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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
Nomura Holdings
101
Nomura Holdings
Japan
$3.11M
HT
102
Headlands Technologies
Illinois
$3.03M
AllianceBernstein
103
AllianceBernstein
Tennessee
$2.95M
Envestnet Asset Management
104
Envestnet Asset Management
Illinois
$2.94M
HF
105
HRT Financial
New York
$2.88M
CM
106
CoreCommodity Management
Connecticut
$2.72M
LPL Financial
107
LPL Financial
California
$2.68M
AQR Capital Management
108
AQR Capital Management
Connecticut
$2.56M
MAM
109
Monaco Asset Management
Monaco
$2.55M
Parallax Volatility Advisers
110
Parallax Volatility Advisers
California
$2.4M
FBCM
111
Fort Baker Capital Management
California
$2.35M
AC
112
Aldebaran Capital
Indiana
$2.26M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
113
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.26M
SOW
114
State of Wyoming
Wyoming
$2.23M
Verition Fund Management
115
Verition Fund Management
Connecticut
$2.13M
SEI Investments
116
SEI Investments
Pennsylvania
$2.07M
T. Rowe Price Associates
117
T. Rowe Price Associates
Maryland
$2.03M
California State Teachers Retirement System (CalSTRS)
118
California State Teachers Retirement System (CalSTRS)
California
$2.01M
Federated Hermes
119
Federated Hermes
Pennsylvania
$1.98M
Prudential Financial
120
Prudential Financial
New Jersey
$1.97M
BCM
121
Beartown Capital Management
Michigan
$1.96M
AG
122
Algert Global
California
$1.94M
EGM
123
Engineers Gate Manager
New York
$1.94M
IIM
124
INTECH Investment Management
Florida
$1.93M
New York State Common Retirement Fund
125
New York State Common Retirement Fund
New York
$1.92M