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, 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 |
|---|---|---|---|---|---|
| Yorktown Management & Research Co Inc | 650 | $598.4K | 0.48% | 00.0% | Unchanged |
| 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 |
| Financial Consulate, Inc | 639 | $588.3K | 0.08% | +639 | New |
| Arkadios Wealth Advisors | 624 | $574.8K | 0.01% | +624 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 617 | $568.0K | 0.12% | +544+745.2% | Added |
| Quest Partners LLC | 604 | $556.1K | 0.04% | +532+738.9% | Added |
| iA Global Asset Management Inc. | 600 | $552.0K | 0.01% | +600 | New |
| Baker Avenue Asset Management, LP | 593 | $546.0K | 0.01% | +46+8.4% | Added |
| Concurrent Investment Advisors, LLC | 591 | $543.8K | 0.01% | +1+0.2% | Added |
| Kingswood Wealth Advisors, LLC | 580 | $534.0K | 0.03% | +580 | New |
| Lifeworks Advisors, LLC | 578 | $531.7K | 0.07% | −6−1.0% | Reduced |
| B&L Asset Management LLC | 574 | $528.4K | 0.27% | +5+0.9% | Added |
| WP Advisors, LLC | 573 | $527.5K | 0.13% | +1+0.2% | Added |
| Perigon Wealth Management, LLC | 572 | $526.6K | 0.01% | +62+12.2% | Added |
| Independent Advisor Alliance | 570 | $524.8K | 0.01% | +17+3.1% | Added |
| DRW Securities, LLC | 570 | $524.6K | 0.03% | −197−25.7% | Reduced |
| D.A. Davidson & Co. | 568 | $523.5K | 0.00% | +231+68.5% | Added |
| Heartland Bank & Trust Co | 567 | $522.0K | 0.22% | −7−1.2% | Reduced |
| Navellier & Associates Inc | 565 | $520.2K | 0.05% | 00.0% | Unchanged |
| Hills Bank & Trust Co | 564 | $519.2K | 0.03% | 00.0% | Unchanged |
| Beverly Hills Private Wealth, LLC | 562 | $517.6K | 0.09% | −19−3.3% | Reduced |
| Ballentine Partners, LLC | 555 | $511.0K | 0.01% | +24+4.5% | Added |
| Trust Asset Management LLC | 554 | $510.0K | 0.04% | 00.0% | Unchanged |
| Knuff & Co LLC | 550 | $506.4K | 0.15% | +35+6.8% | Added |
| Wetherby Asset Management Inc | 549 | $505.4K | 0.02% | +73+15.3% | 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 |
| Smartleaf Asset Management LLC | 565 | $500.9K | 0.03% | +169+42.7% | Added |
| EverSource Wealth Advisors, LLC | 542 | $499.4K | 0.02% | +18+3.4% | Added |
| Alps Advisors Inc | 542 | $499.0K | 0.00% | −21−3.7% | Reduced |
| Calamos Wealth Management LLC | 542 | $499.0K | 0.02% | +542 | New |
| Savant Capital, LLC | 538 | $495.3K | 0.00% | +63+13.3% | Added |
| Pier Capital, LLC | 534 | $491.6K | 0.08% | −44−7.6% | Reduced |
| TFB Advisors LLC | 506 | $489.9K | 0.14% | −22−4.2% | Reduced |
| Financial Advisors Network, Inc. | 523 | $481.7K | 0.07% | −66−11.2% | Reduced |
| Truvestments Capital LLC | 518 | $476.9K | 0.09% | +346+201.2% | Added |
| Sagespring Wealth Partners, LLC | 512 | $471.1K | 0.01% | +12+2.4% | Added |
| Abn Amro Investment Solutions | 511 | $470.4K | 0.01% | −180−26.0% | Reduced |
| Three Seasons Wealth, LLC | 509 | $468.6K | 0.05% | +509 | New |
| Morningstar Investment Management LLC | 508 | $468.0K | 0.02% | +508 | New |
| Bryn Mawr Trust Co | 508 | $467.7K | 0.01% | −5,081−90.9% | Reduced |
| CoreCap Advisors, LLC | 506 | $466.4K | 0.02% | −76−13.1% | Reduced |
| Clarius Group, LLC | 504 | $464.0K | 0.03% | +36+7.7% | Added |
| Shell Asset Management Co | 503 | $463.0K | 0.05% | −4,661−90.3% | Reduced |
| MGB Wealth Management, LLC | 500 | $460.3K | 0.13% | 00.0% | Unchanged |
| Deroy & Devereaux Private Investment Counsel Inc | 500 | $460.0K | 0.02% | 00.0% | Unchanged |
| Umb Bank N A | 492 | $453.0K | 0.01% | +12+2.5% | Added |
| Parallel Advisors, LLC | 489 | $450.3K | 0.01% | −4−0.8% | Reduced |
| Guardian Capital LP | 488 | $449.3K | 0.01% | −7−1.4% | Reduced |
| Coastal Bridge Advisors, LLC | 488 | $449.0K | 0.03% | +7+1.5% | Added |
| Fielder Capital Group LLC | 482 | $443.7K | 0.10% | +2+0.4% | Added |
| Kickstand Ventures, LLC. | 480 | $442.1K | 0.10% | 00.0% | Unchanged |
| Globeflex Capital L P | 474 | $436.4K | 0.07% | 00.0% | Unchanged |
| Caitlin John, LLC | 471 | $433.7K | 0.30% | −13−2.7% | Reduced |
| Covenant Asset Management, LLC | 465 | $428.1K | 0.08% | +3+0.6% | Added |
| Ameritas Investment Partners, Inc. | 463 | $426.6K | 0.01% | −19−3.9% | Reduced |
| Crestwood Advisors Group LLC | 462 | $425.4K | 0.01% | +78+20.3% | Added |
| 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 |
| Cigna Investments Inc | 455 | $419.0K | 0.06% | 00.0% | Unchanged |
| Uhlmann Price Securities, LLC | 454 | $418.1K | 0.26% | 00.0% | Unchanged |
| Vancity Investment Management Ltd | 454 | $418.0K | 0.06% | 00.0% | Unchanged |
| Covenant Partners, LLC | 454 | $418.0K | 0.12% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 390 | $417.6K | 0.01% | +390 | New |
| BXM Wealth LLC | 450 | $414.3K | 0.39% | 00.0% | Unchanged |
| Westpac Banking Corp | 449 | $413.4K | 0.03% | 00.0% | Unchanged |
| Outlook Wealth Advisors, LLC | 449 | $412.9K | 0.10% | −23−4.9% | Reduced |
| Adams Wealth Management | 456 | $411.2K | 0.09% | 00.0% | Unchanged |
| CacheTech Inc. | 456 | $411.2K | 0.08% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 445 | $410.0K | 0.02% | +94+26.8% | Added |
| Atomi Financial Group, Inc. | 445 | $409.4K | 0.01% | +82+22.6% | Added |
| Guinness Asset Management LTD | 461 | $408.7K | 0.01% | −112−19.5% | Reduced |
| Spire Wealth Management | 443 | $407.8K | 0.01% | −132−23.0% | Reduced |
| Alliance Wealth Advisors, LLC | 438 | $403.2K | 0.09% | −48−9.9% | Reduced |
| 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 |
| Bridges Investment Management Inc | 426 | $392.2K | 0.01% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 425 | $391.3K | 0.02% | −468−52.4% | Reduced |
| McHugh Group, LLC | 425 | $391.3K | 0.23% | 00.0% | Unchanged |
| Davenport & Co LLC | 420 | $386.7K | 0.00% | −218−34.2% | Reduced |
| Yarbrough Capital, LLC | 418 | $384.8K | 0.01% | +418 | New |
| Total Clarity Wealth Management, Inc. | 417 | $383.9K | 0.10% | +417 | New |
| FineMark National Bank & Trust | 414 | $381.1K | 0.01% | +414 | New |
| American National Bank | 413 | $380.2K | 0.04% | −12−2.8% | Reduced |
| Campbell & CO Investment Adviser LLC | 407 | $374.7K | 0.03% | −1,651−80.2% | Reduced |
| Fifth Third Wealth Advisors LLC | 407 | $374.7K | 0.01% | +15+3.8% | Added |
| Advisory Alpha, LLC | 401 | $373.2K | 0.01% | −53−11.7% | Reduced |
| Tributary Capital Management, LLC | 405 | $372.9K | 0.03% | +405 | New |
| NorthStar Asset Management LLC | 402 | $370.1K | 0.18% | 00.0% | Unchanged |
| Sather Financial Group Inc | 400 | $368.3K | 0.02% | 00.0% | Unchanged |
| Sanibel Captiva Trust Company, Inc. | 399 | $367.3K | 0.01% | 00.0% | Unchanged |
| S-Bank Fund Management Ltd | 394 | $362.7K | 0.05% | −5−1.3% | Reduced |
| Kera Capital Partners, Inc. | 390 | $359.1K | 0.05% | 00.0% | Unchanged |
| Forum Financial Management, LP | 383 | $352.6K | 0.00% | −21−5.2% | Reduced |
| Resources Investment Advisors, LLC. | 380 | $350.1K | 0.00% | +41+12.1% | Added |
| New Hampshire Trust | 379 | $348.9K | 0.07% | −6−1.6% | Reduced |
| Patton Fund Management, Inc. | 376 | $346.2K | 0.06% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 375 | $345.8K | 0.01% | −29−7.2% | Reduced |
| Marex Group plc | 374 | $344.3K | 0.00% | −4,235−91.9% | Reduced |