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Century Aluminum

255 hedge funds and large institutions have $2.83B invested in Century Aluminum in 2025 Q3 according to their latest regulatory filings, with 68 funds opening new positions, 82 increasing their positions, 79 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

118% more call options, than puts

Call options by funds: $127M | Put options by funds: $58M

106% more first-time investments, than exits

New positions opened: 68 | Existing positions closed: 33

75% more funds holding in top 10

Funds holding in top 10: 47 (+3)

65% more capital invested

Capital invested by funds: $1.72B → $2.83B (+$1.11B)

15% more funds holding

Funds holding: 221255 (+34)

4% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 79

1% more ownership

Funds ownership: 102.35%103.35% (+1%)

Holders
255
Holders Change
+34
Holders Change %
+15.38%
% of All Funds
3.35%
Holding in Top 10
7
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+75%
% of All Funds
0.09%
New
68
Increased
82
Reduced
79
Closed
33
Calls
$127M
Puts
$58M
Net Calls
+$68.7M
Net Calls Change
+$42.8M
Name Holding Trade Value Shares
Change
Change in
Stake
IWC
151
Integrated Wealth Concepts
Massachusetts
$473K -$34.8K -1,536 -9%
Federated Hermes
152
Federated Hermes
Pennsylvania
$453K -$160K -7,038 -31%
AB
153
Amalgamated Bank
New York
$451K +$12.4K +548 +4%
New York State Common Retirement Fund
154
New York State Common Retirement Fund
New York
$451K
OAM
155
Oxford Asset Management
United Kingdom
$444K +$342K +15,108 New
TRSOTSOK
156
Teachers Retirement System of the State of Kentucky
Kentucky
$435K -$70.5K -3,109 -17%
CFO
157
Callan Family Office
Pennsylvania
$432K
PFSRSONJ
158
Police & Firemen's Retirement System of New Jersey
New Jersey
$425K +$57.1K +2,521 +21%
JF
159
Jump Financial
Illinois
$423K -$1.14M -50,486 -78%
Neuberger Berman Group
160
Neuberger Berman Group
New York
$400K -$8.27K -365 -3%
COPPSERS
161
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$398K +$3.04K +134 +1%
Lido Advisors
162
Lido Advisors
California
$373K +$3.2K +141 +1%
TSW
163
Three Seasons Wealth
Utah
$371K -$281K -12,397 -50%
State of Tennessee, Department of Treasury
164
State of Tennessee, Department of Treasury
Tennessee
$371K
OPERF
165
Oregon Public Employees Retirement Fund
Oregon
$352K
Creative Planning
166
Creative Planning
Kansas
$328K +$253K +11,163 New
Pathstone Holdings
167
Pathstone Holdings
New Jersey
$327K +$253K +11,152 New
KK
168
KLP Kapitalforvaltning
Norway
$320K
VPIM
169
Vanguard Personalized Indexing Management
California
$313K -$13.3K -588 -5%
PAS
170
Park Avenue Securities
New York
$301K -$247K -10,889 -52%
QCM
171
Quantinno Capital Management
New York
$299K +$230K +10,168 New
Commonwealth Equity Services
172
Commonwealth Equity Services
Massachusetts
$295K +$227K +10,032 New
A
173
AlphaQuest
New York
$293K -$21.9K -966 -9%
ProShare Advisors
174
ProShare Advisors
Maryland
$292K -$38.6K -1,705 -15%
PA
175
PharVision Advisers
Florida
$290K +$224K +9,879 New

CENX Hedge Fund Activity: Q3 2025 in Review

255 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Century Aluminum (CENX) for Q3 2025, worth a combined $2.83B — up 65% from $1.72B a quarter earlier.

Buyers outnumbered sellers: 68 funds opened new CENX positions and 33 closed out — a net gain of 35 holders — while 82 added to existing stakes and 79 trimmed.

The largest buyer was Sourcerock Group, adding an estimated $27.6M. The largest seller was Wexford Capital, cutting an estimated $28.8M.

  • 255 institutional investors held Century Aluminum (CENX) as of Q3 2025, up from 221 in Q2 2025.
  • Funds reported $2.83B of Century Aluminum stock for Q3 2025, up 65% quarter-over-quarter.
  • 68 funds opened new Century Aluminum positions in Q3 2025 and 33 closed out, a net change of +35 holders.
  • The largest Century Aluminum buyer in Q3 2025 was Sourcerock Group, an estimated $27.6M added.
  • The largest Century Aluminum seller in Q3 2025 was Wexford Capital, an estimated $28.8M sold.

Based on aggregated 13F filings for Q3 2025.