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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.

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

Top Sellers

1
PP
1
Pertento Partners
United Kingdom
$0
2
NL
2
Nuveen LLC
North Carolina
$2.14M
3
ECA
3
Encompass Capital Advisors
New York
$1.88M
4
PCM
4
Penn Capital Management
Pennsylvania
$0
5
Invesco
5
Invesco
Georgia
$9.69M
Name Holding Trade Value Shares
Change 		Shares
Change %
CCIA
126
Campbell & Co Investment Adviser
Maryland
$358K -$611K -33,907 -63%
Manulife (Manufacturers Life Insurance)
127
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$351K +$5.06K +281 +1%
YCM
128
Yousif Capital Management
Michigan
$349K -$955 -53 -0.3%
Natixis Advisors
129
Natixis Advisors
Massachusetts
$343K +$28.3K +1,574 +9%
1C
130
111 Capital
France
$341K +$341K +18,909 New
Comerica Bank
131
Comerica Bank
Texas
$340K -$1.77K -98 -0.5%
TRSOTSOK
132
Teachers Retirement System of the State of Kentucky
Kentucky
$323K – – –
IWC
133
Integrated Wealth Concepts
Massachusetts
$318K +$6.38K +354 +2%
GAM
134
Gotham Asset Management
New York
$300K +$300K +16,647 New
ASRS
135
Arizona State Retirement System
Arizona
$291K +$3.84K +213 +1%
New York State Common Retirement Fund
136
New York State Common Retirement Fund
New York
$276K -$6.2M -344,523 -96%
MSRPS
137
Maryland State Retirement & Pension System
Maryland
$274K – – –
HT
138
Headlands Technologies
Illinois
$270K +$127K +7,070 +89%
AB
139
Amalgamated Bank
New York
$267K – – –
CFO
140
Callan Family Office
Pennsylvania
$265K +$265K +14,706 New
Cambridge Investment Research Advisors
141
Cambridge Investment Research Advisors
Iowa
$262K -$487K -27,066 -65%
VOYA Investment Management
142
VOYA Investment Management
Georgia
$259K +$2.52K +140 +1%
Neuberger Berman Group
143
Neuberger Berman Group
New York
$252K +$56.6K +3,142 +29%
IFU
144
iSAM Funds (UK)
United Kingdom
$248K +$248K +13,754 New
COPPSERS
145
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$242K +$17.6K +979 +8%
Aberdeen Group
146
Aberdeen Group
United Kingdom
$235K +$235K +13,044 New
State of Tennessee, Department of Treasury
147
State of Tennessee, Department of Treasury
Tennessee
$227K -$184K -10,200 -45%
Lido Advisors
148
Lido Advisors
California
$227K +$227K +12,574 New
Zurich Cantonal Bank
149
Zurich Cantonal Bank
Switzerland
$227K -$178K -9,870 -44%
TRCT
150
Tower Research Capital (TRC)
New York
$218K +$197K +10,957 +964%
4 5
6
7 8