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 2022
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2022. 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
- 611
- −11 vs. Q4 2021
- Shares held
- 44.0M
- +395.1K (+0.9%) vs. Q4 2021
- Total value
- $21.3B
- −$206.7M (−1.0%) vs. Q4 2021
- New holders
- 77
- 256 more added
- Sold out
- 88
- 205 more reduced
5 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 6,249,482 | $3.04B | 0.08% | +269,551+4.5% | Added |
| Vanguard Group Inc | 4,872,963 | $2.37B | 0.06% | +78,909+1.6% | Added |
| State Street Corp | 1,816,489 | $883.6M | 0.04% | +5520.0% | Added |
| Franklin Resources Inc | 1,554,201 | $754.8M | 0.30% | −9,942−0.6% | Reduced |
| Price T Rowe Associates Inc | 1,505,118 | $731.0M | 0.07% | −130,777−8.0% | Reduced |
| Invesco Ltd. | 1,424,066 | $691.6M | 0.18% | −209,418−12.8% | Reduced |
| Massachusetts Financial Services Co | 1,129,893 | $548.8M | 0.16% | −14,757−1.3% | Reduced |
| Brown Advisory Inc | 1,038,112 | $504.2M | 0.75% | +26,907+2.7% | Added |
| Nuveen Asset Management, LLC | 951,823 | $442.1M | 0.14% | −51,633−5.1% | Reduced |
| Geode Capital Management, LLC | 884,362 | $428.6M | 0.05% | +29,567+3.5% | Added |
| Macquarie Group Ltd | 870,925 | $423.0M | 0.38% | −124,670−12.5% | Reduced |
| Artisan Partners Limited Partnership | 789,018 | $383.2M | 0.51% | +152,760+24.0% | Added |
| Whale Rock Capital Management LLC | 759,534 | $368.9M | 4.57% | +759,534 | New |
| Bank of America Corp | 651,975 | $316.7M | 0.03% | +31,150+5.0% | Added |
| Neuberger Berman Group LLC | 617,464 | $299.9M | 0.25% | −190,212−23.6% | Reduced |
| Alliancebernstein L.P. | 602,485 | $292.6M | 0.11% | −22,110−3.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 564,727 | $274.3M | 0.35% | −41,491−6.8% | Reduced |
| Clearbridge Investments, LLC | 467,938 | $227.3M | 0.17% | −1360.0% | Reduced |
| Northern Trust Corp | 444,146 | $215.7M | 0.04% | +1,760+0.4% | Added |
| Impax Asset Management Group plc | 433,815 | $209.8M | 0.87% | −110,813−20.3% | Reduced |
| JPMorgan Chase & Co | 429,289 | $208.5M | 0.03% | −37,109−8.0% | Reduced |
| Norges Bank | 393,746 | $191.2M | 0.04% | +2,793+0.7% | Added |
| American Century Companies Inc | 392,850 | $190.8M | 0.13% | +24,205+6.6% | Added |
| Wasatch Advisors Inc | 381,987 | $185.5M | 0.91% | −236,736−38.3% | Reduced |
| Earnest Partners LLC | 376,354 | $182.8M | 1.08% | −6,292−1.6% | Reduced |
| FMR LLC | 352,022 | $171.0M | 0.01% | +5,102+1.5% | Added |
| Congress Asset Management Co | 344,225 | $167.2M | 1.42% | −4,872−1.4% | Reduced |
| Van Eck Associates Corp | 334,041 | $162.2M | 0.33% | +310,099+1,295.2% | Added |
| Lord, Abbett & Co. LLC | 332,641 | $161.6M | 0.43% | −2,004−0.6% | Reduced |
| Bank of New York Mellon Corp | 329,000 | $159.8M | 0.03% | −4,550−1.4% | Reduced |
| Fred Alger Management, LLC | 315,227 | $153.1M | 0.49% | −90,691−22.3% | Reduced |
| Citadel Advisors LLC | 296,214 | $143.9M | 0.17% | +261,338+749.3% | Added |
| DekaBank Deutsche Girozentrale | 288,468 | $141.1M | 0.35% | +32,402+12.7% | Added |
| Legal & General Group Plc | 283,112 | $137.5M | 0.04% | +3,076+1.1% | Added |
| Eagle Asset Management Inc | 268,163 | $130.2M | 0.67% | +119,918+80.9% | Added |
| Robeco Schweiz AG | 235,425 | $114.3M | 1.61% | +82,725+54.2% | Added |
| Baird Financial Group, Inc. | 234,335 | $113.8M | 0.28% | +5,422+2.4% | Added |
| Goldman Sachs Group Inc | 233,077 | $113.2M | 0.03% | −908−0.4% | Reduced |
| Charles Schwab Investment Management Inc | 226,421 | $110.0M | 0.03% | +2,754+1.2% | Added |
| Wellington Management Group LLP | 199,465 | $96.9M | 0.02% | +6,558+3.4% | Added |
| Rafferty Asset Management, LLC | 199,157 | $96.7M | 0.57% | +36,998+22.8% | Added |
| Swiss National Bank | 189,589 | $92.1M | 0.05% | +23,800+14.4% | Added |
| Polar Capital Holdings Plc | 188,399 | $91.5M | 0.54% | +62,844+50.1% | Added |
| Victory Capital Management Inc | 196,922 | $91.5M | 0.09% | +37,870+23.8% | Added |
| STRS Ohio | 179,352 | $87.1M | 0.32% | +19,068+11.9% | Added |
| TimesSquare Capital Management, LLC | 176,050 | $85.5M | 0.96% | +9,175+5.5% | Added |
| Voya Investment Management LLC | 173,673 | $84.3M | 0.17% | +5,351+3.2% | Added |
| Ensign Peak Advisors, Inc | 170,691 | $82.9M | 0.17% | −114,234−40.1% | Reduced |
| SEI Investments Co | 168,311 | $81.7M | 0.16% | +12,995+8.4% | Added |
| Parametric Portfolio Associates LLC | 165,795 | $80.5M | 0.04% | +23,513+16.5% | Added |
| New York State Common Retirement Fund | 165,589 | $80.4M | 0.09% | +11,632+7.6% | Added |
| Citigroup Inc | 165,095 | $80.2M | 0.08% | +16,517+11.1% | Added |
| Summit Partners Public Asset Management, LLC | 161,619 | $78.5M | 4.31% | +161,619 | New |
| TD Asset Management Inc | 159,345 | $77.4M | 0.07% | −49,571−23.7% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 158,477 | $77.0M | 0.87% | −122,143−43.5% | Reduced |
| Renaissance Technologies LLC | 153,526 | $74.6M | 0.09% | −27,660−15.3% | Reduced |
| Allianz Asset Management GmbH | 153,043 | $74.3M | 0.06% | +25,277+19.8% | Added |
| UBS Asset Management Americas Inc | 151,513 | $73.6M | 0.03% | −71,532−32.1% | Reduced |
| Cavalry Management Group, LLC | 149,095 | $72.4M | 6.10% | +86,597+138.6% | Added |
| Dimensional Fund Advisors LP | 147,970 | $71.9M | 0.02% | −1,252−0.8% | Reduced |
| Barclays PLC | 144,569 | $70.2M | 0.06% | −26,994−15.7% | Reduced |
| Principal Financial Group Inc | 138,766 | $67.4M | 0.04% | −2,417−1.7% | Reduced |
| Envestnet Asset Management Inc | 131,382 | $63.8M | 0.03% | +13,958+11.9% | Added |
| Marshall Wace, LLP | 125,549 | $61.0M | 0.13% | +10,266+8.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 121,274 | $58.9M | 0.04% | −9,804−7.5% | Reduced |
| Eventide Asset Management, LLC | 117,848 | $57.2M | 0.90% | +32,691+38.4% | Added |
| Thrivent Financial for Lutherans | 111,197 | $54.0M | 0.11% | −19,262−14.8% | Reduced |
| Royal Bank of Canada | 110,320 | $53.6M | 0.01% | +6,420+6.2% | Added |
| Segall Bryant & Hamill, LLC | 107,796 | $52.3M | 0.50% | +1,011+0.9% | Added |
| Morgan Stanley | 104,714 | $50.9M | 0.01% | +14,046+15.5% | Added |
| Deutsche Bank AG | 104,363 | $50.7M | 0.02% | +3,852+3.8% | Added |
| AXA S.A. | 103,920 | $50.5M | 0.14% | −21,578−17.2% | Reduced |
| Teacher Retirement System of Texas | 102,851 | $50.0M | 0.26% | +7,354+7.7% | Added |
| AQR Capital Management LLC | 102,466 | $49.8M | 0.09% | −31,148−23.3% | Reduced |
| UBS Group AG | 101,406 | $49.3M | 0.02% | +33,456+49.2% | Added |
| Manufacturers Life Insurance Company, The | 97,919 | $47.6M | 0.03% | +30,802+45.9% | Added |
| Grandeur Peak Global Advisors, LLC | 96,360 | $46.8M | 2.22% | +9,465+10.9% | Added |
| Amundi | 105,707 | $46.1M | 0.03% | +77,317+272.3% | Added |
| California Public Employees Retirement System | 92,892 | $45.1M | 0.04% | −3,662−3.8% | Reduced |
| Rhumbline Advisers | 89,421 | $43.4M | 0.06% | −2,018−2.2% | Reduced |
| Wells Fargo & Company | 88,508 | $43.0M | 0.01% | +9,076+11.4% | Added |
| Adage Capital Partners GP, L.L.C. | 88,085 | $42.8M | 0.08% | −7,715−8.1% | Reduced |
| Jupiter Asset Management Ltd | 84,682 | $41.1M | 0.49% | +61,624+267.3% | Added |
| Jennison Associates LLC | 77,717 | $37.7M | 0.03% | +21,610+38.5% | Added |
| Los Angeles Capital Management LLC | 77,376 | $37.6M | 0.15% | +14,482+23.0% | Added |
| Millennium Management LLC | 75,936 | $36.9M | 0.05% | +15,473+25.6% | Added |
| National Pension Service | 74,826 | $36.3M | 0.07% | +4,961+7.1% | Added |
| California State Teachers Retirement System | 73,186 | $35.5M | 0.05% | −4,207−5.4% | Reduced |
| HSBC Holdings PLC | 72,968 | $35.5M | 0.05% | −6,251−7.9% | Reduced |
| Glenmede Trust Co NA | 73,032 | $35.5M | 0.17% | −2,582−3.4% | Reduced |
| First Trust Advisors LP | 70,677 | $34.3M | 0.04% | −39,953−36.1% | Reduced |
| Raymond James & Associates | 65,455 | $31.8M | 0.03% | +3,778+6.1% | Added |
| Natixis Advisors, L.P. | 63,276 | $30.7M | 0.12% | −20,875−24.8% | Reduced |
| Lazard Asset Management LLC | 61,322 | $29.8M | 0.03% | +28,809+88.6% | Added |
| Loomis Sayles & Co L P | 57,841 | $28.1M | 0.04% | −23,985−29.3% | Reduced |
| Nicholas Investment Partners, LP | 56,920 | $27.6M | 1.97% | −10,088−15.1% | Reduced |
| Azimuth Capital Management LLC | 53,317 | $25.9M | 1.11% | +1,764+3.4% | Added |
| State Board of Administration of Florida Retirement System | 52,457 | $25.5M | 0.05% | −637−1.2% | Reduced |
| Parnassus Investments | 50,262 | $24.4M | 0.05% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 50,201 | $24.4M | 0.05% | −10,145−16.8% | Reduced |