Monolithic Power SystemsMPWR
13F holders, Q4 2024 (December 31)864holders −19
91new positions
157sold out
7famous investors
$592.05avg. 13F price*
At the end of Q4 2024, 864 institutions reported holding Monolithic Power Systems Inc. (MPWR) in their 13F filings, down 19 from Q3 2024. 91 opened new positions and 157 sold out. The largest holders were Vanguard Group Inc. ($3.4B), BlackRock, Inc. ($3.2B) and FMR LLC ($1.8B). 7 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Ken Griffin (0.1% of Citadel Advisors's portfolio).
- Company
- Monolithic Power Systems Inc.
- Sector
- Technology
- CUSIP
- 609839105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 91 | $541.8M |
| Exits | 157 | $1.1B |
All 13F filers, Q3 2024 → Q4 2024: 4,929,161 shares bought and 4,892,299 shares sold, net +36,862 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 864 holders
| Vanguard Group Inc. | 0.06% | Add +1.3% | 5,824,274 | $3.4B |
| BlackRock, Inc. | 0.07% | Reduce -6.6% | 5,422,227 | $3.2B |
| FMR LLC | 0.11% | Reduce -11.4% | 3,118,147 | $1.8B |
| State Street Corp. | 0.05% | Add +3.6% | 2,160,019 | $1.3B |
| T. Rowe Price Associates Inc. | 0.10% | Add +16.3% | 1,528,301 | $904.3M |
| Franklin Resources Inc. | 0.24% | Reduce -10.7% | 1,439,822 | $851.9M |
| Geode Capital Management, LLC | 0.06% | Add +2.4% | 1,365,459 | $807.2M |
| Invesco Ltd. | 0.13% | Add +7.5% | 1,162,482 | $687.8M |
| Brown Advisory Inc. | 0.74% | Add +0.5% | 986,005 | $583.4M |
| Wellington Management Group LLP | 0.09% | Reduce -22.8% | 853,029 | $504.7M |
| Norges Bank | 0.06% | Add +12.6% | 834,557 | $493.8M |
| Van Eck Associates Corp. | 0.59% | Add +73.3% | 776,026 | $459.2M |
| Bank of America Corp. | 0.03% | Reduce -27.4% | 554,795 | $328.3M |
| Northern Trust Corp. | 0.04% | Add +22.8% | 509,293 | $301.3M |
| JPMorgan Chase & Co. | 0.02% | Reduce -46.0% | 497,488 | $294.4M |
| Massachusetts Financial Services Co. | 0.09% | Reduce -28.0% | 488,300 | $288.9M |
| Morgan Stanley | 0.02% | Add +3.2% | 459,302 | $271.8M |
| Rafferty Asset Management, LLC | 0.88% | Add +7.2% | 419,195 | $248.0M |
| UBS Group AG | 0.05% | Add +93.3% | 410,572 | $242.9M |
| Vaughan Nelson Investment Management, L.P. | 2.13% | Reduce -13.3% | 386,686 | $228.8M |
| Kayne Anderson Rudnick Investment Management LLC | 0.49% | Add +28.9% | 362,761 | $214.6M |
| Artisan Partners Limited Partnership | 0.33% | Add +39.3% | 358,777 | $212.3M |
| Bank of New York Mellon Corp | 0.04% | Add +11.6% | 349,922 | $207.0M |
| Citigroup Inc. | 0.20% | Add +9.3% | 347,180 | $205.4M |
| Alliancebernstein L.P. | 0.07% | Reduce -22.9% | 343,202 | $203.1M |
| Ensign Peak Advisors, Inc | 0.35% | Add +121.7% | 337,078 | $199.4M |
| Barclays PLC | 0.10% | Add +3.3% | 332,859 | $197.0M |
| Legal & General Group Plc | 0.05% | Add +14.2% | 327,178 | $193.6M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +3.7% | 325,823 | $192.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +20.5% | 279,650 | $165.5M |
| Goldman Sachs Group Inc. | 0.03% | Reduce -38.3% | 265,420 | $157.0M |
| Macquarie Group Ltd. | 0.19% | Reduce -3.3% | 263,039 | $154.8M |
| Raymond James Financial Inc. | 0.05% | — | 237,950 | $140.8M |
| Impax Asset Management Group plc | 0.63% | Add +26.9% | 237,910 | $139.9M |
| Royal Bank of Canada | 0.03% | Reduce -12.2% | 232,356 | $137.5M |
| Allspring Global Investments Holdings, LLC | 0.20% | Add +5.1% | 206,652 | $122.8M |
| Earnest Partners LLC | 0.54% | Reduce -5.8% | 203,011 | $120.1M |
| Nuveen Asset Management, LLC | 0.03% | Reduce -2.6% | 199,165 | $117.8M |
| Voya Investment Management LLC | 0.14% | Reduce -13.2% | 198,504 | $117.5M |
| Sei Investments Co. | 0.15% | Add +0.7% | 198,416 | $117.4M |
| American Century Companies Inc. | 0.07% | Reduce -13.3% | 195,663 | $115.8M |
| DekaBank Deutsche Girozentrale | 0.21% | No change | 190,443 | $114.1M |
| Alyeska Investment Group, L.P. | 0.43% | New | 191,900 | $113.5M |
| Ameriprise Financial Inc. | 0.03% | Reduce -4.5% | 185,463 | $109.7M |
| T. Rowe Price Investment Management, Inc. | 0.07% | New | 184,055 | $108.9M |
| Rokos Capital Management LLP | 2.40% | Add +136.3% | 180,844 | $107.1M |
| CIBC Private Wealth Group LLC | 0.19% | Reduce -41.9% | 171,145 | $106.3M |
| HSBC Holdings PLC | 0.06% | Add +30.5% | 174,768 | $103.8M |
| Principal Financial Group Inc. | 0.06% | Add +115.2% | 174,411 | $103.2M |
| Envestnet Asset Management Inc. | 0.03% | Add +1.9% | 173,872 | $102.9M |
| Allianz Asset Management GmbH | 0.14% | Add +58.4% | 163,065 | $96.5M |
| Baird Financial Group, Inc. | 0.18% | Add +12.2% | 162,905 | $96.4M |
| Bank of Nova Scotia | 0.17% | Add +1320.0% | 161,800 | $95.7M |
| Dimensional Fund Advisors LP | 0.02% | Add +7.2% | 159,587 | $94.4M |
| Deutsche Bank AG | 0.04% | Add +25.7% | 159,038 | $94.1M |
| DF Dent & Co. Inc. | 1.17% | Add +86.8% | 155,539 | $92.0M |
| Canada Pension Plan Investment Board | 0.09% | Reduce -28.7% | 155,173 | $91.8M |
| BNP Paribas Financial Markets | 0.07% | Add +9.9% | 151,217 | $89.5M |
| Natixis Advisors, LLC | 0.17% | Reduce -10.0% | 149,683 | $88.6M |
| Frontier Capital Management Co. LLC | 0.84% | Add +4.7% | 149,453 | $88.4M |
| Manufacturers Life Insurance Company, The | 0.08% | Reduce -21.6% | 145,953 | $86.4M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.18% | Add +73.1% | 141,925 | $84.0M |
| Neuberger Berman Group LLC | 0.07% | Add +3.5% | 140,371 | $83.1M |
| Caisse de depot et placement du Quebec | 0.17% | Add +172.6% | 139,589 | $82.6M |
| Swiss National Bank | 0.05% | Reduce -4.7% | 137,700 | $81.5M |
| Victory Capital Management Inc. | 0.08% | Add +36.9% | 136,927 | $81.0M |
| TimesSquare Capital Management, LLC | 1.18% | Add +22.5% | 136,642 | $80.9M |
| Citadel Advisors | 0.07% | Add +5469.7% | 131,110 | $77.6M |
| Congress Asset Management Co. | 0.52% | Reduce -9.4% | 130,702 | $77.3M |
| Balyasny Asset Management L.P. | 0.18% | Add +1656.6% | 126,249 | $74.7M |
| Millennium Management | 0.07% | Reduce -21.6% | 124,566 | $73.7M |
| EULAV Asset Management | 1.66% | Add +7.4% | 116,274 | $68.8M |
| STRS Ohio | 0.27% | Add +10.5% | 114,000 | $67.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Add +2.3% | 112,391 | $66.5M |
| Robeco Schweiz AG | 1.39% | Reduce -21.2% | 110,227 | $65.2M |
| LPL Financial LLC | 0.03% | Add +10.4% | 108,743 | $64.3M |
| Rhumbline Advisers | 0.06% | Reduce -1.7% | 107,774 | $63.8M |
| Capital Fund Management S.A. | 0.62% | New | 106,450 | $63.0M |
| Marshall Wace, LLP | 0.08% | New | 104,728 | $62.0M |
| Kodai Capital Management LP | 2.36% | New | 97,348 | $57.6M |
| Amundi | 0.02% | Add +20.4% | 92,188 | $56.2M |
| Adage Capital Partners Gp, L.L.C. | 0.10% | Add +31.8% | 93,600 | $55.4M |
| AQR Capital Management | 0.07% | Add +9.8% | 88,633 | $52.4M |
| Qube Research & Technologies Ltd | 0.08% | Add +2.8% | 85,178 | $50.4M |
| Pictet Asset Management Holding SA | 0.05% | Reduce -5.7% | 82,904 | $49.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.05% | Add +13.8% | 78,548 | $48.7M |
| Resona Asset Management Co.,Ltd. | 0.29% | Add +36.9% | 81,178 | $48.4M |
| California Public Employees Retirement System | 0.03% | Reduce -4.1% | 81,158 | $48.0M |
| First Trust Advisors LP | 0.04% | Reduce -10.9% | 77,094 | $45.6M |
| Stifel Financial Corp. | 0.05% | Add +152.4% | 76,989 | $45.6M |
| Credit Agricole S A | 0.15% | Add +770.0% | 75,642 | $44.8M |
| California State Teachers Retirement System | 0.05% | Reduce -2.7% | 74,897 | $44.3M |
| Mirae Asset Global Investments Co., Ltd. | 0.17% | Reduce -1.9% | 68,557 | $42.0M |
| Wells Fargo & Company | 0.01% | Add +20.2% | 69,376 | $41.0M |
| CANADA LIFE ASSURANCE Co | 0.07% | Add +81.0% | 68,991 | $40.8M |
| Panagora Asset Management Inc. | 0.19% | Add +5932.0% | 68,946 | $40.8M |
| Corient Private Wealth LP | 0.07% | Add +36.3% | 67,694 | $40.1M |
| National Pension Service | 0.04% | Reduce -5.2% | 66,476 | $39.3M |
| Natixis Investment Managers International | 2.92% | Reduce -3.0% | 63,770 | $37.7M |
| Grandeur Peak Global Advisors, LLC | 3.26% | Add +57.3% | 62,116 | $36.8M |
"% of holder's portfolio" is MPWR's weight in each manager's 13F, not the share of Monolithic Power Systems Inc. the manager owns.