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CastleKnight Management LP

Position in MAT — Mattel Inc /De/

CIK 1835751 New York, NY

Position in MAT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$10,859,378
+$464,965 QoQ
Shares Held
782,376
+9.4% QoQ
Ownership
0.274%
of shares outstanding
% of Portfolio
0.40%
of 13F equity value
Holder Rank
#47
of 403 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MAT Over Time

Shares Held

Position Value (USD)

Derivatives in MAT

reported options exposure · as of Sep 30, 2025
CallValue
$3,366,000
CallShares
200,000
PutValue
$0
PutShares
0

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 Jun 30, 2026

CastleKnight Management LP holds $44,269,714 across 9 Leisure names. MAT ranks #2 (24.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MAT
Mattel Inc /De/
This page
782,376 $10,859,378

All Filings in MAT

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,859,378 782,376
2026-03-31 $10,394,413 715,376
2025-12-31 $6,874,560 346,500
2025-09-30 $3,366,000 200,000
2025-09-30 $6,944,058 412,600
2025-06-30 $1,198,976 60,800