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, 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 | $65.6B |
| 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, 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 |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 284,104 | $106.1M | 0.11% | +223,243+366.8% | Added |
| Legal & General Group Plc | 289,284 | $108.0M | 0.04% | +16,366+6.0% | Added |
| Charles Schwab Investment Management Inc | 306,773 | $114.6M | 0.04% | +6,401+2.1% | Added |
| Polar Capital Holdings Plc | 308,337 | $115.1M | 0.63% | +95,379+44.8% | Added |
| Voya Investment Management LLC | 336,158 | $125.5M | 0.24% | −215,234−39.0% | Reduced |
| Lord, Abbett & Co. LLC | 354,505 | $132.4M | 0.32% | +53,169+17.6% | Added |
| Bank of New York Mellon Corp | 357,417 | $133.5M | 0.03% | −1,573−0.4% | Reduced |
| Congress Asset Management Co | 387,171 | $144.6M | 1.21% | −26,418−6.4% | Reduced |
| Norges Bank | 398,935 | $149.0M | 0.03% | +3,502+0.9% | Added |
| Price T Rowe Associates Inc | 405,551 | $151.5M | 0.01% | −506,001−55.5% | Reduced |
| Northern Trust Corp | 440,792 | $164.6M | 0.03% | −2,458−0.6% | Reduced |
| Artisan Partners Limited Partnership | 462,045 | $172.6M | 0.21% | −958−0.2% | Reduced |
| JPMorgan Chase & Co | 512,852 | $191.5M | 0.02% | +1,076+0.2% | Added |
| Impax Asset Management Group plc | 520,854 | $193.7M | 0.85% | +50,643+10.8% | Added |
| Nuveen Asset Management, LLC | 521,706 | $194.8M | 0.06% | +74,906+16.8% | Added |
| Clearbridge Investments, LLC | 544,899 | $203.5M | 0.14% | −161,453−22.9% | Reduced |
| Earnest Partners LLC | 548,241 | $204.7M | 1.20% | +13,264+2.5% | Added |
| Fred Alger Management, LLC | 556,152 | $207.7M | 0.49% | −240,187−30.2% | Reduced |
| Bank of America Corp | 624,910 | $233.4M | 0.03% | +105,898+20.4% | Added |
| Wells Fargo & Company | 709,377 | $264.9M | 0.06% | −33,369−4.5% | Reduced |
| Alliancebernstein L.P. | 710,647 | $265.4M | 0.11% | +57,243+8.8% | Added |
| Geode Capital Management, LLC | 806,291 | $300.3M | 0.04% | +1,263+0.2% | Added |
| Brown Advisory Inc | 1,033,406 | $368.6M | 0.56% | +140,370+15.7% | Added |
| Wasatch Advisors Inc | 1,026,706 | $383.4M | 1.56% | −27,503−2.6% | Reduced |
| Neuberger Berman Group LLC | 1,059,418 | $395.6M | 0.35% | +409,414+63.0% | Added |
| Macquarie Group Ltd | 1,151,707 | $430.1M | 0.35% | +900,527+358.5% | Added |
| Massachusetts Financial Services Co | 1,231,776 | $460.0M | 0.13% | −16,696−1.3% | Reduced |
| Franklin Resources Inc | 1,581,331 | $590.5M | 0.23% | +14,660+0.9% | Added |
| State Street Corp | 1,729,784 | $647.0M | 0.03% | +43,923+2.6% | Added |
| Invesco Ltd. | 1,753,170 | $654.7M | 0.16% | +124,552+7.6% | Added |
| Vanguard Group Inc | 4,850,667 | $1.81B | 0.05% | +25,957+0.5% | Added |
| BlackRock Inc. | 5,875,154 | $2.19B | 0.06% | +319,483+5.8% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 427 | – | – | −177−29.3% | Reduced |
| Ergoteles LLC | 0 | $0 | 0.00% | −22,182−100.0% | Sold out |
| MUFG Securities EMEA plc | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −17,110−100.0% | Sold out |
| AlphaStar Capital Management, LLC | 0 | $0 | 0.00% | −12,009−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −10,996−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −8,697−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −7,896−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −7,840−100.0% | Sold out |
| Fortis Capital Management LLC | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Fulcrum Equity Management | 0 | $0 | 0.00% | −6,065−100.0% | Sold out |
| Foundry Partners, LLC | 0 | $0 | 0.00% | −5,941−100.0% | Sold out |
| AdvisorShares Investments LLC | 0 | $0 | 0.00% | −5,721−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −5,325−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −4,417−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −4,236−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −3,968−100.0% | Sold out |
| Polianta Ltd | 0 | $0 | 0.00% | −3,200−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −2,419−100.0% | Sold out |
| Sustainable Insight Capital Management, LLC | 0 | $0 | 0.00% | −2,063−100.0% | Sold out |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −1,491−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −1,342−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −1,343−100.0% | Sold out |
| Pendal Group Limited | 0 | $0 | 0.00% | −1,342−100.0% | Sold out |
| JS Capital Management LLC | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −1,157−100.0% | Sold out |
| AXS Investments LLC | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| M Holdings Securities, Inc. | 0 | $0 | 0.00% | −1,093−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −973−100.0% | Sold out |
| Provenire Capital, LLC | 0 | $0 | 0.00% | −883−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −879−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −811−100.0% | Sold out |
| Comerica Securities,inc. | 0 | $0 | 0.00% | −758−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −759−100.0% | Sold out |
| Exencial Wealth Advisors, LLC | 0 | $0 | 0.00% | −707−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −574−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −421−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −246−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −175−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Allred Capital Management, LLC | 0 | $0 | 0.00% | −149−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Sun Life Financial INC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Eudaimonia Partners, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| WealthShield Partners, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Resolute Partners Group | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Wealthcare Capital Management LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Sargent Bickham Lagudis LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Waddell & Reed Financial Inc | – | – | – | – | Not filed |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |
| Bokf, NA | – | – | – | – | Not filed |
| Pathway Financial Advisors LLC | – | – | – | – | Not filed |
| OneAscent Wealth Management LLC | – | – | – | – | Not filed |
| E Fund Management Co., Ltd. | – | – | – | – | Not filed |
| CSat Investment Advisory, L.P. | – | – | – | – | Not filed |