Hudson Bay Capital Management LP

Position in CENX — Century Aluminum Co

CIK 1393825 STAMFORD, CT

Position in CENX

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$4,601,000

+$4,162,528 QoQ

Shares Held

100,000

+1238.5% QoQ

Ownership

0.101%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#95

of 415 holders

Holding Since

Dec 2023

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Hudson Bay Capital Management LP holds $13,365,724 across 3 Aluminum names. CENX ranks #2 (34.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSTM	Constellium SE	185,572	$5,914,179
2	CENX	Century Aluminum Co This page	100,000	$4,601,000
3	AA	Alcoa Corp	54,671	$2,850,545

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$4,601,000	100,000	+1238.5%	Shares	Sole	2026-08-14
2026-03-31	$438,472	7,471	-62.6%	Shares	Defined	2026-05-13
2025-03-31	$371,200	20,000	-66.7%	Shares	Sole	2025-05-14
2024-03-31	$923,400	60,000	-42.9%	Shares	Sole	2024-05-15
2023-12-31	$1,274,700	105,000	—	Shares	Sole	2024-02-14
No filing history on record for this holder in this stock.