MATTEL INC (MAT) Institutional Ownership and Insiders Activity

MATTEL INC (MAT) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $383.29M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Ariel Appreciation Fund is the largest disclosed holder, reporting approximately $197.13M in MAT holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Ariel Appreciation Fund representing the majority of disclosed value.