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 |
|---|---|---|---|---|---|
| QRG Capital Management, Inc. | 4,590 | $6.35M | 0.05% | −1,903−29.3% | Reduced |
| Yousif Capital Management, LLC | 4,599 | $6.36M | 0.07% | −299−6.1% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 4,635 | $6.41M | 0.29% | +4,178+914.2% | Added |
| Norinchukin Bank, The | 4,655 | $6.43M | 0.06% | +93+2.0% | Added |
| Harbour Trust & Investment Management Co | 4,750 | $6.57M | 0.63% | +2,412+103.2% | Added |
| GWM Advisors LLC | 4,755 | $6.57M | 0.02% | −442−8.5% | Reduced |
| Midwest Trust Co | 4,759 | $6.58M | 0.07% | −2,659−35.8% | Reduced |
| Parcion Private Wealth LLC | 4,761 | $6.58M | 0.37% | −43−0.9% | Reduced |
| Titan Investment Solutions Ltd | 4,855 | $6.71M | 0.75% | −4,855−50.0% | Reduced |
| Investment Management Corp of Ontario | 4,888 | $6.76M | 0.09% | −270−5.2% | Reduced |
| Lazard Asset Management LLC | 4,964 | $6.86M | 0.01% | +754+17.9% | Added |
| Bahl & Gaynor Inc | 4,970 | $6.87M | 0.03% | −72−1.4% | Reduced |
| Omers Administration Corp | 4,994 | $6.90M | 0.04% | +745+17.5% | Added |
| Kornitzer Capital Management Inc | 5,010 | $6.93M | 0.14% | +833+19.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 5,073 | $7.01M | 0.02% | +1,657+48.5% | Added |
| Quest Investment Management LLC | 5,100 | $7.05M | 0.82% | −961−15.9% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 5,110 | $7.06M | 0.10% | −125−2.4% | Reduced |
| Cerity Partners LLC | 5,125 | $7.08M | 0.01% | +487+10.5% | Added |
| Avanza Fonder AB | 5,190 | $7.17M | 0.16% | +850+19.6% | Added |
| Truist Financial Corp | 5,197 | $7.18M | 0.01% | −182−3.4% | Reduced |
| Janney Montgomery Scott LLC | 5,262 | $7.28M | 0.01% | +6+0.1% | Added |
| Oppenheimer & Co Inc | 5,265 | $7.28M | 0.08% | −1,402−21.0% | Reduced |
| First Foundation Advisors | 5,301 | $7.33M | 0.26% | −1,055−16.6% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 5,345 | $7.39M | 0.05% | 00.0% | Unchanged |
| Davidson Capital Management Inc. | 5,368 | $7.42M | 1.19% | −44−0.8% | Reduced |
| Counterpoint Mutual Funds LLC | 5,491 | $7.59M | 0.75% | +5,491 | New |
| Shelton Capital Management | 5,497 | $7.60M | 0.14% | −149−2.6% | Reduced |
| Teacher Retirement System of Texas | 5,508 | $7.61M | 0.02% | −4,845−46.8% | Reduced |
| Knollwood Investment Advisory, LLC | 5,685 | $7.86M | 0.70% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 5,700 | $7.88M | 0.12% | 00.0% | Unchanged |
| iA Global Asset Management Inc. | 5,733 | $7.92M | 0.09% | −9,413−62.1% | Reduced |
| Brevan Howard Capital Management LP | 5,778 | $7.99M | 0.11% | +5,437+1,594.4% | Added |
| American Capital Management Inc | 5,897 | $8.15M | 0.37% | −423−6.7% | Reduced |
| Freestone Grove Partners LP | 5,914 | $8.18M | 0.05% | −9,101−60.6% | Reduced |
| Acadian Asset Management LLC | 5,946 | $8.21M | 0.01% | +4,401+284.9% | Added |
| XTX Topco Ltd | 5,954 | $8.23M | 0.11% | +5,954 | New |
| Aware Super Pty Ltd as trustee of Aware Super | 5,996 | $8.29M | 0.12% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 6,037 | $8.35M | 0.09% | +446+8.0% | Added |
| Eurizon Capital SGR S.p.A. | 6,115 | $8.44M | 0.02% | −2,846−31.8% | Reduced |
| State of Alaska, Department of Revenue | 6,201 | $8.57M | 0.09% | −121−1.9% | Reduced |
| Moore Capital Management, LP | 6,250 | $8.64M | 0.20% | +6,250 | New |
| Global X Japan Co., Ltd. | 6,273 | $8.67M | 0.32% | +2,123+51.2% | Added |
| ASR Vermogensbeheer N.V. | 6,303 | $8.71M | 0.09% | +1,831+40.9% | Added |
| Boston Family Office LLC | 6,321 | $8.74M | 0.53% | +1,777+39.1% | Added |
| Prevail Innovative Wealth Advisors, LLC | 6,401 | $8.85M | 1.32% | +3,956+161.8% | Added |
| Saturna Capital CORP | 6,408 | $8.86M | 0.11% | −155−2.4% | Reduced |
| Brasada Capital Management, LP | 6,469 | $8.94M | 1.61% | +2,765+74.6% | Added |
| Mutual of America Capital Management LLC | 6,672 | $9.22M | 0.09% | −1,052−13.6% | Reduced |
| CIBC World Markets Inc. | 6,673 | $9.22M | 0.02% | −1,264−15.9% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 6,745 | $9.32M | 0.15% | +6,745 | New |
| O'Shaughnessy Asset Management, LLC | 6,770 | $9.36M | 0.04% | −1,644−19.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 6,789 | $9.38M | 0.06% | +479+7.6% | Added |
| Level Four Advisory Services, LLC | 6,809 | $9.41M | 0.27% | −266−3.8% | Reduced |
| Profund Advisors LLC | 6,824 | $9.43M | 0.26% | +919+15.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 6,873 | $9.50M | 0.01% | −470−6.4% | Reduced |
| British Columbia Investment Management Corp | 6,992 | $9.67M | 0.06% | +390+5.9% | Added |
| Jupiter Topco LLC | 7,056 | $9.75M | 0.00% | +7,056 | New |
| Panagora Asset Management Inc | 7,068 | $9.77M | 0.03% | −35,007−83.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,098 | $9.81M | 0.07% | −13−0.2% | Reduced |
| Ethic Inc. | 7,107 | $9.82M | 0.12% | +482+7.3% | Added |
| Utah Retirement Systems | 7,178 | $9.92M | 0.09% | −347−4.6% | Reduced |
| Atlantic Union Bankshares Corp | 7,339 | $10.1M | 0.17% | 00.0% | Unchanged |
| Left Brain Wealth Management, LLC | 7,491 | $10.4M | 3.12% | +4,518+152.0% | Added |
| Cornerstone Advisors, LLC | 7,864 | $10.9M | 0.36% | −4,043−34.0% | Reduced |
| Hantz Financial Services, Inc. | 7,864 | $10.9M | 0.15% | −1,558−16.5% | Reduced |
| New York Life Investment Management LLC | 8,013 | $11.1M | 0.08% | +764+10.5% | Added |
| Tower Research Capital LLC (TRC) | 8,143 | $11.3M | 0.28% | +4,529+125.3% | Added |
| Dakota Wealth Management | 8,310 | $11.5M | 0.22% | +652+8.5% | Added |
| Burney Co | 8,383 | $11.6M | 0.31% | −380−4.3% | Reduced |
| Pacer Advisors, Inc. | 8,525 | $11.8M | 0.03% | −30,282−78.0% | Reduced |
| UniSuper Management Pty Ltd | 8,594 | $11.9M | 0.06% | −169−1.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 8,663 | $12.0M | 0.06% | +3,408+64.9% | Added |
| AustralianSuper Pty Ltd | 8,742 | $12.1M | 0.05% | −2,754−24.0% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 8,820 | $12.2M | 0.10% | +860+10.8% | Added |
| Wealthfront Advisers LLC | 8,873 | $12.3M | 0.02% | +142+1.6% | Added |
| Bokf, NA | 8,970 | $12.4M | 0.17% | −135−1.5% | Reduced |
| Stanley-Laman Group, Ltd. | 9,172 | $12.7M | 1.29% | −266−2.8% | Reduced |
| Varma Mutual Pension Insurance Co | 9,200 | $12.7M | 0.07% | +9,200 | New |
| CCM Investment Advisers LLC | 9,568 | $13.2M | 1.02% | +1,982+26.1% | Added |
| IMC-Chicago, LLC | 9,733 | $13.5M | 0.12% | +6,602+210.9% | Added |
| Mercer Global Advisors Inc | 9,772 | $13.5M | 0.02% | −271−2.7% | Reduced |
| Benjamin Edwards Inc | 9,819 | $13.6M | 0.12% | +1,097+12.6% | Added |
| GF Fund Management Co. Ltd. | 9,921 | $13.7M | 0.16% | +104+1.1% | Added |
| Larson Financial Group LLC | 9,930 | $13.7M | 0.36% | +733+8.0% | Added |
| NorthCrest Asset Manangement, LLC | 10,135 | $13.9M | 0.36% | −53−0.5% | Reduced |
| Amalgamated Bank | 10,111 | $14.0M | 0.10% | −655−6.1% | Reduced |
| Carderock Capital Management Inc | 10,301 | $14.2M | 3.12% | −1,364−11.7% | Reduced |
| Retirement Systems of Alabama | 10,320 | $14.3M | 0.04% | −23−0.2% | Reduced |
| JustInvest LLC | 10,390 | $14.4M | 0.12% | +237+2.3% | Added |
| Catalyst Funds Management Pty Ltd | 10,470 | $14.5M | 0.81% | +10,259+4,862.1% | Added |
| IFM Investors Pty Ltd | 10,473 | $14.5M | 0.10% | +904+9.4% | Added |
| Stratos Wealth Partners, LTD. | 10,598 | $14.7M | 0.15% | +1,338+14.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,851 | $15.0M | 0.07% | −495−4.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,853 | $15.0M | 0.05% | +1,527+16.4% | Added |
| Commerce Bank | 10,928 | $15.1M | 0.07% | −111−1.0% | Reduced |
| Macquarie Group Ltd | 10,930 | $15.1M | 0.07% | +441+4.2% | Added |
| Pathstone Holdings, LLC | 10,932 | $15.2M | 0.04% | −1,077−9.0% | Reduced |
| Hood River Capital Management LLC | 11,027 | $15.2M | 0.11% | +11,027 | New |
| KBC Group NV | 11,300 | $15.6M | 0.03% | −6,520−36.6% | Reduced |
| Cetera Investment Advisers | 11,439 | $15.8M | 0.01% | −2,513−18.0% | Reduced |