VANGUARD PORTFOLIO MANAGEMENT LLC

Position in CSTM — Constellium SE

CIK 2100121 MALVERN, PA

Position in CSTM

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

Position Value

$139,965,263

+$43,437,219 QoQ

Shares Held

4,391,756

+11.8% QoQ

Ownership

3.23%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

of 385 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Basic Materials · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $1,313,671,295 across 4 Aluminum names. CSTM ranks #4 (10.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	12,995,948	$677,608,728
2	KALU	Kaiser Aluminum Corp	1,413,170	$276,458,447
3	CENX	Century Aluminum Co	4,773,720	$219,638,857
4	CSTM	Constellium SE This page	4,391,756	$139,965,263

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$139,965,263	4,391,756	+11.8%	Shares	Defined	2026-08-13
2026-03-31	$96,528,044	3,927,097	—	Shares	Defined	2026-05-08
No filing history on record for this holder in this stock.