MATTEL INC (MAT) Institutional Ownership Changes & 13F Activity

MATTEL INC (MAT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Longleaf Partners, Ariel Appreciation Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and Miller Value Partners.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2023Longleaf PartnersSell-767,91411,266,668$207,419,358
Q1 2023Ariel Appreciation FundBuy375,24516,278,857$299,693,758
Q1 2023Renaissance Technologies LLCBuy110,7001,798,600$33,112
Q1 2023Miller Value PartnersSell-86,8373,271,319$60,224,982
Q4 2022Longleaf PartnersSell-1,876,15712,034,582$214,696,942
Q4 2022Renaissance Technologies LLCBuy1,453,2001,687,900$30,112
Q4 2022Miller Value PartnersSell-300,5863,358,156$59,909,503
Q4 2022Ariel Appreciation FundBuy141,32915,903,612$283,720,438
Q3 2022Longleaf PartnersSell-2,225,45313,910,739$263,469
Q3 2022Ariel Appreciation FundSell-235,98915,762,283$298,538
Q3 2022Renaissance Technologies LLCSell-157,200234,700$4,445
Q3 2022Miller Value PartnersSell-35,1453,658,742$69,296
Q2 2022Ariel Appreciation FundSell-1,720,74015,998,272$357,242
Q2 2022Renaissance Technologies LLCSell-708,700391,900$8,751
Q2 2022Miller Value PartnersSell-345,6213,693,887$82,484
Q2 2022Longleaf PartnersSell-26,92816,136,192$360,321
Q1 2022Longleaf PartnersSell-4,065,22016,163,120$358,983
Q1 2022Ariel Appreciation FundSell-557,67217,719,012$393,539
Q1 2022Renaissance Technologies LLCSell-52,8001,100,600$24,444
Q1 2022Miller Value PartnersBuy22,3034,039,508$89,718
Q4 2021Miller Value PartnersBuy4,017,2054,017,205$86,611
Q4 2021Longleaf PartnersBuy1,878,54720,228,340$436,123
Q4 2021Ariel Appreciation FundBuy1,643,08318,276,684$394,045
Q4 2021Renaissance Technologies LLCBuy629,6001,153,400$24,867
Q3 2021Ariel Appreciation FundBuy1,013,42116,633,601$308,720
Q3 2021Longleaf PartnersSell-641,05118,349,793$340,572
Q2 2021Longleaf PartnersBuy2,843,54418,990,844$381,715
Q2 2021Renaissance Technologies LLCSell-582,100523,800$10,528
Q2 2021Ariel Appreciation FundBuy310,33315,620,180$313,966
Q1 2021Longleaf PartnersSell-1,269,93916,147,300$321,655

Frequently asked questions about MAT activity

  • Which institutional owners are buying MAT?

    Institutional owners buying MAT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MAT activity?

    "Buy" means an investor increased their reported position in MAT compared to the prior reporting period. This reflects growing exposure to MATTEL INC (MAT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MAT increasing?

    Institutional interest in MAT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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