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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
+$24.1M
2
SG
Sourcerock Group
Colorado
+$22.1M
3
Marshall Wace
Marshall Wace
United Kingdom
+$9.4M
4
Millennium Management
Millennium Management
New York
+$8.63M
5
State Street
State Street
Massachusetts
+$7.68M

Top Sellers

1
PP
Pertento Partners
United Kingdom
-$13.6M
2
NL
Nuveen LLC
North Carolina
-$12.2M
3
ECA
Encompass Capital Advisors
New York
-$11.6M
4
PCM
Penn Capital Management
Pennsylvania
-$9.63M
5
Invesco
Invesco
Georgia
-$7.18M
Name Holding Trade Value Shares
Change 		Shares
Change %
Northern Trust
26
Northern Trust
Illinois
$9.16M -$329K -18,276 -3%
SDIC
27
South Dakota Investment Council
South Dakota
$7.9M +$2.88M +159,745 +57%
UBS AM
28
UBS AM
Illinois
$6.92M +$4.69M +259,995 +210%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$6.19M +$9.77K +542 +0.2%
First Eagle Investment Management
30
First Eagle Investment Management
New York
$6.09M -$487K -27,000 -7%
IA
31
Icon Advisers
Colorado
$5.86M +$5.86M +325,200 New
Adage Capital Partners
32
Adage Capital Partners
Massachusetts
$5.23M +$631K +35,000 +14%
Verition Fund Management
33
Verition Fund Management
Connecticut
$5.13M +$4.51M +250,080 +728%
Royal Bank of Canada
34
Royal Bank of Canada
Ontario, Canada
$5.12M +$4.91M +272,355 +2,344%
D.E. Shaw & Co
35
D.E. Shaw & Co
New York
$4.84M +$4.33M +240,289 +847%
CA
36
CSM Advisors
Pennsylvania
$4.72M +$4.72M +261,953 New
Principal Financial Group
37
Principal Financial Group
Iowa
$4.67M -$1.22M -67,584 -21%
Squarepoint
38
Squarepoint
New York
$4.55M +$2.65M +147,087 +140%
Russell Investments Group
39
Russell Investments Group
United Kingdom
$4.51M +$2.18M +120,950 +93%
Balyasny Asset Management
40
Balyasny Asset Management
Illinois
$4.45M +$1.23M +68,168 +38%
BAM
41
Bastion Asset Management
Canada
$4.25M +$1.39M +78,049 +48%
MAM
42
Monaco Asset Management
Monaco
$4.14M +$1.67M +92,500 +67%
Goldman Sachs
43
Goldman Sachs
New York
$4.05M -$2.79M -154,634 -41%
TCM
44
Thomist Capital Management
Texas
$4M +$3.32M +184,100 +489%
CAM
45
Congress Asset Management
Massachusetts
$3.91M -$342 -19 -0%
CM
46
CoreCommodity Management
Connecticut
$3.67M +$1.18M +65,286 +47%
State of Wisconsin Investment Board
47
State of Wisconsin Investment Board
Wisconsin
$3.67M +$934K +51,817 +34%
Assenagon Asset Management
48
Assenagon Asset Management
Luxembourg
$3.62M -$1.75M -96,882 -33%
Cohen & Steers
49
Cohen & Steers
New York
$3.53M -$115K -6,380 -3%
HP
50
Hartree Partners
New York
$3.52M +$3.52M +195,227 New
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