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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
Franklin Resources
101
Franklin Resources
California
$1.37M +$36.8K +1,624 +4%
Canada Life
102
Canada Life
Manitoba, Canada
$1.32M -$76K -3,353 -7%
SSA
103
Schonfeld Strategic Advisors
New York
$1.3M +$1.01M +44,348 New
Squarepoint
104
Squarepoint
New York
$1.3M -$4.72M -208,039 -82%
SIM
105
SummerHaven Investment Management
Connecticut
$1.28M +$985K +43,479 New
SBH
106
Segall Bryant & Hamill
Illinois
$1.22M +$942K +41,569 New
Parallax Volatility Advisers
107
Parallax Volatility Advisers
California
$1.16M +$898K +39,616 New
Thrivent Financial for Lutherans
108
Thrivent Financial for Lutherans
Minnesota
$1.13M -$861 -38 -0.1%
OQS
109
Occudo Quantitative Strategies
Florida
$1.08M +$833K +36,739 New
N
110
Numerai
California
$998K +$283K +12,472 +58%
QT
111
Quantbot Technologies
New York
$993K -$171K -7,551 -18%
NCFG
112
New Century Financial Group
New Jersey
$987K +$762K +33,623 New
Teacher Retirement System of Texas
113
Teacher Retirement System of Texas
Texas
$976K -$145K -6,381 -16%
Group One Trading
114
Group One Trading
Illinois
$948K +$732K +32,275 New
CIP
115
Convergence Investment Partners
Florida
$942K +$727K +32,078 New
MIM
116
MetLife Investment Management
New Jersey
$919K
SOADOR
117
State of Alaska Department of Revenue
Alaska
$884K -$21.8K -961 -3%
OAC
118
OMERS Administration Corp
Ontario, Canada
$884K +$682K +30,100 New
CIM
119
Cambria Investment Management
California
$876K +$135K +5,967 +25%
Bank of Montreal
120
Bank of Montreal
Ontario, Canada
$876K -$234K -10,337 -26%
IMRF
121
Illinois Municipal Retirement Fund
Illinois
$804K +$106K +4,661 +21%
Aberdeen Group
122
Aberdeen Group
United Kingdom
$801K +$323K +14,253 +109%
ET
123
Entropy Technologies
New York
$767K +$592K +26,123 New
PA
124
PFG Advisors
Arizona
$761K +$587K +25,911 New
Manulife (Manufacturers Life Insurance)
125
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$739K +$129K +5,686 +29%

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.