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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 5,920,669 | $3.43B | 0.06% | +96,395+1.7% | Added |
| BlackRock, Inc. | 4,912,908 | $2.85B | 0.06% | −509,319−9.4% | Reduced |
| FMR LLC | 3,498,709 | $2.03B | 0.13% | +380,562+12.2% | Added |
| State Street Corp | 2,115,705 | $1.23B | 0.05% | −44,314−2.1% | Reduced |
| Price T Rowe Associates Inc | 2,034,731 | $1.18B | 0.15% | +506,430+33.1% | Added |
| Geode Capital Management, LLC | 1,406,036 | $814.4M | 0.06% | +40,577+3.0% | Added |
| Franklin Resources Inc | 1,343,830 | $779.4M | 0.23% | −95,992−6.7% | Reduced |
| Invesco Ltd. | 1,249,335 | $724.6M | 0.14% | +86,853+7.5% | Added |
| Van Eck Associates Corp | 1,046,258 | $606.8M | 0.78% | +270,232+34.8% | Added |
| Brown Advisory Inc | 933,625 | $541.5M | 0.77% | −52,380−5.3% | Reduced |
| Wellington Management Group LLP | 761,906 | $441.9M | 0.09% | −91,123−10.7% | Reduced |
| JPMorgan Chase & Co | 629,566 | $365.1M | 0.03% | +132,078+26.5% | Added |
| Norges Bank | 594,318 | $344.7M | 0.05% | −240,239−28.8% | Reduced |
| Bank of America Corp | 587,026 | $340.5M | 0.03% | +32,231+5.8% | Added |
| Morgan Stanley | 540,631 | $313.6M | 0.02% | +81,329+17.7% | Added |
| Northern Trust Corp | 498,516 | $289.1M | 0.04% | −10,777−2.1% | Reduced |
| Massachusetts Financial Services Co | 457,551 | $265.4M | 0.09% | −30,749−6.3% | Reduced |
| Rafferty Asset Management, LLC | 388,855 | $225.5M | 0.96% | −30,340−7.2% | Reduced |
| Barclays PLC | 368,703 | $213.8M | 0.10% | +35,844+10.8% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 361,124 | $209.4M | 0.51% | −1,637−0.5% | Reduced |
| UBS Group AG | 357,290 | $207.2M | 0.05% | −53,282−13.0% | Reduced |
| Bank of New York Mellon Corp | 355,312 | $206.1M | 0.04% | +5,390+1.5% | Added |
| Artisan Partners Limited Partnership | 341,854 | $198.3M | 0.32% | −16,923−4.7% | Reduced |
| Legal & General Group Plc | 336,733 | $195.3M | 0.05% | +9,555+2.9% | Added |
| Charles Schwab Investment Management Inc | 335,986 | $194.9M | 0.04% | +10,163+3.1% | Added |
| Alliancebernstein L.P. | 327,418 | $189.9M | 0.07% | −15,784−4.6% | Reduced |
| Ensign Peak Advisors, Inc | 324,128 | $188.0M | 0.36% | −12,950−3.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 314,449 | $182.4M | 0.12% | +130,394+70.8% | Added |
| Goldman Sachs Group Inc | 298,514 | $173.1M | 0.03% | +33,094+12.5% | Added |
| UBS Asset Management Americas Inc | 294,091 | $170.6M | 0.04% | +14,441+5.2% | Added |
| Alyeska Investment Group, L.P. | 287,149 | $166.5M | 0.67% | +95,249+49.6% | Added |
| BNP Paribas Arbitrage, SA | 284,097 | $164.8M | 0.13% | +132,880+87.9% | Added |
| Citigroup Inc | 272,981 | $158.3M | 0.12% | −74,199−21.4% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 256,028 | $148.5M | 1.48% | −130,658−33.8% | Reduced |
| Raymond James Financial Inc | 245,661 | $142.5M | 0.05% | +7,711+3.2% | Added |
| Macquarie Group Ltd | 224,875 | $130.4M | 0.16% | −38,164−14.5% | Reduced |
| Impax Asset Management Group plc | 208,618 | $120.1M | 0.72% | −29,292−12.3% | Reduced |
| American Century Companies Inc | 203,174 | $117.8M | 0.07% | +7,511+3.8% | Added |
| Earnest Partners LLC | 203,119 | $117.8M | 0.56% | +108+0.1% | Added |
| SEI Investments Co | 200,444 | $116.3M | 0.15% | +2,028+1.0% | Added |
| Coatue Management LLCSuperinvestorCoatue Management | 193,432 | $112.2M | 0.49% | +193,432 | New |
| DekaBank Deutsche Girozentrale | 190,045 | $111.7M | 0.22% | −398−0.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 183,157 | $106.5M | 0.18% | −23,495−11.4% | Reduced |
| First Trust Advisors LP | 183,402 | $106.4M | 0.09% | +106,308+137.9% | Added |
| Nuveen, LLC | 182,336 | $105.8M | 0.03% | +182,336 | New |
| Ameriprise Financial Inc | 177,271 | $102.8M | 0.03% | −8,192−4.4% | Reduced |
| Voya Investment Management LLC | 175,229 | $101.6M | 0.11% | −23,275−11.7% | Reduced |
| Principal Financial Group Inc | 174,642 | $101.3M | 0.06% | +231+0.1% | Added |
| Pictet Asset Management Holding SA | 170,110 | $98.7M | 0.11% | +87,206+105.2% | Added |
| Deutsche Bank AG | 169,196 | $98.1M | 0.04% | +10,158+6.4% | Added |
| Envestnet Asset Management Inc | 167,518 | $97.2M | 0.03% | −6,354−3.7% | Reduced |
| Dimensional Fund Advisors LP | 160,549 | $93.1M | 0.02% | +962+0.6% | Added |
| DF Dent & Co Inc | 159,988 | $92.8M | 1.24% | +4,449+2.9% | Added |
| HSBC Holdings PLC | 158,822 | $91.7M | 0.06% | −15,946−9.1% | Reduced |
| Worldquant Millennium Advisors LLC | 157,395 | $91.3M | 0.58% | +152,706+3,256.7% | Added |
| Holocene Advisors, LP | 149,569 | $86.7M | 0.26% | +149,569 | New |
| Millennium Management LLC | 148,503 | $86.1M | 0.08% | +23,937+19.2% | Added |
| Royal Bank of Canada | 146,255 | $84.8M | 0.02% | −86,101−37.1% | Reduced |
| TimesSquare Capital Management, LLC | 145,302 | $84.3M | 1.36% | +8,660+6.3% | Added |
| Swiss National Bank | 137,600 | $79.8M | 0.06% | −100−0.1% | Reduced |
| Natixis Advisors, L.P. | 132,238 | $76.7M | 0.14% | −17,445−11.7% | Reduced |
| Rokos Capital Management LLP | 129,357 | $75.0M | 2.04% | −51,487−28.5% | Reduced |
| Frontier Capital Management Co LLC | 128,722 | $74.7M | 0.82% | −20,731−13.9% | Reduced |
| Manufacturers Life Insurance Company, The | 123,431 | $71.6M | 0.07% | −22,522−15.4% | Reduced |
| Congress Asset Management Co | 122,660 | $71.1M | 0.53% | −8,042−6.2% | Reduced |
| Rhumbline Advisers | 116,467 | $67.5M | 0.06% | +8,693+8.1% | Added |
| EULAV Asset Management | 116,276 | $67.4M | 1.67% | +20.0% | Added |
| Adage Capital Partners GP, L.L.C. | 116,100 | $67.3M | 0.12% | +22,500+24.0% | Added |
| Robeco Schweiz AG | 116,046 | $67.3M | 1.66% | +5,819+5.3% | Added |
| STRS Ohio | 114,000 | $66.1M | 0.28% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 112,680 | $65.4M | 0.05% | +289+0.3% | Added |
| LPL Financial LLC | 112,122 | $65.0M | 0.03% | +3,379+3.1% | Added |
| FIL Ltd | 110,587 | $64.1M | 0.06% | +109,989+18,392.8% | Added |
| Baird Financial Group, Inc. | 108,532 | $62.9M | 0.12% | −54,373−33.4% | Reduced |
| Janus Henderson Group PLC | 105,613 | $61.3M | 0.03% | +99,668+1,676.5% | Added |
| Neuberger Berman Group LLC | 102,726 | $59.6M | 0.05% | −37,645−26.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 99,191 | $57.5M | 0.12% | −40,398−28.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 99,173 | $57.5M | 0.05% | +20,625+26.3% | Added |
| Amundi | 105,612 | $56.4M | 0.02% | +13,424+14.6% | Added |
| California Public Employees Retirement System | 96,112 | $55.7M | 0.04% | +14,954+18.4% | Added |
| Balyasny Asset Management LLC | 95,000 | $55.1M | 0.14% | −31,249−24.8% | Reduced |
| Panagora Asset Management Inc | 94,479 | $54.8M | 0.27% | +25,533+37.0% | Added |
| Victory Capital Management Inc | 92,182 | $53.5M | 0.05% | −44,745−32.7% | Reduced |
| Stifel Financial Corp | 83,267 | $48.3M | 0.05% | +6,278+8.2% | Added |
| Allianz Asset Management GmbH | 82,963 | $48.1M | 0.07% | −80,102−49.1% | Reduced |
| Resona Asset Management Co.,Ltd. | 81,537 | $47.3M | 0.27% | +359+0.4% | Added |
| Candriam Luxembourg S.C.A. | 76,651 | $44.5M | 0.28% | +25,859+50.9% | Added |
| National Pension Service | 76,584 | $44.4M | 0.04% | +10,108+15.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 74,774 | $43.4M | 0.18% | +6,217+9.1% | Added |
| California State Teachers Retirement System | 74,094 | $43.0M | 0.05% | −803−1.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 73,624 | $42.7M | 0.12% | +18,985+34.7% | Added |
| Grandeur Peak Global Advisors, LLC | 72,264 | $41.9M | 4.65% | +10,148+16.3% | Added |
| AQR Capital Management LLC | 73,237 | $41.4M | 0.04% | −15,396−17.4% | Reduced |
| AXA S.A. | 70,750 | $41.0M | 0.13% | +10,592+17.6% | Added |
| Wells Fargo & Company | 68,714 | $39.9M | 0.01% | −662−1.0% | Reduced |
| Susquehanna International Group, LLP | 64,842 | $37.6M | 0.06% | +13,131+25.4% | Added |
| Great West Life Assurance Co | 62,556 | $36.3M | 0.06% | −6,435−9.3% | Reduced |
| CI Private Wealth, LLC | 58,034 | $33.7M | 0.06% | −9,660−14.3% | Reduced |
| Canada Pension Plan Investment Board | 57,342 | $33.3M | 0.03% | −97,831−63.0% | Reduced |
| Freestone Grove Partners LP | 56,961 | $33.0M | 0.34% | +30,210+112.9% | Added |