Olympiad Research’s Ero Copper ERO Stock Holding History

Olympiad Research’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
2025 Q4	–	Sell	-12,237	Closed	-$248K	–	146
2025 Q3	$248K	Buy	+12,237	New	+$186K	0.34%	118

Other funds holding ERO

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

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

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

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

CAAM

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

HIM

Hillsdale Investment Management Toronto, Ontario, Canada $3.68B AUM 62.12% 1-Year Est. Return

Olympiad Research's ERO Position: Q4 2025 in Review

Olympiad Research sold out of Ero Copper (ERO) in Q4 2025, closing a stake of 12,237 shares — an estimated $248K sold.

Olympiad Research first reported a position in ERO in Q3 2025 and held it in 1 quarter. The position peaked at $248K in Q3 2025. 155 funds tracked by Wall St. Rank hold ERO as of Q4 2025.

Olympiad Research reported no remaining Ero Copper position as of Q4 2025 after selling out during the quarter.
Olympiad Research sold 12,237 Ero Copper shares in Q4 2025, an estimated $248K.
Olympiad Research first reported a position in Ero Copper in Q3 2025 and held it in 1 quarter.
Olympiad Research's Ero Copper position peaked at $248K in Q3 2025.
155 funds tracked by Wall St. Rank held Ero Copper as of Q4 2025.

Based on Olympiad Research's 13F filing for Q4 2025, filed 17 Feb 2026.