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 2025
Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 2025. 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
- 1,061
- +98 vs. Q3 2025
- Shares held
- 48.8M
- +2.18M (+4.7%) vs. Q3 2025
- Total value
- $44.2B
- +$1.40B (+3.3%) vs. Q3 2025
- New holders
- 190
- 383 more added
- Sold out
- 92
- 353 more reduced
18 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Financial Consulate, Inc | 528 | $478.6K | 0.07% | −111−17.4% | Reduced |
| Trust Asset Management LLC | 537 | $486.7K | 0.03% | −17−3.1% | Reduced |
| Buffalo Business & Estate Services Ltd | 539 | $488.5K | 0.07% | +539 | New |
| Vision Retirement, LLC | 545 | $493.9K | 0.13% | +545 | New |
| Alps Advisors Inc | 548 | $496.7K | 0.00% | +6+1.1% | Added |
| Knuff & Co LLC | 550 | $498.5K | 0.15% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 554 | $502.1K | 0.00% | −14−2.5% | Reduced |
| Kera Capital Partners, Inc. | 448 | $503.6K | 0.06% | +58+14.9% | Added |
| Versant Capital Management, Inc | 556 | $503.9K | 0.06% | +11+2.0% | Added |
| Heartland Bank & Trust Co | 560 | $507.6K | 0.21% | −7−1.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 560 | $507.6K | 0.00% | +560 | New |
| Hills Bank & Trust Co | 564 | $511.2K | 0.03% | 00.0% | Unchanged |
| Navellier & Associates Inc | 565 | $512.1K | 0.06% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 567 | $513.9K | 0.01% | +12+2.2% | Added |
| V-Square Quantitative Management LLC | 572 | $518.4K | 0.05% | +572 | New |
| Kestra Private Wealth Services, LLC | 574 | $519.9K | 0.01% | −577−50.1% | Reduced |
| Lifeworks Advisors, LLC | 576 | $521.6K | 0.07% | −2−0.3% | Reduced |
| Independent Advisor Alliance | 576 | $522.1K | 0.01% | +6+1.1% | Added |
| Kingswood Wealth Advisors, LLC | 580 | $525.7K | 0.03% | 00.0% | Unchanged |
| Guardian Capital LP | 581 | $526.6K | 0.02% | +93+19.1% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 588 | $532.9K | 0.03% | −3,148−84.3% | Reduced |
| Laurion Capital Management LP | 600 | $543.8K | 0.04% | +600 | New |
| Gilbert & Cook, Inc. | 601 | $544.7K | 0.07% | −62−9.4% | Reduced |
| WESPAC Advisors, LLC | 601 | $544.7K | 0.30% | +601 | New |
| MJP Associates Inc | 606 | $548.8K | 0.07% | −107−15.0% | Reduced |
| Wiregrass Investment Management LLC | 606 | $549.4K | 0.46% | +606 | New |
| Acadian Asset Management LLC | 611 | $552.0K | 0.00% | −17,112−96.6% | Reduced |
| Blueshift Asset Management, LLC | 614 | $556.5K | 0.16% | +614 | New |
| Chicago Partners Investment Group LLC | 528 | $561.7K | 0.01% | −30−5.4% | Reduced |
| Oak Ridge Investments LLC | 626 | $567.4K | 0.03% | −42−6.3% | Reduced |
| Quantitative Investment Management, LLC | 627 | $568.0K | 0.06% | +627 | New |
| Unique Wealth Strategies, LLC | 629 | $570.5K | 0.22% | −146−18.8% | Reduced |
| Dogwood Wealth Management LLC | 632 | $572.8K | 0.25% | −318−33.5% | Reduced |
| Stephens Inc | 642 | $581.9K | 0.01% | +642 | New |
| Prescott Group Capital Management, L.L.C. | 647 | $586.4K | 0.05% | 00.0% | Unchanged |
| George Kaiser Family Foundation | 647 | $586.4K | 0.08% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 649 | $588.3K | 0.11% | +32+5.2% | Added |
| Yorktown Management & Research Co Inc | 650 | $589.1K | 0.47% | 00.0% | Unchanged |
| Apollon Wealth Management, LLC | 656 | $594.3K | 0.01% | −22−3.2% | Reduced |
| LRT Capital Management, LLC | 663 | $600.9K | 0.51% | +663 | New |
| Riverstone Advisors, LLC | 673 | $610.0K | 0.29% | +5+0.7% | Added |
| Perigon Wealth Management, LLC | 675 | $611.9K | 0.01% | +103+18.0% | Added |
| B&L Asset Management LLC | 680 | $616.3K | 0.28% | +106+18.5% | Added |
| Farringdon Capital, Ltd. | 682 | $618.1K | 0.15% | +682 | New |
| Verdence Capital Advisors LLC | 686 | $621.5K | 0.04% | +18+2.7% | Added |
| Spire Wealth Management | 689 | $624.3K | 0.02% | +246+55.5% | Added |
| Central Trust Co | 691 | $626.6K | 0.01% | 00.0% | Unchanged |
| Valeo Financial Advisors, LLC | 691 | $626.6K | 0.01% | +20+3.0% | Added |
| Bryn Mawr Trust Co | 696 | $630.8K | 0.01% | +188+37.0% | Added |
| Fiduciary Trust Co | 714 | $646.9K | 0.01% | +5+0.7% | Added |
| Ronald Blue Trust, Inc. | 715 | $647.6K | 0.01% | −211−22.8% | Reduced |
| Fortress Financial Solutions, LLC | 715 | $648.3K | 0.66% | −25−3.4% | Reduced |
| HMS Capital Management, LLC | 717 | $650.1K | 0.27% | −11−1.5% | Reduced |
| TCW Group Inc | 719 | $651.7K | 0.00% | +719 | New |
| JT Stratford LLC | 723 | $655.3K | 0.08% | −340−32.0% | Reduced |
| J2 Capital Management Inc | 728 | $659.8K | 0.48% | −182−20.0% | Reduced |
| Virtu Financial LLC | 746 | $676.0K | 0.03% | +746 | New |
| EverSource Wealth Advisors, LLC | 749 | $678.4K | 0.03% | +207+38.2% | Added |
| Hancock Whitney Corp | 765 | $693.4K | 0.01% | −320−29.5% | Reduced |
| Moneta Group Investment Advisors LLC | 767 | $695.0K | 0.01% | −64−7.7% | Reduced |
| Arkadios Wealth Advisors | 767 | $695.1K | 0.01% | +143+22.9% | Added |
| Baader Bank INC | 772 | $695.5K | 0.06% | −511−39.8% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 768 | $696.1K | 0.08% | +768 | New |
| Syon Capital LLC | 772 | $699.8K | 0.03% | +59+8.3% | Added |
| CNB Bank | 775 | $702.4K | 0.29% | −18−2.3% | Reduced |
| Cannon Advisors, Inc. | 717 | $705.2K | 0.50% | 00.0% | Unchanged |
| Odyssean, LLC | 783 | $709.7K | 0.51% | +783 | New |
| Peak Financial Advisors LLC | 789 | $715.1K | 0.32% | +789 | New |
| Drake & Associates, LLC | 793 | $718.8K | 0.14% | +12+1.5% | Added |
| Principal Securities, Inc. | 805 | $730.0K | 0.01% | +22+2.8% | Added |
| Balyasny Asset Management LLC | 817 | $740.5K | 0.00% | −8,342−91.1% | Reduced |
| Farther Finance Advisors, LLC | 821 | $743.7K | 0.01% | +166+25.3% | Added |
| Global Retirement Partners, LLC | 822 | $745.3K | 0.01% | +86+11.7% | Added |
| Green Alpha Advisors, LLC | 825 | $747.9K | 0.69% | +53+6.9% | Added |
| Morey & Quinn Wealth Partners, LLC | 831 | $753.2K | 0.54% | +1+0.1% | Added |
| Left Brain Wealth Management, LLC | 832 | $754.1K | 0.26% | +62+8.1% | Added |
| Integrated Advisors Network LLC | 834 | $755.9K | 0.03% | −35−4.0% | Reduced |
| Shaker Investments LLC | 837 | $758.6K | 0.32% | −20−2.3% | Reduced |
| Portside Wealth Group, LLC | 841 | $762.3K | 0.10% | −181−17.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 848 | $769.0K | 0.01% | +34+4.2% | Added |
| Equitable Holdings, Inc. | 854 | $774.0K | 0.01% | −47−5.2% | Reduced |
| CIBC World Markets Inc. | 860 | $779.5K | 0.00% | +860 | New |
| Parkside Financial Bank & Trust | 861 | $780.4K | 0.06% | −209−19.5% | Reduced |
| WBI Investments | 878 | $795.4K | 0.21% | −689−44.0% | Reduced |
| VestGen Advisors, LLC | 883 | $800.4K | 0.03% | −906−50.6% | Reduced |
| Siemens Fonds Invest GmbH | 875 | $808.4K | 0.04% | +90+11.5% | Added |
| Brookstone Capital Management | 899 | $814.7K | 0.01% | −33−3.5% | Reduced |
| Advisor OS, LLC | 919 | $832.5K | 0.07% | −194−17.4% | Reduced |
| Signaturefd, LLC | 922 | $836.0K | 0.01% | +86+10.3% | Added |
| Stevens Capital Management LP | 928 | $841.0K | 0.30% | +260+38.9% | Added |
| Group One Trading, L.P. | 929 | $842.0K | 0.02% | −2,077−69.1% | Reduced |
| Bessemer Group Inc | 932 | $845.0K | 0.00% | +109+13.2% | Added |
| Advisory Services Network, LLC | 933 | $845.6K | 0.01% | −34−3.5% | Reduced |
| Mach-1 Financial Group, Inc. | 938 | $850.2K | 0.17% | +938 | New |
| American Trust | 942 | $853.8K | 0.07% | −25−2.6% | Reduced |
| Huntington National Bank | 943 | $854.7K | 0.01% | +68+7.8% | Added |
| Mather Group, LLC. | 946 | $857.7K | 0.01% | +42+4.6% | Added |
| First National Bank of Hutchinson | 948 | $859.2K | 0.50% | +11+1.2% | Added |
| Frec Markets, Inc. | 955 | $866.1K | 0.25% | +955 | New |
| RMR Wealth Builders | 958 | $868.3K | 0.07% | −46−4.6% | Reduced |