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, 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 |
|---|---|---|---|---|---|
| MML Investors Services, LLC | 5,858 | $5.39M | 0.01% | −676−10.3% | Reduced |
| Ethic Inc. | 5,862 | $5.40M | 0.09% | −990−14.4% | Reduced |
| HB Wealth Management, LLC | 5,983 | $5.51M | 0.04% | −84−1.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 6,037 | $5.53M | 0.01% | +540+9.8% | Added |
| Mutual of America Capital Management LLC | 6,074 | $5.59M | 0.06% | +46+0.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,082 | $5.60M | 0.05% | +75+1.2% | Added |
| QRG Capital Management, Inc. | 6,193 | $5.70M | 0.07% | −766−11.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 6,293 | $5.79M | 0.01% | −541−7.9% | Reduced |
| First American Trust, FSB | 6,334 | $5.83M | 0.42% | −30.0% | Reduced |
| Synovus Financial Corp | 6,347 | $5.84M | 0.07% | +204+3.3% | Added |
| PFG Advisors | 6,423 | $5.91M | 0.24% | +449+7.5% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 6,426 | $5.92M | 0.08% | −5,079−44.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 6,466 | $5.95M | 0.02% | +92+1.4% | Added |
| 4D Advisors, LLC | 6,500 | $5.98M | 3.19% | −4,500−40.9% | Reduced |
| CIBC Bancorp USA Inc. | 6,607 | $6.08M | 0.04% | +6,607 | New |
| American Capital Management Inc | 6,610 | $6.09M | 0.24% | −405−5.8% | Reduced |
| CIBC Asset Management Inc | 6,618 | $6.09M | 0.02% | +13+0.2% | Added |
| Saturna Capital CORP | 6,781 | $6.24M | 0.08% | +1,007+17.4% | Added |
| British Columbia Investment Management Corp | 6,881 | $6.33M | 0.04% | −653−8.7% | Reduced |
| First Foundation Advisors | 6,899 | $6.35M | 0.23% | −715−9.4% | Reduced |
| Mackenzie Financial Corp | 6,904 | $6.36M | 0.01% | −100−1.4% | Reduced |
| Verition Fund Management LLC | 6,939 | $6.39M | 0.04% | −3,356−32.6% | Reduced |
| New York Life Investment Management LLC | 6,976 | $6.42M | 0.06% | −168−2.4% | Reduced |
| Oppenheimer & Co Inc | 7,005 | $6.45M | 0.08% | −233−3.2% | Reduced |
| Midwest Trust Co | 7,131 | $6.57M | 0.09% | −121−1.7% | Reduced |
| Commonwealth Equity Services, LLC | 7,249 | $6.67M | 0.01% | +253+3.6% | Added |
| Atlantic Union Bankshares Corp | 7,339 | $6.76M | 0.13% | +7,322+43,070.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 7,443 | $6.85M | 0.06% | +419+6.0% | Added |
| Utah Retirement Systems | 7,639 | $7.03M | 0.07% | −50−0.7% | Reduced |
| Empowered Funds, LLC | 7,936 | $7.31M | 0.07% | +2,332+41.6% | Added |
| NFJ Investment Group, LLC | 7,973 | $7.34M | 0.25% | −133−1.6% | Reduced |
| Renaissance Technologies LLC | 8,086 | $7.44M | 0.01% | +8,086 | New |
| Mercer Global Advisors Inc | 8,341 | $7.66M | 0.01% | +2,649+46.5% | Added |
| CWM Advisors, LLC | 8,361 | $7.70M | 0.75% | +271+3.3% | Added |
| Carderock Capital Management Inc | 8,523 | $7.85M | 1.91% | +2,856+50.4% | Added |
| IFM Investors Pty Ltd | 9,175 | $8.14M | 0.07% | +35+0.4% | Added |
| Harvest Fund Management Co., Ltd | 8,946 | $8.22M | 0.35% | +1,008+12.7% | Added |
| Balyasny Asset Management LLC | 9,159 | $8.43M | 0.02% | +9,159 | New |
| Clearbridge Investments, LLC | 9,211 | $8.48M | 0.01% | +259+2.9% | Added |
| Stanley-Laman Group, Ltd. | 9,235 | $8.50M | 1.22% | +9,235 | New |
| JustInvest LLC | 9,244 | $8.51M | 0.09% | +242+2.7% | Added |
| Level Four Advisory Services, LLC | 9,386 | $8.64M | 0.30% | −1,229−11.6% | Reduced |
| Stratos Wealth Partners, LTD. | 9,395 | $8.65M | 0.10% | +217+2.4% | Added |
| Toroso Investments, LLC | 9,507 | $8.75M | 0.04% | +1,554+19.5% | Added |
| BLB&B Advisors, LLC | 9,581 | $8.82M | 0.38% | +376+4.1% | Added |
| USS Investment Management Ltd | 9,663 | $8.89M | 0.04% | 00.0% | Unchanged |
| Man Group plc | 9,739 | $8.97M | 0.02% | −17,022−63.6% | Reduced |
| Larson Financial Group LLC | 9,854 | $9.07M | 0.32% | +63+0.6% | Added |
| KBC Group NV | 9,866 | $9.08M | 0.02% | −7,447−43.0% | Reduced |
| Blair William & Co | 10,182 | $9.37M | 0.02% | +1,195+13.3% | Added |
| Retirement Systems of Alabama | 10,217 | $9.41M | 0.03% | −59−0.6% | Reduced |
| Daiwa Securities Group Inc. | 10,229 | $9.42M | 0.03% | +693+7.3% | Added |
| UniSuper Management Pty Ltd | 10,374 | $9.55M | 0.06% | −247−2.3% | Reduced |
| Amalgamated Bank | 10,454 | $9.62M | 0.07% | +148+1.4% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 10,488 | $9.66M | 0.03% | +4,501+75.2% | Added |
| NorthCrest Asset Manangement, LLC | 10,267 | $9.71M | 0.23% | +25+0.2% | Added |
| Storebrand Asset Management AS | 10,582 | $9.74M | 0.03% | +187+1.8% | Added |
| Mariner, LLC | 10,861 | $10.0M | 0.01% | −379−3.4% | Reduced |
| Comerica Bank | 10,906 | $10.0M | 0.04% | +1,000+10.1% | Added |
| Xponance, Inc. | 11,222 | $10.3M | 0.08% | −128−1.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 11,501 | $10.6M | 0.05% | −242−2.1% | Reduced |
| State of Tennessee, Treasury Department | 11,540 | $10.6M | 0.04% | −4,763−29.2% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 11,544 | $10.6M | 0.05% | +927+8.7% | Added |
| GWM Advisors LLC | 11,727 | $10.8M | 0.05% | +2,344+25.0% | Added |
| Quest Investment Management LLC | 11,745 | $10.8M | 1.13% | −1,425−10.8% | Reduced |
| US Bancorp | 11,752 | $10.8M | 0.01% | −326−2.7% | Reduced |
| Colony Group, LLC | 11,873 | $10.9M | 0.02% | +10,433+724.5% | Added |
| Silvant Capital Management LLC | 11,892 | $10.9M | 0.38% | −1,124−8.6% | Reduced |
| Nicholas Investment Partners, LP | 11,912 | $11.0M | 0.84% | 00.0% | Unchanged |
| Czech National Bank | 12,164 | $11.2M | 0.08% | +461+3.9% | Added |
| Pathstone Holdings, LLC | 12,428 | $11.4M | 0.04% | +354+2.9% | Added |
| Cetera Investment Advisers | 12,565 | $11.6M | 0.01% | +3,627+40.6% | Added |
| Bokf, NA | 12,630 | $11.6M | 0.17% | +6,480+105.4% | Added |
| Hantz Financial Services, Inc. | 12,645 | $11.6M | 0.18% | −1,653−11.6% | Reduced |
| Cullen/Frost Bankers, Inc. | 12,762 | $11.7M | 0.14% | +9,713+318.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 12,798 | $11.8M | 0.10% | −1,200−8.6% | Reduced |
| Achmea Investment Management B.V. | 12,808 | $11.8M | 0.15% | 00.0% | Unchanged |
| Moore Capital Management, LP | 12,894 | $11.9M | 0.24% | −7,106−35.5% | Reduced |
| The PNC Financial Services Group, Inc. | 13,188 | $12.1M | 0.01% | −142−1.1% | Reduced |
| Teacher Retirement System of Texas | 13,617 | $12.5M | 0.05% | −600−4.2% | Reduced |
| MetLife Investment Management | 14,050 | $12.9M | 0.06% | −232−1.6% | Reduced |
| State of Michigan Retirement System | 14,070 | $13.0M | 0.06% | −100−0.7% | Reduced |
| Arizona State Retirement System | 14,117 | $13.0M | 0.07% | +158+1.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 14,659 | $13.1M | 0.02% | −7,569−34.1% | Reduced |
| Jane Street Group, LLC | 14,388 | $13.2M | 0.02% | +9,316+183.7% | Added |
| Meeder Asset Management Inc | 14,583 | $13.4M | 0.77% | +70.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 14,695 | $13.5M | 0.05% | −3,799−20.5% | Reduced |
| Burney Co | 14,732 | $13.6M | 0.43% | +13,516+1,111.5% | Added |
| Fifth Third Bancorp | 14,935 | $13.7M | 0.04% | +2,314+18.3% | Added |
| Fred Alger Management, LLC | 15,174 | $14.0M | 0.05% | −3,028−16.6% | Reduced |
| Thrivent Financial for Lutherans | 15,280 | $14.1M | 0.03% | +12,317+415.7% | Added |
| Moran Wealth Management, LLC | 15,550 | $14.3M | 0.43% | −198−1.3% | Reduced |
| Nisa Investment Advisors, LLC | 15,806 | $14.6M | 0.06% | +4,364+38.1% | Added |
| Creative Planning | 15,856 | $14.6M | 0.01% | +1,266+8.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 15,959 | $14.7M | 0.01% | +13,810+642.6% | Added |
| Credit Agricole S A | 16,059 | $14.8M | 0.05% | +16,059 | New |
| Nissay Asset Management Corp | 16,075 | $14.8M | 0.08% | −2,854−15.1% | Reduced |
| Sit Investment Associates Inc | 16,171 | $14.9M | 0.30% | −420−2.5% | Reduced |
| State of New Jersey Common Pension Fund D | 16,676 | $15.4M | 0.06% | +660+4.1% | Added |
| KLP Kapitalforvaltning AS | 17,200 | $15.9M | 0.06% | +100+0.6% | Added |