Voleon Capital Management LP

Position in CENX — Century Aluminum Co

CIK 1479847 BERKELEY, CA

Position in CENX

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

Position Value

$3,808,041

-$23,371 QoQ

Shares Held

64,884

-33.6% QoQ

Ownership

0.066%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Mar 31, 2026

Voleon Capital Management LP holds $10,357,900 across 3 Aluminum names. CENX ranks #2 (36.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSTM	Constellium SE	239,501	$5,886,934
2	CENX	Century Aluminum Co This page	64,884	$3,808,041
3	KALU	Kaiser Aluminum Corp	5,501	$662,925

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,808,041	64,884	-33.6%	Shares	Sole	2026-05-15
2025-12-31	$3,831,412	97,790	+43.7%	Shares	Sole	2026-02-17
2025-09-30	$1,997,360	68,030	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.