SEI INVESTMENTS CO

Position in CENX — Century Aluminum Co

CIK 350894 OAKS, PA

Position in CENX

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$3,178,766

+$1,108,026 QoQ

Shares Held

54,162

+2.5% QoQ

Ownership

0.055%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Mar 31, 2026

SEI INVESTMENTS CO holds $54,871,105 across 4 Aluminum names. CENX ranks #4 (5.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	579,259	$38,422,247
2	KALU	Kaiser Aluminum Corp	62,842	$7,573,088
3	CSTM	Constellium SE	231,774	$5,697,004
4	CENX	Century Aluminum Co This page	54,162	$3,178,766

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,178,766	54,162	+2.5%	Shares	Sole	2026-05-13
2025-12-31	$2,070,740	52,852	-35.8%	Shares	Defined	2026-02-13
2025-09-30	$2,418,470	82,373	+293.6%	Shares	Sole	2025-11-13
2025-06-30	$377,085	20,926	-11.3%	Shares	Sole	2025-08-14
2025-03-31	$437,830	23,590	+15.5%	Shares	Sole	2025-05-14
2024-12-31	$371,997	20,417	-17.8%	Shares	Sole	2025-02-11
2024-06-30	$416,219	24,849	-0.1%	Shares	Defined	2024-08-13
2022-09-30	$131,355	24,878	-21.4%	Shares	Sole	2022-11-14
2022-06-30	$233,289	31,654	-33.3%	Shares	Sole	2022-08-15
2022-03-31	$1,247,935	47,432	+170.2%	Shares	Defined	2022-05-13
2021-12-31	$290,709	17,555	-1.1%	Shares	Sole	2022-02-14
2021-09-30	$238,791	17,754	+4.3%	Shares	Sole	2021-11-12
2021-06-30	$219,477	17,027	-66.2%	Shares	Sole	2021-08-06
2020-06-30	$359,315	50,395	+0.2%	Shares	Sole	2020-08-17
2020-03-31	$182,111	50,307	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.