We are live on ! Find out more
CENX icon

Century Aluminum

255 hedge funds and large institutions have $2.83B invested in Century Aluminum in 2025 Q3 according to their latest regulatory filings, with 68 funds opening new positions, 82 increasing their positions, 79 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

118% more call options, than puts

Call options by funds: $127M | Put options by funds: $58M

106% more first-time investments, than exits

New positions opened: 68 | Existing positions closed: 33

75% more funds holding in top 10

Funds holding in top 10: 47 (+3)

65% more capital invested

Capital invested by funds: $1.72B → $2.83B (+$1.11B)

15% more funds holding

Funds holding: 221255 (+34)

4% more repeat investments, than reductions

Existing positions increased: 82 | Existing positions reduced: 79

1% more ownership

Funds ownership: 102.35%103.35% (+1%)

Holders
255
Holders Change
+34
Holders Change %
+15.38%
% of All Funds
3.35%
Holding in Top 10
7
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+75%
% of All Funds
0.09%
New
68
Increased
82
Reduced
79
Closed
33
Calls
$127M
Puts
$58M
Net Calls
+$68.7M
Net Calls Change
+$42.8M
Name Holding Trade Value Shares
Change
Change in
Stake
HSBC Holdings
126
HSBC Holdings
United Kingdom
$731K -$624K -27,509 -52%
QL
127
Quarry LP
New York
$725K +$554K +24,449 +9,702%
LSERS
128
Louisiana State Employees Retirement System
Louisiana
$719K +$2.27K +100 +0.4%
LIP
129
Lighthouse Investment Partners
Florida
$719K -$1.11M -49,133 -67%
CP
130
CenterBook Partners
Connecticut
$705K +$544K +24,003 New
State Board of Administration of Florida Retirement System
131
State Board of Administration of Florida Retirement System
Florida
$682K
Janus Henderson Group
132
Janus Henderson Group
United Kingdom
$672K
GAM
133
Gotham Asset Management
New York
$663K +$135K +5,939 +36%
SSIM
134
Sheets Smith Investment Management
Texas
$652K +$503K +22,196 New
Allspring Global Investments
135
Allspring Global Investments
North Carolina
$640K +$494K +21,779 New
Wolverine Trading
136
Wolverine Trading
Illinois
$624K +$481K +21,227 New
SG Americas Securities
137
SG Americas Securities
New York
$606K +$249K +10,997 +114%
GCP
138
GSA Capital Partners
United Kingdom
$589K -$175K -7,723 -28%
XT
139
XTX Topco
Cayman Islands
$589K +$195K +8,588 +75%
HCM
140
Hodges Capital Management
Texas
$587K
Natixis Advisors
141
Natixis Advisors
Massachusetts
$583K +$18.1K +799 +4%
PA
142
Perennial Advisors
New York
$569K -$227K -10,000 -34%
Zurich Cantonal Bank
143
Zurich Cantonal Bank
Switzerland
$519K +$116K +5,107 +41%
SRL
144
Scientech Research LLC
New Jersey
$518K +$400K +17,660 New
MCM
145
Massar Capital Management
Connecticut
$506K +$391K +17,250 New
Citigroup
146
Citigroup
New York
$495K -$661K -29,184 -63%
VRS
147
Virginia Retirement Systems
Virginia
$490K -$220K -9,700 -37%
ASRS
148
Arizona State Retirement System
Arizona
$486K +$9.32K +411 +3%
YCM
149
Yousif Capital Management
Michigan
$483K -$66.5K -2,934 -15%
Comerica Bank
150
Comerica Bank
Texas
$476K -$59.7K -2,632 -14%

CENX Hedge Fund Activity: Q3 2025 in Review

255 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Century Aluminum (CENX) for Q3 2025, worth a combined $2.83B — up 65% from $1.72B a quarter earlier.

Buyers outnumbered sellers: 68 funds opened new CENX positions and 33 closed out — a net gain of 35 holders — while 82 added to existing stakes and 79 trimmed.

The largest buyer was Sourcerock Group, adding an estimated $27.6M. The largest seller was Wexford Capital, cutting an estimated $28.8M.

  • 255 institutional investors held Century Aluminum (CENX) as of Q3 2025, up from 221 in Q2 2025.
  • Funds reported $2.83B of Century Aluminum stock for Q3 2025, up 65% quarter-over-quarter.
  • 68 funds opened new Century Aluminum positions in Q3 2025 and 33 closed out, a net change of +35 holders.
  • The largest Century Aluminum buyer in Q3 2025 was Sourcerock Group, an estimated $27.6M added.
  • The largest Century Aluminum seller in Q3 2025 was Wexford Capital, an estimated $28.8M sold.

Based on aggregated 13F filings for Q3 2025.