Mattel, Inc. (MAT) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for MAT. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 396 institutions reported holding MAT, with 304.8 million shares worth $4.2 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Edgepoint Investment Group | 51,047,454 | $709M | INCREASED |
| Primecap Management Co | 29,505,735 | $410M | DECREASED |
| Vanguard | 28,761,555 | $399M | DECREASED |
| BlackRock | 26,172,377 | $363M | DECREASED |
| Ariel Investments | 15,415,955 | $214M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Lee Matheson (Director) | AWARD | 6,883 | 2026-10-21 | |
| Peter H. Griffith (Chief Financial Officer) | AWARD | 147,145 | 2026-10-20 | |
| Peter H. Griffith (Chief Financial Officer) | AWARD | 58,858 | 2026-10-20 | |
| Roger Lynch (Chairman & CEO) | AWARD | 307,692 | 2026-10-12 | |
| Roger Lynch (Chairman & CEO) | TAX-W | 234,831 | $4M | 2026-10-12 |
Full institutional holdings, insider history, and congressional trades for Mattel, Inc. on SentiSense.