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Century Aluminum

386 hedge funds and large institutions have $5.92B invested in Century Aluminum in 2026 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 128 increasing their positions, 122 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

215% more call options, than puts

Call options by funds: $162M | Put options by funds: $51.5M

163% more first-time investments, than exits

New positions opened: 108 | Existing positions closed: 41

51% more capital invested

Capital invested by funds: $3.91B → $5.92B (+$2.01B)

19% more funds holding

Funds holding: 325386 (+61)

5% more repeat investments, than reductions

Existing positions increased: 128 | Existing positions reduced: 122

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

5.01% less ownership

Funds ownership: 107.02%102% (-5%)

Holders
386
Holders Change
+61
Holders Change %
+18.77%
% of All Funds
4.75%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.16%
New
108
Increased
128
Reduced
122
Closed
41
Calls
$162M
Puts
$51.5M
Net Calls
+$111M
Net Calls Change
-$15.9M
Name Holding Trade Value Shares
Change
Change in
Stake
AAM
176
Alphadyne Asset Management
New York
$1.17M +$1M +20,000 New
WG
177
Winton Group
United Kingdom
$1.15M -$1.15M -23,014 -54%
FCM
178
Fieldview Capital Management
Michigan
$1.12M +$953K +19,000 New
State Board of Administration of Florida Retirement System
179
State Board of Administration of Florida Retirement System
Florida
$1.08M
CIA
180
Concurrent Investment Advisors
Florida
$1.05M -$251K -5,006 -22%
OAM
181
OP Asset Management
$1.04M +$887K +17,683 New
IWC
182
Integrated Wealth Concepts
Massachusetts
$937K +$800K +15,962 New
ASRS
183
Arizona State Retirement System
Arizona
$903K -$14.1K -281 -2%
PFSRSONJ
184
Police & Firemen's Retirement System of New Jersey
New Jersey
$901K +$44K +878 +6%
AB
185
Amalgamated Bank
New York
$898K -$7.02K -140 -0.9%
HCS
186
Himension Capital (Singapore)
Singapore
$897K -$500K -9,974 -40%
VOYA Investment Management
187
VOYA Investment Management
Georgia
$891K +$287K +5,724 +61%
VF
188
Virtu Financial
New York
$880K -$683K -13,616 -48%
HSBC Holdings
189
HSBC Holdings
United Kingdom
$860K +$139K +2,767 +24%
ECM
190
ExodusPoint Capital Management
New York
$857K -$7.04M -140,483 -91%
SSWM
191
Sheets Smith Wealth Management
North Carolina
$857K -$3.16K -63 -0.4%
ET
192
Entropy Technologies
New York
$856K -$620K -12,364 -46%
NEI
193
Northwest & Ethical Investments
Ontario, Canada
$851K +$661K +13,175 New
QT
194
Quantbot Technologies
New York
$844K -$4.94M -98,583 -87%
Los Angeles Capital Management
195
Los Angeles Capital Management
California
$843K +$703K +14,026 +4,113%
CFO
196
Callan Family Office
Pennsylvania
$840K -$20.8K -415 -3%
Fifth Third Bancorp
197
Fifth Third Bancorp
Ohio
$836K +$704K +14,036 +6,621%
YCM
198
Yousif Capital Management
Michigan
$834K -$3.76K -75 -0.5%
AC
199
Allstate Corporation
Illinois
$796K +$680K +13,570 New
SG Americas Securities
200
SG Americas Securities
New York
$794K -$361K -7,204 -35%