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, Q1 2026
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2026. 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
- 1,124
- +80 vs. Q4 2025
- Shares held
- 47.3M
- +5.32M (+12.7%) vs. Q4 2025
- Total value
- $51.6B
- +$13.6B (+35.9%) vs. Q4 2025
- New holders
- 181
- 384 more added
- Sold out
- 101
- 408 more reduced
17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Westpac Banking Corp | 1,316 | $1.44M | 0.10% | +127+10.7% | Added |
| Stance Capital LLC | 1,323 | $1.45M | 0.70% | −93−6.6% | Reduced |
| Securian Asset Management, Inc | 1,329 | $1.45M | 0.06% | 00.0% | Unchanged |
| NVWM, LLC | 1,334 | $1.46M | 0.32% | +67+5.3% | Added |
| RDA Financial Network | 1,337 | $1.46M | 0.37% | −216−13.9% | Reduced |
| Plato Investment Management Ltd | 1,337 | $1.46M | 0.10% | +300+28.9% | Added |
| North Dakota State Investment Board | 1,341 | $1.47M | 0.06% | −245−15.4% | Reduced |
| Moody National Bank Trust Division | 1,341 | $1.47M | 0.14% | +16+1.2% | Added |
| MUFG Securities Americas Inc. | 1,348 | $1.47M | 0.09% | +57+4.4% | Added |
| Evergreen Capital Management LLC | 1,350 | $1.48M | 0.03% | +43+3.3% | Added |
| Summit Place Financial Advisors, LLC | 1,357 | $1.48M | 0.71% | +63+4.9% | Added |
| Beacon Pointe Advisors, LLC | 1,360 | $1.49M | 0.01% | +979+257.0% | Added |
| DSG Capital Advisors, LLC | 1,365 | $1.49M | 0.24% | −132−8.8% | Reduced |
| Odyssean, LLC | 1,388 | $1.52M | 0.55% | +605+77.3% | Added |
| Ducere Wealth Management LLC | 1,391 | $1.52M | 0.60% | +46+3.4% | Added |
| We Are One Seven, LLC | 1,394 | $1.52M | 0.03% | +1+0.1% | Added |
| Kestra Advisory Services, LLC | 1,398 | $1.53M | 0.01% | −531−27.5% | Reduced |
| Laird Norton Trust Company, LLC | 1,401 | $1.53M | 0.03% | −88−5.9% | Reduced |
| Quadrant Capital Group LLC | 1,411 | $1.54M | 0.05% | −7−0.5% | Reduced |
| Wedmont Private Capital | 1,181 | $1.55M | 0.05% | +77+7.0% | Added |
| Kovack Advisors, Inc. | 1,422 | $1.56M | 0.08% | −31−2.1% | Reduced |
| Bellwether Advisors, LLC | 1,425 | $1.56M | 0.26% | +1,425 | New |
| Voleon Capital Management LP | 1,430 | $1.56M | 0.03% | +1,430 | New |
| RFG Advisory, LLC | 1,436 | $1.57M | 0.03% | −938−39.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 1,437 | $1.57M | 0.02% | +1,437 | New |
| FourThought Financial Partners, LLC | 1,440 | $1.57M | 0.14% | −27−1.8% | Reduced |
| Warren Averett Asset Management, LLC | 1,445 | $1.58M | 0.01% | −7−0.5% | Reduced |
| Meeder Advisory Services, Inc. | 1,447 | $1.58M | 0.07% | +165+12.9% | Added |
| Clough Capital Partners L P | 1,457 | $1.59M | 0.15% | +1,457 | New |
| United Capital Financial Advisers, LLC | 1,483 | $1.62M | 0.01% | −1,008−40.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 1,482 | $1.62M | 0.12% | +126+9.3% | Added |
| Forty-three Eighteen Advisors, LLC | 1,499 | $1.64M | 1.23% | +66+4.6% | Added |
| PKO Investment Management Joint-Stock Co | 1,500 | $1.64M | 0.14% | 00.0% | Unchanged |
| Horizon Investments, LLC | 1,516 | $1.66M | 0.02% | −50−3.2% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,518 | $1.66M | 0.00% | +31+2.1% | Added |
| Bridgeway Capital Management, LLC | 1,530 | $1.67M | 0.03% | 00.0% | Unchanged |
| FCG Investment Co | 1,537 | $1.68M | 0.74% | +1,537 | New |
| Winton Group Ltd | 1,541 | $1.68M | 0.06% | +93+6.4% | Added |
| Acadian Asset Management LLC | 1,545 | $1.69M | 0.00% | +934+152.9% | Added |
| Northwestern Mutual Investment Management Company, LLC | 1,558 | $1.70M | 0.03% | +27+1.8% | Added |
| Westover Capital Advisors, LLC | 1,558 | $1.70M | 0.31% | +153+10.9% | Added |
| Jacksonville Wealth Management, LLC | 1,569 | $1.72M | 1.16% | −5−0.3% | Reduced |
| Sirios Capital Management L P | 1,578 | $1.73M | 0.21% | −886−36.0% | Reduced |
| Icon Wealth Advisors, LLC | 1,148 | $1.75M | 0.11% | −523−31.3% | Reduced |
| Greenland Capital Management LP | 1,635 | $1.79M | 0.36% | −2,104−56.3% | Reduced |
| Worthington Financial Partners, LLC | 1,640 | $1.79M | 1.54% | −262−13.8% | Reduced |
| E. Ohman J:or Asset Management AB | 1,647 | $1.80M | 0.05% | 00.0% | Unchanged |
| ING Groep NV | 1,648 | $1.80M | 0.01% | +571+53.0% | Added |
| Norden Group LLC | 1,649 | $1.80M | 0.17% | +183+12.5% | Added |
| GLOBALT Investments LLC | 1,650 | $1.80M | 0.06% | −15−0.9% | Reduced |
| Assenagon Asset Management S.A. | 1,651 | $1.81M | 0.00% | +89+5.7% | Added |
| Vestcor Inc | 1,689 | $1.85M | 0.05% | +341+25.3% | Added |
| Everence Capital Management Inc | 1,690 | $1.85M | 0.11% | 00.0% | Unchanged |
| Keybank National Association | 1,713 | $1.87M | 0.01% | −58−3.3% | Reduced |
| Virtus Investment Advisers, Inc. | 1,731 | $1.89M | 0.52% | −24−1.4% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 1,741 | $1.90M | 0.05% | +116+7.1% | Added |
| Groupama Asset Managment | 1,742 | $1.90M | 0.03% | +84+5.1% | Added |
| J. Safra Sarasin Holding AG | 1,755 | $1.92M | 0.03% | +333+23.4% | Added |
| Callan Family Office, LLC | 1,759 | $1.92M | 0.04% | −353−16.7% | Reduced |
| Change Path, LLC | 1,760 | $1.92M | 0.04% | −312−15.1% | Reduced |
| Saudi Central Bank | 1,768 | $1.93M | 0.04% | +1,768 | New |
| Linden Thomas Advisory Services, LLC | 1,798 | $1.97M | 0.19% | −2,435−57.5% | Reduced |
| Mirova | 1,808 | $1.98M | 0.08% | −238−11.6% | Reduced |
| BLI - Banque de Luxembourg Investments | 2,200 | $2.00M | 0.06% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 1,839 | $2.01M | 0.01% | +1,279+228.4% | Added |
| Taylor Frigon Capital Management LLC | 1,855 | $2.03M | 1.15% | −2,241−54.7% | Reduced |
| Oppenheimer Asset Management Inc. | 1,856 | $2.03M | 0.02% | −28−1.5% | Reduced |
| Woodline Partners LP | 1,869 | $2.04M | 0.01% | −771−29.2% | Reduced |
| Cim, LLC | 1,871 | $2.05M | 0.30% | −68−3.5% | Reduced |
| Confluence Wealth Services, Inc. | 1,897 | $2.07M | 0.08% | −18−0.9% | Reduced |
| Tokio Marine Asset Management Co Ltd | 1,927 | $2.11M | 0.08% | +30+1.6% | Added |
| VestGen Advisors, LLC | 1,318 | $2.11M | 0.06% | +435+49.3% | Added |
| Roundview Capital LLC | 1,933 | $2.11M | 0.13% | +1,933 | New |
| IHT Wealth Management, LLC | 1,935 | $2.12M | 0.05% | +1,935 | New |
| Atria Investments LLC | 1,967 | $2.15M | 0.02% | −749−27.6% | Reduced |
| CWM, LLC | 1,970 | $2.15M | 0.01% | +10+0.5% | Added |
| MUFG Securities EMEA plc | 1,997 | $2.18M | 0.03% | −72,969−97.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 2,016 | $2.20M | 0.01% | +2,016 | New |
| GAMMA Investing LLC | 2,019 | $2.21M | 0.10% | +50+2.5% | Added |
| Hancock Whitney Corp | 1,407 | $2.23M | 0.04% | +642+83.9% | Added |
| Crossmark Global Holdings, Inc. | 2,069 | $2.26M | 0.03% | +346+20.1% | Added |
| Camden Capital, LLC | 2,102 | $2.30M | 0.15% | +628+42.6% | Added |
| Redhawk Wealth Advisors, Inc. | 2,135 | $2.33M | 0.26% | −1,465−40.7% | Reduced |
| Guidance Capital, Inc | 1,481 | $2.35M | 0.53% | −1,378−48.2% | Reduced |
| Sunpointe, LLC | 2,164 | $2.37M | 0.78% | −423−16.4% | Reduced |
| CAPROCK Group, Inc. | 2,159 | $2.37M | 0.06% | −78−3.5% | Reduced |
| Burling Wealth Partners, LLC | 2,165 | $2.37M | 0.38% | +2,165 | New |
| Metis Global Partners, LLC | 2,192 | $2.40M | 0.06% | −256−10.5% | Reduced |
| New Mexico Educational Retirement Board | 2,200 | $2.40M | 0.07% | 00.0% | Unchanged |
| Polymer Capital Management (HK) LTD | 2,210 | $2.42M | 0.34% | −1,012−31.4% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 2,213 | $2.42M | 0.09% | +2,213 | New |
| Banque Cantonale Vaudoise | 2,213 | $2.42M | 0.09% | +441+24.9% | Added |
| Catalyst Capital Advisors LLC | 2,215 | $2.42M | 0.05% | +415+23.1% | Added |
| Bouvel Investment Partners, LLC | 2,217 | $2.42M | 0.70% | +71+3.3% | Added |
| Ameritas Investment Partners, Inc. | 2,233 | $2.44M | 0.08% | +38+1.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 2,235 | $2.44M | 0.02% | −213−8.7% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 2,237 | $2.45M | 0.11% | +178+8.6% | Added |
| Patton Fund Management, Inc. | 2,240 | $2.45M | 0.42% | −3,789−62.8% | Reduced |
| Morningstar Investment Management LLC | 2,252 | $2.46M | 0.15% | +1,744+343.3% | Added |
| Abn Amro Investment Solutions | 2,274 | $2.49M | 0.03% | +43+1.9% | Added |