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Century Aluminum

325 hedge funds and large institutions have $3.91B invested in Century Aluminum in 2025 Q4 according to their latest regulatory filings, with 103 funds opening new positions, 107 increasing their positions, 92 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

268% more first-time investments, than exits

New positions opened: 103 | Existing positions closed: 28

199% more call options, than puts

Call options by funds: $190M | Put options by funds: $63.7M

86% more funds holding in top 10

Funds holding in top 10: 713 (+6)

38% more capital invested

Capital invested by funds: $2.83B → $3.91B (+$1.08B)

27% more funds holding

Funds holding: 255325 (+70)

16% more repeat investments, than reductions

Existing positions increased: 107 | Existing positions reduced: 92

3.67% more ownership

Funds ownership: 103.35%107.02% (+3.7%)

Holders
325
Holders Change
+70
Holders Change %
+27.45%
% of All Funds
3.95%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.16%
New
103
Increased
107
Reduced
92
Closed
28
Calls
$190M
Puts
$63.7M
Net Calls
+$127M
Net Calls Change
+$58M
Name Holding Trade Value Shares
Change
Change in
Stake
New York State Common Retirement Fund
126
New York State Common Retirement Fund
New York
$1.92M +$1.06M +33,777 +220%
Franklin Resources
127
Franklin Resources
California
$1.86M +$26K +832 +2%
GCP
128
GSA Capital Partners
United Kingdom
$1.83M +$830K +26,552 +132%
SIM
129
SummerHaven Investment Management
Connecticut
$1.7M
WG
130
Winton Group
United Kingdom
$1.67M -$197K -6,298 -13%
Jane Street
131
Jane Street
New York
$1.63M -$3.9M -124,728 -75%
LCM
132
Legato Capital Management
California
$1.61M +$1.28M +40,973 New
IMC Chicago
133
IMC Chicago
Illinois
$1.48M +$1.18M +37,790 New
Squarepoint
134
Squarepoint
New York
$1.46M -$221K -7,073 -16%
Royal Bank of Canada
135
Royal Bank of Canada
Ontario, Canada
$1.46M -$7.29M -233,278 -86%
Thrivent Financial for Lutherans
136
Thrivent Financial for Lutherans
Minnesota
$1.43M -$56.9K -1,822 -5%
LIP
137
Lighthouse Investment Partners
Florida
$1.37M +$329K +10,521 +43%
Capital Fund Management (CFM)
138
Capital Fund Management (CFM)
France
$1.35M +$1.08M +34,505 New
Bank of Montreal
139
Bank of Montreal
Ontario, Canada
$1.35M +$145K +4,647 +16%
SPC
140
Sigma Planning Corp
Michigan
$1.25M +$996K +31,870 New
SOADOR
141
State of Alaska Department of Revenue
Alaska
$1.2M +$13.8K +441 +1%
PCM
142
Polymer Capital Management
New York
$1.18M +$647K +20,703 +223%
Aberdeen Group
143
Aberdeen Group
United Kingdom
$1.17M +$78.9K +2,525 +9%
MIM
144
MetLife Investment Management
New Jersey
$1.16M -$55.7K -1,783 -6%
ONGA
145
O'Neil Global Advisors
California
$1.13M +$898K +28,741 New
VF
146
Virtu Financial
New York
$1.12M +$894K +28,614 New
OQS
147
Occudo Quantitative Strategies
Florida
$1.12M -$256K -8,191 -22%
IMRF
148
Illinois Municipal Retirement Fund
Illinois
$1.12M +$35.9K +1,150 +4%
N
149
Natixis
France
$1.1M +$877K +28,076 New
ET
150
Entropy Technologies
New York
$1.06M +$25.9K +830 +3%