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, Q4 2021
Institutional positions in Monolithic Power Systems, Inc. as of Dec 31, 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
- 627
- +57 vs. Q3 2021
- Shares held
- 43.6M
- +183.8K (+0.4%) vs. Q3 2021
- Total value
- $21.5B
- +$451.8M (+2.1%) vs. Q3 2021
- New holders
- 106
- 241 more added
- Sold out
- 49
- 213 more reduced
9 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of Montreal | 31,575 | $16.2M | 0.01% | −5,052−13.8% | Reduced |
| Cubist Systematic Strategies, LLC | 33,038 | $16.3M | 0.16% | +29,906+954.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 33,739 | $16.6M | 0.03% | +2,982+9.7% | Added |
| Citadel Advisors LLC | 34,876 | $17.2M | 0.02% | +33,840+3,266.4% | Added |
| Man Group plc | 34,908 | $17.2M | 0.06% | +10,262+41.6% | Added |
| LPL Financial LLC | 35,070 | $17.3M | 0.01% | +3,598+11.4% | Added |
| Pictet Asset Management SA | 36,461 | $18.0M | 0.02% | +234+0.6% | Added |
| USS Investment Management Ltd | 37,097 | $18.3M | 0.15% | +23,800+179.0% | Added |
| Hantz Financial Services, Inc. | 37,214 | $18.4M | 0.53% | +2,483+7.1% | Added |
| Congress Wealth Management LLC | 37,669 | $18.6M | 0.37% | +37,669 | New |
| New York State Teachers Retirement System | 39,395 | $19.4M | 0.04% | +256+0.7% | Added |
| Osterweis Capital Management Inc | 40,870 | $20.2M | 1.01% | −10,011−19.7% | Reduced |
| Public Employees Retirement Association of Colorado | 41,736 | $20.6M | 0.08% | −1,844−4.2% | Reduced |
| Woodline Partners LP | 41,813 | $20.6M | 0.30% | +41,813 | New |
| Ameriprise Financial Inc | 43,864 | $20.9M | 0.01% | +18,896+75.7% | Added |
| Gilder Gagnon Howe & Co LLC | 42,766 | $21.1M | 0.12% | −49−0.1% | Reduced |
| Whittier Trust Co | 44,323 | $21.9M | 0.36% | −5,084−10.3% | Reduced |
| Pembroke Management, LTD | 45,453 | $22.4M | 1.64% | +1,754+4.0% | Added |
| State of Wisconsin Investment Board | 45,648 | $22.5M | 0.04% | +2,282+5.3% | Added |
| Epoch Investment Partners, Inc. | 46,700 | $23.0M | 0.12% | −54,914−54.0% | Reduced |
| RMB Capital Management, LLC | 48,485 | $23.9M | 0.72% | +901+1.9% | Added |
| Parnassus Investments | 50,262 | $24.8M | 0.05% | 00.0% | Unchanged |
| Azimuth Capital Management LLC | 51,553 | $25.4M | 1.03% | −833−1.6% | Reduced |
| State Board of Administration of Florida Retirement System | 53,094 | $26.2M | 0.05% | −69−0.1% | Reduced |
| Federated Hermes, Inc. | 55,132 | $27.2M | 0.05% | −457−0.8% | Reduced |
| Credit Suisse AG | 55,288 | $27.3M | 0.02% | +8,034+17.0% | Added |
| Jennison Associates LLC | 56,107 | $27.7M | 0.02% | −13,595−19.5% | Reduced |
| Natixis | 58,523 | $28.9M | 0.10% | +53,559+1,078.9% | Added |
| Toronto Dominion Bank | 59,015 | $29.1M | 0.04% | +32,657+123.9% | Added |
| Qube Research & Technologies Ltd | 59,458 | $29.3M | 0.23% | +59,458 | New |
| BNP Paribas Arbitrage, SA | 60,346 | $29.8M | 0.07% | −73,528−54.9% | Reduced |
| Millennium Management LLC | 60,463 | $29.8M | 0.03% | +14,712+32.2% | Added |
| Raymond James & Associates | 61,677 | $30.4M | 0.02% | +2,971+5.1% | Added |
| Cavalry Management Group, LLC | 62,498 | $30.8M | 3.58% | −10,531−14.4% | Reduced |
| Los Angeles Capital Management LLC | 62,894 | $31.0M | 0.12% | −1,523−2.4% | Reduced |
| Capitolis Advisors LLC | 63,123 | $31.1M | 0.19% | +5,292+9.2% | Added |
| Nicholas Investment Partners, LP | 67,008 | $33.1M | 2.09% | +11,741+21.2% | Added |
| Manufacturers Life Insurance Company, The | 67,117 | $33.1M | 0.02% | +14,164+26.7% | Added |
| UBS Group AG | 67,950 | $33.5M | 0.01% | −42,632−38.6% | Reduced |
| Jag Capital Management, LLC | 69,221 | $34.1M | 2.62% | −3,112−4.3% | Reduced |
| National Pension Service | 69,865 | $34.5M | 0.06% | −7,428−9.6% | Reduced |
| Prudential Financial Inc | 66,285 | $34.9M | 0.04% | −2,585−3.8% | Reduced |
| Glenmede Trust Co NA | 75,614 | $37.3M | 0.18% | −87−0.1% | Reduced |
| Natixis Investment Managers International | 77,110 | $38.0M | 2.11% | −22,145−22.3% | Reduced |
| California State Teachers Retirement System | 77,393 | $38.2M | 0.04% | +747+1.0% | Added |
| HSBC Holdings PLC | 79,219 | $39.1M | 0.04% | +15,598+24.5% | Added |
| Wells Fargo & Company | 79,432 | $39.2M | 0.01% | −621,088−88.7% | Reduced |
| Loomis Sayles & Co L P | 81,826 | $40.4M | 0.05% | −719−0.9% | Reduced |
| Natixis Advisors, L.P. | 84,151 | $41.5M | 0.16% | −6,044−6.7% | Reduced |
| Eventide Asset Management, LLC | 85,157 | $42.0M | 0.54% | +7,698+9.9% | Added |
| Grandeur Peak Global Advisors, LLC | 86,895 | $42.9M | 1.95% | −2,525−2.8% | Reduced |
| KBC Group NV | 89,667 | $44.2M | 0.15% | +26,138+41.1% | Added |
| Morgan Stanley | 90,668 | $44.7M | 0.01% | −33,614−27.0% | Reduced |
| Rhumbline Advisers | 91,439 | $45.1M | 0.06% | +2,209+2.5% | Added |
| Teacher Retirement System of Texas | 95,497 | $47.1M | 0.21% | +20,158+26.8% | Added |
| Adage Capital Partners GP, L.L.C. | 95,800 | $47.3M | 0.09% | +24,800+34.9% | Added |
| California Public Employees Retirement System | 96,554 | $47.6M | 0.03% | −3,912−3.9% | Reduced |
| Deutsche Bank AG | 100,511 | $49.6M | 0.02% | −5,300−5.0% | Reduced |
| Royal Bank of Canada | 103,900 | $51.3M | 0.01% | +3,180+3.2% | Added |
| Segall Bryant & Hamill, LLC | 106,785 | $52.7M | 0.49% | +1,503+1.4% | Added |
| Panagora Asset Management Inc | 108,263 | $53.4M | 0.28% | +35,581+49.0% | Added |
| First Trust Advisors LP | 110,630 | $54.6M | 0.05% | +64,614+140.4% | Added |
| Marshall Wace, LLP | 115,283 | $56.9M | 0.11% | +113,205+5,447.8% | Added |
| Envestnet Asset Management Inc | 117,424 | $57.9M | 0.03% | +17,367+17.4% | Added |
| CIBC Private Wealth Group, LLC | 123,175 | $60.8M | 0.13% | −1,222−1.0% | Reduced |
| AXA S.A. | 125,498 | $61.9M | 0.16% | +2,819+2.3% | Added |
| Polar Capital Holdings Plc | 125,555 | $61.9M | 0.32% | −19,558−13.5% | Reduced |
| Allianz Asset Management GmbH | 127,766 | $63.0M | 0.05% | −13,583−9.6% | Reduced |
| Thrivent Financial for Lutherans | 130,459 | $64.4M | 0.12% | −29,277−18.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 131,078 | $64.7M | 0.04% | −6,046−4.4% | Reduced |
| AQR Capital Management LLC | 133,614 | $65.9M | 0.12% | +29,077+27.8% | Added |
| Ardevora Asset Management LLP | 140,863 | $69.5M | 0.74% | −31,900−18.5% | Reduced |
| Principal Financial Group Inc | 141,183 | $69.5M | 0.04% | −4,526−3.1% | Reduced |
| Parametric Portfolio Associates LLC | 142,282 | $70.2M | 0.04% | +7,949+5.9% | Added |
| Eagle Asset Management Inc | 148,245 | $72.9M | 0.32% | +908+0.6% | Added |
| Citigroup Inc | 148,578 | $73.3M | 0.07% | −4,653−3.0% | Reduced |
| Dimensional Fund Advisors LP | 149,222 | $73.6M | 0.02% | −578−0.4% | Reduced |
| Robeco Schweiz AG | 152,700 | $75.3M | 0.98% | −8,206−5.1% | Reduced |
| New York State Common Retirement Fund | 153,957 | $76.0M | 0.08% | −24,115−13.5% | Reduced |
| SEI Investments Co | 155,316 | $76.6M | 0.14% | +8,920+6.1% | Added |
| Victory Capital Management Inc | 159,052 | $78.5M | 0.07% | −38,828−19.6% | Reduced |
| STRS Ohio | 160,284 | $79.1M | 0.27% | +13,806+9.4% | Added |
| Rafferty Asset Management, LLC | 162,159 | $80.0M | 0.42% | +52,691+48.1% | Added |
| Swiss National Bank | 165,789 | $81.8M | 0.05% | −6,000−3.5% | Reduced |
| TimesSquare Capital Management, LLC | 166,875 | $82.3M | 0.73% | −34,525−17.1% | Reduced |
| Voya Investment Management LLC | 168,322 | $83.0M | 0.16% | −155,476−48.0% | Reduced |
| Barclays PLC | 171,563 | $84.6M | 0.05% | +96,819+129.5% | Added |
| Renaissance Technologies LLC | 181,186 | $89.4M | 0.11% | +100,879+125.6% | Added |
| Wellington Management Group LLP | 192,907 | $95.2M | 0.02% | −5,152−2.6% | Reduced |
| TD Asset Management Inc | 208,916 | $103.1M | 0.09% | +21,253+11.3% | Added |
| UBS Asset Management Americas Inc | 223,045 | $110.0M | 0.04% | −35,375−13.7% | Reduced |
| Charles Schwab Investment Management Inc | 223,667 | $110.3M | 0.03% | +5,473+2.5% | Added |
| Baird Financial Group, Inc. | 228,913 | $112.9M | 0.26% | −8,218−3.5% | Reduced |
| Goldman Sachs Group Inc | 233,985 | $115.4M | 0.03% | −11,299−4.6% | Reduced |
| DekaBank Deutsche Girozentrale | 256,066 | $127.3M | 0.31% | +15,228+6.3% | Added |
| Legal & General Group Plc | 280,036 | $138.2M | 0.04% | −9,222−3.2% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 280,620 | $138.4M | 1.42% | −57,823−17.1% | Reduced |
| Ensign Peak Advisors, Inc | 284,925 | $140.6M | 0.27% | +22,033+8.4% | Added |
| Bank of New York Mellon Corp | 333,550 | $164.5M | 0.03% | −3,282−1.0% | Reduced |
| Lord, Abbett & Co. LLC | 334,645 | $165.1M | 0.38% | +807+0.2% | Added |