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 2023
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2023. 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
- 669
- +68 vs. Q4 2022
- Shares held
- 47.2M
- +427.4K (+0.9%) vs. Q4 2022
- Total value
- $23.3B
- +$6.76B (+40.9%) vs. Q4 2022
- New holders
- 128
- 233 more added
- Sold out
- 60
- 230 more reduced
10 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Grandeur Peak Global Advisors, LLC | 110,664 | $55.4M | 3.38% | −10,982−9.0% | Reduced |
| Summit Partners Public Asset Management, LLC | 116,721 | $58.4M | 3.28% | +41,997+56.2% | Added |
| D. E. Shaw & Co., Inc. | 121,533 | $60.8M | 0.10% | −47,877−28.3% | Reduced |
| Baird Financial Group, Inc. | 122,064 | $61.1M | 0.15% | −36,160−22.9% | Reduced |
| BNP Paribas Arbitrage, SA | 122,300 | $61.2M | 0.13% | +81,230+197.8% | Added |
| TimesSquare Capital Management, LLC | 125,170 | $62.7M | 0.92% | −13,260−9.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 126,445 | $63.3M | 0.05% | −5,885−4.4% | Reduced |
| STRS Ohio | 133,569 | $66.9M | 0.29% | −35,222−20.9% | Reduced |
| Envestnet Asset Management Inc | 876,025 | $69.4M | 0.03% | +733,832+516.1% | Added |
| Dimensional Fund Advisors LP | 139,211 | $69.7M | 0.02% | +2,662+1.9% | Added |
| Frontier Capital Management Co LLC | 141,962 | $71.1M | 0.73% | +4,200+3.0% | Added |
| CIBC Private Wealth Group, LLC | 143,407 | $71.8M | 0.21% | +36,573+34.2% | Added |
| Balyasny Asset Management LLC | 145,910 | $73.0M | 0.24% | +143,603+6,224.7% | Added |
| Ensign Peak Advisors, Inc | 157,158 | $78.7M | 0.17% | −5,013−3.1% | Reduced |
| TD Asset Management Inc | 161,236 | $80.7M | 0.10% | −20,193−11.1% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 162,026 | $81.1M | 1.00% | +8,403+5.5% | Added |
| UBS Asset Management Americas Inc | 169,193 | $84.7M | 0.04% | −7,601−4.3% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 170,561 | $85.4M | 0.25% | +9,500+5.9% | Added |
| Principal Financial Group Inc | 173,319 | $86.8M | 0.06% | +33,929+24.3% | Added |
| Swiss National Bank | 176,900 | $88.5M | 0.06% | −3,700−2.0% | Reduced |
| Citadel Advisors LLC | 177,347 | $88.8M | 0.10% | +174,965+7,345.3% | Added |
| DekaBank Deutsche Girozentrale | 182,085 | $90.2M | 0.23% | +4,607+2.6% | Added |
| Renaissance Technologies LLC | 194,386 | $97.3M | 0.13% | +102,200+110.9% | Added |
| Holocene Advisors, LP | 195,548 | $97.9M | 0.49% | −282,559−59.1% | Reduced |
| Millennium Management LLC | 197,980 | $99.1M | 0.12% | −250,979−55.9% | Reduced |
| Goldman Sachs Group Inc | 201,284 | $100.8M | 0.03% | −27,792−12.1% | Reduced |
| Earnest Partners LLC | 205,202 | $102.7M | 0.59% | +10,703+5.5% | Added |
| Whale Rock Capital Management LLC | 208,472 | $104.3M | 2.30% | +155,555+294.0% | Added |
| Rafferty Asset Management, LLC | 213,067 | $106.6M | 0.72% | +31,655+17.4% | Added |
| Lord, Abbett & Co. LLC | 231,636 | $115.9M | 0.42% | +45,668+24.6% | Added |
| SEI Investments Co | 237,926 | $119.1M | 0.22% | +20,965+9.7% | Added |
| Robeco Schweiz AG | 238,650 | $119.5M | 1.93% | −2,730−1.1% | Reduced |
| Charles Schwab Investment Management Inc | 255,188 | $127.7M | 0.04% | +5,236+2.1% | Added |
| Ameriprise Financial Inc | 274,581 | $137.5M | 0.05% | +2,990+1.1% | Added |
| American Century Companies Inc | 283,229 | $138.1M | 0.11% | −36,843−11.5% | Reduced |
| Congress Asset Management Co | 276,620 | $138.5M | 1.29% | −36,253−11.6% | Reduced |
| Legal & General Group Plc | 277,059 | $138.7M | 0.05% | +5,048+1.9% | Added |
| Neuberger Berman Group LLC | 301,818 | $150.6M | 0.14% | −223,650−42.6% | Reduced |
| Voya Investment Management LLC | 305,974 | $153.2M | 0.16% | +10,493+3.6% | Added |
| Morgan Stanley | 324,309 | $162.3M | 0.02% | −58,101−15.2% | Reduced |
| Eagle Asset Management Inc | 336,687 | $168.5M | 0.99% | +204+0.1% | Added |
| Polar Capital Holdings Plc | 336,973 | $168.7M | 1.24% | +39,853+13.4% | Added |
| Wellington Management Group LLP | 340,029 | $170.2M | 0.03% | +53,901+18.8% | Added |
| Wasatch Advisors Inc | 361,679 | $181.0M | 1.13% | −14,179−3.8% | Reduced |
| Bank of New York Mellon Corp | 375,669 | $188.0M | 0.04% | −3,390−0.9% | Reduced |
| Impax Asset Management Group plc | 378,712 | $188.8M | 0.79% | −79,878−17.4% | Reduced |
| Los Angeles Capital Management LLC | 392,763 | $196.6M | 0.87% | +9,112+2.4% | Added |
| Allspring Global Investments Holdings, LLC | 415,604 | $208.0M | 0.35% | −33,358−7.4% | Reduced |
| Clearbridge Investments, LLC | 424,396 | $212.4M | 0.20% | −23,444−5.2% | Reduced |
| Northern Trust Corp | 448,889 | $224.7M | 0.04% | +3,871+0.9% | Added |
| Alliancebernstein L.P. | 452,155 | $226.3M | 0.10% | −78,621−14.8% | Reduced |
| Norges Bank | 485,567 | $243.0M | 0.05% | +60,712+14.3% | Added |
| Van Eck Associates Corp | 518,531 | $259.5M | 0.59% | −18,835−3.5% | Reduced |
| Capital Research Global Investors | 570,556 | $285.6M | 0.08% | +122,703+27.4% | Added |
| Macquarie Group Ltd | 634,500 | $317.6M | 0.38% | −11,138−1.7% | Reduced |
| Nuveen Asset Management, LLC | 662,475 | $331.6M | 0.12% | −145,091−18.0% | Reduced |
| JPMorgan Chase & Co | 671,820 | $336.3M | 0.04% | +277,563+70.4% | Added |
| Bank of America Corp | 721,842 | $361.3M | 0.04% | +62,933+9.6% | Added |
| Artisan Partners Limited Partnership | 812,304 | $406.6M | 0.67% | −51,371−5.9% | Reduced |
| Geode Capital Management, LLC | 966,299 | $482.6M | 0.06% | +13,218+1.4% | Added |
| Brown Advisory Inc | 1,027,102 | $514.1M | 0.87% | −32,592−3.1% | Reduced |
| Massachusetts Financial Services Co | 1,130,907 | $566.1M | 0.19% | +10,954+1.0% | Added |
| Invesco Ltd. | 1,640,005 | $820.9M | 0.23% | +153,812+10.3% | Added |
| Franklin Resources Inc | 1,707,607 | $854.7M | 0.43% | +32,399+1.9% | Added |
| FMR LLC | 1,757,149 | $879.5M | 0.08% | +293,326+20.0% | Added |
| State Street Corp | 1,811,967 | $908.7M | 0.05% | +53,355+3.0% | Added |
| Price T Rowe Associates Inc | 3,334,397 | $1.67B | 0.25% | −317,048−8.7% | Reduced |
| Vanguard Group Inc | 5,147,685 | $2.58B | 0.07% | +29,374+0.6% | Added |
| BlackRock Inc. | 5,174,126 | $2.59B | 0.08% | −281,074−5.2% | Reduced |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −119,526−100.0% | Sold out |
| TCWP LLC | 0 | $0 | 0.00% | −13,806−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −13,393−100.0% | Sold out |
| Force Hill Capital Management LP | 0 | $0 | 0.00% | −9,390−100.0% | Sold out |
| Investment Management Corp of Ontario | 0 | $0 | 0.00% | −5,612−100.0% | Sold out |
| Summit Place Financial Advisors, LLC | 0 | $0 | 0.00% | −4,960−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −4,900−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,757−100.0% | Sold out |
| Fiducient Advisors LLC | 0 | $0 | 0.00% | −3,561−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −3,073−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −2,757−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −2,444−100.0% | Sold out |
| Bank Julius Baer & Co. Ltd, Zurich | 0 | $0 | 0.00% | −2,300−100.0% | Sold out |
| Kiwi Wealth Investments Limited Partnership | 0 | $0 | 0.00% | −2,102−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −2,078−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −2,033−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −1,952−100.0% | Sold out |
| Fluent Financial, LLC | 0 | $0 | 0.00% | −1,810−100.0% | Sold out |
| Iron Financial, LLC | 0 | $0 | 0.00% | −1,510−100.0% | Sold out |
| Utah Peaks Capital Inc | 0 | $0 | 0.00% | −1,494−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −1,405−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,298−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −1,287−100.0% | Sold out |
| Capital Impact Advisors, LLC | 0 | $0 | 0.00% | −1,230−100.0% | Sold out |
| Oversea-Chinese Banking CORP Ltd | 0 | $0 | 0.00% | −1,007−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −985−100.0% | Sold out |
| Asahi Life Asset Management Co., Ltd. | 0 | $0 | 0.00% | −869−100.0% | Sold out |
| Sustainable Insight Capital Management, LLC | 0 | $0 | 0.00% | −836−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −782−100.0% | Sold out |