Jump Financial, LLC

Position in CENX — Century Aluminum Co

CIK 1831577 Chicago, IL

Position in CENX

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$949,324

-$2,083,540 QoQ

Shares Held

20,633

-60.1% QoQ

Ownership

0.021%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#182

of 413 holders

Holding Since

Sep 2020

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Jump Financial, LLC holds $30,162,377 across 4 Aluminum names. CENX ranks #4 (3.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	300,898	$15,688,820
2	CSTM	Constellium SE	218,690	$6,969,650
3	KALU	Kaiser Aluminum Corp	33,505	$6,554,583
4	CENX	Century Aluminum Co This page	20,633	$949,324

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$949,324	20,633	-60.1%	Shares	Defined	2026-08-13
2026-03-31	$3,032,864	51,676	+258.6%	Shares	Defined	2026-05-14
2025-09-30	$423,047	14,409	-77.8%	Shares	Defined	2025-11-13
2025-06-30	$1,169,407	64,895	-59.3%	Shares	Defined	2025-08-13
2023-09-30	$1,146,049	159,395	+730.2%	Shares	Sole	2024-10-21
2022-09-30	$101,376	19,200	-17.2%	Shares	Sole	2022-11-07
2020-09-30	$165,062	23,183	—	Shares	Sole	2020-11-13
No filing history on record for this holder in this stock.