Group One Trading’s Ero Copper ERO Stock Holding History

Group One Trading’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 Q1	$334K	Buy	+12,526	New	+$377K	﹤0.01%	3708
2025 Q4	–	Sell	-43,491	Closed	-$1.01M	–	8398
2025 Q3	$880K	Buy	43,491 +16,324	+60%	+$249K	﹤0.01%	3166
2025 Q2	$458K	Buy	27,167 +8,109	+43%	+$110K	﹤0.01%	3506
2025 Q1	$231K	Buy	19,058 +11,261	+144%	+$150K	﹤0.01%	3866
2024 Q4	$105K	Sell	7,797 -15,411	-66%	-$261K	﹤0.01%	4480
2024 Q3	$517K	Buy	+23,208	New	+$474K	﹤0.01%	2837
2024 Q1	–	Sell	-8,255	Closed	-$136K	–	7272
2023 Q4	$130K	Buy	+8,255	New	+$116K	﹤0.01%	4236

Other funds holding ERO

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return

GMT Capital Atlanta, Georgia $2.19B AUM 72.3% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

CAAM

Cape Ann Asset Management London, United Kingdom $440M AUM 96.23% 1-Year Est. Return

Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return

Kapitalo Investimentos Sao Paulo, Brazil $531M AUM 25.72% 1-Year Est. Return

Group One Trading's ERO Position: Q1 2026 in Review

Group One Trading opened a new position in Ero Copper (ERO) in Q1 2026: 12,526 shares worth $334K. The stake represents ﹤0.01% of the portfolio and ranks #3708 among its holdings. This is a return to the name: Group One Trading previously reported a position in ERO as recently as Q3 2025.

Group One Trading first reported a position in ERO in Q4 2023 and has held it in 7 quarters since. The position peaked at $880K in Q3 2025. 190 funds tracked by Wall St. Rank hold ERO as of Q1 2026.

Group One Trading held 12,526 shares of Ero Copper worth $334K as of Q1 2026.
Ero Copper was a new Group One Trading position in Q1 2026.
Ero Copper made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3708 holding.
Group One Trading first reported a position in Ero Copper in Q4 2023 and has held it in 7 quarters since.
Group One Trading's Ero Copper position peaked at $880K in Q3 2025.
190 funds tracked by Wall St. Rank held Ero Copper as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.