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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in ERO — Ero Copper Corp.

CIK 912938 Boston, MA

Position in ERO

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$5,786,508
-$2,673,273 QoQ
Shares Held
216,967
-48.1% QoQ
Ownership
0.208%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
9 quarters on record
Voting authority Sole 9.553526573165506.ToString("F0")% Shared 90.4464734268345.ToString("F0")% None 0.ToString("F0")%

Common Shares in ERO Over Time

Shares Held

Position Value (USD)

Position in Copper

Basic Materials · as of Mar 31, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $7,900,705 across 2 Copper names. ERO ranks #1 (73.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ERO
Ero Copper Corp.
This page
216,967 $5,786,508

All Filings in ERO

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9 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,786,508 216,967
2023-06-30 $8,459,781 418,180
2023-03-31 $7,371,191 417,868
2022-12-31 $5,974,113 434,481
2022-09-30 $4,882,328 443,848
2022-06-30 $3,304,543 391,998
2022-03-31 $22,662,105 1,547,958
2021-12-31 $20,124,224 1,316,169
2021-09-30 $19,456,857 1,096,161