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GROUP ONE TRADING LLC

Position in MAT — Mattel Inc /De/

CIK 932540 CHICAGO, IL

Position in MAT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$117,799
-$8,132 QoQ
Shares Held
8,487
-2.1% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#253
of 394 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MAT Over Time

Shares Held

Position Value (USD)

Position in Leisure

Consumer Cyclical · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $11,175,877 across 11 Leisure names. MAT ranks #7 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 MAT
Mattel Inc /De/
This page
8,487 $117,799

All Filings in MAT

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19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $117,799 8,487
2026-03-31 $125,931 8,667
2025-09-30 $491,116 29,181
2025-06-30 $1,788,051 90,672
2025-03-31 $47,584 2,449
2024-12-31 $432,948 24,419
2024-09-30 $324,021 17,009
2023-12-31 $837,422 44,355
2023-09-30 $2,368,269 107,502
2023-06-30 $1,002,206 51,290
2023-03-31 $869,927 47,253
2022-12-31 $528,795 29,641
2022-09-30 $531,494 28,062
2022-03-31 $1,364,471 61,435
2021-12-31 $756,130 35,071
2020-12-31 $294,660 16,886
2020-09-30 $1,188,720 101,600
2020-06-30 $2,100,807 217,250
2020-03-31 $4,481,091 508,637