MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in CENX — Century Aluminum Co

CIK 912938 Boston, MA

Position in CENX

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$733,448

New position

Shares Held

12,497

first reported quarter

Ownership

0.013%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 0% Shared 0% None 100%

Basic Materials · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $58,043,250 across 3 Aluminum names. CENX ranks #3 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	738,815	$49,005,597
2	CSTM	Constellium SE	337,844	$8,304,205
3	CENX	Century Aluminum Co This page	12,497	$733,448

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$733,448	12,497	—	Shares	Defined	2026-05-14
No filing history on record for this holder in this stock.