Mariner’s Ero Copper ERO Stock Holding History

Mariner’s Portfolio ERO Stock Details ERO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$319K	Buy	11,912 +372	+3%	+$10.5K	﹤0.01%	2800
2026 Q1	$307K	Buy	11,540 +826	+8%	+$24.8K	﹤0.01%	2845
2025 Q4	$303K	Buy	+10,714	New	+$250K	﹤0.01%	2829

Other funds holding ERO

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GMT Capital Atlanta, Georgia $1.92B AUM 70.51% 1-Year Est. Return

CAAM

Cape Ann Asset Management London, United Kingdom $434M AUM 68.57% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Mariner's ERO Position: Q2 2026 in Review

Mariner increased its Ero Copper (ERO) stake by 3.2% in Q2 2026, buying an estimated $10.5K and bringing the position to 11,912 shares worth $319K. The position accounts for ﹤0.01% of the portfolio, ranked #2800.

Mariner first reported a position in ERO in Q4 2025 and has held it in 3 quarters since. 209 funds tracked by Wall St. Rank hold ERO as of Q2 2026.

Mariner held 11,912 shares of Ero Copper worth $319K as of Q2 2026.
Mariner bought 372 Ero Copper shares in Q2 2026, an estimated $10.5K.
Ero Copper made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2800 holding.
Mariner first reported a position in Ero Copper in Q4 2025 and has held it in 3 quarters since.
209 funds tracked by Wall St. Rank held Ero Copper as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.