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Century Aluminum
CENX

Overview Fund Activity

220 hedge funds and large institutions have $1.72B invested in Century Aluminum in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 87 increasing their positions, 72 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
220
Holders Change
+3
Holders Change %
+1.38%
% of All Funds
2.95%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
43
Increased
87
Reduced
72
Closed
36
Calls
$61.4M
Puts
$35.5M
Net Calls
+$25.9M
Net Calls Change
-$8.97M

Top Buyers

1
Boston Partners
Boston Partners
Massachusetts
$31.2M
2
SG
Sourcerock Group
Colorado
$25.7M
3
Marshall Wace
Marshall Wace
United Kingdom
$9.4M
4
Millennium Management
Millennium Management
New York
$9.24M
5
State Street
State Street
Massachusetts
$66.1M

Top Sellers

1
PP
Pertento Partners
United Kingdom
$0
2
NL
Nuveen LLC
North Carolina
$2.14M
3
ECA
Encompass Capital Advisors
New York
$1.88M
4
PCM
Penn Capital Management
Pennsylvania
$0
5
Invesco
Invesco
Georgia
$9.69M
Name Holding Trade Value Shares
Change 		Shares
Change %
Teacher Retirement System of Texas
101
Teacher Retirement System of Texas
Texas
$714K +$112K +6,216 +19%
ECM
102
ExodusPoint Capital Management
New York
$710K +$710K +39,410 New
Thrivent Financial for Lutherans
103
Thrivent Financial for Lutherans
Minnesota
$692K +$4.49K +249 +0.7%
FRM
104
Fox Run Management
Connecticut
$641K +$641K +35,546 New
ORP
105
Orion Resource Partners
New York
$615K +$413K +22,942 +205%
HF
106
HRT Financial
New York
$567K -$272K -15,124 -32%
MIM
107
MetLife Investment Management
New Jersey
$564K -$5.05K -280 -0.9%
SOADOR
108
State of Alaska Department of Revenue
Alaska
$560K +$41.9K +2,329 +8%
PA
109
Perennial Advisors
New York
$529K – – –
GCP
110
GSA Capital Partners
United Kingdom
$501K -$1.25M -69,116 -71%
VI
111
Versor Investments
New York
$499K -$40.3K -2,234 -7%
VRS
112
Virginia Retirement Systems
Virginia
$476K -$5.41K -300 -1%
TSS
113
Two Sigma Securities
New York
$467K +$467K +25,943 New
TSW
114
Three Seasons Wealth
Utah
$451K +$451K +25,036 New
LSERS
115
Louisiana State Employees Retirement System
Louisiana
$440K -$1.8K -100 -0.4%
CIM
116
Cambria Investment Management
California
$430K -$11.9K -663 -3%
PCM
117
Polymer Capital Management
New York
$423K -$39.6K -2,197 -9%
State Board of Administration of Florida Retirement System
118
State Board of Administration of Florida Retirement System
Florida
$418K – – –
Janus Henderson Group
119
Janus Henderson Group
United Kingdom
$413K – – –
IMRF
120
Illinois Municipal Retirement Fund
Illinois
$409K -$56.5K -3,133 -12%
Federated Hermes
121
Federated Hermes
Pennsylvania
$405K -$774K -42,944 -66%
N
122
Numerai
California
$388K +$388K +21,525 New
PAS
123
Park Avenue Securities
New York
$381K +$4.24K +235 +1%
SEI Investments
124
SEI Investments
Pennsylvania
$377K -$48K -2,664 -11%
HCM
125
Hodges Capital Management
Texas
$360K – – –
3 4
5
6 7