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, Q2 2026
Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 2026. 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
- 1,250
- +142 vs. Q1 2026
- Shares held
- 47.6M
- +386.8K (+0.8%) vs. Q1 2026
- Total value
- $65.6B
- +$14.1B (+27.4%) vs. Q1 2026
- New holders
- 220
- 419 more added
- Sold out
- 78
- 464 more reduced
16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CIBC Bancorp USA Inc. | 61,206 | $84.6M | 0.10% | −7,613−11.1% | Reduced |
| Russell Investments Group, Ltd. | 61,251 | $84.2M | 0.07% | +7,177+13.3% | Added |
| Bamco Inc | 58,604 | $81.0M | 0.12% | −4,390−7.0% | Reduced |
| Jones Financial Companies LLLP | 61,012 | $80.1M | 0.03% | +7,064+13.1% | Added |
| Eventide Asset Management, LLC | 57,790 | $79.7M | 1.07% | −364−0.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 56,653 | $78.2M | 0.12% | +10,132+21.8% | Added |
| Candriam Luxembourg S.C.A. | 54,905 | $75.8M | 0.34% | −14,039−20.4% | Reduced |
| STRS Ohio | 54,281 | $75.0M | 0.28% | −15,526−22.2% | Reduced |
| National Bank of Canada | 53,719 | $74.3M | 0.07% | −9,916−15.6% | Reduced |
| Squarepoint Ops LLC | 53,024 | $73.3M | 0.14% | +20,604+63.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 52,981 | $73.2M | 0.14% | −11,861−18.3% | Reduced |
| Toroso Investments, LLC | 51,894 | $71.7M | 0.17% | +16,510+46.7% | Added |
| Great West Life Assurance Co | 51,304 | $70.7M | 0.11% | −7,417−12.6% | Reduced |
| Caisse de Depot Et Placement du Quebec | 50,232 | $69.4M | 0.10% | −34,927−41.0% | Reduced |
| New York State Common Retirement Fund | 50,169 | $69.4M | 0.09% | +23,463+87.9% | Added |
| Manufacturers Life Insurance Company, The | 49,887 | $69.0M | 0.05% | +233+0.5% | Added |
| Nomura Holdings Inc | 49,616 | $68.6M | 0.29% | +46,667+1,582.5% | Added |
| Resona Asset Management Co.,Ltd. | 49,148 | $66.9M | 0.31% | −8,559−14.8% | Reduced |
| Worldquant Millennium Advisors LLC | 47,141 | $65.2M | 0.22% | +47,141 | New |
| Robeco Institutional Asset Management B.V. | 47,124 | $65.1M | 0.08% | +33,251+239.7% | Added |
| Bank of Montreal | 46,739 | $64.6M | 0.02% | +269+0.6% | Added |
| Quadrature Capital Ltd | 44,969 | $62.2M | 0.53% | +44,969 | New |
| CI Private Wealth, LLC | 44,086 | $60.9M | 0.08% | +28,402+181.1% | Added |
| Standard Life Aberdeen plc | 41,854 | $57.9M | 0.08% | +2,432+6.2% | Added |
| Grandeur Peak Global Advisors, LLC | 41,727 | $57.7M | 13.35% | −9,768−19.0% | Reduced |
| State Board of Administration of Florida Retirement System | 41,540 | $57.4M | 0.10% | −94−0.2% | Reduced |
| Aviva PLC | 41,119 | $56.8M | 0.08% | +248+0.6% | Added |
| Whittier Trust Co | 41,902 | $56.4M | 0.55% | −108−0.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 37,766 | $52.2M | 0.10% | +35,750+1,773.3% | Added |
| New York State Teachers Retirement System | 37,404 | $51.7M | 0.10% | −1,999−5.1% | Reduced |
| NEOS Investment Management LLC | 37,133 | $51.3M | 0.19% | +4,391+13.4% | Added |
| Man Group plc | 37,110 | $51.3M | 0.09% | +30,602+470.2% | Added |
| LMR Partners LLP | 35,757 | $49.4M | 0.36% | +35,757 | New |
| Empowered Funds, LLC | 35,700 | $49.4M | 0.26% | +1,607+4.7% | Added |
| Factory Mutual Insurance Co | 35,457 | $49.0M | 0.46% | −4,515−11.3% | Reduced |
| CBOE Vest Financial, LLC | 35,101 | $48.5M | 0.51% | −17,222−32.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 34,697 | $47.7M | 0.06% | −1,742−4.8% | Reduced |
| Mariner, LLC | 34,399 | $47.5M | 0.05% | −6,764−16.4% | Reduced |
| NewEdge Wealth, LLC | 34,264 | $47.4M | 0.48% | +537+1.6% | Added |
| PFA Pension, Forsikringsaktieselskab | 33,715 | $46.6M | 0.12% | +2,423+7.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 33,321 | $45.5M | 0.12% | +25,035+302.1% | Added |
| Frontier Capital Management Co LLC | 32,723 | $45.2M | 0.42% | −46,976−58.9% | Reduced |
| EULAV Asset Management | 32,677 | $45.2M | 1.44% | −26,000−44.3% | Reduced |
| Geneva Capital Management LLC | 32,563 | $45.0M | 1.03% | −7,188−18.1% | Reduced |
| Handelsbanken Fonder AB | 32,416 | $44.8M | 0.13% | +983+3.1% | Added |
| Nomura Asset Management Co Ltd | 31,669 | $43.8M | 0.09% | −115,207−78.4% | Reduced |
| Nissay Asset Management Corp | 31,383 | $43.4M | 0.18% | +5,608+21.8% | Added |
| Schroder Investment Management Group | 32,832 | $43.0M | 0.03% | +983+3.1% | Added |
| Pinnacle Financial Partners, Inc. | 30,314 | $41.9M | 0.29% | −1,307−4.1% | Reduced |
| Blair William & Co | 30,259 | $41.8M | 0.11% | −298−1.0% | Reduced |
| APG Asset Management N.V. | 34,509 | $41.7M | 0.10% | +9,849+39.9% | Added |
| Voloridge Investment Management, LLC | 29,923 | $41.4M | 0.18% | +29,923 | New |
| Bank of Nova Scotia | 29,749 | $41.1M | 0.06% | +23,474+374.1% | Added |
| SEB Asset Management AB | 29,514 | $40.8M | 0.15% | +2,223+8.1% | Added |
| Cookson Peirce & Co Inc | 29,510 | $40.8M | 1.34% | +36+0.1% | Added |
| Azimuth Capital Investment Management LLC | 29,124 | $40.3M | 1.36% | −6,949−19.3% | Reduced |
| Zurich Insurance Group Ltd | 28,857 | $39.9M | 0.28% | +8,659+42.9% | Added |
| RMB Capital Management, LLC | 28,553 | $39.5M | 0.61% | −7,722−21.3% | Reduced |
| Royal London Asset Management Ltd | 28,488 | $39.4M | 0.07% | −467−1.6% | Reduced |
| Harvest Fund Management Co., Ltd | 28,056 | $38.7M | 1.28% | +14,371+105.0% | Added |
| Ostrum Asset Management | 27,940 | $38.6M | 1.86% | +7,184+34.6% | Added |
| Capital Impact Advisors, LLC | 27,772 | $38.4M | 2.15% | +27,772 | New |
| Korea Investment CORP | 27,752 | $38.4M | 0.07% | +9,812+54.7% | Added |
| Swedbank AB | 27,002 | $37.3M | 0.03% | −5,642−17.3% | Reduced |
| State of Wisconsin Investment Board | 26,618 | $36.8M | 0.07% | +963+3.8% | Added |
| Pembroke Management, LTD | 26,571 | $36.7M | 4.75% | −7,826−22.8% | Reduced |
| Mizuho Markets Americas LLC | 26,404 | $36.5M | 0.65% | +26,049+7,337.7% | Added |
| NZS Capital, LLC | 25,529 | $35.3M | 0.92% | −1,150−4.3% | Reduced |
| TD Asset Management Inc | 25,374 | $35.1M | 0.03% | −46,736−64.8% | Reduced |
| Public Employees Retirement Association of Colorado | 25,202 | $34.8M | 0.12% | −7,487−22.9% | Reduced |
| Danske Bank A/S | 25,158 | $34.8M | 0.07% | −7,516−23.0% | Reduced |
| Nordea Investment Management AB | 25,276 | $34.4M | 0.03% | +20,195+397.5% | Added |
| DnB Asset Management AS | 24,493 | $33.9M | 0.09% | −1,556−6.0% | Reduced |
| AQR Capital Management LLC | 24,947 | $33.8M | 0.01% | −13,413−35.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 24,296 | $33.6M | 0.07% | −7,612−23.9% | Reduced |
| Swiss Life Asset Management Ltd | 24,087 | $33.3M | 0.14% | −6,940−22.4% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 23,986 | $33.2M | 0.09% | −266−1.1% | Reduced |
| Vanguard Investments Australia, Ltd. | 23,921 | $33.1M | 0.08% | +60.0% | Added |
| Vontobel Holding Ltd. | 23,915 | $33.1M | 0.11% | −9,345−28.1% | Reduced |
| Gotham Asset Management, LLC | 23,897 | $33.0M | 0.08% | +1,415+6.3% | Added |
| Fifth Third Bancorp | 23,803 | $32.9M | 0.05% | −2,008−7.8% | Reduced |
| Prudential Financial Inc | 22,712 | $31.4M | 0.03% | −102−0.4% | Reduced |
| USS Investment Management Ltd | 22,153 | $30.6M | 0.12% | +12,156+121.6% | Added |
| Sapient Capital LLC | 21,974 | $30.4M | 0.40% | −396−1.8% | Reduced |
| Avalon Global Asset Management LLC | 22,000 | $30.4M | 4.48% | −500−2.2% | Reduced |
| Park National Corp | 21,663 | $29.9M | 0.84% | −6,451−22.9% | Reduced |
| CIBC Asset Management Inc | 21,551 | $29.8M | 0.07% | +1,165+5.7% | Added |
| Asset Management One Co.,Ltd. | 21,424 | $29.6M | 0.08% | +267+1.3% | Added |
| Fideuram Asset Management (Ireland) dac | 19,770 | $29.4M | 0.57% | +16,944+599.6% | Added |
| Nykredit A/S | 20,935 | $28.9M | 0.11% | +20,935 | New |
| Segall Bryant & Hamill, LLC | 20,849 | $28.8M | 0.34% | −5,212−20.0% | Reduced |
| Credit Agricole S A | 20,595 | $28.5M | 0.07% | +14,383+231.5% | Added |
| Flputnam Investment Management Co | 20,409 | $28.2M | 0.34% | +20,409 | New |
| Treasurer of the State of North Carolina | 20,136 | $27.8M | 0.07% | +320+1.6% | Added |
| Public Employees Retirement System of Ohio | 20,129 | $27.8M | 0.08% | −1,018−4.8% | Reduced |
| GDS Wealth Management | 20,094 | $27.8M | 1.32% | +842+4.4% | Added |
| Creative Planning | 19,463 | $26.9M | 0.02% | +782+4.2% | Added |
| Assetmark, Inc | 19,462 | $26.9M | 0.05% | −859−4.2% | Reduced |
| KLP Kapitalforvaltning AS | 19,100 | $26.4M | 0.09% | +1,380+7.8% | Added |
| Whittier Trust Co of Nevada Inc | 20,303 | $25.8M | 0.48% | +76+0.4% | Added |