Mattel Inc (MAT) SEC 13F Holdings (Q2 2026) — Net Institutional Activity: $260.2M

MAT ranks #1508 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

MAT is a top-conviction position for Southeastern Asset Management Inc/tn/ — at 8.9% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in MAT belongs to EdgePoint Investment Group Inc., but the position matters far more to Southeastern Asset Management Inc/tn/, who has 8.9% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Arrowstreet Capital, Limited Partnership has added to its MAT position for two straight quarters, increasing it by $38.4M to reach $40.5M today.

EdgePoint Investment Group Inc. has trimmed its MAT position for two straight quarters, cutting it by $230.7M while still holding $708.5M.

MAT is up 1.5% today, and institutions have been net buyers of $260.2M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

MAT posted net income of $427.4M over the trailing twelve months, and currently trades at a P/E of 11.4.

• Profitable — net income of $427.4M over the trailing twelve months
• Revenue grew 2.9% year over year
• Net income declined year over year, from $526.3M to $427.4M
• Generated $593.3M in positive operating cash flow
• Current ratio of 2.15x — enough short-term assets to cover short-term liabilities
• Liabilities run 2.97x equity — a highly leveraged balance sheet worth noting