MPWR fund manager activity
MONOLITHIC POWER SYSTEMS INC · US. Reported by 10 tracked fund managers in their 13F filings, Q3 2013 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Added | 65,227 | $59,119,144 | 0.16% | Feb 17, 2026 |
| Ken Fisher - Fisher Asset Management | New | 238 | $216,042 | 0.00% | Feb 9, 2026 |
| Jeremy Grantham - GMO | Added | 1,487 | $1,347,757 | 0.00% | Feb 17, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 20,161 | $18,273,124 | 0.07% | Feb 17, 2026 |
| Torray Funds | Added | 4,249 | $3,851,124 | 0.55% | Jan 28, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Ron Baron - Baron Capital | Trimmed | 48,196 | $44,371,165 | 0.12% | Nov 14, 2025 |
| Jeremy Grantham - GMO | New | 1,408 | $1,296,261 | 0.00% | Nov 13, 2025 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 19,610 | $18,053,750 | 0.08% | Nov 14, 2025 |
| Torray Funds | Added | 3,957 | $3,642,972 | 0.49% | Oct 22, 2025 |
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