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FerroAtlántica

153 hedge funds and large institutions have $502M invested in FerroAtlántica in 2025 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 55 increasing their positions, 40 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

192% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 13

38% more repeat investments, than reductions

Existing positions increased: 55 | Existing positions reduced: 40

24% more capital invested

Capital invested by funds: $405M → $502M (+$97.6M)

19% more funds holding

Funds holding: 129153 (+24)

0.1% more ownership

Funds ownership: 59.1%59.2% (+0.1%)

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

67% less call options, than puts

Call options by funds: $1.64M | Put options by funds: $4.96M

Holders
153
Holders Change
+24
Holders Change %
+18.6%
% of All Funds
2.01%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
38
Increased
55
Reduced
40
Closed
13
Calls
$1.64M
Puts
$4.96M
Net Calls
-$3.32M
Net Calls Change
-$7.99M
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
101
Prelude Capital Management
New York
$118K -$64.3K -15,023 -37%
SOW
102
State of Wyoming
Wyoming
$115K -$128K -29,860 -54%
Marshall Wace
103
Marshall Wace
United Kingdom
$109K
VOYA Investment Management
104
VOYA Investment Management
Georgia
$106K -$47.6K -11,128 -32%
D.E. Shaw & Co
105
D.E. Shaw & Co
New York
$101K +$51.3K +11,981 +117%
P
106
&Partners
Tennessee
$99.8K +$6.95K +1,624 +8%
Citigroup
107
Citigroup
New York
$96.3K -$81.1K -18,941 -47%
VPIM
108
Vanguard Personalized Indexing Management
California
$90.9K +$10.7K +2,494 +14%
Two Sigma Advisers
109
Two Sigma Advisers
New York
$81K +$22.3K +5,200 +41%
OAC
110
OMERS Administration Corp
Ontario, Canada
$78.7K +$74.1K +17,300 New
EI
111
Ethic Inc
New York
$78K +$73.4K +17,137 New
PCMH
112
Polymer Capital Management (HK)
Hong Kong
$68.4K +$64.4K +15,039 New
Creative Planning
113
Creative Planning
Kansas
$68K +$14.3K +3,344 +29%
BS
114
Banco Santander
Spain
$67.6K
Susquehanna International Group
115
Susquehanna International Group
Pennsylvania
$64K -$1.02M -237,508 -94%
RS
116
R Squared
Hong Kong
$63.4K +$15.7K +3,677 +36%
Prudential Financial
117
Prudential Financial
New Jersey
$62.7K
CBU
118
CIBC Bancorp USA
Illinois
$58K +$54.6K +12,744 New
SG Americas Securities
119
SG Americas Securities
New York
$54K +$50.9K +11,892 New
I
120
InceptionR
California
$53.6K +$50.4K +11,770 New
PWP
121
Parkwoods Wealth Partners
New York
$52.3K +$49.2K +11,500 New
CCM
122
Coldstream Capital Management
Washington
$52.3K +$49.2K +11,499 New
Mariner
123
Mariner
Kansas
$52K +$49K +11,436 New
C
124
Covestor
United Kingdom
$52K +$6.42K +1,499 +15%
PI
125
PFG Investments
New York
$51.7K

GSM Hedge Fund Activity: Q3 2025 in Review

153 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in FerroAtlántica (GSM) for Q3 2025, worth a combined $502M — up 24% from $405M a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new GSM positions and 13 closed out — a net gain of 25 holders — while 55 added to existing stakes and 40 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $9.08M. The largest seller was Wolf Hill Capital Management, cutting an estimated $16.1M.

  • 153 institutional investors held FerroAtlántica (GSM) as of Q3 2025, up from 129 in Q2 2025.
  • Funds reported $502M of FerroAtlántica stock for Q3 2025, up 24% quarter-over-quarter.
  • 38 funds opened new FerroAtlántica positions in Q3 2025 and 13 closed out, a net change of +25 holders.
  • The largest FerroAtlántica buyer in Q3 2025 was Goldman Sachs, an estimated $9.08M added.
  • The largest FerroAtlántica seller in Q3 2025 was Wolf Hill Capital Management, an estimated $16.1M sold.

Based on aggregated 13F filings for Q3 2025.