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, 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 |
|---|---|---|---|---|---|
| MetLife Investment Management | 14,050 | $12.9M | 0.06% | −232−1.6% | Reduced |
| Teacher Retirement System of Texas | 13,617 | $12.5M | 0.05% | −600−4.2% | Reduced |
| The PNC Financial Services Group, Inc. | 13,188 | $12.1M | 0.01% | −142−1.1% | Reduced |
| Moore Capital Management, LP | 12,894 | $11.9M | 0.24% | −7,106−35.5% | Reduced |
| Achmea Investment Management B.V. | 12,808 | $11.8M | 0.15% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,798 | $11.8M | 0.10% | −1,200−8.6% | Reduced |
| Cullen/Frost Bankers, Inc. | 12,762 | $11.7M | 0.14% | +9,713+318.6% | Added |
| Hantz Financial Services, Inc. | 12,645 | $11.6M | 0.18% | −1,653−11.6% | Reduced |
| Bokf, NA | 12,630 | $11.6M | 0.17% | +6,480+105.4% | Added |
| Cetera Investment Advisers | 12,565 | $11.6M | 0.01% | +3,627+40.6% | Added |
| Pathstone Holdings, LLC | 12,428 | $11.4M | 0.04% | +354+2.9% | Added |
| Czech National Bank | 12,164 | $11.2M | 0.08% | +461+3.9% | Added |
| Nicholas Investment Partners, LP | 11,912 | $11.0M | 0.84% | 00.0% | Unchanged |
| Silvant Capital Management LLC | 11,892 | $10.9M | 0.38% | −1,124−8.6% | Reduced |
| Colony Group, LLC | 11,873 | $10.9M | 0.02% | +10,433+724.5% | Added |
| US Bancorp | 11,752 | $10.8M | 0.01% | −326−2.7% | Reduced |
| Quest Investment Management LLC | 11,745 | $10.8M | 1.13% | −1,425−10.8% | Reduced |
| GWM Advisors LLC | 11,727 | $10.8M | 0.05% | +2,344+25.0% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 11,544 | $10.6M | 0.05% | +927+8.7% | Added |
| State of Tennessee, Treasury Department | 11,540 | $10.6M | 0.04% | −4,763−29.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,501 | $10.6M | 0.05% | −242−2.1% | Reduced |
| Xponance, Inc. | 11,222 | $10.3M | 0.08% | −128−1.1% | Reduced |
| Comerica Bank | 10,906 | $10.0M | 0.04% | +1,000+10.1% | Added |
| Mariner, LLC | 10,861 | $10.0M | 0.01% | −379−3.4% | Reduced |
| Storebrand Asset Management AS | 10,582 | $9.74M | 0.03% | +187+1.8% | Added |
| NorthCrest Asset Manangement, LLC | 10,267 | $9.71M | 0.23% | +25+0.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 10,488 | $9.66M | 0.03% | +4,501+75.2% | Added |
| Amalgamated Bank | 10,454 | $9.62M | 0.07% | +148+1.4% | Added |
| UniSuper Management Pty Ltd | 10,374 | $9.55M | 0.06% | −247−2.3% | Reduced |
| Daiwa Securities Group Inc. | 10,229 | $9.42M | 0.03% | +693+7.3% | Added |
| Retirement Systems of Alabama | 10,217 | $9.41M | 0.03% | −59−0.6% | Reduced |
| Blair William & Co | 10,182 | $9.37M | 0.02% | +1,195+13.3% | Added |
| KBC Group NV | 9,866 | $9.08M | 0.02% | −7,447−43.0% | Reduced |
| Larson Financial Group LLC | 9,854 | $9.07M | 0.32% | +63+0.6% | Added |
| Man Group plc | 9,739 | $8.97M | 0.02% | −17,022−63.6% | Reduced |
| USS Investment Management Ltd | 9,663 | $8.89M | 0.04% | 00.0% | Unchanged |
| BLB&B Advisors, LLC | 9,581 | $8.82M | 0.38% | +376+4.1% | Added |
| Toroso Investments, LLC | 9,507 | $8.75M | 0.04% | +1,554+19.5% | Added |
| Stratos Wealth Partners, LTD. | 9,395 | $8.65M | 0.10% | +217+2.4% | Added |
| Level Four Advisory Services, LLC | 9,386 | $8.64M | 0.30% | −1,229−11.6% | Reduced |
| JustInvest LLC | 9,244 | $8.51M | 0.09% | +242+2.7% | Added |
| Stanley-Laman Group, Ltd. | 9,235 | $8.50M | 1.22% | +9,235 | New |
| Clearbridge Investments, LLC | 9,211 | $8.48M | 0.01% | +259+2.9% | Added |
| Balyasny Asset Management LLC | 9,159 | $8.43M | 0.02% | +9,159 | New |
| Harvest Fund Management Co., Ltd | 8,946 | $8.22M | 0.35% | +1,008+12.7% | Added |
| IFM Investors Pty Ltd | 9,175 | $8.14M | 0.07% | +35+0.4% | Added |
| Carderock Capital Management Inc | 8,523 | $7.85M | 1.91% | +2,856+50.4% | Added |
| CWM Advisors, LLC | 8,361 | $7.70M | 0.75% | +271+3.3% | Added |
| Mercer Global Advisors Inc | 8,341 | $7.66M | 0.01% | +2,649+46.5% | Added |
| Renaissance Technologies LLC | 8,086 | $7.44M | 0.01% | +8,086 | New |
| NFJ Investment Group, LLC | 7,973 | $7.34M | 0.25% | −133−1.6% | Reduced |
| Empowered Funds, LLC | 7,936 | $7.31M | 0.07% | +2,332+41.6% | Added |
| Utah Retirement Systems | 7,639 | $7.03M | 0.07% | −50−0.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,443 | $6.85M | 0.06% | +419+6.0% | Added |
| Atlantic Union Bankshares Corp | 7,339 | $6.76M | 0.13% | +7,322+43,070.6% | Added |
| Commonwealth Equity Services, LLC | 7,249 | $6.67M | 0.01% | +253+3.6% | Added |
| Midwest Trust Co | 7,131 | $6.57M | 0.09% | −121−1.7% | Reduced |
| Oppenheimer & Co Inc | 7,005 | $6.45M | 0.08% | −233−3.2% | Reduced |
| New York Life Investment Management LLC | 6,976 | $6.42M | 0.06% | −168−2.4% | Reduced |
| Verition Fund Management LLC | 6,939 | $6.39M | 0.04% | −3,356−32.6% | Reduced |
| Mackenzie Financial Corp | 6,904 | $6.36M | 0.01% | −100−1.4% | Reduced |
| First Foundation Advisors | 6,899 | $6.35M | 0.23% | −715−9.4% | Reduced |
| British Columbia Investment Management Corp | 6,881 | $6.33M | 0.04% | −653−8.7% | Reduced |
| Saturna Capital CORP | 6,781 | $6.24M | 0.08% | +1,007+17.4% | Added |
| CIBC Asset Management Inc | 6,618 | $6.09M | 0.02% | +13+0.2% | Added |
| American Capital Management Inc | 6,610 | $6.09M | 0.24% | −405−5.8% | Reduced |
| CIBC Bancorp USA Inc. | 6,607 | $6.08M | 0.04% | +6,607 | New |
| 4D Advisors, LLC | 6,500 | $5.98M | 3.19% | −4,500−40.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,466 | $5.95M | 0.02% | +92+1.4% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 6,426 | $5.92M | 0.08% | −5,079−44.1% | Reduced |
| PFG Advisors | 6,423 | $5.91M | 0.24% | +449+7.5% | Added |
| Synovus Financial Corp | 6,347 | $5.84M | 0.07% | +204+3.3% | Added |
| First American Trust, FSB | 6,334 | $5.83M | 0.42% | −30.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 6,293 | $5.79M | 0.01% | −541−7.9% | Reduced |
| QRG Capital Management, Inc. | 6,193 | $5.70M | 0.07% | −766−11.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,082 | $5.60M | 0.05% | +75+1.2% | Added |
| Mutual of America Capital Management LLC | 6,074 | $5.59M | 0.06% | +46+0.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 6,037 | $5.53M | 0.01% | +540+9.8% | Added |
| HB Wealth Management, LLC | 5,983 | $5.51M | 0.04% | −84−1.4% | Reduced |
| Ethic Inc. | 5,862 | $5.40M | 0.09% | −990−14.4% | Reduced |
| MML Investors Services, LLC | 5,858 | $5.39M | 0.01% | −676−10.3% | Reduced |
| Truist Financial Corp | 5,781 | $5.32M | 0.01% | +1,050+22.2% | Added |
| Pier 88 Investment Partners LLC | 5,780 | $5.32M | 1.00% | +4,770+472.3% | Added |
| Knollwood Investment Advisory, LLC | 5,685 | $5.23M | 0.47% | 00.0% | Unchanged |
| Rathbone Brothers plc | 5,675 | $5.22M | 0.02% | −25−0.4% | Reduced |
| Concentric Capital Strategies, LP | 5,559 | $5.12M | 0.24% | +5,559 | New |
| Wealthfront Advisers LLC | 5,554 | $5.11M | 0.01% | −374−6.3% | Reduced |
| Mitchell Capital Management Co | 5,549 | $5.11M | 0.87% | +5,549 | New |
| Oregon Public Employees Retirement Fund | 5,475 | $5.04M | 0.07% | +1,293+30.9% | Added |
| Private Advisor Group, LLC | 5,457 | $5.02M | 0.02% | −512−8.6% | Reduced |
| Wasatch Advisors Inc | 5,413 | $4.98M | 0.03% | −388−6.7% | Reduced |
| Yousif Capital Management, LLC | 5,262 | $4.84M | 0.05% | −265−4.8% | Reduced |
| Kornitzer Capital Management Inc | 5,227 | $4.81M | 0.10% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 5,182 | $4.78M | 0.03% | +351+7.3% | Added |
| State of Alaska, Department of Revenue | 5,162 | $4.75M | 0.05% | −222−4.1% | Reduced |
| Bahl & Gaynor Inc | 5,157 | $4.75M | 0.02% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 5,155 | $4.75M | 0.06% | −20.0% | Reduced |
| Walleye Capital LLC | 5,130 | $4.72M | 0.04% | +4,197+449.8% | Added |
| OP Asset Management Ltd | 5,004 | $4.61M | 0.06% | −65−1.3% | Reduced |
| Parcion Private Wealth LLC | 4,989 | $4.59M | 0.29% | −64−1.3% | Reduced |