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 2021
Institutional positions in Monolithic Power Systems, Inc. as of Sep 30, 2021. 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
- 579
- +51 vs. Q2 2021
- Shares held
- 43.5M
- +487.7K (+1.1%) vs. Q2 2021
- Total value
- $21.1B
- +$5.02B (+31.3%) vs. Q2 2021
- New holders
- 92
- 183 more added
- Sold out
- 41
- 222 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Maryland State Retirement & Pension System | 3,328 | $1.64M | 0.05% | 00.0% | Unchanged |
| Calamos Advisors LLC | 3,593 | $1.74M | 0.01% | +49+1.4% | Added |
| Teachers Retirement System of the State of Kentucky | 3,599 | $1.74M | 0.02% | −300−7.7% | Reduced |
| Virtue Capital Management, LLC | 3,600 | $1.75M | 0.31% | −431−10.7% | Reduced |
| Advisor OS, LLC | 3,607 | $1.75M | 0.38% | −162−4.3% | Reduced |
| TD Private Client Wealth LLC | 3,628 | $1.76M | 0.08% | +32+0.9% | Added |
| ING Groep NV | 3,666 | $1.78M | 0.02% | +134+3.8% | Added |
| Norinchukin Bank, The | 3,688 | $1.79M | 0.02% | +131+3.7% | Added |
| Quantbot Technologies LP | 3,690 | $1.79M | 0.13% | +3,690 | New |
| MUFG Securities EMEA plc | 3,700 | $1.79M | 0.02% | +3,700 | New |
| Cetera Advisor Networks LLC | 3,707 | $1.80M | 0.02% | −234−5.9% | Reduced |
| Atom Investors LP | 3,738 | $1.81M | 0.35% | −3,116−45.5% | Reduced |
| Securian Asset Management, Inc | 3,750 | $1.82M | 0.04% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 3,819 | $1.85M | 0.00% | −159−4.0% | Reduced |
| MAI Capital Management | 3,839 | $1.86M | 0.04% | +10.0% | Added |
| Saturna Capital CORP | 3,911 | $1.90M | 0.04% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 3,935 | $1.91M | 0.01% | +149+3.9% | Added |
| Hartford Investment Management Co | 4,029 | $1.95M | 0.05% | −473−10.5% | Reduced |
| Winton Group Ltd | 4,063 | $1.97M | 0.11% | +1,042+34.5% | Added |
| Van Eck Associates Corp | 4,151 | $2.01M | 0.01% | +357+9.4% | Added |
| Jupiter Asset Management Ltd | 4,169 | $2.02M | 0.02% | 00.0% | Unchanged |
| Lisanti Capital Growth, LLC | 4,235 | $2.05M | 0.30% | 00.0% | Unchanged |
| Westover Capital Advisors, LLC | 4,282 | $2.08M | 0.65% | −22−0.5% | Reduced |
| AdvisorShares Investments LLC | 4,330 | $2.10M | 0.33% | +4,330 | New |
| Penserra Capital Management LLC | 4,388 | $2.13M | 0.04% | +1,538+54.0% | Added |
| B. Metzler seel. Sohn & Co. Holding AG | 4,477 | $2.17M | 0.03% | −471−9.5% | Reduced |
| Jane Street Group, LLC | 4,607 | $2.23M | 0.01% | +4,607 | New |
| Torray LLC | 4,644 | $2.25M | 0.34% | +18+0.4% | Added |
| Nissay Asset Management Corp | 4,752 | $2.30M | 0.02% | +187+4.1% | Added |
| GAM Holding AG | 6,764 | $2.32M | 0.11% | +10.0% | Added |
| Tributary Capital Management, LLC | 4,800 | $2.33M | 0.18% | 00.0% | Unchanged |
| Keybank National Association | 4,864 | $2.36M | 0.01% | −58−1.2% | Reduced |
| SG Americas Securities, LLC | 4,866 | $2.36M | 0.01% | +1,400+40.4% | Added |
| PFG Advisors | 4,901 | $2.38M | 0.27% | +5+0.1% | Added |
| Peregrine Asset Advisers, Inc. | 4,925 | $2.39M | 1.22% | +4,925 | New |
| Natixis | 4,964 | $2.41M | 0.01% | +2,885+138.8% | Added |
| Crown Advisors Management, Inc. | 5,000 | $2.42M | 1.70% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 5,000 | $2.42M | 0.03% | +5,000 | New |
| La Financiere de L'Echiquier | 5,000 | $2.42M | 0.08% | −2,000−28.6% | Reduced |
| Capital Impact Advisors, LLC | 5,073 | $2.46M | 0.97% | −2,062−28.9% | Reduced |
| Campbell Newman Asset Management Inc | 5,127 | $2.48M | 0.25% | +249+5.1% | Added |
| Pier 88 Investment Partners LLC | 5,211 | $2.52M | 0.76% | −900−14.7% | Reduced |
| Parallax Volatility Advisers, L.P. | 5,256 | $2.55M | 0.03% | +5,256 | New |
| Brinker Capital Investments, LLC | 6,956 | $2.60M | 0.04% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 5,409 | $2.62M | 0.03% | +20+0.4% | Added |
| Mitchell Capital Management Co | 5,452 | $2.64M | 0.59% | −18−0.3% | Reduced |
| IFM Investors Pty Ltd | 5,458 | $2.65M | 0.05% | 00.0% | Unchanged |
| MML Investors Services, LLC | 5,512 | $2.67M | 0.02% | +249+4.7% | Added |
| Fifth Third Bancorp | 5,538 | $2.68M | 0.01% | +214+4.0% | Added |
| Boothbay Fund Management, LLC | 5,539 | $2.69M | 0.11% | −4,412−44.3% | Reduced |
| Intrust Bank NA | 5,543 | $2.69M | 0.36% | −49−0.9% | Reduced |
| FourThought Financial, LLC | 5,606 | $2.72M | 0.36% | −233−4.0% | Reduced |
| Advisors Asset Management, Inc. | 5,610 | $2.72M | 0.04% | −3,228−36.5% | Reduced |
| HRT Financial LP | 6,054 | $2.93M | 0.02% | +6,054 | New |
| Point72 Hong Kong Ltd | 6,351 | $3.08M | 0.24% | +6,351 | New |
| AMP Capital Investors Ltd | 6,390 | $3.10M | 0.02% | −6,927−52.0% | Reduced |
| Triasima Portfolio Management inc. | 6,530 | $3.17M | 0.17% | +120+1.9% | Added |
| State of Alaska, Department of Revenue | 6,618 | $3.21M | 0.03% | −61−0.9% | Reduced |
| Mackay Shields LLC | 6,659 | $3.23M | 0.03% | −191−2.8% | Reduced |
| Texas Permanent School Fund | 6,671 | $3.23M | 0.04% | −474−6.6% | Reduced |
| HighTower Advisors, LLC | 6,767 | $3.27M | 0.01% | +1,963+40.9% | Added |
| Xponance, Inc. | 6,816 | $3.30M | 0.06% | −156−2.2% | Reduced |
| First Republic Investment Management, Inc. | 6,829 | $3.31M | 0.01% | +1,054+18.3% | Added |
| Blair William & Co | 6,983 | $3.38M | 0.01% | −3,273−31.9% | Reduced |
| Andra AP-fonden | 7,100 | $3.44M | 0.07% | +700+10.9% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 7,129 | $3.46M | 0.02% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 7,130 | $3.46M | 0.05% | −222−3.0% | Reduced |
| Azzad Asset Management Inc | 7,138 | $3.46M | 0.51% | +10.0% | Added |
| Bank of Nova Scotia | 7,166 | $3.47M | 0.01% | −2,326−24.5% | Reduced |
| First Hawaiian Bank | 7,180 | $3.48M | 0.14% | −20−0.3% | Reduced |
| Mutual of America Capital Management LLC | 7,182 | $3.48M | 0.03% | +52+0.7% | Added |
| Public Sector Pension Investment Board | 7,280 | $3.53M | 0.02% | +540+8.0% | Added |
| Handelsbanken Fonder AB | 7,444 | $3.61M | 0.02% | 00.0% | Unchanged |
| British Columbia Investment Management Corp | 8,041 | $3.90M | 0.02% | +71+0.9% | Added |
| TownSquare Capital, LLC | 8,051 | $3.90M | 0.11% | +1,232+18.1% | Added |
| Utah Retirement Systems | 8,056 | $3.90M | 0.05% | −500−5.8% | Reduced |
| Midwest Wealth Management Inc. | 8,400 | $4.07M | 2.80% | −682−7.5% | Reduced |
| Cassia Capital Partners, LLC | 8,400 | $4.07M | 2.80% | +8,400 | New |
| Executive Wealth Management, LLC | 8,423 | $4.08M | 0.45% | −285−3.3% | Reduced |
| Forsta Ap-Fonden | 8,700 | $4.22M | 0.05% | +8,700 | New |
| Swiss Life Asset Management Ltd | 8,843 | $4.29M | 0.06% | −3,237−26.8% | Reduced |
| Oregon Public Employees Retirement Fund | 8,861 | $4.29M | 0.05% | −400−4.3% | Reduced |
| Stratos Wealth Partners, LTD. | 8,971 | $4.35M | 0.11% | +1,515+20.3% | Added |
| Granahan Investment Management Inc | 9,343 | $4.53M | 0.09% | −1,843−16.5% | Reduced |
| Gulf International Bank (UK) Ltd | 9,459 | $4.58M | 0.06% | −96−1.0% | Reduced |
| Truist Financial Corp | 9,468 | $4.59M | 0.01% | −1,060−10.1% | Reduced |
| Chartwell Investment Partners, LLC | 9,480 | $4.59M | 0.14% | 00.0% | Unchanged |
| Caisse de Depot Et Placement du Quebec | 9,595 | $4.65M | 0.01% | +1,200+14.3% | Added |
| MetLife Investment Management | 9,750 | $4.73M | 0.04% | −222−2.2% | Reduced |
| Intrinsic Edge Capital Management LLC | 10,000 | $4.85M | 0.34% | −5,521−35.6% | Reduced |
| Bahl & Gaynor Inc | 10,002 | $4.85M | 0.03% | −537−5.1% | Reduced |
| American Capital Management Inc | 10,189 | $4.94M | 0.13% | +120+1.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 10,300 | $4.99M | 0.05% | +600+6.2% | Added |
| Nisa Investment Advisors, LLC | 10,530 | $5.10M | 0.03% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 10,819 | $5.24M | 0.12% | −1,200−10.0% | Reduced |
| State of Michigan Retirement System | 11,100 | $5.38M | 0.03% | 00.0% | Unchanged |
| APG Asset Management N.V. | 13,095 | $5.48M | 0.01% | +7,500+134.0% | Added |
| State of Tennessee, Treasury Department | 11,348 | $5.50M | 0.02% | −394−3.4% | Reduced |
| Cinctive Capital Management LP | 11,404 | $5.53M | 0.30% | −15,102−57.0% | Reduced |
| Commerce Bank | 11,539 | $5.59M | 0.04% | −3,884−25.2% | Reduced |