MAT — Mattel Inc Common Stock

Ownership history in SUMMIT SECURITIES GROUP LLC  ·  16 quarters on record

This page tracks every 13F SEC filing in which SUMMIT SECURITIES GROUP LLC reported a position in Mattel Inc Common Stock (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
0.35% (2016 Q1)
Avg. % of fund
0.05%
First filed
2012 Q4
Last filed
2025 Q3
Quarters held
16
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 20,000 +12,200 +156.4% 0.07% $337K $16.83
2025 Q2 ADDED 7,800 +6,900 +766.7% 0.03% $154K $19.72
2024 Q3 REDUCED 900 -1,100 -55.0% 0.00% $17K $19.05
2024 Q3 ADDED 2,000 +767 +62.2% 0.01% $38K $19.05
12 older quarters 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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