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, Q3 2025
Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 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
- 981
- +89 vs. Q2 2025
- Shares held
- 46.8M
- +118.5K (+0.3%) vs. Q2 2025
- Total value
- $43.0B
- +$8.79B (+25.7%) vs. Q2 2025
- New holders
- 164
- 361 more added
- Sold out
- 75
- 317 more reduced
15 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Davenport & Co LLC | 420 | $386.7K | 0.00% | −218−34.2% | Reduced |
| Moors & Cabot, Inc. | 425 | $391.3K | 0.02% | −468−52.4% | Reduced |
| McHugh Group, LLC | 425 | $391.3K | 0.23% | 00.0% | Unchanged |
| Bridges Investment Management Inc | 426 | $392.2K | 0.01% | 00.0% | Unchanged |
| Mainstay Capital Management LLC | 436 | $401.4K | 0.04% | −358−45.1% | Reduced |
| Diversified Trust Co | 436 | $401.4K | 0.01% | −293−40.2% | Reduced |
| Alliance Wealth Advisors, LLC | 438 | $403.2K | 0.09% | −48−9.9% | Reduced |
| Spire Wealth Management | 443 | $407.8K | 0.01% | −132−23.0% | Reduced |
| Guinness Asset Management LTD | 461 | $408.7K | 0.01% | −112−19.5% | Reduced |
| Atomi Financial Group, Inc. | 445 | $409.4K | 0.01% | +82+22.6% | Added |
| Sage Mountain Advisors LLC | 445 | $410.0K | 0.02% | +94+26.8% | Added |
| Adams Wealth Management | 456 | $411.2K | 0.09% | 00.0% | Unchanged |
| CacheTech Inc. | 456 | $411.2K | 0.08% | 00.0% | Unchanged |
| Outlook Wealth Advisors, LLC | 449 | $412.9K | 0.10% | −23−4.9% | Reduced |
| Westpac Banking Corp | 449 | $413.4K | 0.03% | 00.0% | Unchanged |
| BXM Wealth LLC | 450 | $414.3K | 0.39% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 390 | $417.6K | 0.01% | +390 | New |
| Covenant Partners, LLC | 454 | $418.0K | 0.12% | 00.0% | Unchanged |
| Vancity Investment Management Ltd | 454 | $418.0K | 0.06% | 00.0% | Unchanged |
| Uhlmann Price Securities, LLC | 454 | $418.1K | 0.26% | 00.0% | Unchanged |
| Cigna Investments Inc | 455 | $419.0K | 0.06% | 00.0% | Unchanged |
| Legacy Wealth Asset Management, LLC | 457 | $420.7K | 0.10% | −76−14.3% | Reduced |
| KCM Investment Advisors LLC | 457 | $420.7K | 0.01% | 00.0% | Unchanged |
| Crestwood Advisors Group LLC | 462 | $425.4K | 0.01% | +78+20.3% | Added |
| Ameritas Investment Partners, Inc. | 463 | $426.6K | 0.01% | −19−3.9% | Reduced |
| Covenant Asset Management, LLC | 465 | $428.1K | 0.08% | +3+0.6% | Added |
| Caitlin John, LLC | 471 | $433.7K | 0.30% | −13−2.7% | Reduced |
| Globeflex Capital L P | 474 | $436.4K | 0.07% | 00.0% | Unchanged |
| Kickstand Ventures, LLC. | 480 | $442.1K | 0.10% | 00.0% | Unchanged |
| Fielder Capital Group LLC | 482 | $443.7K | 0.10% | +2+0.4% | Added |
| Coastal Bridge Advisors, LLC | 488 | $449.0K | 0.03% | +7+1.5% | Added |
| Guardian Capital LP | 488 | $449.3K | 0.01% | −7−1.4% | Reduced |
| Parallel Advisors, LLC | 489 | $450.3K | 0.01% | −4−0.8% | Reduced |
| Umb Bank N A | 492 | $453.0K | 0.01% | +12+2.5% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 500 | $460.0K | 0.02% | 00.0% | Unchanged |
| MGB Wealth Management, LLC | 500 | $460.3K | 0.13% | 00.0% | Unchanged |
| Shell Asset Management Co | 503 | $463.0K | 0.05% | −4,661−90.3% | Reduced |
| Clarius Group, LLC | 504 | $464.0K | 0.03% | +36+7.7% | Added |
| CoreCap Advisors, LLC | 506 | $466.4K | 0.02% | −76−13.1% | Reduced |
| Bryn Mawr Trust Co | 508 | $467.7K | 0.01% | −5,081−90.9% | Reduced |
| Morningstar Investment Management LLC | 508 | $468.0K | 0.02% | +508 | New |
| Three Seasons Wealth, LLC | 509 | $468.6K | 0.05% | +509 | New |
| Abn Amro Investment Solutions | 511 | $470.4K | 0.01% | −180−26.0% | Reduced |
| Sagespring Wealth Partners, LLC | 512 | $471.1K | 0.01% | +12+2.4% | Added |
| Truvestments Capital LLC | 518 | $476.9K | 0.09% | +346+201.2% | Added |
| Financial Advisors Network, Inc. | 523 | $481.7K | 0.07% | −66−11.2% | Reduced |
| TFB Advisors LLC | 506 | $489.9K | 0.14% | −22−4.2% | Reduced |
| Pier Capital, LLC | 534 | $491.6K | 0.08% | −44−7.6% | Reduced |
| Savant Capital, LLC | 538 | $495.3K | 0.00% | +63+13.3% | Added |
| Alps Advisors Inc | 542 | $499.0K | 0.00% | −21−3.7% | Reduced |
| Calamos Wealth Management LLC | 542 | $499.0K | 0.02% | +542 | New |
| EverSource Wealth Advisors, LLC | 542 | $499.4K | 0.02% | +18+3.4% | Added |
| Smartleaf Asset Management LLC | 565 | $500.9K | 0.03% | +169+42.7% | Added |
| Versant Capital Management, Inc | 545 | $501.7K | 0.07% | +63+13.1% | Added |
| Cookson Peirce & Co Inc | 545 | $501.7K | 0.02% | +545 | New |
| Wetherby Asset Management Inc | 549 | $505.4K | 0.02% | +73+15.3% | Added |
| Knuff & Co LLC | 550 | $506.4K | 0.15% | +35+6.8% | Added |
| Trust Asset Management LLC | 554 | $510.0K | 0.04% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 555 | $511.0K | 0.01% | +24+4.5% | Added |
| Beverly Hills Private Wealth, LLC | 562 | $517.6K | 0.09% | −19−3.3% | Reduced |
| Hills Bank & Trust Co | 564 | $519.2K | 0.03% | 00.0% | Unchanged |
| Navellier & Associates Inc | 565 | $520.2K | 0.05% | 00.0% | Unchanged |
| Heartland Bank & Trust Co | 567 | $522.0K | 0.22% | −7−1.2% | Reduced |
| D.A. Davidson & Co. | 568 | $523.5K | 0.00% | +231+68.5% | Added |
| DRW Securities, LLC | 570 | $524.6K | 0.03% | −197−25.7% | Reduced |
| Independent Advisor Alliance | 570 | $524.8K | 0.01% | +17+3.1% | Added |
| Perigon Wealth Management, LLC | 572 | $526.6K | 0.01% | +62+12.2% | Added |
| WP Advisors, LLC | 573 | $527.5K | 0.13% | +1+0.2% | Added |
| B&L Asset Management LLC | 574 | $528.4K | 0.27% | +5+0.9% | Added |
| Lifeworks Advisors, LLC | 578 | $531.7K | 0.07% | −6−1.0% | Reduced |
| Kingswood Wealth Advisors, LLC | 580 | $534.0K | 0.03% | +580 | New |
| Concurrent Investment Advisors, LLC | 591 | $543.8K | 0.01% | +1+0.2% | Added |
| Baker Avenue Asset Management, LP | 593 | $546.0K | 0.01% | +46+8.4% | Added |
| iA Global Asset Management Inc. | 600 | $552.0K | 0.01% | +600 | New |
| Quest Partners LLC | 604 | $556.1K | 0.04% | +532+738.9% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 617 | $568.0K | 0.12% | +544+745.2% | Added |
| Arkadios Wealth Advisors | 624 | $574.8K | 0.01% | +624 | New |
| Financial Consulate, Inc | 639 | $588.3K | 0.08% | +639 | New |
| Prescott Group Capital Management, L.L.C. | 647 | $595.7K | 0.06% | 00.0% | Unchanged |
| George Kaiser Family Foundation | 647 | $595.7K | 0.08% | 00.0% | Unchanged |
| Yorktown Management & Research Co Inc | 650 | $598.4K | 0.48% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 655 | $602.6K | 0.01% | +121+22.7% | Added |
| Brighton Jones LLC | 656 | $604.2K | 0.01% | +3+0.5% | Added |
| Chicago Partners Investment Group LLC | 558 | $606.3K | 0.02% | +33+6.3% | Added |
| Gilbert & Cook, Inc. | 663 | $610.4K | 0.08% | +8+1.2% | Added |
| Cynosure Management, LLC | 664 | $611.3K | 0.07% | 00.0% | Unchanged |
| Oak Ridge Investments LLC | 668 | $615.0K | 0.04% | +6+0.9% | Added |
| Riverstone Advisors, LLC | 668 | $615.0K | 0.30% | +70+11.7% | Added |
| Stevens Capital Management LP | 668 | $615.0K | 0.08% | +389+139.4% | Added |
| Pitcairn Co | 670 | $616.8K | 0.05% | −636−48.7% | Reduced |
| Valeo Financial Advisors, LLC | 671 | $618.1K | 0.01% | −68−9.2% | Reduced |
| Insigneo Advisory Services, LLC | 674 | $620.5K | 0.04% | −66−8.9% | Reduced |
| Apollon Wealth Management, LLC | 678 | $624.4K | 0.01% | −211−23.7% | Reduced |
| Voleon Capital Management LP | 682 | $627.9K | 0.02% | +313+84.8% | Added |
| Summit Wealth Group LLC | 1,366 | $631.0K | 0.09% | +1,366 | New |
| Wolverine Trading, LLC | 714 | $633.0K | 0.01% | +347+94.6% | Added |
| Central Trust Co | 691 | $636.1K | 0.01% | −21−2.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 700 | $644.4K | 0.00% | −326−31.8% | Reduced |
| SummitTX Capital, L.P. | 700 | $644.4K | 0.03% | +700 | New |
| Fiduciary Trust Co | 709 | $652.5K | 0.01% | +112+18.8% | Added |