MAT — MATTEL INC

Ownership history in Headlands Technologies LLC  ·  5 quarters on record

This page tracks every 13F SEC filing in which Headlands Technologies LLC reported a position in MATTEL INC (MAT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.06% (2025 Q1)
Avg. % of fund
0.02%
First filed
2023 Q3
Last filed
2025 Q3
Quarters held
5
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 23,750 -2,196 -8.5% 0.03% $400K $16.83
2025 Q1 ADDED 25,946 +16,694 +180.4% 0.06% $504K $19.43
2024 Q4 ADDED 9,252 +8,702 +1582.2% 0.02% $164K $17.73
2024 Q1 REDUCED 550 -196 -26.3% 0.00% $11K $19.81
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MAT price (monthly, adj. close)

Other funds also holding MAT

As of 2025 Q4 — sorted by position size

SERENITY CAPITAL MANAGEMENT PTE. LTD. 3Y 12.56% Simcoe Capital Management, LLC 3Y 7Y 9.37% EdgePoint Investment Group Inc. 3Y 7Y 7.71% SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 3Y 7Y 7.57% HS Management Partners, LLC 3Y 7Y 2.89% ARIEL INVESTMENTS, LLC 3Y 7Y 2.69% OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 3Y 7Y 2.25% Patient Capital Management, LLC 3Y 2.14% Galvin, Gaustad & Stein, LLC 3Y 1.95% FRONTIER CAPITAL MANAGEMENT CO LLC 3Y 7Y 0.89%
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