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 |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 157 | $142.4K | 0.01% | +1+0.6% | Added |
| TD Waterhouse Canada Inc. | 165 | $149.5K | 0.00% | +3+1.9% | Added |
| YANKCOM Partnership | 176 | $159.5K | 0.07% | +11+6.7% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 138 | $161.9K | 0.07% | +138 | New |
| Zions Bancorporation, National Association | 181 | $164.1K | 0.01% | +36+24.8% | Added |
| Walleye Capital LLC | 188 | $170.4K | 0.00% | −4,942−96.3% | Reduced |
| LRI Investments, LLC | 188 | $170.4K | 0.01% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 192 | $174.0K | 0.02% | +192 | New |
| Ofi Invest Asset Management | 228 | $176.0K | 0.00% | +50+28.1% | Added |
| St Germain D J Co Inc | 196 | $177.6K | 0.01% | −5−2.5% | Reduced |
| Firsthand Capital Management, Inc. | 200 | $181.3K | 0.34% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 204 | $184.9K | 0.01% | +204 | New |
| Virtus ETF Advisers LLC | 217 | $196.7K | 0.09% | +217 | New |
| CVA Family Office, LLC | 220 | $199.4K | 0.02% | +1+0.5% | Added |
| May Hill Capital, LLC | 221 | $200.3K | 0.05% | +221 | New |
| Sustainable Insight Capital Management, LLC | 222 | $201.2K | 0.07% | −22−9.0% | Reduced |
| GeoWealth Management, LLC | 222 | $201.3K | 0.01% | +222 | New |
| Autumn Glory Partners, LLC | 223 | $202.1K | 0.07% | 00.0% | Unchanged |
| CWA Asset Management Group, LLC | 223 | $202.1K | 0.01% | +3+1.4% | Added |
| Savvy Advisors, Inc. | 223 | $202.2K | 0.01% | +223 | New |
| 17 Capital Partners, LLC | 224 | $203.0K | 0.11% | +224 | New |
| Alta Advisers Ltd | 225 | $203.9K | 0.07% | −40−15.1% | Reduced |
| Drive Wealth Management, LLC | 225 | $204.2K | 0.04% | +7+3.2% | Added |
| OpenArc Corporate Advisory, LLC | 226 | $204.8K | 0.00% | +226 | New |
| Gerber Kawasaki Wealth & Investment Management | 226 | $205.1K | 0.01% | −12−5.0% | Reduced |
| Sunflower Bank, N.A. | 228 | $206.7K | 0.05% | 00.0% | Unchanged |
| L2 Asset Management, LLC | 230 | $208.5K | 0.03% | +230 | New |
| Wall Street Financial Group, Inc. | 232 | $210.3K | 0.15% | +7+3.1% | Added |
| Leonteq Securities AG | 232 | $210.3K | 0.01% | +135+139.2% | Added |
| Ameritas Advisory Services, LLC | 233 | $211.2K | 0.01% | +212+1,009.5% | Added |
| Ashton Thomas Private Wealth, LLC | 234 | $212.4K | 0.01% | +234 | New |
| Alpha Family Trust | 235 | $213.0K | 0.10% | 00.0% | Unchanged |
| Catalyst Financial Partners LLC | 235 | $213.0K | 0.02% | +235 | New |
| Alliance Wealth Advisors, LLC | 236 | $213.9K | 0.05% | −202−46.1% | Reduced |
| Summit Creek Advisors LLC | 236 | $213.9K | 0.03% | −129−35.3% | Reduced |
| PDS Planning, Inc | 237 | $214.8K | 0.01% | −1−0.4% | Reduced |
| Fisher Asset Management, LLC | 238 | $216.0K | 0.00% | +238 | New |
| Cary Street Partner Investment Advisory LLC | 243 | $220.0K | 0.06% | −55−18.5% | Reduced |
| Diversified Enterprises, LLC | 243 | $220.2K | 0.01% | +243 | New |
| Conning Inc. | 243 | $220.2K | 0.01% | +2+0.8% | Added |
| MCF Advisors LLC | 243 | $220.6K | 0.01% | +16+7.0% | Added |
| Hollencrest Capital Management | 245 | $222.1K | 0.01% | +245 | New |
| AlTi Global, Inc. | 252 | $228.8K | 0.00% | −4−1.6% | Reduced |
| Mount Yale Investment Advisors, LLC | 252 | $229.2K | 0.01% | +252 | New |
| Resonant Capital Advisors, LLC | 253 | $229.7K | 0.01% | +10+4.1% | Added |
| Naviter Wealth, LLC | 254 | $230.6K | 0.03% | 00.0% | Unchanged |
| Tradition Wealth Management, LLC | 255 | $231.1K | 0.02% | +2+0.8% | Added |
| Generali Investments, Management Co LLC | 256 | $232.0K | 0.05% | −1,918−88.2% | Reduced |
| MQS Management LLC | 256 | $232.0K | 0.14% | +256 | New |
| Royal Fund Management, LLC | 257 | $232.9K | 0.02% | +257 | New |
| Personal Cfo Solutions, LLC | 257 | $233.0K | 0.04% | −32−11.1% | Reduced |
| Coyle Financial Counsel LLC | 258 | $233.8K | 0.05% | +258 | New |
| McAdam, LLC | 261 | $236.6K | 0.01% | +261 | New |
| Fedenia Advisers LLC | 262 | $237.5K | 0.09% | −43−14.1% | Reduced |
| OneAscent Financial Services LLC | 263 | $238.7K | 0.02% | +263 | New |
| Checchi Capital Advisers, LLC | 264 | $239.3K | 0.02% | −2−0.8% | Reduced |
| Massmutual Trust Co FSB | 264 | $239.3K | 0.01% | +7+2.7% | Added |
| Gladstone Institutional Advisory LLC | 264 | $239.3K | 0.01% | +10+3.9% | Added |
| Graetz Wealth LLC | 265 | $240.5K | 0.22% | +265 | New |
| Occidental Asset Management, LLC | 266 | $241.1K | 0.03% | +266 | New |
| TCG Advisory Services, LLC | 269 | $243.8K | 0.01% | +33+14.0% | Added |
| West Family Investments, Inc. | 270 | $244.7K | 0.06% | −100−27.0% | Reduced |
| Howard Capital Management Inc. | 270 | $244.7K | 0.00% | +1+0.4% | Added |
| Wilkerson Advisory Group LLC | 270 | $244.7K | 0.09% | +270 | New |
| Pallas Capital Advisors LLC | 271 | $245.4K | 0.01% | 00.0% | Unchanged |
| Globeflex Capital L P | 271 | $245.6K | 0.04% | −203−42.8% | Reduced |
| Sharpepoint LLC | 271 | $245.6K | 0.15% | +271 | New |
| Three Seasons Wealth, LLC | 270 | $245.7K | 0.02% | −239−47.0% | Reduced |
| Simplicity Wealth,LLC | 271 | $246.0K | 0.01% | +28+11.5% | Added |
| Hutchens & Kramer Investment Management Group, LLC | 272 | $246.5K | 0.09% | −90−24.9% | Reduced |
| International Assets Investment Management, LLC | 273 | $247.2K | 0.02% | −3−1.1% | Reduced |
| Walser Wealth Management Company, A Ltd Liability Co | 273 | $247.4K | 0.13% | +273 | New |
| Davenport & Co LLC | 275 | $249.2K | 0.00% | −145−34.5% | Reduced |
| Bridgewater Advisors Inc. | 243 | $250.1K | 0.02% | +16+7.0% | Added |
| Quest Partners LLC | 276 | $250.2K | 0.01% | −328−54.3% | Reduced |
| Eq LLC | 279 | $253.2K | 0.07% | 00.0% | Unchanged |
| Unique Wealth, LLC | 281 | $254.7K | 0.04% | −37−11.6% | Reduced |
| First Bank & Trust | 282 | $255.6K | 0.04% | +1+0.4% | Added |
| Integrated Investment Consultants, LLC | 283 | $256.5K | 0.05% | 00.0% | Unchanged |
| Corundum Group, Inc. | 284 | $257.4K | 0.09% | +30+11.8% | Added |
| Miracle Mile Advisors, LLC | 285 | $258.6K | 0.00% | +39+15.9% | Added |
| Johnson Financial Group, Inc. | 287 | $260.6K | 0.01% | −88−23.5% | Reduced |
| Procyon Private Wealth Partners, LLC | 294 | $266.5K | 0.01% | +294 | New |
| MOKAN Wealth Management Inc. | 294 | $267.3K | 0.12% | +46+18.5% | Added |
| Journey Strategic Wealth LLC | 297 | $269.2K | 0.01% | 00.0% | Unchanged |
| Beese Fulmer Investment Management, Inc. | 298 | $270.1K | 0.02% | +298 | New |
| BAM Wealth Management, LLC | 299 | $271.0K | 0.20% | −36−10.7% | Reduced |
| Wealthspire Advisors, LLC | 301 | $272.8K | 0.00% | +188+166.4% | Added |
| Sheets Smith Wealth Management | 301 | $272.8K | 0.03% | −720−70.5% | Reduced |
| SageView Advisory Group, LLC | 302 | $273.7K | 0.01% | −19−5.9% | Reduced |
| AlphaCore Capital LLC | 303 | $274.6K | 0.01% | +303 | New |
| CX Institutional | 309 | $280.0K | 0.01% | +18+6.2% | Added |
| SmartHarvest Portfolios, LLC | 309 | $280.1K | 0.10% | +309 | New |
| SBI Securities Co., Ltd. | 312 | $282.8K | 0.01% | +60+23.8% | Added |
| Jacobi Capital Management LLC | 312 | $283.2K | 0.02% | +94+43.1% | Added |
| TigerOak Management, L.L.C. | 315 | $285.5K | 0.09% | −19−5.7% | Reduced |
| Dearborn Partners LLC | 315 | $285.5K | 0.01% | +25+8.6% | Added |
| Allworth Financial LP | 315 | $285.8K | 0.00% | +16+5.4% | Added |
| Moors & Cabot, Inc. | 320 | $290.0K | 0.01% | −105−24.7% | Reduced |
| Sage Mountain Advisors LLC | 320 | $290.3K | 0.02% | −125−28.1% | Reduced |