MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in ERO — Ero Copper Corp.

CIK 912938 Boston, MA

Position in ERO

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$41,399,101

+$35,612,593 QoQ

Shares Held

1,547,630

+613.3% QoQ

Ownership

1.48%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#10

of 208 holders

Holding Since

Sep 2021

10 quarters on record

Voting authority Sole 84% Shared 15% None 1%

Basic Materials · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $482,139,205 across 3 Copper names. ERO ranks #3 (8.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TECK	Teck Resources Ltd	5,601,956	$333,092,300
2	FCX	Freeport-Mcmoran Inc	1,711,684	$107,647,804
3	ERO	Ero Copper Corp. This page	1,547,630	$41,399,101

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$41,399,101	1,547,630	+613.3%	Shares	Sole	2026-08-03
2026-03-31	$5,786,508	216,967	-48.1%	Shares	Defined	2026-05-14
2023-06-30	$8,459,781	418,180	+0.1%	Shares	Defined	2023-08-09
2023-03-31	$7,371,191	417,868	-3.8%	Shares	Defined	2023-05-10
2022-12-31	$5,974,113	434,481	-2.1%	Shares	Defined	2023-02-13
2022-09-30	$4,882,328	443,848	+13.2%	Shares	Defined	2022-11-09
2022-06-30	$3,304,543	391,998	-74.7%	Shares	Defined	2022-08-09
2022-03-31	$22,662,105	1,547,958	+17.6%	Shares	Defined	2022-05-11
2021-12-31	$20,124,224	1,316,169	+20.1%	Shares	Defined	2022-02-10
2021-09-30	$19,456,857	1,096,161	—	Shares	Defined	2021-11-10
No filing history on record for this holder in this stock.