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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
Cerity Partners
226
Cerity Partners
New York
$584K +$498K +9,943 New
TI
227
Tidal Investments
Wisconsin
$577K +$493K +9,828 New
Schroder Investment Management Group
228
Schroder Investment Management Group
United Kingdom
$564K +$49K +978 +10%
Pictet Asset Management
229
Pictet Asset Management
Switzerland
$563K +$3.66K +73 +0.8%
RF
230
Rossby Financial
Florida
$553K -$17.5K -350 -4%
AC
231
Aristeia Capital
Connecticut
$548K -$360K -7,183 -43%
ORG
232
Optimist Retirement Group
Washington
$530K +$453K +9,037 New
Osaic Holdings
233
Osaic Holdings
Arizona
$529K -$364K -7,255 -45%
ProShare Advisors
234
ProShare Advisors
Maryland
$517K -$73K -1,457 -14%
IFG
235
Independent Financial Group
California
$490K +$419K +8,350 New
CIAM
236
Caitong International Asset Management
Hong Kong
$470K +$401K +8,005 New
Acadian Asset Management
237
Acadian Asset Management
Massachusetts
$464K +$398K +7,947 New
SGI
238
Summit Global Investments
Utah
$462K +$12.1K +241 +3%
MSRPS
239
Maryland State Retirement & Pension System
Maryland
$455K
LCM
240
Landscape Capital Management
New Jersey
$452K +$386K +7,707 New
Stifel Financial
241
Stifel Financial
Missouri
$449K -$45K -897 -10%
HighTower Advisors
242
HighTower Advisors
Illinois
$446K +$381K +7,593 New
Hudson Bay Capital Management
243
Hudson Bay Capital Management
Connecticut
$438K +$375K +7,471 New
MF
244
Magnetar Financial
Illinois
$436K +$373K +7,437 New
RG
245
Renaissance Group
Kentucky
$435K +$372K +7,415 New
SLAM
246
Swiss Life Asset Management
$420K +$359K +7,161 New
N
247
Numerai
California
$417K -$212K -4,233 -37%
EF
248
Empowered Funds
Pennsylvania
$404K +$345K +6,880 New
SC
249
Savant Capital
Illinois
$399K +$26.2K +523 +8%
TRCT
250
Tower Research Capital (TRC)
New York
$394K +$161K +3,208 +91%