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CenterBook Partners’s FerroAtlántica GSM Stock Holding History

CenterBook Partners’s Portfolio GSM Stock Details GSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.16M Buy
2,566,762
+1,631,239
+174% +$6.75M 0.4% 55
2026
Q1 		$3.85M Sell
935,523
-538,705
-37% -$2.6M 0.21% 127
2025
Q4 		$6.84M Buy
1,474,228
+547,847
+59% +$2.53M 0.33% 77
2025
Q3 		$4.22M Sell
926,381
-1,276,256
-58% -$5.46M 0.21% 132
2025
Q2 		$8.08M Sell
2,202,637
-223,135
-9% -$819K 0.45% 49
2025
Q1 		$9M Buy
2,425,772
+224,864
+10% +$867K 0.57% 35
2024
Q4 		$8.36M Buy
+2,200,908
New +$9.44M 0.5% 51

Other funds holding GSM

CCPM
Cooper Creek Partners Management New York $4.21B AUM 44.81% 1-Year Est. Return
HP
Hosking Partners London, United Kingdom $3.01B AUM 83.99% 1-Year Est. Return
DSC
Donald Smith & Co New York $5.65B AUM 47.79% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
OWIM
Old West Investment Management Los Angeles, California $944M AUM 90.26% 1-Year Est. Return
GC
Grizzlyrock Capital Chicago, Illinois $143M AUM 6.82% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

CenterBook Partners's GSM Position: Q2 2026 in Review

CenterBook Partners increased its FerroAtlántica (GSM) stake by 174% in Q2 2026, buying an estimated $6.75M and bringing the position to 2,566,762 shares worth $8.16M. The position accounts for 0.4% of the portfolio, ranked #55.

CenterBook Partners first reported a position in GSM in Q4 2024 and has held it in 7 quarters since. The position peaked at $9M in Q1 2025. 177 funds tracked by Wall St. Rank hold GSM as of Q2 2026.

  • CenterBook Partners held 2,566,762 shares of FerroAtlántica worth $8.16M as of Q2 2026.
  • CenterBook Partners bought 1,631,239 FerroAtlántica shares in Q2 2026, an estimated $6.75M.
  • FerroAtlántica made up 0.4% of CenterBook Partners's portfolio in Q2 2026, its #55 holding.
  • CenterBook Partners first reported a position in FerroAtlántica in Q4 2024 and has held it in 7 quarters since.
  • CenterBook Partners's FerroAtlántica position peaked at $9M in Q1 2025.
  • 177 funds tracked by Wall St. Rank held FerroAtlántica as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.