Assenagon Asset Management S.A.

Position in CENX — Century Aluminum Co

CIK 1546007 SENNINGERBERG, N4

Position in CENX

as of Jun 30, 2026 · filed Aug 21, 2026 Compact

Position Value

$70,448,993

-$36,972,722 QoQ

Shares Held

1,531,167

-16.3% QoQ

Ownership

1.55%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#12

of 413 holders

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Assenagon Asset Management S.A. holds $83,448,730 across 3 Aluminum names. CENX ranks #1 (84.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CENX	Century Aluminum Co This page	1,531,167	$70,448,993
2	KALU	Kaiser Aluminum Corp	54,484	$10,658,704
3	AA	Alcoa Corp	44,899	$2,341,033

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$70,448,993	1,531,167	-16.3%	Shares	Sole	2026-08-21
2026-03-31	$107,421,715	1,830,324	+109.7%	Shares	Sole	2026-04-20
2025-12-31	$34,194,462	872,753	+113.9%	Shares	Sole	2026-01-09
2025-09-30	$11,977,089	407,939	+103.1%	Shares	Sole	2025-10-07
2025-06-30	$3,620,199	200,899	-32.5%	Shares	Sole	2025-07-11
2025-03-31	$5,526,815	297,781	-23.7%	Shares	Sole	2025-04-15
2024-12-31	$7,109,935	390,227	-37.2%	Shares	Sole	2025-01-14
2024-09-30	$10,083,699	621,300	+16.9%	Shares	Sole	2024-10-23
2024-06-30	$8,905,623	531,679	+125.7%	Shares	Sole	2024-07-18
2024-03-31	$3,625,545	235,578	+74.6%	Shares	Sole	2024-04-24
2023-12-31	$1,638,159	134,939	-61.5%	Shares	Sole	2024-01-17
2023-09-30	$2,521,813	350,739	+255.6%	Shares	Sole	2023-11-06
2023-06-30	$860,175	98,644	0.0%	Shares	Sole	2023-07-25
2023-03-31	$986,440	98,644	-50.0%	Shares	Sole	2023-04-18
2022-12-31	$1,613,668	197,270	+283.2%	Shares	Sole	2023-01-12
2022-09-30	$271,798	51,477	-92.9%	Shares	Sole	2022-10-27
2022-06-30	$5,335,194	723,907	+100.1%	Shares	Sole	2022-07-27
2022-03-31	$9,516,327	361,700	-48.1%	Shares	Sole	2022-04-25
2021-12-31	$11,531,721	696,360	+325.0%	Shares	Sole	2022-02-01
2021-09-30	$2,203,930	163,861	+349.3%	Shares	Sole	2021-10-19
2021-06-30	$470,098	36,470	-72.5%	Shares	Sole	2021-07-15
2021-03-31	$2,341,292	132,576	+758.5%	Shares	Sole	2021-04-26
2020-03-31	$55,900	15,442	—	Shares	Sole	2020-04-17
No filing history on record for this holder in this stock.