MAT fund manager activity
Mattel, Inc · Nasdaq. Reported by 14 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 12,532,133 | $248,637,519 | 2.69% | Feb 13, 2026 |
| Jeremy Grantham - GMO | Added | 140,339 | $2,784,326 | 0.01% | Feb 17, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 63,690 | $1,263,610 | 0.00% | Feb 17, 2026 |
| Samantha McLemore - Patient Capital Management | Added | 2,794,343 | $55,439,760 | 2.14% | Feb 13, 2026 |
| Mason Hawkins - Southeastern Asset Management | Added | 8,570,328 | $170,035,308 | 7.57% | Feb 13, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 13,760,470 | $231,588,710 | 2.48% | Nov 14, 2025 |
| Jeremy Grantham - GMO | Added | 60,079 | $1,011,130 | 0.00% | Nov 13, 2025 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 64,952 | $1,093,142 | 0.00% | Nov 14, 2025 |
| Samantha McLemore - Patient Capital Management | Added | 2,099,262 | $35,330,577 | 1.41% | Oct 30, 2025 |
| Mason Hawkins - Southeastern Asset Management | Added | 8,161,296 | $137,354,612 | 7.01% | Nov 14, 2025 |
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