Who Owns MATTEL INC (MAT)? -- Institutional Holders (2026-06-30)

10 institutions reported holding $285,331 of MATTEL INC (MAT) in SEC 13F filings for 2026-06-30. Largest institutional holders: Westmount Partners, LLC ($189,282), GAMMA Investing LLC ($41,834), CX Institutional ($20,000), Versant Capital Management, Inc ($19,668), CoreCap Advisors, LLC ($9,438). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Westmount Partners, LLC$189,28213,637Hold
2GAMMA Investing LLC$41,8343,014Trimmed
3CX Institutional$20,0001,416Trimmed
4Versant Capital Management, Inc$19,6681,417Trimmed
5CoreCap Advisors, LLC$9,438680Hold
6HARBOR INVESTMENT ADVISORY, LLC$2,110152Hold
7ELEVATION WEALTH PARTNERS, LLC$1,486107Trimmed
8EASTERN BANK$1,388100Hold
9MassMutual Private Wealth & Trust, FSB$1259Trimmed
10MJT & Associates Financial Advisory Group, Inc.$00Exited

Source: SEC Form 13F filings · as of 2026-06-30