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Walleye Trading LLC

Position in MAT — Mattel Inc /De/

CIK 1388391 NEW YORK, NY

Position in MAT

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$71,879
+$71,879 QoQ
Shares Held
4,947
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MAT Over Time

Shares Held

Position Value (USD)

Derivatives in MAT

reported options exposure · as of Mar 31, 2026
CallValue
$695,987
CallShares
47,900
PutValue
$252,822
PutShares
17,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Leisure

Consumer Cyclical · as of Mar 31, 2026

Walleye Trading LLC holds $3,425,213 across 7 Leisure names. MAT ranks #5 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MAT
Mattel Inc /De/
This page
4,947 $71,879

All Filings in MAT

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $695,987 47,900
2026-03-31 $252,822 17,400
2026-03-31 $71,879 4,947
2025-12-31 $1,071,360 54,000
2025-12-31 $841,216 42,400
2025-09-30 $812,889 48,300
2025-09-30 $1,006,434 59,800
2025-06-30 $719,780 36,500
2025-06-30 $455,532 23,100
2025-03-31 $878,236 45,200
2025-03-31 $373,056 19,200
2024-12-31 $829,764 46,800
2024-12-31 $537,219 30,300
2024-12-31 $10,744 606
2024-09-30 $1,083,945 56,900
2024-09-30 $432,435 22,700
2024-09-30 $11,544 606
2024-06-30 $287,802 17,700
2024-06-30 $426,012 26,200
2024-06-30 $9,853 606
2024-03-31 $4,158,119 209,900
2024-03-31 $8,078,518 407,800
2024-03-31 $12,004 606
2023-12-31 $2,341,120 124,000
2023-12-31 $4,108,288 217,600
2023-09-30 $3,784,754 171,800
2023-09-30 $755,629 34,300
2023-09-30 $1,403,751 63,720
2023-06-30 $394,708 20,200
2023-06-30 $5,111,664 261,600
2023-06-30 $399,632 20,452
2023-03-31 $375,564 20,400
2023-03-31 $5,493,544 298,400
2023-03-31 $2,193,201 119,131
2022-12-31 $717,150 40,199
2022-12-31 $1,757,240 98,500
2022-12-31 $4,964,872 278,300
2022-09-30 $169,588 8,954
2022-09-30 $1,727,328 91,200
2022-09-30 $3,897,852 205,800
2022-06-30 $893,200 40,000
2022-06-30 $20,342 911
2022-06-30 $1,723,876 77,200
2022-03-31 $1,070,522 48,200
2022-03-31 $47,507 2,139
2022-03-31 $1,601,341 72,100
2021-12-31 $1,168,552 54,200
2021-12-31 $2,257,332 104,700
2021-09-30 $792,512 42,700
2021-09-30 $1,432,832 77,200