RhumbLine Advisers
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RhumbLine Advisers’s FerroAtlántica GSM Stock Holding History

RhumbLine Advisers’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 		$476K Buy
149,569
+2,551
+2% +$10.6K ﹤0.01% 2802
2026
Q1 		$606K Sell
147,018
-3,118
-2% -$15K ﹤0.01% 2491
2025
Q4 		$697K Sell
150,136
-25,898
-15% -$120K ﹤0.01% 2438
2025
Q3 		$801K Sell
176,034
-2,577
-1% -$11K ﹤0.01% 2381
2025
Q2 		$655K Buy
178,611
+174,652
+4,412% +$641K ﹤0.01% 2496
2025
Q1 		$14.7K Hold
3,959
– – ﹤0.01% 3781
2024
Q4 		$15K Buy
+3,959
New +$17K ﹤0.01% 3834
2024
Q3 		– Sell
-1,256
Closed -$6.73K – 4256
2024
Q2 		$6.73K Buy
+1,256
New +$6.84K ﹤0.01% 4034
2017
Q2 		– Sell
-81,001
Closed -$837K – 2935
2017
Q1 		$837K Buy
81,001
+1,945
+2% +$20.5K ﹤0.01% 2011
2016
Q4 		$856K Sell
79,056
-511
-0.6% -$5.28K ﹤0.01% 1937
2016
Q3 		$718K Sell
79,567
-3,280
-4% -$29.2K ﹤0.01% 2000
2016
Q2 		$713K Buy
82,847
+17,947
+28% +$165K ﹤0.01% 1984
2016
Q1 		$572K Sell
64,900
-12,175
-16% -$105K ﹤0.01% 2128
2015
Q4 		$829K Buy
77,075
+7,280
+10% +$83K ﹤0.01% 1930
2015
Q3 		$847K Buy
69,795
+2,105
+3% +$31.1K ﹤0.01% 1875
2015
Q2 		$1.2M Sell
67,690
-5,075
-7% -$101K ﹤0.01% 1752
2015
Q1 		$1.38M Buy
72,765
+10,550
+17% +$178K ﹤0.01% 1660
2014
Q4 		$1.07M Sell
62,215
-2,650
-4% -$45.9K ﹤0.01% 1758
2014
Q3 		$1.18M Buy
64,865
+850
+1% +$16.9K ﹤0.01% 1655
2014
Q2 		$1.33M Sell
64,015
-27,612
-30% -$555K ﹤0.01% 1646
2014
Q1 		$1.91M Sell
91,627
-3,850
-4% -$73.1K 0.01% 1379
2013
Q4 		$1.72M Sell
95,477
-6,230
-6% -$107K 0.01% 1467
2013
Q3 		$1.57M Sell
101,707
-4,888
-5% -$62.5K ﹤0.01% 1489
2013
Q2 		$1.16M Buy
+106,595
New +$1.33M ﹤0.01% 1655

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
CP
CenterBook Partners Greenwich, Connecticut $2.04B AUM 35.27% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

RhumbLine Advisers's GSM Position: Q2 2026 in Review

RhumbLine Advisers increased its FerroAtlántica (GSM) stake by 1.7% in Q2 2026, buying an estimated $10.6K and bringing the position to 149,569 shares worth $476K. The position accounts for ﹤0.01% of the portfolio, ranked #2802.

RhumbLine Advisers first reported a position in GSM in Q2 2013 and has held it in 24 quarters since. The position peaked at $1.91M in Q1 2014. 177 funds tracked by Wall St. Rank hold GSM as of Q2 2026.

  • RhumbLine Advisers held 149,569 shares of FerroAtlántica worth $476K as of Q2 2026.
  • RhumbLine Advisers bought 2,551 FerroAtlántica shares in Q2 2026, an estimated $10.6K.
  • FerroAtlántica made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2802 holding.
  • RhumbLine Advisers first reported a position in FerroAtlántica in Q2 2013 and has held it in 24 quarters since.
  • RhumbLine Advisers's FerroAtlántica position peaked at $1.91M in Q1 2014.
  • 177 funds tracked by Wall St. Rank held FerroAtlántica as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.