Century Aluminum
CENX
164 hedge funds and large institutions have $844M invested in Century Aluminum in 2021 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 50 increasing their positions, 58 reducing their positions, and 17 closing their positions.
183% more call options, than puts
Call options by funds: $15.9M | Put options by funds: $5.62M
94% more first-time investments, than exits
New positions opened: 33 | Existing positions closed: 17
25% more capital invested
Capital invested by funds: $674M → $844M (+$170M)
11% more funds holding
Funds holding: 148 → 164 (+16)
1.12% more ownership
Funds ownership: 55.68% → 56.8% (+1.1%)
14% less repeat investments, than reductions
Existing positions increased: 50 | Existing positions reduced: 58
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
+$11.9M |
| 2 |
Invesco
Atlanta,
Georgia
|
+$10.9M |
| 3 |
MPM
Mountaineer Partners Management
New York
|
+$10.2M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$8.41M |
| 5 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$7.79M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MRCP
Maple Rock Capital Partners
Toronto,
Ontario, Canada
|
-$14.5M |
| 2 |
Millennium Management
New York
|
-$7.99M |
| 3 |
IAM
Impala Asset Management
Palm Beach,
Florida
|
-$6.16M |
| 4 |
Two Sigma Investments
New York
|
-$3.66M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$3.28M |
CENX Hedge Fund Activity: Q4 2021 in Review
164 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Century Aluminum (CENX) for Q4 2021, worth a combined $844M — up 25% from $674M a quarter earlier.
Buyers outnumbered sellers: 33 funds opened new CENX positions and 17 closed out — a net gain of 16 holders — while 50 added to existing stakes and 58 trimmed.
The largest buyer was William Blair Investment Management, adding an estimated $11.9M. The largest seller was Maple Rock Capital Partners, exiting entirely with an estimated $14.5M sold.
- 164 institutional investors held Century Aluminum (CENX) as of Q4 2021, up from 148 in Q3 2021.
- Funds reported $844M of Century Aluminum stock for Q4 2021, up 25% quarter-over-quarter.
- 33 funds opened new Century Aluminum positions in Q4 2021 and 17 closed out, a net change of +16 holders.
- The largest Century Aluminum buyer in Q4 2021 was William Blair Investment Management, an estimated $11.9M added.
- The largest Century Aluminum seller in Q4 2021 was Maple Rock Capital Partners, an estimated $14.5M sold.
Based on aggregated 13F filings for Q4 2021.