MARTINGALE ASSET MANAGEMENT L P

Position in CSTM — Constellium SE

CIK 936944 BOSTON, MA

Position in CSTM

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

Position Value

$3,947,498

+$2,413,617 QoQ

Shares Held

160,598

+97.4% QoQ

Ownership

0.118%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2023

9 quarters on record

Voting authority Sole 41% Shared 0% None 59%

Basic Materials · as of Mar 31, 2026

MARTINGALE ASSET MANAGEMENT L P holds $5,422,998 across 3 Aluminum names. CSTM ranks #1 (72.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSTM	Constellium SE This page	160,598	$3,947,498
2	AA	Alcoa Corp	16,064	$1,065,525
3	KALU	Kaiser Aluminum Corp	3,402	$409,975

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,947,498	160,598	+97.4%	Shares	Sole	2026-05-13
2025-12-31	$1,533,881	81,373	+5.7%	Shares	Sole	2026-02-13
2025-09-30	$1,145,135	76,958	+491.4%	Shares	Sole	2025-11-13
2024-06-30	$245,276	13,012	-48.4%	Shares	Sole	2024-08-12
2024-03-31	$557,636	25,221	-24.6%	Shares	Sole	2024-05-14
2023-12-31	$667,502	33,442	-2.3%	Shares	Sole	2024-02-12
2023-09-30	$623,204	34,242	-4.7%	Shares	Sole	2023-11-14
2023-06-30	$618,202	35,942	-12.4%	Shares	Sole	2023-08-11
2023-03-31	$627,198	41,047	—	Shares	Sole	2023-05-12
No filing history on record for this holder in this stock.