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, Q4 2021
Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2021. 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
- 627
- +57 vs. Q3 2021
- Shares held
- 43.6M
- +183.8K (+0.4%) vs. Q3 2021
- Total value
- $21.5B
- +$451.8M (+2.1%) vs. Q3 2021
- New holders
- 106
- 241 more added
- Sold out
- 49
- 213 more reduced
9 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,979,931 | $2.95B | 0.08% | +49,738+0.8% | Added |
| Vanguard Group Inc | 4,794,054 | $2.37B | 0.05% | +21,742+0.5% | Added |
| State Street Corp | 1,815,937 | $896.9M | 0.04% | +73,538+4.2% | Added |
| Price T Rowe Associates Inc | 1,635,895 | $807.0M | 0.07% | +118,157+7.8% | Added |
| Invesco Ltd. | 1,633,484 | $805.8M | 0.19% | −39,084−2.3% | Reduced |
| Franklin Resources Inc | 1,564,143 | $771.6M | 0.28% | −11,261−0.7% | Reduced |
| Massachusetts Financial Services Co | 1,144,650 | $564.7M | 0.15% | −75,697−6.2% | Reduced |
| Brown Advisory Inc | 1,011,205 | $498.9M | 0.62% | +83,576+9.0% | Added |
| Nuveen Asset Management, LLC | 1,003,456 | $495.0M | 0.15% | +111,048+12.4% | Added |
| Macquarie Group Ltd | 995,595 | $491.2M | 0.41% | −55,754−5.3% | Reduced |
| Geode Capital Management, LLC | 854,795 | $420.7M | 0.05% | +25,061+3.0% | Added |
| Neuberger Berman Group LLC | 807,676 | $398.3M | 0.31% | +16,421+2.1% | Added |
| Artisan Partners Limited Partnership | 636,258 | $313.9M | 0.38% | +188,179+42.0% | Added |
| Alliancebernstein L.P. | 624,595 | $308.1M | 0.11% | −6,391−1.0% | Reduced |
| Bank of America Corp | 620,825 | $306.3M | 0.03% | +3,043+0.5% | Added |
| Wasatch Advisors Inc | 618,723 | $305.2M | 1.25% | −381,956−38.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 606,218 | $299.1M | 0.33% | +606,218 | New |
| Impax Asset Management Group plc | 544,628 | $267.6M | 0.98% | +72,641+15.4% | Added |
| Clearbridge Investments, LLC | 468,074 | $230.9M | 0.16% | −71,631−13.3% | Reduced |
| JPMorgan Chase & Co | 466,398 | $230.1M | 0.03% | −53,683−10.3% | Reduced |
| Northern Trust Corp | 442,386 | $218.2M | 0.04% | −14,411−3.2% | Reduced |
| Fred Alger Management, LLC | 405,918 | $200.3M | 0.50% | −152,059−27.3% | Reduced |
| Norges Bank | 390,953 | $192.9M | 0.04% | +34,075+9.5% | Added |
| Earnest Partners LLC | 382,646 | $188.8M | 1.09% | −16,577−4.2% | Reduced |
| American Century Companies Inc | 368,645 | $181.9M | 0.12% | +240,599+187.9% | Added |
| Congress Asset Management Co | 349,097 | $172.2M | 1.31% | −25,789−6.9% | Reduced |
| FMR LLC | 346,920 | $171.1M | 0.01% | +50,188+16.9% | Added |
| Lord, Abbett & Co. LLC | 334,645 | $165.1M | 0.38% | +807+0.2% | Added |
| Bank of New York Mellon Corp | 333,550 | $164.5M | 0.03% | −3,282−1.0% | Reduced |
| Ensign Peak Advisors, Inc | 284,925 | $140.6M | 0.27% | +22,033+8.4% | Added |
| Vaughan Nelson Investment Management, L.P. | 280,620 | $138.4M | 1.42% | −57,823−17.1% | Reduced |
| Legal & General Group Plc | 280,036 | $138.2M | 0.04% | −9,222−3.2% | Reduced |
| DekaBank Deutsche Girozentrale | 256,066 | $127.3M | 0.31% | +15,228+6.3% | Added |
| Goldman Sachs Group Inc | 233,985 | $115.4M | 0.03% | −11,299−4.6% | Reduced |
| Baird Financial Group, Inc. | 228,913 | $112.9M | 0.26% | −8,218−3.5% | Reduced |
| Charles Schwab Investment Management Inc | 223,667 | $110.3M | 0.03% | +5,473+2.5% | Added |
| UBS Asset Management Americas Inc | 223,045 | $110.0M | 0.04% | −35,375−13.7% | Reduced |
| TD Asset Management Inc | 208,916 | $103.1M | 0.09% | +21,253+11.3% | Added |
| Wellington Management Group LLP | 192,907 | $95.2M | 0.02% | −5,152−2.6% | Reduced |
| Renaissance Technologies LLC | 181,186 | $89.4M | 0.11% | +100,879+125.6% | Added |
| Barclays PLC | 171,563 | $84.6M | 0.05% | +96,819+129.5% | Added |
| Voya Investment Management LLC | 168,322 | $83.0M | 0.16% | −155,476−48.0% | Reduced |
| TimesSquare Capital Management, LLC | 166,875 | $82.3M | 0.73% | −34,525−17.1% | Reduced |
| Swiss National Bank | 165,789 | $81.8M | 0.05% | −6,000−3.5% | Reduced |
| Rafferty Asset Management, LLC | 162,159 | $80.0M | 0.42% | +52,691+48.1% | Added |
| STRS Ohio | 160,284 | $79.1M | 0.27% | +13,806+9.4% | Added |
| Victory Capital Management Inc | 159,052 | $78.5M | 0.07% | −38,828−19.6% | Reduced |
| SEI Investments Co | 155,316 | $76.6M | 0.14% | +8,920+6.1% | Added |
| New York State Common Retirement Fund | 153,957 | $76.0M | 0.08% | −24,115−13.5% | Reduced |
| Robeco Schweiz AG | 152,700 | $75.3M | 0.98% | −8,206−5.1% | Reduced |
| Dimensional Fund Advisors LP | 149,222 | $73.6M | 0.02% | −578−0.4% | Reduced |
| Citigroup Inc | 148,578 | $73.3M | 0.07% | −4,653−3.0% | Reduced |
| Eagle Asset Management Inc | 148,245 | $72.9M | 0.32% | +908+0.6% | Added |
| Parametric Portfolio Associates LLC | 142,282 | $70.2M | 0.04% | +7,949+5.9% | Added |
| Principal Financial Group Inc | 141,183 | $69.5M | 0.04% | −4,526−3.1% | Reduced |
| Ardevora Asset Management LLP | 140,863 | $69.5M | 0.74% | −31,900−18.5% | Reduced |
| AQR Capital Management LLC | 133,614 | $65.9M | 0.12% | +29,077+27.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 131,078 | $64.7M | 0.04% | −6,046−4.4% | Reduced |
| Thrivent Financial for Lutherans | 130,459 | $64.4M | 0.12% | −29,277−18.3% | Reduced |
| Allianz Asset Management GmbH | 127,766 | $63.0M | 0.05% | −13,583−9.6% | Reduced |
| Polar Capital Holdings Plc | 125,555 | $61.9M | 0.32% | −19,558−13.5% | Reduced |
| AXA S.A. | 125,498 | $61.9M | 0.16% | +2,819+2.3% | Added |
| CIBC Private Wealth Group, LLC | 123,175 | $60.8M | 0.13% | −1,222−1.0% | Reduced |
| Envestnet Asset Management Inc | 117,424 | $57.9M | 0.03% | +17,367+17.4% | Added |
| Marshall Wace, LLP | 115,283 | $56.9M | 0.11% | +113,205+5,447.8% | Added |
| First Trust Advisors LP | 110,630 | $54.6M | 0.05% | +64,614+140.4% | Added |
| Panagora Asset Management Inc | 108,263 | $53.4M | 0.28% | +35,581+49.0% | Added |
| Segall Bryant & Hamill, LLC | 106,785 | $52.7M | 0.49% | +1,503+1.4% | Added |
| Royal Bank of Canada | 103,900 | $51.3M | 0.01% | +3,180+3.2% | Added |
| Deutsche Bank AG | 100,511 | $49.6M | 0.02% | −5,300−5.0% | Reduced |
| California Public Employees Retirement System | 96,554 | $47.6M | 0.03% | −3,912−3.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 95,800 | $47.3M | 0.09% | +24,800+34.9% | Added |
| Teacher Retirement System of Texas | 95,497 | $47.1M | 0.21% | +20,158+26.8% | Added |
| Rhumbline Advisers | 91,439 | $45.1M | 0.06% | +2,209+2.5% | Added |
| Morgan Stanley | 90,668 | $44.7M | 0.01% | −33,614−27.0% | Reduced |
| KBC Group NV | 89,667 | $44.2M | 0.15% | +26,138+41.1% | Added |
| Grandeur Peak Global Advisors, LLC | 86,895 | $42.9M | 1.95% | −2,525−2.8% | Reduced |
| Eventide Asset Management, LLC | 85,157 | $42.0M | 0.54% | +7,698+9.9% | Added |
| Natixis Advisors, L.P. | 84,151 | $41.5M | 0.16% | −6,044−6.7% | Reduced |
| Loomis Sayles & Co L P | 81,826 | $40.4M | 0.05% | −719−0.9% | Reduced |
| Wells Fargo & Company | 79,432 | $39.2M | 0.01% | −621,088−88.7% | Reduced |
| HSBC Holdings PLC | 79,219 | $39.1M | 0.04% | +15,598+24.5% | Added |
| California State Teachers Retirement System | 77,393 | $38.2M | 0.04% | +747+1.0% | Added |
| Natixis Investment Managers International | 77,110 | $38.0M | 2.11% | −22,145−22.3% | Reduced |
| Glenmede Trust Co NA | 75,614 | $37.3M | 0.18% | −87−0.1% | Reduced |
| Prudential Financial Inc | 66,285 | $34.9M | 0.04% | −2,585−3.8% | Reduced |
| National Pension Service | 69,865 | $34.5M | 0.06% | −7,428−9.6% | Reduced |
| Jag Capital Management, LLC | 69,221 | $34.1M | 2.62% | −3,112−4.3% | Reduced |
| UBS Group AG | 67,950 | $33.5M | 0.01% | −42,632−38.6% | Reduced |
| Manufacturers Life Insurance Company, The | 67,117 | $33.1M | 0.02% | +14,164+26.7% | Added |
| Nicholas Investment Partners, LP | 67,008 | $33.1M | 2.09% | +11,741+21.2% | Added |
| Capitolis Advisors LLC | 63,123 | $31.1M | 0.19% | +5,292+9.2% | Added |
| Los Angeles Capital Management LLC | 62,894 | $31.0M | 0.12% | −1,523−2.4% | Reduced |
| Cavalry Management Group, LLC | 62,498 | $30.8M | 3.58% | −10,531−14.4% | Reduced |
| Raymond James & Associates | 61,677 | $30.4M | 0.02% | +2,971+5.1% | Added |
| Millennium Management LLC | 60,463 | $29.8M | 0.03% | +14,712+32.2% | Added |
| BNP Paribas Arbitrage, SA | 60,346 | $29.8M | 0.07% | −73,528−54.9% | Reduced |
| Qube Research & Technologies Ltd | 59,458 | $29.3M | 0.23% | +59,458 | New |
| Toronto Dominion Bank | 59,015 | $29.1M | 0.04% | +32,657+123.9% | Added |
| Natixis | 58,523 | $28.9M | 0.10% | +53,559+1,078.9% | Added |