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Century Aluminum

250 hedge funds and large institutions have $2.83B invested in Century Aluminum in 2025 Q3 according to their latest regulatory filings, with 63 funds opening new positions, 81 increasing their positions, 79 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

13% more funds holding

Funds holding: 221250 (+29)

3% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 79

0.88% more ownership

Funds ownership: 102.46%103.33% (+0.88%)

Holders
250
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$127M
Puts
$58M
Net Calls
Net Calls Change

Top Buyers

1 +$35.7M
2 +$20.7M
3 +$18M
4
Morgan Stanley
Morgan Stanley
New York
+$17.2M
5
State Street
State Street
Massachusetts
+$16.2M

Top Sellers

1 -$37.3M
2 -$31.4M
3 -$23.1M
4
Bank of America
Bank of America
North Carolina
-$17.8M
5
Boston Partners
Boston Partners
Massachusetts
-$17.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Franklin Resources
101
Franklin Resources
California
$1.37M
Canada Life
102
Canada Life
Manitoba, Canada
$1.32M
SSA
103
Schonfeld Strategic Advisors
New York
$1.3M
Squarepoint
104
Squarepoint
New York
$1.3M
SIM
105
SummerHaven Investment Management
Connecticut
$1.28M
SBH
106
Segall Bryant & Hamill
Illinois
$1.22M
Parallax Volatility Advisers
107
Parallax Volatility Advisers
California
$1.16M
Thrivent Financial for Lutherans
108
Thrivent Financial for Lutherans
Minnesota
$1.13M
OQS
109
Occudo Quantitative Strategies
Florida
$1.08M
N
110
Numerai
California
$998K
QT
111
Quantbot Technologies
New York
$993K
NCFG
112
New Century Financial Group
New Jersey
$987K
Teacher Retirement System of Texas
113
Teacher Retirement System of Texas
Texas
$976K
Group One Trading
114
Group One Trading
Illinois
$948K
CIP
115
Convergence Investment Partners
Florida
$942K
MIM
116
MetLife Investment Management
New Jersey
$919K
SOADOR
117
State of Alaska Department of Revenue
Alaska
$884K
OAC
118
OMERS Administration Corp
Ontario, Canada
$884K
Bank of Montreal
119
Bank of Montreal
Ontario, Canada
$876K
IMRF
120
Illinois Municipal Retirement Fund
Illinois
$804K
Aberdeen Group
121
Aberdeen Group
United Kingdom
$801K
ET
122
Entropy Technologies
New York
$767K
PA
123
PFG Advisors
Arizona
$761K
Manulife (Manufacturers Life Insurance)
124
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$739K
HSBC Holdings
125
HSBC Holdings
United Kingdom
$731K