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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
VIA
201
Vanguard Investments Australia
Australia
$785K +$670K +13,368 New
VPIM
202
Vanguard Personalized Indexing Management
California
$779K +$136K +2,712 +26%
COPPSERS
203
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$772K -$752 -15 -0.1%
Lido Advisors
204
Lido Advisors
California
$768K +$9.02K +180 +1%
QCM
205
Quantinno Capital Management
New York
$763K +$130K +2,601 +25%
PA
206
Perennial Advisors
New York
$755K -$326K -6,500 -34%
IMC Chicago
207
IMC Chicago
Illinois
$744K -$1.26M -25,110 -66%
OIM
208
Oceanic Investment Management
Isle Of Man
$737K -$674K -13,435 -52%
Massachusetts Financial Services
209
Massachusetts Financial Services
Massachusetts
$733K +$627K +12,497 New
Jones Financial Companies
210
Jones Financial Companies
Missouri
$729K +$724K +14,443 +6,172%
KK
211
KLP Kapitalforvaltning
Norway
$728K +$20.1K +400 +3%
CAM
212
Chesapeake Asset Management
New York
$720K -$37.9K -755 -6%
OPERF
213
Oregon Public Employees Retirement Fund
Oregon
$714K -$1.96K -39 -0.3%
BNP Paribas Asset Management
214
BNP Paribas Asset Management
France
$706K +$526K +10,487 +680%
Pathstone Holdings
215
Pathstone Holdings
New Jersey
$695K +$32.2K +642 +6%
Marshall Wace
216
Marshall Wace
United Kingdom
$690K +$243K +4,842 +70%
CMF
217
Counterpoint Mutual Funds
California
$680K +$581K +11,586 New
Commonwealth Equity Services
218
Commonwealth Equity Services
Massachusetts
$650K +$60.8K +1,213 +12%
PAS
219
Park Avenue Securities
New York
$646K -$29.3K -584 -5%
Mercer Global Advisors
220
Mercer Global Advisors
Colorado
$627K +$77.6K +1,548 +17%
GCP
221
GSA Capital Partners
United Kingdom
$625K -$1.8M -35,959 -77%
AC
222
AXQ Capital
New Jersey
$624K +$533K +10,627 New
Public Employees Retirement Association of Colorado
223
Public Employees Retirement Association of Colorado
Colorado
$614K +$525K +10,465 New
FIC
224
FCG Investment Company
Tennessee
$611K +$522K +10,409 New
PCM
225
Polymer Capital Management
New York
$587K -$1M -20,000 -67%