Marshall Wace
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Marshall Wace’s Ero Copper ERO Stock Holding History

Marshall Wace’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 		$2.03M Sell
75,832
-46,702
-38% -$1.32M ﹤0.01% 1845
2026
Q1 		$3.27M Buy
+122,534
New +$3.68M ﹤0.01% 1527
2025
Q4 		– Sell
-543,723
Closed -$11M – 3102
2025
Q3 		$11M Sell
543,723
-65,898
-11% -$1M 0.01% 886
2025
Q2 		$10.3M Buy
609,621
+585,087
+2,385% +$7.9M 0.01% 832
2025
Q1 		$297K Sell
24,534
-29,607
-55% -$395K ﹤0.01% 2271
2024
Q4 		$730K Buy
+54,141
New +$917K ﹤0.01% 1880

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

Marshall Wace's ERO Position: Q2 2026 in Review

Marshall Wace reduced its Ero Copper (ERO) stake by 38% in Q2 2026, selling an estimated $1.32M and leaving 75,832 shares worth $2.03M. The position accounts for ﹤0.01% of the portfolio, ranked #1845.

Marshall Wace first reported a position in ERO in Q4 2024 and has held it in 6 quarters since. The position peaked at $11M in Q3 2025. 208 funds tracked by Wall St. Rank hold ERO as of Q2 2026.

  • Marshall Wace held 75,832 shares of Ero Copper worth $2.03M as of Q2 2026.
  • Marshall Wace sold 46,702 Ero Copper shares in Q2 2026, an estimated $1.32M.
  • Ero Copper made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1845 holding.
  • Marshall Wace first reported a position in Ero Copper in Q4 2024 and has held it in 6 quarters since.
  • Marshall Wace's Ero Copper position peaked at $11M in Q3 2025.
  • 208 funds tracked by Wall St. Rank held Ero Copper as of Q2 2026.

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