AMERICAN CENTURY COMPANIES INC

Position in CSTM — Constellium SE

CIK 748054 KANSAS CITY, MO

Position in CSTM

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

Position Value

$51,261,073

+$17,117,239 QoQ

Shares Held

2,085,479

+15.1% QoQ

Ownership

1.53%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2021

17 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Basic Materials · as of Mar 31, 2026

AMERICAN CENTURY COMPANIES INC holds $127,323,371 across 4 Aluminum names. CSTM ranks #2 (40.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KALU	Kaiser Aluminum Corp	478,796	$57,699,705
2	CSTM	Constellium SE This page	2,085,479	$51,261,073
3	CENX	Century Aluminum Co	232,034	$13,618,075
4	AA	Alcoa Corp	71,529	$4,744,518

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$51,261,073	2,085,479	+15.1%	Shares	Defined	2026-05-15
2025-12-31	$34,143,834	1,811,344	+54.6%	Shares	Defined	2026-02-13
2025-09-30	$17,437,098	1,171,848	+57.6%	Shares	Defined	2025-11-12
2025-06-30	$9,889,893	743,601	+232.4%	Shares	Defined	2025-08-12
2025-03-31	$2,257,455	223,732	-1.2%	Shares	Defined	2025-05-13
2024-12-31	$2,325,620	226,448	+66.3%	Shares	Defined	2025-02-11
2024-09-30	$2,213,457	136,129	-0.3%	Shares	Defined	2024-11-12
2024-06-30	$2,573,722	136,537	-11.0%	Shares	Defined	2024-08-07
2024-03-31	$3,393,531	153,484	-32.4%	Shares	Defined	2024-05-14
2023-12-31	$4,532,357	227,072	-56.3%	Shares	Defined	2024-02-13
2023-06-30	$8,937,343	519,613	+43.5%	Shares	Defined	2023-08-14
2023-03-31	$5,531,910	362,036	+2566.9%	Shares	Defined	2023-05-11
2022-12-31	$160,592	13,575	+0.6%	Shares	Defined	2023-02-13
2022-09-30	$136,879	13,499	-97.2%	Shares	Defined	2022-11-14
2022-06-30	$6,281,064	475,478	-36.5%	Shares	Defined	2022-08-12
2022-03-31	$13,485,924	749,218	+384.2%	Shares	Defined	2022-05-11
2021-09-30	$2,906,111	154,745	—	Shares	Defined	2021-11-10
No filing history on record for this holder in this stock.