Mattel Inc

CUSIP 577081102COMMATQ1 2026

13D / 13G Filings

Schedule 13D/13G on record

Beneficial Filers

Distinct reporting persons

Largest Stake

15.2%

Max % of class reported

Institutional Holders

417

13F filers (latest quarter)

50 filings · latest Feb 17, 2026

#	Filed	Reporting Person	Form	% of Class	Shares	Filing
1	Feb 17, 2026	Edgepoint Investment Group Inc.	13G/A	15.2%	47.34M	SEC
2	Nov 14, 2025	Edgepoint Investment Group Inc.	13G/A	13.9%	44.66M	SEC
3	Aug 14, 2025	Edgepoint Investment Group Inc.	13G/A	12.6%	40.82M	SEC
4	Aug 14, 2025	Primecap Management Co/Ca/	13G/A	10.3%	33.24M	SEC
5	May 15, 2025	Edgepoint Investment Group Inc.	13G/A	10.9%	36.16M	SEC
6	Feb 14, 2025	Capital International Investors	13G/A	0.9%	3.19M	SEC
7	Feb 14, 2025	Edgepoint Investment Group Inc.	13G/A	13.7%	46.17M	SEC
8	Nov 14, 2024	Edgepoint Investment Group Inc.	13G/A	11.8%	40.19M	SEC
9	Jun 10, 2024	Vanguard Group Inc	13G/A	10.1%	34.72M	SEC
10	Feb 14, 2024	Edgepoint Investment Group Inc.	13G/A	13.0%	45.85M	SEC

See the full Schedule 13D/13G history for Mattel Inc.

Largest reported positions · latest quarter

#	Fund	Shares	Value
1	Edgepoint Investment Group Inc.	49.14M	$714.02M
2	Primecap Management Co/Ca/	29.70M	$431.51M
3	Blackrock, Inc.	27.32M	$396.99M
4	Ariel Investments, LLC	13.57M	$197.13M
5	Southeastern Asset Management Inc/Tn/	12.81M	$186.16M
6	Dimensional Fund Advisors LP	11.05M	$160.59M
7	State Street Corp	9.72M	$141.21M
8	Geode Capital Management, LLC	6.17M	$89.73M
9	Alyeska Investment Group, L.P.	4.61M	$66.96M
10	Aqr Capital Management LLC	4.62M	$66.60M