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 2026
Institutional positions in Monolithic Power Systems, Inc. as of Jun 30, 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
- 1,250
- +142 vs. Q1 2026
- Shares held
- 47.6M
- +386.8K (+0.8%) vs. Q1 2026
- Total value
- $65.6B
- +$14.1B (+27.4%) vs. Q1 2026
- New holders
- 220
- 419 more added
- Sold out
- 78
- 464 more reduced
16 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 3,130 | $4.33M | 0.00% | +3,130 | New |
| Harfst & Associates, Inc. | 3,124 | $4.32M | 0.67% | −164−5.0% | Reduced |
| Calamos Advisors LLC | 3,122 | $4.32M | 0.02% | −1,246−28.5% | Reduced |
| Rockefeller Capital Management L.P. | 3,117 | $4.31M | 0.01% | +119+4.0% | Added |
| ABN AMRO Bank N.V. | 3,130 | $4.30M | 0.06% | +200+6.8% | Added |
| PFG Advisors | 3,110 | $4.30M | 0.22% | −234−7.0% | Reduced |
| Bridgewater Associates, LP | 3,096 | $4.28M | 0.02% | −8,846−74.1% | Reduced |
| Allstate Corp | 3,091 | $4.27M | 0.04% | −1,973−39.0% | Reduced |
| Advisors Asset Management, Inc. | 3,071 | $4.25M | 0.06% | −70−2.2% | Reduced |
| GKV Capital Management Co., Inc. | 3,060 | $4.23M | 1.36% | +120+4.1% | Added |
| E Fund Management Co., Ltd. | 3,046 | $4.21M | 0.09% | +134+4.6% | Added |
| D. E. Shaw & Co., Inc. | 3,035 | $4.20M | 0.00% | +1,818+149.4% | Added |
| Equitable Holdings, Inc. | 3,025 | $4.18M | 0.02% | −35−1.1% | Reduced |
| SRS Capital Advisors, Inc. | 3,005 | $4.15M | 0.03% | +1,954+185.9% | Added |
| 4D Advisors, LLC | 3,000 | $4.15M | 1.59% | −1,000−25.0% | Reduced |
| Captrust Financial Advisors | 2,948 | $4.08M | 0.01% | +525+21.7% | Added |
| Snider Financial Group | 2,932 | $4.05M | 1.03% | +2,932 | New |
| Peak Retirement Planning, Inc. | 2,931 | $4.05M | 0.64% | −231−7.3% | Reduced |
| Thrive Capital Management, LLC | 2,928 | $4.05M | 0.76% | −511−14.9% | Reduced |
| Kentucky Retirement Systems | 2,922 | $4.04M | 0.10% | +2,922 | New |
| Silvercrest Asset Management Group LLC | 2,864 | $3.96M | 0.03% | −6,983−70.9% | Reduced |
| M&T Bank Corp | 2,841 | $3.93M | 0.01% | +35+1.2% | Added |
| Pensionmark Financial Group, LLC | 3,576 | $3.92M | 0.06% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 2,816 | $3.89M | 0.02% | −43−1.5% | Reduced |
| Burling Wealth Partners, LLC | 2,798 | $3.87M | 0.57% | +633+29.2% | Added |
| Stiles Financial Services Inc | 2,783 | $3.85M | 0.97% | +14+0.5% | Added |
| Abn Amro Investment Solutions | 2,741 | $3.79M | 0.03% | +467+20.5% | Added |
| Ketron Financial | 2,722 | $3.76M | 1.17% | +106+4.1% | Added |
| Polymer Capital Management (HK) LTD | 2,720 | $3.76M | 0.38% | +510+23.1% | Added |
| Hartford Investment Management Co | 2,716 | $3.75M | 0.11% | −58−2.1% | Reduced |
| Groupe la Francaise | 2,692 | $3.72M | 0.05% | −1,300−32.6% | Reduced |
| Clear Street Group Inc. | 2,623 | $3.63M | 0.01% | +2,623 | New |
| Allworth Financial LP | 2,586 | $3.58M | 0.02% | −24−0.9% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 2,580 | $3.57M | 0.08% | +839+48.2% | Added |
| Maryland State Retirement & Pension System | 2,544 | $3.52M | 0.06% | +236+10.2% | Added |
| Verition Fund Management LLC | 2,511 | $3.47M | 0.02% | +2,248+854.8% | Added |
| Edmond de Rothschild Holding S.A. | 2,506 | $3.46M | 0.05% | +1,069+74.4% | Added |
| New Mexico Educational Retirement Board | 2,500 | $3.46M | 0.09% | +300+13.6% | Added |
| Intech Investment Management LLC | 2,422 | $3.35M | 0.03% | +2,422 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 2,406 | $3.33M | 0.10% | −585−19.6% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 2,368 | $3.27M | 0.02% | −619−20.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,361 | $3.26M | 0.00% | −122−4.9% | Reduced |
| Commerzbank Aktiengesellschaft | 2,348 | $3.25M | 0.06% | +4+0.2% | Added |
| Valley National Advisers Inc | 2,347 | $3.24M | 0.36% | +35+1.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 2,334 | $3.23M | 0.03% | +99+4.4% | Added |
| Crossmark Global Holdings, Inc. | 2,313 | $3.20M | 0.04% | +244+11.8% | Added |
| Brinker Capital Investments, LLC | 2,297 | $3.18M | 0.02% | −123−5.1% | Reduced |
| La Banque Postale Asset Management SA | 2,279 | $3.15M | 0.03% | +1,703+295.7% | Added |
| Bouvel Investment Partners, LLC | 2,250 | $3.11M | 0.70% | +33+1.5% | Added |
| Ameritas Investment Partners, Inc. | 2,223 | $3.07M | 0.08% | −10−0.4% | Reduced |
| Clough Capital Partners L P | 2,207 | $3.05M | 0.25% | +750+51.5% | Added |
| Brookstone Capital Management | 2,203 | $3.05M | 0.03% | +1,363+162.3% | Added |
| Ci Investments Inc. | 2,198 | $3.04M | 0.01% | +1,755+396.2% | Added |
| Armistice Capital, LLC | 2,186 | $3.02M | 0.08% | +2,186 | New |
| Catalyst Capital Advisors LLC | 2,165 | $2.99M | 0.05% | −50−2.3% | Reduced |
| Jump Financial, LLC | 2,132 | $2.95M | 0.03% | +2,132 | New |
| GAMMA Investing LLC | 2,107 | $2.91M | 0.11% | +88+4.4% | Added |
| Caitong International Asset Management Co., Ltd | 2,101 | $2.90M | 0.40% | +2,101 | New |
| First National Advisers, LLC | 2,083 | $2.88M | 0.40% | −612−22.7% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 2,082 | $2.88M | 0.10% | −155−6.9% | Reduced |
| Shaker Investments LLC | 2,059 | $2.85M | 1.02% | +1,236+150.2% | Added |
| First National Bank of Omaha | 2,004 | $2.77M | 0.08% | −963−32.5% | Reduced |
| Baader Bank INC | 1,998 | $2.76M | 0.23% | +853+74.5% | Added |
| China Universal Asset Management Co., Ltd. | 1,979 | $2.74M | 0.16% | +497+33.5% | Added |
| Hudson Bay Capital Management LP | 1,980 | $2.74M | 0.01% | +1,980 | New |
| J. Safra Sarasin Holding AG | 3,125 | $2.73M | 0.04% | +1,370+78.1% | Added |
| Redhawk Wealth Advisors, Inc. | 1,960 | $2.71M | 0.27% | −175−8.2% | Reduced |
| Tokio Marine Asset Management Co Ltd | 1,952 | $2.70M | 0.08% | +25+1.3% | Added |
| Confluence Wealth Services, Inc. | 1,947 | $2.69M | 0.08% | +50+2.6% | Added |
| Roundview Capital LLC | 1,946 | $2.69M | 0.15% | +13+0.7% | Added |
| Hancock Whitney Corp | 1,921 | $2.66M | 0.04% | +514+36.5% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 1,918 | $2.65M | 0.08% | −295−13.3% | Reduced |
| CAPROCK Group, Inc. | 1,886 | $2.61M | 0.05% | −273−12.6% | Reduced |
| IHT Wealth Management, LLC | 1,888 | $2.61M | 0.06% | −47−2.4% | Reduced |
| Odyssean, LLC | 1,885 | $2.61M | 0.42% | +497+35.8% | Added |
| Sunpointe, LLC | 1,870 | $2.59M | 0.73% | −294−13.6% | Reduced |
| Values First Advisors, Inc. | 1,860 | $2.57M | 1.17% | −1,418−43.3% | Reduced |
| Marshall Wace, LLP | 1,849 | $2.56M | 0.00% | −4,883−72.5% | Reduced |
| Camden Capital, LLC | 1,848 | $2.55M | 0.13% | −254−12.1% | Reduced |
| Taylor Frigon Capital Management LLC | 1,846 | $2.55M | 1.19% | −9−0.5% | Reduced |
| Penserra Capital Management LLC | 1,836 | $2.54M | 0.02% | +729+65.9% | Added |
| Atria Investments LLC | 1,835 | $2.54M | 0.03% | −132−6.7% | Reduced |
| Evolve Private Wealth, LLC | 1,828 | $2.53M | 0.15% | −1,525−45.5% | Reduced |
| Callan Family Office, LLC | 1,822 | $2.52M | 0.05% | +63+3.6% | Added |
| Prescott Group Capital Management, L.L.C. | 1,803 | $2.49M | 0.22% | +1,156+178.7% | Added |
| Keybank National Association | 1,792 | $2.48M | 0.01% | +79+4.6% | Added |
| Oppenheimer Asset Management Inc. | 1,785 | $2.47M | 0.03% | −71−3.8% | Reduced |
| Morningstar Investment Management LLC | 2,252 | $2.46M | 0.15% | 00.0% | Unchanged |
| Prudential PLC | 1,735 | $2.40M | 0.02% | −946−35.3% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 1,712 | $2.37M | 0.06% | +765+80.8% | Added |
| Qsemble Capital Management, LP | 1,709 | $2.36M | 0.30% | +1,709 | New |
| Everence Capital Management Inc | 1,690 | $2.34M | 0.12% | 00.0% | Unchanged |
| Liberty Capital Management, Inc. | 1,680 | $2.32M | 0.40% | +1,680 | New |
| Ameritas Advisory Services, LLC | 1,677 | $2.32M | 0.05% | +1,485+773.4% | Added |
| Groupama Asset Managment | 1,745 | $2.31M | 0.03% | +3+0.2% | Added |
| FCG Investment Co | 1,671 | $2.31M | 0.80% | +134+8.7% | Added |
| Horizon Investments, LLC | 1,652 | $2.28M | 0.03% | +136+9.0% | Added |
| E. Ohman J:or Asset Management AB | 1,647 | $2.28M | 0.05% | 00.0% | Unchanged |
| GLOBALT Investments LLC | 1,644 | $2.27M | 0.08% | −6−0.4% | Reduced |
| Greenup Street Wealth Management LLC | 1,624 | $2.25M | 0.27% | −1,981−55.0% | Reduced |