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 |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 322 | $291.8K | 0.02% | −888−73.4% | Reduced |
| Dorsey & Whitney Trust CO LLC | 325 | $295.0K | 0.02% | −12−3.6% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 329 | $298.2K | 0.02% | −12−3.5% | Reduced |
| Commerzbank Aktiengesellschaft | 330 | $299.0K | 0.01% | 00.0% | Unchanged |
| Ethos Financial Group, LLC | 330 | $299.6K | 0.02% | +330 | New |
| BankPlus Wealth Management LLC | 334 | $303.3K | 0.17% | +3+0.9% | Added |
| Gateway Investment Advisers LLC | 336 | $304.5K | 0.00% | +336 | New |
| Keel Point, LLC | 336 | $304.6K | 0.02% | +16+5.0% | Added |
| AMG National Trust Bank | 340 | $308.2K | 0.01% | 00.0% | Unchanged |
| Frank, Rimerman Advisors LLC | 343 | $310.9K | 0.02% | +343 | New |
| 71 West Capital Partners | 343 | $310.9K | 0.01% | +343 | New |
| New Hampshire Trust | 347 | $314.5K | 0.06% | −32−8.4% | Reduced |
| OneAscent Investment Solutions LLC | 348 | $315.4K | 0.33% | +348 | New |
| Phoenix Holdings Ltd. | 349 | $316.5K | 0.00% | +39+12.6% | Added |
| Ewa, LLC | 350 | $317.0K | 0.08% | +17+5.1% | Added |
| Sowell Financial Services LLC | 353 | $320.2K | 0.01% | −1−0.3% | Reduced |
| Silver Oak Securities, Inc | 349 | $322.4K | 0.02% | +152+77.2% | Added |
| Brown Brothers Harriman & Co | 361 | $327.2K | 0.00% | +115+46.7% | Added |
| Excelsior Advisor Network LLC | 364 | $329.9K | 0.16% | +364 | New |
| Cresset Asset Management, LLC | 364 | $330.9K | 0.00% | +137+60.4% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 365 | $331.3K | 0.01% | 00.0% | Unchanged |
| MAI Capital Management | 371 | $336.6K | 0.00% | +32+9.4% | Added |
| Resources Investment Advisors, LLC. | 373 | $338.3K | 0.00% | −7−1.8% | Reduced |
| S-Bank Fund Management Ltd | 376 | $340.8K | 0.04% | −18−4.6% | Reduced |
| Oakmont Advisory Group, LLC | 376 | $341.1K | 0.36% | +376 | New |
| Beacon Pointe Advisors, LLC | 381 | $345.3K | 0.00% | +381 | New |
| Krilogy Financial LLC | 324 | $346.1K | 0.01% | +324 | New |
| Aptus Capital Advisors, LLC | 383 | $347.1K | 0.00% | +76+24.8% | Added |
| Virtue Capital Management, LLC | 375 | $351.1K | 0.05% | −569−60.3% | Reduced |
| Fifth Third Wealth Advisors LLC | 390 | $353.5K | 0.01% | −17−4.2% | Reduced |
| Tributary Capital Management, LLC | 390 | $353.5K | 0.03% | −15−3.7% | Reduced |
| Forum Financial Management, LP | 390 | $353.5K | 0.00% | +7+1.8% | Added |
| EP Wealth Advisors, LLC | 392 | $355.2K | 0.00% | +392 | New |
| Optas, LLC | 395 | $358.0K | 0.06% | +22+5.9% | Added |
| Truvestments Capital LLC | 399 | $362.1K | 0.07% | −119−23.0% | Reduced |
| Sather Financial Group Inc | 400 | $362.5K | 0.02% | 00.0% | Unchanged |
| Prakash Investment Advisors LLC | 400 | $362.5K | 0.28% | +100+33.3% | Added |
| NorthStar Asset Management LLC | 402 | $364.4K | 0.16% | 00.0% | Unchanged |
| Twin Capital Management Inc | 403 | $365.3K | 0.05% | +403 | New |
| Sanibel Captiva Trust Company, Inc. | 404 | $366.2K | 0.01% | +5+1.3% | Added |
| Journey Retirement Planning & Investment Management LLC | 405 | $367.3K | 0.08% | +405 | New |
| Landscape Capital Management, L.L.C. | 406 | $368.0K | 0.02% | −2,185−84.3% | Reduced |
| Yeomans Consulting Group, Inc. | 411 | $372.5K | 0.11% | +411 | New |
| American National Bank | 413 | $374.3K | 0.04% | 00.0% | Unchanged |
| FineMark National Bank & Trust | 414 | $375.2K | 0.01% | 00.0% | Unchanged |
| Yarbrough Capital, LLC | 418 | $378.9K | 0.01% | 00.0% | Unchanged |
| WP Advisors, LLC | 421 | $381.2K | 0.09% | −152−26.5% | Reduced |
| Total Clarity Wealth Management, Inc. | 422 | $382.5K | 0.09% | +5+1.2% | Added |
| Beverly Hills Private Wealth, LLC | 423 | $383.6K | 0.07% | −139−24.7% | Reduced |
| Financial Advisory Corp | 425 | $385.0K | 0.10% | −382−47.3% | Reduced |
| McHugh Group, LLC | 425 | $385.2K | 0.22% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 427 | $387.0K | 0.04% | +427 | New |
| Uhlmann Price Securities, LLC | 429 | $389.3K | 0.23% | −25−5.5% | Reduced |
| Marex Group plc | 432 | $391.5K | 0.00% | +58+15.5% | Added |
| Guinness Asset Management LTD | 423 | $393.4K | 0.01% | −38−8.2% | Reduced |
| Outlook Wealth Advisors, LLC | 439 | $397.5K | 0.09% | −10−2.2% | Reduced |
| Advisory Alpha, LLC | 440 | $399.0K | 0.01% | +39+9.7% | Added |
| Ci Investments Inc. | 441 | $399.7K | 0.00% | −535−54.8% | Reduced |
| Clear Creek Financial Management, LLC | 442 | $401.0K | 0.03% | +82+22.8% | Added |
| Covenant Asset Management, LLC | 447 | $405.1K | 0.08% | −18−3.9% | Reduced |
| Bridges Investment Management Inc | 449 | $407.0K | 0.01% | +23+5.4% | 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 |
| Mainstay Capital Management LLC | 450 | $407.9K | 0.03% | +14+3.2% | Added |
| Vancity Investment Management Ltd | 454 | $411.0K | 0.06% | 00.0% | Unchanged |
| Covenant Partners, LLC | 454 | $411.5K | 0.12% | 00.0% | Unchanged |
| Cigna Investments Inc | 455 | $412.0K | 0.06% | 00.0% | Unchanged |
| KCM Investment Advisors LLC | 457 | $414.2K | 0.01% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 458 | $415.1K | 0.06% | +458 | New |
| Adams Wealth Management | 456 | $419.1K | 0.09% | 00.0% | Unchanged |
| CacheTech Inc. | 456 | $419.1K | 0.08% | 00.0% | Unchanged |
| Pier Capital, LLC | 466 | $422.4K | 0.07% | −68−12.7% | Reduced |
| Financial Advisors Network, Inc. | 479 | $434.3K | 0.06% | −44−8.4% | 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 |
| Sovran Advisors, LLC | 431 | $435.1K | 0.04% | −549−56.0% | Reduced |
| Kickstand Ventures, LLC. | 480 | $435.2K | 0.09% | 00.0% | Unchanged |
| Coastal Bridge Advisors, LLC | 486 | $440.3K | 0.03% | −2−0.4% | Reduced |
| TFB Advisors LLC | 492 | $445.9K | 0.12% | −14−2.8% | Reduced |
| Marshall Financial Group LLC | 494 | $447.8K | 0.09% | −1,470−74.8% | Reduced |
| Deroy & Devereaux Private Investment Counsel Inc | 500 | $453.0K | 0.02% | 00.0% | Unchanged |
| MGB Wealth Management, LLC | 500 | $453.2K | 0.13% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 503 | $455.9K | 0.02% | +96+23.6% | Added |
| EFG International AG | 504 | $456.8K | 0.01% | +504 | New |
| 111 Capital | 506 | $458.6K | 0.10% | +506 | New |
| Sagespring Wealth Partners, LLC | 507 | $459.3K | 0.01% | −5−1.0% | Reduced |
| Insigneo Advisory Services, LLC | 507 | $459.5K | 0.03% | −167−24.8% | Reduced |
| Morningstar Investment Management LLC | 508 | $460.0K | 0.03% | 00.0% | Unchanged |
| Clarius Group, LLC | 508 | $460.4K | 0.03% | +4+0.8% | Added |
| Atomi Financial Group, Inc. | 508 | $461.0K | 0.01% | +63+14.2% | Added |
| Crestwood Advisors Group LLC | 509 | $461.7K | 0.01% | +47+10.2% | Added |
| Parallel Advisors, LLC | 511 | $463.5K | 0.01% | +22+4.5% | Added |
| Umb Bank N A | 512 | $464.1K | 0.01% | +20+4.1% | Added |
| Savant Capital, LLC | 512 | $464.3K | 0.00% | −26−4.8% | Reduced |
| 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 |
| AdvisorShares Investments LLC | 520 | $471.3K | 0.08% | +520 | New |
| Mutual Advisors, LLC | 520 | $471.3K | 0.01% | +130+33.3% | Added |
| Foundations Investment Advisors, LLC | 523 | $474.3K | 0.01% | +523 | New |
| Smartleaf Asset Management LLC | 517 | $477.7K | 0.02% | −48−8.5% | Reduced |