Cornerstone Financial Management LLC

Position in ERO — Ero Copper Corp.

CIK 2110329 PROVIDENCE, RI

Position in ERO

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$401

New position

Shares Held

15

first reported quarter

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#203

of 208 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

Cornerstone Financial Management LLC holds $71,011 across 5 Copper names. ERO ranks #5 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FCX	Freeport-Mcmoran Inc	415	$26,099
2	HBM	Hudbay Minerals Inc.	1,065	$25,144
3	TGB	Trekor Metals Ltd	2,046	$14,076
4	TECK	Teck Resources Ltd	89	$5,291
5	ERO	Ero Copper Corp. This page	15	$401

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$401	15	—	Shares	Sole	2026-08-12
No filing history on record for this holder in this stock.