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Century Aluminum

325 hedge funds and large institutions have $3.91B invested in Century Aluminum in 2025 Q4 according to their latest regulatory filings, with 103 funds opening new positions, 107 increasing their positions, 92 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

268% more first-time investments, than exits

New positions opened: 103 | Existing positions closed: 28

199% more call options, than puts

Call options by funds: $190M | Put options by funds: $63.7M

86% more funds holding in top 10

Funds holding in top 10: 713 (+6)

38% more capital invested

Capital invested by funds: $2.83B → $3.91B (+$1.08B)

27% more funds holding

Funds holding: 255325 (+70)

16% more repeat investments, than reductions

Existing positions increased: 107 | Existing positions reduced: 92

3.67% more ownership

Funds ownership: 103.35%107.02% (+3.7%)

Holders
325
Holders Change
+70
Holders Change %
+27.45%
% of All Funds
3.95%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.16%
New
103
Increased
107
Reduced
92
Closed
28
Calls
$190M
Puts
$63.7M
Net Calls
+$127M
Net Calls Change
+$58M
Name Holding Trade Value Shares
Change
Change in
Stake
New York State Teachers Retirement System (NYSTRS)
101
New York State Teachers Retirement System (NYSTRS)
New York
$3.18M -$17.4K -557 -0.7%
Nomura Holdings
102
Nomura Holdings
Japan
$3.11M +$2.48M +79,343 New
HT
103
Headlands Technologies
Illinois
$3.03M +$179K +5,741 +8%
AllianceBernstein
104
AllianceBernstein
Tennessee
$2.95M +$284K +9,075 +14%
Envestnet Asset Management
105
Envestnet Asset Management
Illinois
$2.94M +$2.35M +75,125 New
HF
106
HRT Financial
New York
$2.88M +$2.3M +73,502 New
CM
107
CoreCommodity Management
Connecticut
$2.72M -$545K -17,448 -20%
LPL Financial
108
LPL Financial
California
$2.68M +$289K +9,252 +16%
AQR Capital Management
109
AQR Capital Management
Connecticut
$2.56M -$24K -768 -1%
MAM
110
Monaco Asset Management
Monaco
$2.55M -$3.24M -103,752 -61%
Parallax Volatility Advisers
111
Parallax Volatility Advisers
California
$2.4M +$678K +21,698 +55%
FBCM
112
Fort Baker Capital Management
California
$2.35M +$1.87M +60,000 New
AC
113
Aldebaran Capital
Indiana
$2.26M -$58.3K -1,865 -3%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
114
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$2.26M +$1.8M +57,600 New
SOW
115
State of Wyoming
Wyoming
$2.23M +$222K +7,101 +14%
Verition Fund Management
116
Verition Fund Management
Connecticut
$2.13M -$907K -29,038 -35%
SEI Investments
117
SEI Investments
Pennsylvania
$2.07M -$922K -29,521 -36%
T. Rowe Price Associates
118
T. Rowe Price Associates
Maryland
$2.03M +$69.3K +2,217 +4%
California State Teachers Retirement System (CalSTRS)
119
California State Teachers Retirement System (CalSTRS)
California
$2.01M -$562 -18 -0%
Federated Hermes
120
Federated Hermes
Pennsylvania
$1.98M +$1.09M +35,016 +227%
Prudential Financial
121
Prudential Financial
New Jersey
$1.97M -$244K -7,804 -13%
BCM
122
Beartown Capital Management
Michigan
$1.96M +$1.56M +50,000 New
AG
123
Algert Global
California
$1.94M -$136K -4,350 -8%
EGM
124
Engineers Gate Manager
New York
$1.94M -$73.6K -2,357 -5%
IIM
125
INTECH Investment Management
Florida
$1.93M -$935K -29,924 -38%