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 $65.7B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.
13F holders, Q2 2021
Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 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
- 533
- +10 vs. Q1 2021
- Shares held
- 43.1M
- +1.24M (+3.0%) vs. Q1 2021
- Total value
- $16.1B
- +$1.31B (+8.9%) vs. Q1 2021
- New holders
- 62
- 214 more added
- Sold out
- 52
- 186 more reduced
7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $65.7B |
| Q1 2026 | 1,124 | $51.6B |
| Q4 2025 | 1,061 | $44.9B |
| Q3 2025 | 981 | $43.8B |
| Q2 2025 | 907 | $34.8B |
| Q1 2025 | 862 | $27.2B |
| Q4 2024 | 864 | $27.6B |
| Q3 2024 | 885 | $43.6B |
| Q2 2024 | 838 | $39.7B |
| Q1 2024 | 807 | $32.6B |
| Q4 2023 | 737 | $29.8B |
| Q3 2023 | 655 | $21.3B |
| Q2 2023 | 652 | $25.4B |
| Q1 2023 | 669 | $24.5B |
| Q4 2022 | 611 | $16.6B |
| Q3 2022 | 631 | $16.7B |
| Q2 2022 | 625 | $16.8B |
| Q1 2022 | 611 | $21.4B |
| Q4 2021 | 627 | $21.6B |
| Q3 2021 | 579 | $21.1B |
| Q2 2021 | 533 | $16.1B |
| Q1 2021 | 530 | $15.1B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,875,154 | $2.19B | 0.06% | +319,483+5.8% | Added |
| Vanguard Group Inc | 4,850,667 | $1.81B | 0.05% | +25,957+0.5% | Added |
| Invesco Ltd. | 1,753,170 | $654.7M | 0.16% | +124,552+7.6% | Added |
| State Street Corp | 1,729,784 | $647.0M | 0.03% | +43,923+2.6% | Added |
| Franklin Resources Inc | 1,581,331 | $590.5M | 0.23% | +14,660+0.9% | Added |
| Massachusetts Financial Services Co | 1,231,776 | $460.0M | 0.13% | −16,696−1.3% | Reduced |
| Macquarie Group Ltd | 1,151,707 | $430.1M | 0.35% | +900,527+358.5% | Added |
| Neuberger Berman Group LLC | 1,059,418 | $395.6M | 0.35% | +409,414+63.0% | Added |
| Wasatch Advisors Inc | 1,026,706 | $383.4M | 1.56% | −27,503−2.6% | Reduced |
| Brown Advisory Inc | 1,033,406 | $368.6M | 0.56% | +140,370+15.7% | Added |
| Geode Capital Management, LLC | 806,291 | $300.3M | 0.04% | +1,263+0.2% | Added |
| Alliancebernstein L.P. | 710,647 | $265.4M | 0.11% | +57,243+8.8% | Added |
| Wells Fargo & Company | 709,377 | $264.9M | 0.06% | −33,369−4.5% | Reduced |
| Bank of America Corp | 624,910 | $233.4M | 0.03% | +105,898+20.4% | Added |
| Fred Alger Management, LLC | 556,152 | $207.7M | 0.49% | −240,187−30.2% | Reduced |
| Earnest Partners LLC | 548,241 | $204.7M | 1.20% | +13,264+2.5% | Added |
| Clearbridge Investments, LLC | 544,899 | $203.5M | 0.14% | −161,453−22.9% | Reduced |
| Nuveen Asset Management, LLC | 521,706 | $194.8M | 0.06% | +74,906+16.8% | Added |
| Impax Asset Management Group plc | 520,854 | $193.7M | 0.85% | +50,643+10.8% | Added |
| JPMorgan Chase & Co | 512,852 | $191.5M | 0.02% | +1,076+0.2% | Added |
| Artisan Partners Limited Partnership | 462,045 | $172.6M | 0.21% | −958−0.2% | Reduced |
| Northern Trust Corp | 440,792 | $164.6M | 0.03% | −2,458−0.6% | Reduced |
| Price T Rowe Associates Inc | 405,551 | $151.5M | 0.01% | −506,001−55.5% | Reduced |
| Norges Bank | 398,935 | $149.0M | 0.03% | +3,502+0.9% | Added |
| Congress Asset Management Co | 387,171 | $144.6M | 1.21% | −26,418−6.4% | Reduced |
| Bank of New York Mellon Corp | 357,417 | $133.5M | 0.03% | −1,573−0.4% | Reduced |
| Lord, Abbett & Co. LLC | 354,505 | $132.4M | 0.32% | +53,169+17.6% | Added |
| Voya Investment Management LLC | 336,158 | $125.5M | 0.24% | −215,234−39.0% | Reduced |
| Polar Capital Holdings Plc | 308,337 | $115.1M | 0.50% | +95,379+44.8% | Added |
| Charles Schwab Investment Management Inc | 306,773 | $114.6M | 0.04% | +6,401+2.1% | Added |
| Legal & General Group Plc | 289,284 | $108.0M | 0.04% | +16,366+6.0% | Added |
| Citadel Advisors LLC | 284,104 | $106.1M | 0.11% | +223,243+366.8% | Added |
| Robeco Schweiz AG | 265,977 | $99.3M | 1.38% | −25,562−8.8% | Reduced |
| TimesSquare Capital Management, LLC | 258,825 | $96.7M | 0.79% | +33,525+14.9% | Added |
| Ensign Peak Advisors, Inc | 238,997 | $89.3M | 0.18% | +29,561+14.1% | Added |
| Baird Financial Group, Inc. | 238,310 | $89.0M | 0.23% | −73,345−23.5% | Reduced |
| FMR LLC | 233,217 | $87.1M | 0.01% | −135,453−36.7% | Reduced |
| TD Asset Management Inc | 184,441 | $82.9M | 0.08% | +34,310+22.9% | Added |
| New York State Common Retirement Fund | 207,962 | $77.7M | 0.08% | +606+0.3% | Added |
| Goldman Sachs Group Inc | 206,293 | $77.0M | 0.02% | +2,926+1.4% | Added |
| Victory Capital Management Inc | 203,505 | $76.0M | 0.07% | +29,956+17.3% | Added |
| Geneva Capital Management LLC | 202,918 | $75.8M | 1.23% | −2,348−1.1% | Reduced |
| Ardevora Asset Management LLP | 202,763 | $75.7M | 0.95% | +53,966+36.3% | Added |
| DekaBank Deutsche Girozentrale | 202,005 | $75.3M | 0.22% | +71,099+54.3% | Added |
| Wellington Management Group LLP | 199,371 | $74.5M | 0.01% | −98,376−33.0% | Reduced |
| Thrivent Financial for Lutherans | 180,667 | $67.5M | 0.14% | +1,516+0.8% | Added |
| Swiss National Bank | 175,389 | $65.5M | 0.04% | +10,589+6.4% | Added |
| Dimensional Fund Advisors LP | 151,942 | $56.7M | 0.02% | −7,833−4.9% | Reduced |
| Cavalry Management Group, LLC | 151,102 | $56.4M | 6.48% | −25,749−14.6% | Reduced |
| Eagle Asset Management Inc | 148,399 | $55.4M | 0.24% | −133−0.1% | Reduced |
| UBS Asset Management Americas Inc | 147,882 | $55.2M | 0.02% | −39,509−21.1% | Reduced |
| STRS Ohio | 146,478 | $54.7M | 0.20% | −162−0.1% | Reduced |
| Rafferty Asset Management, LLC | 145,852 | $54.5M | 0.34% | +18,195+14.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 142,986 | $53.4M | 0.03% | −5,690−3.8% | Reduced |
| Principal Financial Group Inc | 139,547 | $52.1M | 0.03% | +18,551+15.3% | Added |
| BNP Paribas Arbitrage, SA | 137,422 | $51.3M | 0.10% | +37,218+37.1% | Added |
| Allianz Asset Management GmbH | 136,476 | $51.0M | 0.05% | +75,533+123.9% | Added |
| Parametric Portfolio Associates LLC | 130,638 | $48.8M | 0.03% | +11,066+9.3% | Added |
| Barclays PLC | 128,482 | $48.0M | 0.04% | +16,726+15.0% | Added |
| Royal Bank of Canada | 128,245 | $47.9M | 0.01% | −4,151−3.1% | Reduced |
| Deutsche Bank AG | 125,760 | $47.0M | 0.02% | +13,759+12.3% | Added |
| CIBC Private Wealth Group, LLC | 125,523 | $46.9M | 0.11% | −153,565−55.0% | Reduced |
| Citigroup Inc | 121,954 | $45.5M | 0.04% | −8,045−6.2% | Reduced |
| Epoch Investment Partners, Inc. | 116,634 | $43.6M | 0.23% | +2,058+1.8% | Added |
| UBS Group AG | 108,442 | $40.5M | 0.02% | −16,794−13.4% | Reduced |
| Loomis Sayles & Co L P | 107,248 | $40.1M | 0.05% | −6,677−5.9% | Reduced |
| Segall Bryant & Hamill, LLC | 105,483 | $39.4M | 0.38% | +15,683+17.5% | Added |
| First Trust Advisors LP | 105,096 | $39.2M | 0.04% | −33,524−24.2% | Reduced |
| Renaissance Technologies LLC | 102,786 | $38.4M | 0.05% | +102,786 | New |
| California Public Employees Retirement System | 100,906 | $37.7M | 0.03% | −2,819−2.7% | Reduced |
| Grandeur Peak Global Advisors, LLC | 99,821 | $37.3M | 1.78% | −4,826−4.6% | Reduced |
| AQR Capital Management LLC | 98,485 | $36.8M | 0.06% | −22,807−18.8% | Reduced |
| Envestnet Asset Management Inc | 97,825 | $36.5M | 0.02% | −3,849−3.8% | Reduced |
| AXA S.A. | 94,441 | $35.3M | 0.10% | +8,808+10.3% | Added |
| Martingale Asset Management L P | 92,438 | $34.5M | 0.39% | −51,310−35.7% | Reduced |
| Jennison Associates LLC | 90,258 | $33.7M | 0.02% | −12,348−12.0% | Reduced |
| Ameriprise Financial Inc | 86,698 | $32.2M | 0.01% | −3,899−4.3% | Reduced |
| American Century Companies Inc | 85,187 | $31.8M | 0.02% | +67,576+383.7% | Added |
| Rhumbline Advisers | 81,799 | $30.5M | 0.04% | −4,532−5.2% | Reduced |
| California State Teachers Retirement System | 79,938 | $29.9M | 0.04% | −1,719−2.1% | Reduced |
| Glenmede Trust Co NA | 77,798 | $29.1M | 0.15% | +5,000+6.9% | Added |
| Eventide Asset Management, LLC | 77,459 | $28.9M | 0.39% | +3,300+4.4% | Added |
| Morgan Stanley | 73,941 | $27.6M | 0.00% | −2,028−2.7% | Reduced |
| Azimuth Capital Management LLC | 73,394 | $27.4M | 1.18% | +12,041+19.6% | Added |
| National Pension Service | 72,924 | $27.2M | 0.05% | 00.0% | Unchanged |
| Jag Capital Management, LLC | 69,101 | $25.8M | 2.02% | +385+0.6% | Added |
| Los Angeles Capital Management LLC | 63,177 | $23.6M | 0.10% | −80.0% | Reduced |
| Nicholas Investment Partners, LP | 59,819 | $22.3M | 1.40% | +5,230+9.6% | Added |
| HSBC Holdings PLC | 58,868 | $22.1M | 0.03% | +12,073+25.8% | Added |
| Capitolis Advisors LLC | 57,831 | $21.6M | 0.25% | +57,831 | New |
| Marshall Wace North America L.P. | 57,556 | $21.5M | 0.09% | +54,586+1,837.9% | Added |
| Raymond James & Associates | 56,190 | $21.0M | 0.02% | +2,469+4.6% | Added |
| Osterweis Capital Management Inc | 54,391 | $20.3M | 1.04% | −9,829−15.3% | Reduced |
| Manufacturers Life Insurance Company, The | 54,295 | $20.3M | 0.02% | −42,118−43.7% | Reduced |
| State Board of Administration of Florida Retirement System | 54,275 | $20.3M | 0.04% | +321+0.6% | Added |
| Scout Investments, Inc. | 53,194 | $19.9M | 0.30% | −33,442−38.6% | Reduced |
| Teacher Retirement System of Texas | 52,745 | $19.7M | 0.11% | +6,040+12.9% | Added |
| Public Employees Retirement System of Ohio | 52,365 | $19.6M | 0.07% | +1,489+2.9% | Added |
| Artemis Investment Management LLP | 52,306 | $19.5M | 0.17% | +52,306 | New |
| Arrowstreet Capital, Limited Partnership | 51,385 | $19.2M | 0.02% | +20,196+64.8% | Added |