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FerroAtlántica
GSM

129 hedge funds and large institutions have $405M invested in FerroAtlántica in 2025 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 44 increasing their positions, 39 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

142% more call options, than puts

Call options by funds: $7.93M | Put options by funds: $3.27M

78% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 18

67% more funds holding in top 10

Funds holding in top 10: 3 → 5 (+2)

13% more repeat investments, than reductions

Existing positions increased: 44 | Existing positions reduced: 39

12% more funds holding

Funds holding: 115 → 129 (+14)

7% more capital invested

Capital invested by funds: $379M → $405M (+$25.9M)

4.72% more ownership

Funds ownership: 54.38% → 59.1% (+4.7%)

Holders
129
Holders Change
+14
Holders Change %
+12.17%
% of All Funds
1.7%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
32
Increased
44
Reduced
39
Closed
18
Calls
$7.93M
Puts
$3.27M
Net Calls
+$4.66M
Net Calls Change
-$1.07M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$23.1M
2
Geode Capital Management
Geode Capital Management
Massachusetts
+$5.23M
3
DSC
Donald Smith & Co
New York
+$4.73M
4
State Street
State Street
Massachusetts
+$4M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$2.75M

Top Sellers

Rank Fund Capital Flow
1
Boston Partners
Boston Partners
Massachusetts
-$4.16M
2
Millennium Management
Millennium Management
New York
-$3.76M
3
Marshall Wace
Marshall Wace
United Kingdom
-$2.91M
4
OCM
Orchard Capital Management
Illinois
-$2.48M
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$2.35M
Name Holding Trade Value Shares
Change 		Change in
Stake
Bank of America
26
Bank of America
North Carolina
$3.39M -$137K -37,323 -4%
BAM
27
Ballast Asset Management
Texas
$3.11M +$149K +40,676 +5%
Vanguard Group
28
Vanguard Group
Pennsylvania
$2.75M +$2.75M +748,170 New
GCM
29
Graham Capital Management
Connecticut
$2.7M -$630K -171,622 -19%
Northern Trust
30
Northern Trust
Illinois
$2.66M +$2.24M +610,384 +532%
Walleye Capital
31
Walleye Capital
New York
$2.64M -$268K -73,091 -9%
JCP
32
JB Capital Partners
New York
$2.4M – – –
Barclays
33
Barclays
United Kingdom
$2.25M -$1.97M -536,482 -47%
RC
34
RBF Capital
California
$1.92M -$1.34M -364,000 -41%
LOAMU
35
Lombard Odier Asset Management (USA)
New York
$1.83M +$1.83M +499,391 New
Goldman Sachs
36
Goldman Sachs
New York
$1.74M +$519K +141,362 +43%
OCM
37
Orchard Capital Management
Illinois
$1.72M -$2.48M -675,370 -59%
Boston Partners
38
Boston Partners
Massachusetts
$1.53M -$4.16M -1,132,107 -73%
WC
39
Wexford Capital
Florida
$1.27M +$373K +101,577 +42%
Envestnet Asset Management
40
Envestnet Asset Management
Illinois
$1.21M +$150K +40,731 +14%
1CM
41
1492 Capital Management
Wisconsin
$1.19M – – –
Morgan Stanley
42
Morgan Stanley
New York
$1.1M +$659K +179,535 +149%
PHS
43
Pekin Hardy Strauss
Illinois
$1.08M +$1.08M +294,900 New
Bank of New York Mellon
44
Bank of New York Mellon
New York
$984K +$984K +268,028 New
UBS Group
45
UBS Group
Switzerland
$959K -$108K -29,482 -10%
Susquehanna International Group
46
Susquehanna International Group
Pennsylvania
$923K -$2.35M -641,275 -72%
CS
47
Cannell & Spears
New York
$918K +$275K +75,000 +43%
Invesco
48
Invesco
Georgia
$884K +$160K +43,691 +22%
Balyasny Asset Management
49
Balyasny Asset Management
Illinois
$825K +$825K +224,821 New
ACA
50
Arena Capital Advisors
California
$807K – – –
1
2
3 4 5

GSM Hedge Fund Activity: Q2 2025 in Review

129 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in FerroAtlántica (GSM) for Q2 2025, worth a combined $405M — up 6.8% from $379M a quarter earlier.

Buyers outnumbered sellers: 32 funds opened new GSM positions and 18 closed out — a net gain of 14 holders — while 44 added to existing stakes and 39 trimmed.

The largest buyer was BlackRock, adding an estimated $23.1M. The largest seller was Boston Partners, cutting an estimated $4.16M.

  • 129 institutional investors held FerroAtlántica (GSM) as of Q2 2025, up from 115 in Q1 2025.
  • Funds reported $405M of FerroAtlántica stock for Q2 2025, up 6.8% quarter-over-quarter.
  • 32 funds opened new FerroAtlántica positions in Q2 2025 and 18 closed out, a net change of +14 holders.
  • The largest FerroAtlántica buyer in Q2 2025 was BlackRock, an estimated $23.1M added.
  • The largest FerroAtlántica seller in Q2 2025 was Boston Partners, an estimated $4.16M sold.

Based on aggregated 13F filings for Q2 2025.