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, 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 |
|---|---|---|---|---|---|
| Arkadios Wealth Advisors | 767 | $695.1K | 0.01% | +143+22.9% | Added |
| Moneta Group Investment Advisors LLC | 767 | $695.0K | 0.01% | −64−7.7% | Reduced |
| Hancock Whitney Corp | 765 | $693.4K | 0.01% | −320−29.5% | Reduced |
| EverSource Wealth Advisors, LLC | 749 | $678.4K | 0.03% | +207+38.2% | Added |
| Virtu Financial LLC | 746 | $676.0K | 0.03% | +746 | New |
| J2 Capital Management Inc | 728 | $659.8K | 0.48% | −182−20.0% | Reduced |
| JT Stratford LLC | 723 | $655.3K | 0.08% | −340−32.0% | Reduced |
| TCW Group Inc | 719 | $651.7K | 0.00% | +719 | New |
| HMS Capital Management, LLC | 717 | $650.1K | 0.27% | −11−1.5% | Reduced |
| Fortress Financial Solutions, LLC | 715 | $648.3K | 0.66% | −25−3.4% | Reduced |
| Ronald Blue Trust, Inc. | 715 | $647.6K | 0.01% | −211−22.8% | Reduced |
| Fiduciary Trust Co | 714 | $646.9K | 0.01% | +5+0.7% | Added |
| Bryn Mawr Trust Co | 696 | $630.8K | 0.01% | +188+37.0% | Added |
| Valeo Financial Advisors, LLC | 691 | $626.6K | 0.01% | +20+3.0% | Added |
| Central Trust Co | 691 | $626.6K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 689 | $624.3K | 0.02% | +246+55.5% | Added |
| Verdence Capital Advisors LLC | 686 | $621.5K | 0.04% | +18+2.7% | Added |
| Farringdon Capital, Ltd. | 682 | $618.1K | 0.15% | +682 | New |
| B&L Asset Management LLC | 680 | $616.3K | 0.28% | +106+18.5% | Added |
| Perigon Wealth Management, LLC | 675 | $611.9K | 0.01% | +103+18.0% | Added |
| Riverstone Advisors, LLC | 673 | $610.0K | 0.29% | +5+0.7% | Added |
| LRT Capital Management, LLC | 663 | $600.9K | 0.51% | +663 | New |
| Apollon Wealth Management, LLC | 656 | $594.3K | 0.01% | −22−3.2% | Reduced |
| Yorktown Management & Research Co Inc | 650 | $589.1K | 0.47% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 649 | $588.3K | 0.11% | +32+5.2% | Added |
| 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 |
| Stephens Inc | 642 | $581.9K | 0.01% | +642 | New |
| Dogwood Wealth Management LLC | 632 | $572.8K | 0.25% | −318−33.5% | Reduced |
| Unique Wealth Strategies, LLC | 629 | $570.5K | 0.22% | −146−18.8% | Reduced |
| Quantitative Investment Management, LLC | 627 | $568.0K | 0.06% | +627 | New |
| Oak Ridge Investments LLC | 626 | $567.4K | 0.03% | −42−6.3% | Reduced |
| Chicago Partners Investment Group LLC | 528 | $561.7K | 0.01% | −30−5.4% | Reduced |
| Blueshift Asset Management, LLC | 614 | $556.5K | 0.16% | +614 | New |
| Acadian Asset Management LLC | 611 | $552.0K | 0.00% | −17,112−96.6% | Reduced |
| Wiregrass Investment Management LLC | 606 | $549.4K | 0.46% | +606 | New |
| MJP Associates Inc | 606 | $548.8K | 0.07% | −107−15.0% | Reduced |
| Gilbert & Cook, Inc. | 601 | $544.7K | 0.07% | −62−9.4% | Reduced |
| WESPAC Advisors, LLC | 601 | $544.7K | 0.30% | +601 | New |
| Laurion Capital Management LP | 600 | $543.8K | 0.04% | +600 | New |
| Meiji Yasuda Asset Management Co Ltd. | 588 | $532.9K | 0.03% | −3,148−84.3% | Reduced |
| Guardian Capital LP | 581 | $526.6K | 0.02% | +93+19.1% | Added |
| Kingswood Wealth Advisors, LLC | 580 | $525.7K | 0.03% | 00.0% | Unchanged |
| Independent Advisor Alliance | 576 | $522.1K | 0.01% | +6+1.1% | Added |
| Lifeworks Advisors, LLC | 576 | $521.6K | 0.07% | −2−0.3% | Reduced |
| Kestra Private Wealth Services, LLC | 574 | $519.9K | 0.01% | −577−50.1% | Reduced |
| V-Square Quantitative Management LLC | 572 | $518.4K | 0.05% | +572 | New |
| Ballentine Partners, LLC | 567 | $513.9K | 0.01% | +12+2.2% | Added |
| Navellier & Associates Inc | 565 | $512.1K | 0.06% | 00.0% | Unchanged |
| Hills Bank & Trust Co | 564 | $511.2K | 0.03% | 00.0% | Unchanged |
| 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 |
| Versant Capital Management, Inc | 556 | $503.9K | 0.06% | +11+2.0% | Added |
| Kera Capital Partners, Inc. | 448 | $503.6K | 0.06% | +58+14.9% | Added |
| D.A. Davidson & Co. | 554 | $502.1K | 0.00% | −14−2.5% | Reduced |
| Knuff & Co LLC | 550 | $498.5K | 0.15% | 00.0% | Unchanged |
| Alps Advisors Inc | 548 | $496.7K | 0.00% | +6+1.1% | Added |
| Vision Retirement, LLC | 545 | $493.9K | 0.13% | +545 | New |
| Buffalo Business & Estate Services Ltd | 539 | $488.5K | 0.07% | +539 | New |
| Trust Asset Management LLC | 537 | $486.7K | 0.03% | −17−3.1% | Reduced |
| Financial Consulate, Inc | 528 | $478.6K | 0.07% | −111−17.4% | Reduced |
| Smartleaf Asset Management LLC | 517 | $477.7K | 0.02% | −48−8.5% | Reduced |
| Foundations Investment Advisors, LLC | 523 | $474.3K | 0.01% | +523 | New |
| Mutual Advisors, LLC | 520 | $471.3K | 0.01% | +130+33.3% | Added |
| AdvisorShares Investments LLC | 520 | $471.3K | 0.08% | +520 | New |
| Fielder Capital Group LLC | 518 | $469.5K | 0.10% | +36+7.5% | Added |
| Avestar Capital, LLC | 518 | $469.5K | 0.03% | +164+46.3% | Added |
| Savant Capital, LLC | 512 | $464.3K | 0.00% | −26−4.8% | Reduced |
| Umb Bank N A | 512 | $464.1K | 0.01% | +20+4.1% | Added |
| Parallel Advisors, LLC | 511 | $463.5K | 0.01% | +22+4.5% | Added |
| Crestwood Advisors Group LLC | 509 | $461.7K | 0.01% | +47+10.2% | Added |
| Atomi Financial Group, Inc. | 508 | $461.0K | 0.01% | +63+14.2% | Added |
| Clarius Group, LLC | 508 | $460.4K | 0.03% | +4+0.8% | Added |
| Morningstar Investment Management LLC | 508 | $460.0K | 0.03% | 00.0% | Unchanged |
| Insigneo Advisory Services, LLC | 507 | $459.5K | 0.03% | −167−24.8% | Reduced |
| Sagespring Wealth Partners, LLC | 507 | $459.3K | 0.01% | −5−1.0% | Reduced |
| 111 Capital | 506 | $458.6K | 0.10% | +506 | New |
| EFG International AG | 504 | $456.8K | 0.01% | +504 | New |
| Campbell & CO Investment Adviser LLC | 503 | $455.9K | 0.02% | +96+23.6% | Added |
| MGB Wealth Management, LLC | 500 | $453.2K | 0.13% | 00.0% | Unchanged |
| Deroy & Devereaux Private Investment Counsel Inc | 500 | $453.0K | 0.02% | 00.0% | Unchanged |
| Marshall Financial Group LLC | 494 | $447.8K | 0.09% | −1,470−74.8% | Reduced |
| TFB Advisors LLC | 492 | $445.9K | 0.12% | −14−2.8% | Reduced |
| Coastal Bridge Advisors, LLC | 486 | $440.3K | 0.03% | −2−0.4% | Reduced |
| Kickstand Ventures, LLC. | 480 | $435.2K | 0.09% | 00.0% | Unchanged |
| Sovran Advisors, LLC | 431 | $435.1K | 0.04% | −549−56.0% | Reduced |
| Calamos Wealth Management LLC | 480 | $435.1K | 0.02% | −62−11.4% | Reduced |
| Legacy Wealth Asset Management, LLC | 480 | $435.1K | 0.11% | +23+5.0% | Added |
| Financial Advisors Network, Inc. | 479 | $434.3K | 0.06% | −44−8.4% | Reduced |
| Pier Capital, LLC | 466 | $422.4K | 0.07% | −68−12.7% | Reduced |
| Adams Wealth Management | 456 | $419.1K | 0.09% | 00.0% | Unchanged |
| CacheTech Inc. | 456 | $419.1K | 0.08% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 458 | $415.1K | 0.06% | +458 | New |
| KCM Investment Advisors LLC | 457 | $414.2K | 0.01% | 00.0% | Unchanged |
| Cigna Investments Inc | 455 | $412.0K | 0.06% | 00.0% | Unchanged |
| Covenant Partners, LLC | 454 | $411.5K | 0.12% | 00.0% | Unchanged |
| Vancity Investment Management Ltd | 454 | $411.0K | 0.06% | 00.0% | Unchanged |
| Mainstay Capital Management LLC | 450 | $407.9K | 0.03% | +14+3.2% | Added |
| BXM Wealth LLC | 450 | $407.9K | 0.31% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 450 | $407.9K | 0.01% | +375+500.0% | Added |