CastleKnight Management LP

Position in MAT — Mattel Inc /De/

CIK 1835751 New York, NY

Back to MAT Full portfolio

Position in MAT

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$10,394,413

+$3,519,853 QoQ

Shares Held

715,376

+106.5% QoQ

Ownership

0.246%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

4 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 Sep 30, 2025

CallValue

$3,366,000

CallShares

200,000

PutValue

PutShares

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

CastleKnight Management LP holds $37,383,788 across 9 Leisure names. MAT ranks #1 (27.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MAT	Mattel Inc /De/ This page	715,376	$10,394,413
2	PTON	Peloton Interactive, Inc.	2,405,200	$10,318,308
3	FNKO	Funko, Inc.	1,171,355	$3,689,768
4	FUN	Six Flags Entertainment Corporation/NEW	188,102	$3,338,810
5	PRKS	United Parks & Resorts Inc.	88,800	$2,900,208
6	JAKK	Jakks Pacific Inc	121,800	$2,426,256
7	XPOF	Xponential Fitness, Inc.	381,500	$2,296,630
8	YETI	YETI Holdings, Inc.	31,700	$1,159,903

All Filings in MAT

Export CSV

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$10,394,413	715,376	+106.5%	Shares	Sole	2026-05-15
2025-12-31	$6,874,560	346,500	+73.2%	Shares	Sole	2026-02-17
2025-09-30	$3,366,000	200,000	-51.5%	Call	Sole	2025-11-14
2025-09-30	$6,944,058	412,600	+578.6%	Shares	Sole	2025-11-14
2025-06-30	$1,198,976	60,800	—	Shares	Sole	2025-08-14
No filing history on record for this holder in this stock.