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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
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 $129B AUM 30.83% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
GC
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
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
KI
Kapitalo Investimentos Sao Paulo, Brazil $531M AUM 25.72% 1-Year Est. Return

CastleKnight Management's ERO Position: Q1 2026 in Review

CastleKnight Management held its Ero Copper (ERO) position steady in Q1 2026 at 85,000 shares worth $2.27M. The position accounts for 0.04% of the portfolio, ranked #267.

CastleKnight Management first reported a position in ERO in Q3 2025 and has held it in 3 quarters since. The position peaked at $2.4M in Q4 2025. 190 funds tracked by Wall St. Rank hold ERO as of Q1 2026.

  • CastleKnight Management held 85,000 shares of Ero Copper worth $2.27M as of Q1 2026.
  • CastleKnight Management left its Ero Copper share count unchanged in Q1 2026.
  • Ero Copper made up 0.04% of CastleKnight Management's portfolio in Q1 2026, its #267 holding.
  • CastleKnight Management first reported a position in Ero Copper in Q3 2025 and has held it in 3 quarters since.
  • CastleKnight Management's Ero Copper position peaked at $2.4M in Q4 2025.
  • 190 funds tracked by Wall St. Rank held Ero Copper as of Q1 2026.

Based on CastleKnight Management's 13F filing for Q1 2026, filed 15 May 2026.