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Century Aluminum

322 hedge funds and large institutions have $3.91B invested in Century Aluminum in 2025 Q4 according to their latest regulatory filings, with 102 funds opening new positions, 107 increasing their positions, 90 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

27% more funds holding

Funds holding: 254322 (+68)

19% more repeat investments, than reductions

Existing positions increased: 107 | Existing positions reduced: 90

3.55% more ownership

Funds ownership: 103.35%106.9% (+3.6%)

Holders
322
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$190M
Puts
$63.7M
Net Calls
Net Calls Change

Top Buyers

1 +$34.2M
2 +$30.9M
3 +$30.7M
4
Millennium Management
Millennium Management
New York
+$30.5M
5
UBS Group
UBS Group
Switzerland
+$19.9M

Top Sellers

1 -$127M
2 -$25.3M
3 -$20.1M
4
Boston Partners
Boston Partners
Massachusetts
-$16.9M
5
ECA
Encompass Capital Advisors
New York
-$9.73M
Name Holding Trade Value Shares
Change
Change in
Stake
OIM
151
Oceanic Investment Management
Isle Of Man
$1.02M
Manulife (Manufacturers Life Insurance)
152
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.01M
HCS
153
Himension Capital (Singapore)
Singapore
$989K
SRL
154
Scientech Research LLC
New Jersey
$967K
LOAMU
155
Lombard Odier Asset Management (USA)
New York
$966K
LSERS
156
Louisiana State Employees Retirement System
Louisiana
$956K
Natixis Advisors
157
Natixis Advisors
Massachusetts
$937K
RL
158
Ruffer LLP
United Kingdom
$936K
Teacher Retirement System of Texas
159
Teacher Retirement System of Texas
Texas
$910K
PCM
160
Prelude Capital Management
New York
$908K
MML Investors Services
161
MML Investors Services
Massachusetts
$908K
CIA
162
Concurrent Investment Advisors
Florida
$899K
Janus Henderson Group
163
Janus Henderson Group
United Kingdom
$898K
QC
164
Quadrature Capital
United Kingdom
$865K
State of Tennessee, Department of Treasury
165
State of Tennessee, Department of Treasury
Tennessee
$851K
CIM
166
Cambria Investment Management
California
$819K
SG Americas Securities
167
SG Americas Securities
New York
$812K
Creative Planning
168
Creative Planning
Kansas
$786K
HCM
169
Hodges Capital Management
Texas
$784K
PA
170
Perennial Advisors
New York
$759K
State Board of Administration of Florida Retirement System
171
State Board of Administration of Florida Retirement System
Florida
$721K
GCM
172
Graham Capital Management
Connecticut
$703K
YCM
173
Yousif Capital Management
Michigan
$684K
AC
174
Aristeia Capital
Connecticut
$647K
Osaic Holdings
175
Osaic Holdings
Arizona
$638K