CM
ERO icon

CastleKnight Management’s Ero Copper ERO Stock Holding History

CastleKnight Management’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 		$24.3M Buy
910,184
+825,184
+971% +$23.4M 0.33% 50
2026
Q1 		$2.27M Hold
85,000
– – 0.04% 267
2025
Q4 		$2.4M Hold
85,000
– – 0.05% 177
2025
Q3 		$1.72M Buy
+85,000
New +$1.29M 0.03% 258

Other funds holding ERO

Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GC
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
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

CastleKnight Management's ERO Position: Q2 2026 in Review

CastleKnight Management increased its Ero Copper (ERO) stake by 971% in Q2 2026, buying an estimated $23.4M and bringing the position to 910,184 shares worth $24.3M. The position accounts for 0.33% of the portfolio, ranked #50.

CastleKnight Management first reported a position in ERO in Q3 2025 and has held it in 4 quarters since. 209 funds tracked by Wall St. Rank hold ERO as of Q2 2026.

  • CastleKnight Management held 910,184 shares of Ero Copper worth $24.3M as of Q2 2026.
  • CastleKnight Management bought 825,184 Ero Copper shares in Q2 2026, an estimated $23.4M.
  • Ero Copper made up 0.33% of CastleKnight Management's portfolio in Q2 2026, its #50 holding.
  • CastleKnight Management first reported a position in Ero Copper in Q3 2025 and has held it in 4 quarters since.
  • 209 funds tracked by Wall St. Rank held Ero Copper as of Q2 2026.

Based on CastleKnight Management's 13F filing for Q2 2026, filed 14 Aug 2026.