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 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 |
|---|---|---|---|---|---|
| Natixis Advisors, L.P. | 132,238 | $76.7M | 0.14% | −17,445−11.7% | Reduced |
| Swiss National Bank | 137,600 | $79.8M | 0.06% | −100−0.1% | Reduced |
| TimesSquare Capital Management, LLC | 145,302 | $84.3M | 1.36% | +8,660+6.3% | Added |
| Royal Bank of Canada | 146,255 | $84.8M | 0.02% | −86,101−37.1% | Reduced |
| Millennium Management LLC | 148,503 | $86.1M | 0.08% | +23,937+19.2% | Added |
| Holocene Advisors, LP | 149,569 | $86.7M | 0.26% | +149,569 | New |
| Worldquant Millennium Advisors LLC | 157,395 | $91.3M | 0.58% | +152,706+3,256.7% | Added |
| HSBC Holdings PLC | 158,822 | $91.7M | 0.06% | −15,946−9.1% | Reduced |
| DF Dent & Co Inc | 159,988 | $92.8M | 1.24% | +4,449+2.9% | Added |
| Dimensional Fund Advisors LP | 160,549 | $93.1M | 0.02% | +962+0.6% | Added |
| Envestnet Asset Management Inc | 167,518 | $97.2M | 0.03% | −6,354−3.7% | Reduced |
| Deutsche Bank AG | 169,196 | $98.1M | 0.04% | +10,158+6.4% | Added |
| Pictet Asset Management Holding SA | 170,110 | $98.7M | 0.11% | +87,206+105.2% | Added |
| Principal Financial Group Inc | 174,642 | $101.3M | 0.06% | +231+0.1% | Added |
| Voya Investment Management LLC | 175,229 | $101.6M | 0.11% | −23,275−11.7% | Reduced |
| Ameriprise Financial Inc | 177,271 | $102.8M | 0.03% | −8,192−4.4% | Reduced |
| Nuveen, LLC | 182,336 | $105.8M | 0.03% | +182,336 | New |
| First Trust Advisors LP | 183,402 | $106.4M | 0.09% | +106,308+137.9% | Added |
| Allspring Global Investments Holdings, LLC | 183,157 | $106.5M | 0.18% | −23,495−11.4% | Reduced |
| DekaBank Deutsche Girozentrale | 190,045 | $111.7M | 0.22% | −398−0.2% | Reduced |
| Coatue Management LLCSuperinvestorCoatue Management | 193,432 | $112.2M | 0.49% | +193,432 | New |
| SEI Investments Co | 200,444 | $116.3M | 0.15% | +2,028+1.0% | Added |
| Earnest Partners LLC | 203,119 | $117.8M | 0.56% | +108+0.1% | Added |
| American Century Companies Inc | 203,174 | $117.8M | 0.07% | +7,511+3.8% | Added |
| Impax Asset Management Group plc | 208,618 | $120.1M | 0.72% | −29,292−12.3% | Reduced |
| Macquarie Group Ltd | 224,875 | $130.4M | 0.16% | −38,164−14.5% | Reduced |
| Raymond James Financial Inc | 245,661 | $142.5M | 0.05% | +7,711+3.2% | Added |
| Vaughan Nelson Investment Management, L.P. | 256,028 | $148.5M | 1.48% | −130,658−33.8% | Reduced |
| Citigroup Inc | 272,981 | $158.3M | 0.12% | −74,199−21.4% | Reduced |
| BNP Paribas Arbitrage, SA | 284,097 | $164.8M | 0.13% | +132,880+87.9% | Added |
| Alyeska Investment Group, L.P. | 287,149 | $166.5M | 0.67% | +95,249+49.6% | Added |
| UBS Asset Management Americas Inc | 294,091 | $170.6M | 0.04% | +14,441+5.2% | Added |
| Goldman Sachs Group Inc | 298,514 | $173.1M | 0.03% | +33,094+12.5% | Added |
| T. Rowe Price Investment Management, Inc. | 314,449 | $182.4M | 0.12% | +130,394+70.8% | Added |
| Ensign Peak Advisors, Inc | 324,128 | $188.0M | 0.36% | −12,950−3.8% | Reduced |
| Alliancebernstein L.P. | 327,418 | $189.9M | 0.07% | −15,784−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 335,986 | $194.9M | 0.04% | +10,163+3.1% | Added |
| Legal & General Group Plc | 336,733 | $195.3M | 0.05% | +9,555+2.9% | Added |
| Artisan Partners Limited Partnership | 341,854 | $198.3M | 0.32% | −16,923−4.7% | Reduced |
| Bank of New York Mellon Corp | 355,312 | $206.1M | 0.04% | +5,390+1.5% | Added |
| UBS Group AG | 357,290 | $207.2M | 0.05% | −53,282−13.0% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 361,124 | $209.4M | 0.51% | −1,637−0.5% | Reduced |
| Barclays PLC | 368,703 | $213.8M | 0.10% | +35,844+10.8% | Added |
| Rafferty Asset Management, LLC | 388,855 | $225.5M | 0.96% | −30,340−7.2% | Reduced |
| Massachusetts Financial Services Co | 457,551 | $265.4M | 0.09% | −30,749−6.3% | Reduced |
| Northern Trust Corp | 498,516 | $289.1M | 0.04% | −10,777−2.1% | Reduced |
| Morgan Stanley | 540,631 | $313.6M | 0.02% | +81,329+17.7% | Added |
| Bank of America Corp | 587,026 | $340.5M | 0.03% | +32,231+5.8% | Added |
| Norges Bank | 594,318 | $344.7M | 0.05% | −240,239−28.8% | Reduced |
| JPMorgan Chase & Co | 629,566 | $365.1M | 0.03% | +132,078+26.5% | Added |
| Wellington Management Group LLP | 761,906 | $441.9M | 0.09% | −91,123−10.7% | Reduced |
| Brown Advisory Inc | 933,625 | $541.5M | 0.77% | −52,380−5.3% | Reduced |
| Van Eck Associates Corp | 1,046,258 | $606.8M | 0.78% | +270,232+34.8% | Added |
| Invesco Ltd. | 1,249,335 | $724.6M | 0.14% | +86,853+7.5% | Added |
| Franklin Resources Inc | 1,343,830 | $779.4M | 0.23% | −95,992−6.7% | Reduced |
| Geode Capital Management, LLC | 1,406,036 | $814.4M | 0.06% | +40,577+3.0% | Added |
| Price T Rowe Associates Inc | 2,034,731 | $1.18B | 0.15% | +506,430+33.1% | Added |
| State Street Corp | 2,115,705 | $1.23B | 0.05% | −44,314−2.1% | Reduced |
| FMR LLC | 3,498,709 | $2.03B | 0.13% | +380,562+12.2% | Added |
| BlackRock, Inc. | 4,912,908 | $2.85B | 0.06% | −509,319−9.4% | Reduced |
| Vanguard Group Inc | 5,920,669 | $3.43B | 0.06% | +96,395+1.7% | Added |
| PenderFund Capital Management Ltd. | 17 | – | – | +17 | New |
| Proequities, Inc. | 0 | $0 | 0.00% | −267−100.0% | Sold out |
| Kodai Capital Management LP | 0 | $0 | 0.00% | −97,348−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −22,427−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −19,887−100.0% | Sold out |
| Avalon Global Asset Management LLC | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −10,021−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −8,560−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −6,371−100.0% | Sold out |
| Generali Asset Management SPA SGR | 0 | $0 | 0.00% | −5,986−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −5,845−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −5,614−100.0% | Sold out |
| Peak Financial Advisors LLC | 0 | $0 | 0.00% | −5,410−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −5,241−100.0% | Sold out |
| Twin Capital Management Inc | 0 | $0 | 0.00% | −3,453−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,237−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −2,990−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −2,667−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −2,587−100.0% | Sold out |
| Optimas Capital Ltd | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Andar Capital Management HK Ltd | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Polianta Ltd | 0 | $0 | 0.00% | −2,200−100.0% | Sold out |
| Sphera Management Technology Funds Ltd | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −1,318−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −1,293−100.0% | Sold out |
| Connective Capital Management, LLC | 0 | $0 | 0.00% | −1,234−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −1,231−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Bleakley Financial Group, LLC | 0 | $0 | 0.00% | −1,067−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −1,001−100.0% | Sold out |
| Unique Wealth Strategies, LLC | 0 | $0 | 0.00% | −996−100.0% | Sold out |
| Gateway Investment Advisers LLC | 0 | $0 | 0.00% | −993−100.0% | Sold out |
| Sovereign Investment Advisors, LLC | 0 | $0 | 0.00% | −992−100.0% | Sold out |
| LRT Capital Management, LLC | 0 | $0 | 0.00% | −982−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −980−100.0% | Sold out |
| Malaga Cove Capital, LLC | 0 | $0 | 0.00% | −938−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −926−100.0% | Sold out |
| CFC Planning Co LLC | 0 | $0 | 0.00% | −864−100.0% | Sold out |