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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
G
1
Glencore
Switzerland
$1.18B +$64.6K +2,848 +0%
BlackRock
2
BlackRock
New York
$297M -$710K -31,317 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$172M +$1.71M +75,657 +1%
State Street
4
State Street
Massachusetts
$124M +$12.5M +552,270 +15%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$89.9M -$244K -10,750 -0.3%
SG
6
Sourcerock Group
Colorado
$77.5M +$27.6M +1,216,377 +85%
Citadel Advisors
7
Citadel Advisors
Florida
$44.2M -$9.45M -416,961 -22%
Mirae Asset Global ETFs Holdings
8
Mirae Asset Global ETFs Holdings
Hong Kong
$42.8M +$635K +27,999 +2%
Morgan Stanley
9
Morgan Stanley
New York
$42.1M +$13.2M +584,394 +69%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$38.7M +$415K +18,305 +1%
Boston Partners
11
Boston Partners
Massachusetts
$33.5M -$13.5M -594,007 -34%
Fisher Asset Management
12
Fisher Asset Management
Washington
$28.4M -$2.2M -97,010 -9%
UBS AM
13
UBS AM
Illinois
$25.2M +$10.8M +475,904 +124%
Invesco
14
Invesco
Georgia
$24.9M +$7.07M +312,056 +58%
Qube Research & Technologies (QRT)
15
Qube Research & Technologies (QRT)
United Kingdom
$24.2M +$6.39M +282,019 +52%
ECA
16
Encompass Capital Advisors
New York
$23.8M +$16M +706,627 +676%
Voloridge Investment Management
17
Voloridge Investment Management
Florida
$23.4M +$5.79M +255,328 +47%
American Century Companies
18
American Century Companies
Missouri
$22.5M +$13.9M +611,758 +392%
IAM
19
Impala Asset Management
Florida
$20.2M -$2.6M -114,894 -14%
MPM
20
Mountaineer Partners Management
New York
$19.4M -$1,000K -44,107 -6%
Goldman Sachs
21
Goldman Sachs
New York
$16.2M +$7.38M +325,389 +145%
Charles Schwab
22
Charles Schwab
California
$15.9M -$211K -9,293 -2%
Northern Trust
23
Northern Trust
Illinois
$15.2M +$222K +9,798 +2%
UBS Group
24
UBS Group
Switzerland
$13.9M -$1.57M -69,072 -13%
SCP
25
Steamboat Capital Partners
New York
$13.9M +$6.36M +280,548 +147%

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.