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Century Aluminum

381 hedge funds and large institutions have $5.9B invested in Century Aluminum in 2026 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 124 increasing their positions, 121 reducing their positions, and 42 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

2% more repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 121

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

5.35% less ownership

Funds ownership: 106.91%101.56% (-5.4%)

Holders
381
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
$162M
Puts
$51.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SSA
151
Schonfeld Strategic Advisors
New York
$1.7M
Canada Pension Plan Investment Board
152
Canada Pension Plan Investment Board
Ontario, Canada
$1.67M
Manulife (Manufacturers Life Insurance)
153
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.64M
Royal Bank of Canada
154
Royal Bank of Canada
Ontario, Canada
$1.63M
CM
155
CoreCommodity Management
Connecticut
$1.59M
TRSOTSOK
156
Teachers Retirement System of the State of Kentucky
Kentucky
$1.58M
Citigroup
157
Citigroup
New York
$1.54M
HIS
158
Harvest Investment Services
Illinois
$1.51M
Aberdeen Group
159
Aberdeen Group
United Kingdom
$1.5M
VGA
160
Vanguard Global Advisers
Pennsylvania
$1.45M
IMRF
161
Illinois Municipal Retirement Fund
Illinois
$1.42M
LSERS
162
Louisiana State Employees Retirement System
Louisiana
$1.39M
LIP
163
Lighthouse Investment Partners
Florida
$1.37M
Janus Henderson Group
164
Janus Henderson Group
United Kingdom
$1.35M
RP
165
Riverwater Partners
Wisconsin
$1.33M
SPC
166
Sigma Planning Corp
Michigan
$1.3M
State of Tennessee, Department of Treasury
167
State of Tennessee, Department of Treasury
Tennessee
$1.24M
MML Investors Services
168
MML Investors Services
Massachusetts
$1.22M
Truist Financial
169
Truist Financial
North Carolina
$1.21M
SRL
170
Scientech Research LLC
New Jersey
$1.2M
XT
171
XTX Topco
Cayman Islands
$1.18M
HCM
172
Hodges Capital Management
Texas
$1.17M
AAM
173
Alphadyne Asset Management
New York
$1.17M
WG
174
Winton Group
United Kingdom
$1.15M
FCM
175
Fieldview Capital Management
Michigan
$1.12M