MATTEL INC (MAT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MAT · Consumer Discretionary. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
32
13F filers
Aggregate Value
$1.9B
Across holders
Last Price
$14.82
2026-08-24
Sector
Consumer Discretionary
GICS
Quarterly fund activity14 increased16 reduced2 exited
Full exits: PineBridge Investments, L.P., Ancora Advisors, LLC
Institutional Holders of MAT
32 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
EdgePoint Investment Group Inc.
CIK 0001481669
Hedge Fund51.05M$708.5M37.6%5.4%Added+$26.5MQ2 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager29.51M$409.5M21.7%0.2%Reduced$-2.7MQ2 2026
ARIEL INVESTMENTS, LLC
CIK 0000936753
Institutional Manager15.42M$214.0M11.4%2.1%Added+$213.1MQ2 2026
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
CIK 0000807985
Hedge Fund12.32M$171.0M9.1%8.9%Reduced+$167.9MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund3.55M$48.5M2.6%0.0%Reduced+$48.5MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund3.48M$48.3M2.6%0.1%Added+$15.4MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund2.92M$40.5M2.1%0.0%Added+$31.5MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund2.40M$33.3M1.8%0.1%Added+$22.2MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund2.38M$33.1M1.8%0.0%Reduced$-91.8MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund2.22M$30.8M1.6%0.0%Added+$29.1MQ2 2026
EdgePoint Investment Group Inc.Added
Hedge Fund
$708.5M· 37.6% of total· 5.4% port· 51.05M sh· +$26.5M QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Reduced
Institutional Manager
$409.5M· 21.7% of total· 0.2% port· 29.51M sh· $-2.7M QoQ· Q2 2026
ARIEL INVESTMENTS, LLCAdded
Institutional Manager
$214.0M· 11.4% of total· 2.1% port· 15.42M sh· +$213.1M QoQ· Q2 2026
SOUTHEASTERN ASSET MANAGEMENT INC/TN/Reduced
Hedge Fund
$171.0M· 9.1% of total· 8.9% port· 12.32M sh· +$167.9M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$48.5M· 2.6% of total· 0.0% port· 3.55M sh· +$48.5M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$48.3M· 2.6% of total· 0.1% port· 3.48M sh· +$15.4M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$40.5M· 2.1% of total· 0.0% port· 2.92M sh· +$31.5M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$33.3M· 1.8% of total· 0.1% port· 2.40M sh· +$22.2M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$33.1M· 1.8% of total· 0.0% port· 2.38M sh· $-91.8M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$30.8M· 1.6% of total· 0.0% port· 2.22M sh· +$29.1M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$30.3M· 1.6% of total· 0.0% port· 2.18M sh· $-73.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$20.5M· 1.1% of total· 0.0% port· 1.48M sh· $-274K QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$18.5M· 1.0% of total· 0.0% port· 1.33M sh· +$6.2M QoQ· Q2 2026
HBK INVESTMENTS L PUnchanged
Hedge Fund
$18.0M· 1.0% of total· 0.2% port· 1.30M sh· +$0 QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$11.4M· 0.6% of total· 0.0% port· 821K sh· $-4.7M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$7.7M· 0.4% of total· 0.0% port· 553K sh· +$4.3M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDUnchanged
Hedge Fund
$6.9M· 0.4% of total· 0.0% port· 497K sh· +$0 QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$6.1M· 0.3% of total· 0.0% port· 442K sh· QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$4.7M· 0.3% of total· 0.0% port· 342K sh· $-3.9M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$4.6M· 0.2% of total· 0.0% port· 335K sh· $-26.2M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$3.8M· 0.2% of total· 0.0% port· 273K sh· +$553K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$3.5M· 0.2% of total· 0.0% port· 251K sh· $-4.2M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$3.1M· 0.2% of total· 0.0% port· 222K sh· +$2.5M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$2.8M· 0.1% of total· 0.1% port· 201K sh· QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 126K sh· $-174K QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 101K sh· QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$992K· 0.1% of total· 0.0% port· 71K sh· QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$529K· 0.0% of total· 0.0% port· 38K sh· $-247K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$507K· 0.0% of total· 0.0% port· 37K sh· $-146K QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$194K· 0.0% of total· 0.0% port· 14K sh· $-496K QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$44K· 0.0% of total· 0.0% port· 3K sh· $-16K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$8K· 0.0% of total· 0.0% port· 607 sh· +$0 QoQ· Q2 2026
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