MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in AA — Alcoa Corp

CIK 912938 Boston, MA

Position in AA

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

Position Value

$49,005,597

+$46,055,598 QoQ

Shares Held

738,815

+822.6% QoQ

Ownership

0.280%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

2 quarters on record

Voting authority Sole 76% Shared 19% None 5%

Basic Materials · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $58,043,250 across 3 Aluminum names. AA ranks #1 (84.4% of the industry book) .

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

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$49,005,597	738,815	+822.6%	Shares	Defined	2026-05-14
2021-06-30	$2,949,999	80,076	—	Shares	Sole	2021-08-13
No filing history on record for this holder in this stock.