −83,276−6.7% | Reduced |
| Franklin Resources Inc | 1,088,297 | $796.0M | 0.21% | −255,533−19.0% | Reduced |
| Van Eck Associates Corp | 952,060 | $696.3M | 0.79% | −94,198−9.0% | Reduced |
| T. Rowe Price Investment Management, Inc. | 927,806 | $678.6M | 0.43% | +613,357+195.1% | Added |
| Brown Advisory Inc | 864,309 | $632.2M | 0.83% | −69,316−7.4% | Reduced |
| JPMorgan Chase & Co | 856,725 | $626.6M | 0.04% | +227,159+36.1% | Added |
| Wellington Management Group LLP | 703,151 | $514.3M | 0.09% | −58,755−7.7% | Reduced |
| Bank of America Corp | 692,747 | $506.7M | 0.04% | +105,721+18.0% | Added |
| Norges Bank | 598,887 | $438.0M | 0.05% | +4,569+0.8% | Added |
| Morgan Stanley | 565,019 | $413.2M | 0.03% | +24,388+4.5% | Added |
| Rafferty Asset Management, LLC | 529,124 | $387.0M | 1.28% | +140,269+36.1% | Added |
| FIL Ltd | 523,073 | $382.6M | 0.33% | +412,486+373.0% | Added |
| Goldman Sachs Group Inc | 512,448 | $374.8M | 0.06% | +213,934+71.7% | Added |
| UBS Group AG | 502,536 | $367.5M | 0.08% | +145,246+40.7% | Added |
| Massachusetts Financial Services Co | 485,388 | $355.0M | 0.11% | +27,837+6.1% | Added |
| Northern Trust Corp | 482,057 | $352.6M | 0.05% | −16,459−3.3% | Reduced |
| Barclays PLC | 438,599 | $320.8M | 0.13% | +69,896+19.0% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 363,958 | $266.2M | 0.64% | +2,834+0.8% | Added |
| Legal & General Group Plc | 350,574 | $256.4M | 0.06% | +13,841+4.1% | Added |
| Charles Schwab Investment Management Inc | 343,961 | $251.6M | 0.04% | +7,975+2.4% | Added |
| Bank of New York Mellon Corp | 336,550 | $246.1M | 0.05% | −18,762−5.3% | Reduced |
| UBS Asset Management Americas Inc | 323,293 | $236.5M | 0.05% | +29,202+9.9% | Added |
| Alliancebernstein L.P. | 314,136 | $229.8M | 0.07% | −13,282−4.1% | Reduced |
| Raymond James Financial Inc | 286,448 | $209.5M | 0.07% | +40,787+16.6% | Added |
| Citigroup Inc | 278,929 | $204.0M | 0.14% | +5,948+2.2% | Added |
| Vaughan Nelson Investment Management, L.P. | 272,047 | $199.0M | 1.86% | +16,019+6.3% | Added |
| First Trust Advisors LP | 269,179 | $196.9M | 0.16% | +85,777+46.8% | Added |
| Voya Investment Management LLC | 228,135 | $166.9M | 0.17% | +52,906+30.2% | Added |
| Ameriprise Financial Inc | 218,977 | $160.2M | 0.04% | +41,706+23.5% | Added |
| Artisan Partners Limited Partnership | 207,647 | $151.9M | 0.23% | −134,207−39.3% | Reduced |
| Earnest Partners LLC | 203,136 | $148.6M | 0.67% | +170.0% | Added |
| SEI Investments Co | 199,487 | $145.9M | 0.17% | −957−0.5% | Reduced |
| BNP Paribas Arbitrage, SA | 195,134 | $142.7M | 0.11% | −88,963−31.3% | Reduced |
| Macquarie Group Ltd | 194,494 | $142.2M | 0.17% | −30,381−13.5% | Reduced |
| Ensign Peak Advisors, Inc | 192,791 | $141.0M | 0.24% | −131,337−40.5% | Reduced |
| Royal Bank of Canada | 190,402 | $139.3M | 0.03% | +44,147+30.2% | Added |
| DekaBank Deutsche Girozentrale | 190,443 | $138.0M | 0.25% | +398+0.2% | Added |
| American Century Companies Inc | 181,926 | $133.1M | 0.07% | −21,248−10.5% | Reduced |
| Impax Asset Management Group plc | 173,844 | $126.2M | 0.73% | −34,774−16.7% | Reduced |
| DF Dent & Co Inc | 171,078 | $125.1M | 1.59% | +11,090+6.9% | Added |
| Allspring Global Investments Holdings, LLC | 166,842 | $124.6M | 0.21% | −16,315−8.9% | Reduced |
| Envestnet Asset Management Inc | 169,907 | $124.3M | 0.04% | +2,389+1.4% | Added |
| Principal Financial Group Inc | 169,845 | $124.2M | 0.07% | −4,797−2.7% | Reduced |
| Pictet Asset Management Holding SA | 165,165 | $120.8M | 0.12% | −4,945−2.9% | Reduced |
| Deutsche Bank AG | 163,918 | $119.9M | 0.04% | −5,278−3.1% | Reduced |
| Dimensional Fund Advisors LP | 150,361 | $110.0M | 0.03% | −10,188−6.3% | Reduced |
| TimesSquare Capital Management, LLC | 147,907 | $108.2M | 1.56% | +2,605+1.8% | Added |
| Swiss National Bank | 144,900 | $106.0M | 0.06% | +7,300+5.3% | Added |
| HSBC Holdings PLC | 142,566 | $104.4M | 0.07% | −16,256−10.2% | Reduced |
| Nuveen, LLC | 137,798 | $100.8M | 0.03% | −44,538−24.4% | Reduced |
| Frontier Capital Management Co LLC | 132,843 | $97.2M | 0.90% | +4,121+3.2% | Added |
| Natixis Advisors, L.P. | 132,589 | $97.0M | 0.15% | +351+0.3% | Added |
| Janus Henderson Group PLC | 127,429 | $93.2M | 0.05% | +21,816+20.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 126,910 | $92.8M | 0.19% | +126,340+22,164.9% | Added |
| Amundi | 132,120 | $92.6M | 0.03% | +26,508+25.1% | Added |
| Congress Asset Management Co | 125,169 | $91.5M | 0.63% | +2,509+2.0% | Added |
| Rokos Capital Management LLP | 121,436 | $88.8M | 1.48% | −7,921−6.1% | Reduced |
| Rhumbline Advisers | 117,094 | $85.6M | 0.07% | +627+0.5% | Added |
| EULAV Asset Management | 116,276 | $85.0M | 2.00% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 112,516 | $82.3M | 0.05% | −164−0.1% | Reduced |
| Allianz Asset Management GmbH | 110,552 | $80.9M | 0.11% | +27,589+33.3% | Added |
| Neuberger Berman Group LLC | 110,389 | $80.7M | 0.06% | +7,663+7.5% | Added |
| CI Private Wealth, LLC | 110,282 | $80.7M | 0.11% | +52,248+90.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 109,934 | $80.4M | 0.06% | +10,761+10.9% | Added |
| STRS Ohio | 109,406 | $80.0M | 0.30% | −4,594−4.0% | Reduced |
| Manufacturers Life Insurance Company, The | 107,038 | $78.3M | 0.07% | −16,393−13.3% | Reduced |
| Robeco Schweiz AG | 106,743 | $78.1M | 1.80% | −9,303−8.0% | Reduced |
| Stifel Financial Corp | 105,333 | $77.0M | 0.07% | +22,066+26.5% | Added |
| AXA S.A. | 104,584 | $76.5M | 0.22% | +33,834+47.8% | Added |
| Baird Financial Group, Inc. | 104,333 | $76.3M | 0.13% | −4,199−3.9% | Reduced |
| California Public Employees Retirement System | 99,183 | $72.5M | 0.05% | +3,071+3.2% | Added |
| Victory Capital Management Inc | 91,857 | $67.2M | 0.04% | −325−0.4% | Reduced |
| TD Asset Management Inc | 89,786 | $65.7M | 0.06% | +50,005+125.7% | Added |
| Wells Fargo & Company | 82,085 | $60.0M | 0.01% | +13,371+19.5% | Added |
| Resona Asset Management Co.,Ltd. | 80,793 | $59.2M | 0.29% | −744−0.9% | Reduced |
| Candriam Luxembourg S.C.A. | 80,346 | $58.8M | 0.34% | +3,695+4.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 77,763 | $56.9M | 0.20% | +2,989+4.0% | Added |
| National Pension Service | 77,151 | $56.4M | 0.05% | +567+0.7% | Added |
| Susquehanna International Group, LLP | 76,073 | $55.6M | 0.09% | +11,231+17.3% | Added |
| Adage Capital Partners GP, L.L.C. | 75,952 | $55.5M | 0.09% | −40,148−34.6% | Reduced |
| California State Teachers Retirement System | 74,352 | $54.4M | 0.06% | +258+0.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 70,683 | $51.7M | 0.13% | −2,941−4.0% | Reduced |
| Jupiter Asset Management Ltd | 70,356 | $51.5M | 0.43% | +44,355+170.6% | Added |
| Nomura Asset Management Co Ltd | 68,772 | $50.3M | 0.14% | +52,272+316.8% | Added |
| Grandeur Peak Global Advisors, LLC | 68,286 | $49.9M | 6.02% | −3,978−5.5% | Reduced |
| Great West Life Assurance Co | 66,909 | $49.0M | 0.08% | +4,353+7.0% | Added |
| Caisse de Depot Et Placement du Quebec | 65,946 | $48.2M | 0.10% | −33,245−33.5% | Reduced |
| CIBC Private Wealth Group, LLC | 63,640 | $46.5M | 0.08% | −3,214−4.8% | Reduced |
| Panagora Asset Management Inc | 62,383 | $45.6M | 0.21% | −32,096−34.0% | Reduced |
| LPL Financial LLC | 59,255 | $43.3M | 0.01% | −52,867−47.2% | Reduced |
| Canada Pension Plan Investment Board | 56,775 | $41.5M | 0.04% | −567−1.0% | Reduced |
| Pembroke Management, LTD | 54,969 | $40.2M | 4.86% | +12,750+30.2% | Added |
| Pacer Advisors, Inc. | 53,675 | $39.3M | 0.10% | +43,989+454.2% | Added |
| Andra AP-fonden | 53,119 | $38.9M | 0.54% | +11,300+27.0% | Added |