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 |
|---|---|---|---|---|---|
| Sunflower Bank, N.A. | 228 | $209.9K | 0.05% | +228 | New |
| Venturi Wealth Management, LLC | 229 | $210.8K | 0.01% | +229 | New |
| Belpointe Asset Management LLC | 229 | $210.8K | 0.01% | +229 | New |
| Fortis Capital Advisors, LLC | 229 | $210.8K | 0.03% | +229 | New |
| Gsa Capital Partners LLP | 232 | $214.0K | 0.02% | −531−69.6% | Reduced |
| Meridian Wealth Advisors, LLC | 233 | $214.5K | 0.03% | +233 | New |
| Alpha Family Trust | 235 | $216.3K | 0.10% | +235 | New |
| TCG Advisory Services, LLC | 236 | $217.3K | 0.01% | +236 | New |
| Bridgewater Advisors Inc. | 227 | $217.5K | 0.02% | +227 | New |
| PDS Planning, Inc | 238 | $219.1K | 0.02% | +238 | New |
| Gerber Kawasaki Wealth & Investment Management | 238 | $219.3K | 0.01% | −53−18.2% | Reduced |
| Conning Inc. | 241 | $221.9K | 0.01% | +241 | New |
| 180 Wealth Advisors, LLC | 242 | $222.8K | 0.03% | +242 | New |
| Resonant Capital Advisors, LLC | 243 | $224.1K | 0.01% | +243 | New |
| Simplicity Wealth,LLC | 243 | $224.1K | 0.01% | +243 | New |
| Sustainable Insight Capital Management, LLC | 244 | $224.6K | 0.07% | +244 | New |
| Brown Brothers Harriman & Co | 246 | $226.5K | 0.00% | +86+53.8% | Added |
| Miracle Mile Advisors, LLC | 246 | $226.7K | 0.00% | +246 | New |
| MOKAN Wealth Management Inc. | 248 | $229.3K | 0.12% | +248 | New |
| SBI Securities Co., Ltd. | 252 | $232.0K | 0.01% | −104−29.2% | Reduced |
| Tradition Wealth Management, LLC | 253 | $232.9K | 0.02% | +253 | New |
| Corundum Group, Inc. | 254 | $233.8K | 0.10% | −23−8.3% | Reduced |
| Gladstone Institutional Advisory LLC | 254 | $233.8K | 0.01% | +254 | New |
| Naviter Wealth, LLC | 254 | $234.2K | 0.03% | +254 | New |
| Maridea Wealth Management LLC | 229 | $236.0K | 0.04% | +229 | New |
| AlTi Global, Inc. | 256 | $236.1K | 0.01% | +256 | New |
| Massmutual Trust Co FSB | 257 | $236.6K | 0.01% | +8+3.2% | Added |
| Sonoma Allocations LLC | 233 | $240.0K | 0.09% | +233 | New |
| Woodward Diversified Capital, LLC | 264 | $243.0K | 0.11% | −13−4.7% | Reduced |
| Alta Advisers Ltd | 265 | $244.0K | 0.07% | +265 | New |
| Checchi Capital Advisers, LLC | 266 | $244.9K | 0.02% | −73−21.5% | Reduced |
| Shelton Capital Management | 267 | $245.8K | 0.01% | +267 | New |
| Pure Financial Advisors, Inc. | 269 | $247.7K | 0.00% | +269 | New |
| Howard Capital Management Inc. | 269 | $247.7K | 0.00% | +269 | New |
| Pallas Capital Advisors LLC | 271 | $249.2K | 0.01% | +271 | New |
| Atom Investors LP | 271 | $249.5K | 0.02% | +271 | New |
| Csenge Advisory Group | 273 | $251.0K | 0.01% | −78−22.2% | Reduced |
| Eq LLC | 279 | $257.2K | 0.09% | 00.0% | Unchanged |
| First Bank & Trust | 281 | $258.7K | 0.04% | 00.0% | Unchanged |
| Integrated Investment Consultants, LLC | 283 | $260.5K | 0.04% | 00.0% | Unchanged |
| Financiere des Professionnels - Fonds d,investissement inc. | 283 | $260.5K | 0.02% | +283 | New |
| Fieldview Capital Management, LLC | 283 | $260.5K | 0.04% | +283 | New |
| Personal Cfo Solutions, LLC | 289 | $266.1K | 0.05% | −12−4.0% | Reduced |
| Dearborn Partners LLC | 290 | $267.0K | 0.01% | +290 | New |
| CX Institutional | 291 | $268.0K | 0.01% | +1+0.3% | Added |
| Flow Traders U.S. LLC | 292 | $269.0K | 0.01% | +292 | New |
| Journey Strategic Wealth LLC | 297 | $273.4K | 0.01% | −65−18.0% | Reduced |
| Cary Street Partner Investment Advisory LLC | 298 | $274.1K | 0.11% | +9+3.1% | Added |
| Allworth Financial LP | 299 | $275.0K | 0.00% | +81+37.2% | Added |
| Prakash Investment Advisors LLC | 300 | $276.2K | 0.20% | +300 | New |
| Wallace Advisory Group, LLC | 382 | $279.4K | 0.22% | −59−13.4% | Reduced |
| Fedenia Advisers LLC | 305 | $280.8K | 0.11% | +8+2.7% | Added |
| Aptus Capital Advisors, LLC | 307 | $282.6K | 0.00% | +2+0.7% | Added |
| BIP Wealth, LLC | 309 | $284.5K | 0.01% | +309 | New |
| Phoenix Holdings Ltd. | 310 | $285.5K | 0.00% | +310 | New |
| FSM Wealth Advisors, LLC | 315 | $290.1K | 0.04% | +19+6.4% | Added |
| Consolidated Portfolio Review Corp | 317 | $291.8K | 0.04% | +14+4.6% | Added |
| Camden Capital, LLC | 317 | $292.1K | 0.02% | +317 | New |
| Unique Wealth, LLC | 318 | $292.8K | 0.04% | +3+1.0% | Added |
| Potentia Wealth | 320 | $294.6K | 0.11% | 00.0% | Unchanged |
| Keel Point, LLC | 320 | $294.6K | 0.02% | +30+10.3% | Added |
| SageView Advisory Group, LLC | 321 | $295.5K | 0.01% | +18+5.9% | Added |
| Commerzbank Aktiengesellschaft | 330 | $304.0K | 0.01% | 00.0% | Unchanged |
| BankPlus Wealth Management LLC | 331 | $305.1K | 0.18% | +2+0.6% | Added |
| Ewa, LLC | 333 | $306.8K | 0.08% | +2+0.6% | Added |
| TigerOak Management, L.L.C. | 334 | $307.5K | 0.10% | 00.0% | Unchanged |
| BAM Wealth Management, LLC | 335 | $308.4K | 0.24% | +335 | New |
| Dorsey & Whitney Trust CO LLC | 337 | $310.6K | 0.02% | −13−3.7% | Reduced |
| SG Americas Securities, LLC | 338 | $311.0K | 0.00% | −21,380−98.4% | Reduced |
| MAI Capital Management | 339 | $311.8K | 0.00% | +143+73.0% | Added |
| AMG National Trust Bank | 340 | $313.0K | 0.01% | 00.0% | Unchanged |
| Turtle Creek Wealth Advisors, LLC | 341 | $313.9K | 0.03% | +341 | New |
| First Affirmative Financial Network | 341 | $314.0K | 0.15% | −9−2.6% | Reduced |
| Avestar Capital, LLC | 354 | $325.9K | 0.02% | +354 | New |
| Sowell Financial Services LLC | 354 | $326.1K | 0.01% | −16−4.3% | Reduced |
| Clear Creek Financial Management, LLC | 360 | $331.4K | 0.03% | −272−43.0% | Reduced |
| Hutchens & Kramer Investment Management Group, LLC | 362 | $333.3K | 0.13% | +64+21.5% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 365 | $335.9K | 0.01% | 00.0% | Unchanged |
| Summit Creek Advisors LLC | 365 | $336.0K | 0.05% | −25−6.4% | Reduced |
| West Family Investments, Inc. | 370 | $340.6K | 0.08% | +10+2.8% | Added |
| Optas, LLC | 373 | $343.4K | 0.06% | +373 | New |
| Marex Group plc | 374 | $344.3K | 0.00% | −4,235−91.9% | Reduced |
| Johnson Financial Group, Inc. | 375 | $345.8K | 0.01% | −29−7.2% | Reduced |
| Patton Fund Management, Inc. | 376 | $346.2K | 0.06% | 00.0% | Unchanged |
| New Hampshire Trust | 379 | $348.9K | 0.07% | −6−1.6% | Reduced |
| Resources Investment Advisors, LLC. | 380 | $350.1K | 0.00% | +41+12.1% | Added |
| Forum Financial Management, LP | 383 | $352.6K | 0.00% | −21−5.2% | Reduced |
| Kera Capital Partners, Inc. | 390 | $359.1K | 0.05% | 00.0% | Unchanged |
| S-Bank Fund Management Ltd | 394 | $362.7K | 0.05% | −5−1.3% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 399 | $367.3K | 0.01% | 00.0% | Unchanged |
| Sather Financial Group Inc | 400 | $368.3K | 0.02% | 00.0% | Unchanged |
| NorthStar Asset Management LLC | 402 | $370.1K | 0.18% | 00.0% | Unchanged |
| Tributary Capital Management, LLC | 405 | $372.9K | 0.03% | +405 | New |
| Advisory Alpha, LLC | 401 | $373.2K | 0.01% | −53−11.7% | 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 |
| American National Bank | 413 | $380.2K | 0.04% | −12−2.8% | Reduced |
| FineMark National Bank & Trust | 414 | $381.1K | 0.01% | +414 | New |
| Total Clarity Wealth Management, Inc. | 417 | $383.9K | 0.10% | +417 | New |
| Yarbrough Capital, LLC | 418 | $384.8K | 0.01% | +418 | New |