Ken Griffin
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Ken Griffin’s Ero Copper ERO Stock Holding History

Ken Griffin’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 		$10.9M Buy
408,100
+254,200
+165% +$7.64M ﹤0.01% 3132
2025
Q4 		$4.35M Sell
153,900
-18,500
-11% -$431K ﹤0.01% 4491
2025
Q3 		$3.49M Buy
172,400
+46,200
+37% +$704K ﹤0.01% 5018
2025
Q2 		$2.13M Sell
126,200
-31,100
-20% -$420K ﹤0.01% 5593
2025
Q1 		$1.91M Buy
157,300
+109,500
+229% +$1.46M ﹤0.01% 5625
2024
Q4 		$644K Sell
47,800
-47,300
-50% -$801K ﹤0.01% 7983
2024
Q3 		$2.12M Sell
95,100
-47,300
-33% -$965K ﹤0.01% 5429
2024
Q2 		$3.04M Buy
142,400
+101,200
+246% +$2.12M ﹤0.01% 4539
2024
Q1 		$794K Sell
41,200
-21,600
-34% -$356K ﹤0.01% 7409
2023
Q4 		$992K Buy
62,800
+33,100
+111% +$465K ﹤0.01% 6702
2023
Q3 		$512K Buy
29,700
+27,500
+1,250% +$562K ﹤0.01% 8022
2023
Q2 		$44.5K Sell
2,200
-21,800
-91% -$412K ﹤0.01% 11939
2023
Q1 		$423K Buy
24,000
+9,500
+66% +$153K ﹤0.01% 8648
2022
Q4 		$199K Sell
14,500
-1,900
-12% -$23.5K ﹤0.01% 10145
2022
Q3 		$180K Buy
+16,400
New +$160K ﹤0.01% 10508

Other funds holding ERO

Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 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 $4.68T AUM
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
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
KI
Kapitalo Investimentos Sao Paulo, Brazil $531M AUM 25.72% 1-Year Est. Return

Ken Griffin's ERO Position: Q1 2026 in Review

Ken Griffin increased its Ero Copper (ERO) stake by 70% in Q1 2026, buying an estimated $2.7M and bringing the position to 216,952 shares worth $5.79M. The position accounts for ﹤0.01% of the portfolio, ranked #4104.

Ken Griffin first reported a position in ERO in Q1 2022 and has held it in 15 quarters since. 191 funds tracked by Wall St. Rank hold ERO as of Q1 2026.

  • Ken Griffin held 216,952 shares of Ero Copper worth $5.79M as of Q1 2026.
  • Ken Griffin bought 89,644 Ero Copper shares in Q1 2026, an estimated $2.7M.
  • Ero Copper made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4104 holding.
  • Ken Griffin first reported a position in Ero Copper in Q1 2022 and has held it in 15 quarters since.
  • 191 funds tracked by Wall St. Rank held Ero Copper as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.