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, Q2 2025
Institutional positions in Monolithic Power Systems, Inc. as of Jun 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
- 907
- +55 vs. Q1 2025
- Shares held
- 47.4M
- +747.4K (+1.6%) vs. Q1 2025
- Total value
- $34.6B
- +$7.61B (+28.2%) vs. Q1 2025
- New holders
- 139
- 376 more added
- Sold out
- 84
- 299 more reduced
10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbor Investment Advisory, LLC | 21 | $15.4K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 22 | $16.0K | 0.00% | +9+69.2% | Added |
| Private Wealth Management Group, LLC | 22 | $16.1K | 0.01% | +15+214.3% | Added |
| Marshall & Sterling Wealth Advisors Inc. | 23 | $16.8K | 0.01% | −29−55.8% | Reduced |
| Country Trust Bank | 24 | $17.6K | 0.00% | 00.0% | Unchanged |
| Financial Perspectives, Inc | 24 | $17.8K | 0.01% | 00.0% | Unchanged |
| Ulland Investment Advisors, LLC | 25 | $18.0K | 0.01% | 00.0% | Unchanged |
| South State Corp. | 25 | $18.3K | 0.00% | −32−56.1% | Reduced |
| Anchor Investment Management, LLC | 25 | $18.3K | 0.00% | 00.0% | Unchanged |
| Centricity Wealth Management, LLC | 26 | $19.0K | 0.02% | 00.0% | Unchanged |
| Arlington Trust Co LLC | 27 | $19.7K | 0.00% | −26−49.1% | Reduced |
| Harbour Investments, Inc. | 27 | $19.7K | 0.00% | +6+28.6% | Added |
| Farmers & Merchants Investments Inc | 28 | $20.5K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 28 | $20.5K | 0.00% | +11+64.7% | Added |
| Essential Partners LLC | 29 | $21.2K | 0.01% | +29 | New |
| Wolff Wiese Magana LLC | 30 | $21.9K | 0.01% | 00.0% | Unchanged |
| Solstein Capital, LLC | 31 | $22.7K | 0.01% | 00.0% | Unchanged |
| Covestor Ltd | 30 | $23.0K | 0.01% | −215−87.8% | Reduced |
| Clear Street Markets LLC | 32 | $23.4K | 0.01% | +32 | New |
| Bell Investment Advisors, Inc | 38 | $27.8K | 0.00% | +6+18.8% | Added |
| MV Capital Management, Inc. | 39 | $28.5K | 0.00% | +2+5.4% | Added |
| Tidemark, LLC | 40 | $29.3K | 0.01% | +31+344.4% | Added |
| Rise Advisors, LLC | 40 | $29.5K | 0.01% | +9+29.0% | Added |
| WPG Advisers, LLC | 41 | $30.0K | 0.03% | −5−10.9% | Reduced |
| Talon Private Wealth, LLC | 42 | $30.7K | 0.00% | +42 | New |
| GW&K Investment Management, LLC | 42 | $31.0K | 0.00% | +9+27.3% | Added |
| Tradewinds Capital Management, LLC | 44 | $32.2K | 0.01% | −1−2.2% | Reduced |
| NewSquare Capital LLC | 44 | $32.2K | 0.00% | +19+76.0% | Added |
| Itau Unibanco Holding S.A. | 46 | $33.6K | 0.00% | −7−13.2% | Reduced |
| Sierra Ocean, LLC | 48 | $35.2K | 0.03% | −3−5.9% | Reduced |
| Fourth Dimension Wealth, LLC | 49 | $35.8K | 0.02% | 00.0% | Unchanged |
| Strategic Investment Solutions, Inc. | 49 | $35.8K | 0.01% | +49 | New |
| Optiver Holding B.V. | 51 | $37.3K | 0.00% | +51 | New |
| West Oak Capital, LLC | 55 | $40.2K | 0.02% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 56 | $41.0K | 0.00% | −13,937−99.6% | Reduced |
| IFP Advisors, Inc | 14 | $44.2K | 0.00% | −17−54.8% | Reduced |
| Golden State Wealth Management, LLC | 64 | $46.8K | 0.01% | −2−3.0% | Reduced |
| Delta Asset Management LLC | 65 | $47.5K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 65 | $47.5K | 0.00% | +49+306.3% | Added |
| Trust Co of Toledo NA | 66 | $48.3K | 0.01% | +66 | New |
| Quest Partners LLC | 72 | $52.7K | 0.01% | −59−45.0% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 73 | $53.4K | 0.02% | +73 | New |
| Sterling Capital Management LLC | 75 | $54.9K | 0.00% | −88−54.0% | Reduced |
| Private Trust Co NA | 83 | $60.7K | 0.01% | −84−50.3% | Reduced |
| Evelyn Partners Asset Management Ltd | 84 | $61.4K | 0.02% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 87 | $63.6K | 0.02% | 00.0% | Unchanged |
| Opal Wealth Advisors, LLC | 90 | $65.8K | 0.02% | −3−3.2% | Reduced |
| Zions Bancorporation, National Association | 94 | $68.8K | 0.00% | +52+123.8% | Added |
| Geneos Wealth Management Inc. | 108 | $79.0K | 0.00% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 108 | $79.0K | 0.00% | −236−68.6% | Reduced |
| Walleye Trading LLC | 109 | $79.7K | 0.00% | −2,240−95.4% | Reduced |
| Onefund, LLC | 124 | $91.0K | 0.07% | +124 | New |
| Trust Co of Vermont | 130 | $95.1K | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 131 | $96.0K | 0.06% | +4+3.1% | Added |
| Promus Capital, LLC | 136 | $99.5K | 0.06% | 00.0% | Unchanged |
| GeoWealth Management, LLC | 137 | $100.2K | 0.00% | −188−57.8% | Reduced |
| Aventura Private Wealth, LLC | 139 | $101.7K | 0.04% | 00.0% | Unchanged |
| Kestra Investment Management, LLC | 177 | $102.7K | 0.00% | 00.0% | Unchanged |
| MUFG Securities EMEA plc | 141 | $103.1K | 0.00% | +141 | New |
| Sentry Investment Management LLC | 137 | $104.0K | 0.06% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 146 | $106.8K | 0.01% | −1−0.7% | Reduced |
| Capital Analysts, LLC | 146 | $107.0K | 0.00% | +1+0.7% | Added |
| Rothschild Investment LLC | 154 | $112.6K | 0.01% | −19−11.0% | Reduced |
| Pension & Wealth Management Advisors, Inc. | 158 | $116.1K | 0.04% | −209−56.9% | Reduced |
| Leonteq Securities AG | 160 | $117.0K | 0.01% | −440−73.3% | Reduced |
| Brown Brothers Harriman & Co | 160 | $117.0K | 0.00% | +133+492.6% | Added |
| YANKCOM Partnership | 163 | $119.2K | 0.06% | −2−1.2% | Reduced |
| TD Waterhouse Canada Inc. | 164 | $122.4K | 0.00% | +29+21.5% | Added |
| Truvestments Capital LLC | 172 | $125.8K | 0.03% | −11−6.0% | Reduced |
| Park Place Capital Corp | 184 | $137.4K | 0.03% | +21+12.9% | Added |
| LRI Investments, LLC | 188 | $137.5K | 0.01% | 00.0% | Unchanged |
| MAI Capital Management | 196 | $143.0K | 0.00% | +38+24.1% | Added |
| Allworth Financial LP | 218 | $159.4K | 0.00% | +29+15.3% | Added |
| CVA Family Office, LLC | 218 | $159.4K | 0.02% | +29+15.3% | Added |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 224 | $163.8K | 0.02% | −205−47.8% | Reduced |
| Reyes Financial Architecture, Inc. | 225 | $164.6K | 0.14% | +225 | New |
| MCF Advisors LLC | 227 | $166.4K | 0.01% | +227 | New |
| St Germain D J Co Inc | 230 | $168.2K | 0.01% | +228+11,400.0% | Added |
| Gitterman Wealth Management, LLC | 245 | $179.2K | 0.04% | +245 | New |
| Massmutual Trust Co FSB | 249 | $182.1K | 0.00% | −21−7.8% | Reduced |
| First Horizon Advisors, Inc. | 256 | $187.5K | 0.00% | +38+17.4% | Added |
| GPS Wealth Strategies Group, LLC | 265 | $193.6K | 0.02% | −44−14.2% | Reduced |
| 111 Capital | 276 | $201.9K | 0.03% | +276 | New |
| International Assets Investment Management, LLC | 276 | $202.1K | 0.02% | −194−41.3% | Reduced |
| Corundum Group, Inc. | 277 | $202.6K | 0.09% | +277 | New |
| Woodward Diversified Capital, LLC | 277 | $202.6K | 0.10% | +277 | New |
| Stevens Capital Management LP | 279 | $204.0K | 0.06% | −192−40.8% | Reduced |
| Eq LLC | 279 | $204.3K | 0.08% | +279 | New |
| First Bank & Trust | 281 | $205.5K | 0.04% | +281 | New |
| Integrated Investment Consultants, LLC | 283 | $207.0K | 0.04% | +283 | New |
| Cary Street Partner Investment Advisory LLC | 289 | $211.2K | 0.10% | −76−20.8% | Reduced |
| CX Institutional | 290 | $212.0K | 0.01% | +28+10.7% | Added |
| Keel Point, LLC | 290 | $212.1K | 0.01% | +290 | New |
| Gerber Kawasaki Wealth & Investment Management | 291 | $213.1K | 0.01% | +291 | New |
| Fedenia Advisers LLC | 297 | $217.2K | 0.10% | +297 | New |
| Stephens Inc | 298 | $218.0K | 0.00% | +298 | New |
| Essex Investment Management Co LLC | 300 | $219.4K | 0.04% | 00.0% | Unchanged |
| FSM Wealth Advisors, LLC | 296 | $219.4K | 0.04% | +296 | New |
| Personal Cfo Solutions, LLC | 301 | $220.2K | 0.04% | +301 | New |
| Consolidated Portfolio Review Corp | 303 | $221.6K | 0.03% | +303 | New |