MAT fund manager activity
Mattel, Inc · Nasdaq. Reported by 14 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Added | 15,415,955 | $213,973,455 | 2.13% | Aug 14, 2026 |
| Jeremy Grantham - GMO | Added | 273,280 | $3,793,126 | 0.01% | Aug 13, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 2,401,597 | $33,334,166 | 0.08% | Aug 14, 2026 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 12,322,555 | $171,037,063 | 8.92% | Aug 14, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Added | 13,567,083 | $197,129,716 | 2.21% | May 14, 2026 |
| Jeremy Grantham - GMO | Added | 233,425 | $3,391,665 | 0.01% | May 14, 2026 |
| Joel Greenblatt - Gotham Asset Management | Added | 802,437 | $11,659,410 | 0.04% | May 15, 2026 |
| Samantha McLemore - Patient Capital Management | Sold out | — | — | 0.00% | May 14, 2026 |
| Mason Hawkins - Southeastern Asset Management | Added | 12,812,157 | $186,160,640 | 9.16% | May 15, 2026 |
Older quarters