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Century Aluminum

251 hedge funds and large institutions have $2.83B invested in Century Aluminum in 2025 Q3 according to their latest regulatory filings, with 64 funds opening new positions, 82 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: $ → $

14% more funds holding

Funds holding: 221251 (+30)

4% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 79

0.88% more ownership

Funds ownership: 102.46%103.34% (+0.88%)

Holders
251
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
HSBC Holdings
126
HSBC Holdings
United Kingdom
$731K
QL
127
Quarry LP
New York
$725K
LSERS
128
Louisiana State Employees Retirement System
Louisiana
$719K
LIP
129
Lighthouse Investment Partners
Florida
$719K
CP
130
CenterBook Partners
Connecticut
$705K
State Board of Administration of Florida Retirement System
131
State Board of Administration of Florida Retirement System
Florida
$682K
Janus Henderson Group
132
Janus Henderson Group
United Kingdom
$672K
GAM
133
Gotham Asset Management
New York
$663K
SSIM
134
Sheets Smith Investment Management
Texas
$652K
Allspring Global Investments
135
Allspring Global Investments
North Carolina
$640K
Wolverine Trading
136
Wolverine Trading
Illinois
$624K
SG Americas Securities
137
SG Americas Securities
New York
$606K
GCP
138
GSA Capital Partners
United Kingdom
$589K
XT
139
XTX Topco
Cayman Islands
$589K
HCM
140
Hodges Capital Management
Texas
$587K
Natixis Advisors
141
Natixis Advisors
Massachusetts
$583K
PA
142
Perennial Advisors
New York
$569K
Zurich Cantonal Bank
143
Zurich Cantonal Bank
Switzerland
$519K
SRL
144
Scientech Research LLC
New Jersey
$518K
MCM
145
Massar Capital Management
Connecticut
$506K
Citigroup
146
Citigroup
New York
$495K
VRS
147
Virginia Retirement Systems
Virginia
$490K
ASRS
148
Arizona State Retirement System
Arizona
$486K
YCM
149
Yousif Capital Management
Michigan
$483K
Comerica Bank
150
Comerica Bank
Texas
$476K