Jane Street’s Century Aluminum CENX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $3.75M | Sell |
81,564
-1,239,378
| -94% | -$74.6M | ﹤0.01% | 4148 |
|
|
2026
Q1 | $77.5M | Buy |
1,320,942
+1,279,424
| +3,082% | +$64.1M | 0.01% | 778 |
|
|
2025
Q4 | $1.63M | Sell |
41,518
-124,728
| -75% | -$3.9M | ﹤0.01% | 5198 |
|
|
2025
Q3 | $4.88M | Buy |
166,246
+11,640
| +8% | +$264K | ﹤0.01% | 3454 |
|
|
2025
Q2 | $2.79M | Sell |
154,606
-40,593
| -21% | -$689K | ﹤0.01% | 3886 |
|
|
2025
Q1 | $3.62M | Buy |
195,199
+110,498
| +130% | +$2.12M | ﹤0.01% | 3416 |
|
|
2024
Q4 | $1.54M | Sell |
84,701
-54,275
| -39% | -$1.07M | ﹤0.01% | 4583 |
|
|
2024
Q3 | $2.26M | Sell |
138,976
-150,346
| -52% | -$2.28M | ﹤0.01% | 4222 |
|
|
2024
Q2 | $4.85M | Buy |
289,322
+213,208
| +280% | +$3.63M | ﹤0.01% | 3002 |
|
|
2024
Q1 | $1.17M | Sell |
76,114
-259,975
| -77% | -$2.92M | ﹤0.01% | 5112 |
|
|
2023
Q4 | $4.08M | Buy |
336,089
+269,025
| +401% | +$2.11M | ﹤0.01% | 3160 |
|
|
2023
Q3 | $482K | Buy |
67,064
+13,360
| +25% | +$108K | ﹤0.01% | 6355 |
|
|
2023
Q2 | $468K | Sell |
53,704
-20,839
| -28% | -$181K | ﹤0.01% | 6417 |
|
|
2023
Q1 | $745K | Sell |
74,543
-30,445
| -29% | -$315K | ﹤0.01% | 5591 |
|
|
2022
Q4 | $859K | Buy |
104,988
+12,417
| +13% | +$93.8K | ﹤0.01% | 5222 |
|
|
2022
Q3 | $489K | Sell |
92,571
-332,458
| -78% | -$2.53M | ﹤0.01% | 6733 |
|
|
2022
Q2 | $3.13M | Buy |
425,029
+341,685
| +410% | +$5.31M | ﹤0.01% | 3375 |
|
|
2022
Q1 | $2.19M | Buy |
83,344
+49,088
| +143% | +$1.03M | ﹤0.01% | 4575 |
|
|
2021
Q4 | $567K | Sell |
34,256
-384
| -1% | -$5.62K | ﹤0.01% | 7021 |
|
|
2021
Q3 | $466K | Sell |
34,640
-87,552
| -72% | -$1.1M | ﹤0.01% | 7406 |
|
|
2021
Q2 | $1.57M | Buy |
122,192
+90,361
| +284% | +$1.3M | ﹤0.01% | 4825 |
|
|
2021
Q1 | $563K | Buy |
+31,831
| New | +$454K | ﹤0.01% | 6582 |
|
|
2020
Q2 | – | Sell |
-12,070
| Closed | -$44K | – | 7083 |
|
|
2020
Q1 | $44K | Sell |
12,070
-1,841
| -13% | -$10.3K | ﹤0.01% | 5105 |
|
|
2019
Q4 | $105K | Buy |
13,911
+2,554
| +22% | +$17.7K | ﹤0.01% | 4844 |
|
|
2019
Q3 | $76K | Sell |
11,357
-29,683
| -72% | -$197K | ﹤0.01% | 4833 |
|
|
2019
Q2 | $284K | Buy |
41,040
+8,221
| +25% | +$61.1K | ﹤0.01% | 4260 |
|
|
2019
Q1 | $291K | Sell |
32,819
-3,953
| -11% | -$34.2K | ﹤0.01% | 4284 |
|
|
2018
Q4 | $269K | Sell |
36,772
-37,073
| -50% | -$336K | ﹤0.01% | 4184 |
|
|
2018
Q3 | $884K | Buy |
+73,845
| New | +$950K | ﹤0.01% | 2912 |
|
|
2018
Q2 | – | Sell |
-30,611
| Closed | -$506K | – | 5002 |
|
|
2018
Q1 | $506K | Buy |
30,611
+16,092
| +111% | +$336K | ﹤0.01% | 3461 |
|
|
2017
Q4 | $285K | Sell |
14,519
-2,122
| -13% | -$32.5K | ﹤0.01% | 3818 |
|
|
2017
Q3 | $276K | Sell |
16,641
-1,706
| -9% | -$29.5K | ﹤0.01% | 3786 |
|
|
2017
Q2 | $286K | Buy |
+18,347
| New | +$256K | ﹤0.01% | 3644 |
|
|
2016
Q4 | – | Sell |
-33,995
| Closed | -$236K | – | 4050 |
|
|
2016
Q3 | $236K | Buy |
+33,995
| New | +$232K | ﹤0.01% | 3540 |
|
|
2016
Q2 | – | Sell |
-11,387
| Closed | -$80K | – | 4089 |
|
|
2016
Q1 | $80K | Buy |
+11,387
| New | +$63.1K | ﹤0.01% | 3920 |
|
|
2015
Q4 | – | Sell |
-15,331
| Closed | -$65.8K | – | 4017 |
|
|
2015
Q3 | $71K | Buy |
+15,331
| New | +$107K | ﹤0.01% | 3409 |
|
|
2015
Q1 | – | Sell |
-9,026
| Closed | -$220K | – | 3129 |
|
|
2014
Q4 | $220K | Sell |
9,026
-9,760
| -52% | -$252K | ﹤0.01% | 2138 |
|
|
2014
Q3 | $488K | Buy |
+18,786
| New | +$414K | 0.01% | 1467 |
|
|
2014
Q1 | – | Sell |
-64,033
| Closed | -$670K | – | 2695 |
|
|
2013
Q4 | $670K | Buy |
+64,033
| New | +$571K | 0.01% | 1024 |
|
Other funds holding CENX
G
SG
Jane Street's CENX Position: Q2 2026 in Review
Jane Street reduced its Century Aluminum (CENX) stake by 94% in Q2 2026, selling an estimated $74.6M and leaving 81,564 shares worth $3.75M. The position accounts for ﹤0.01% of the portfolio, ranked #4148.
Jane Street first reported a position in CENX in Q4 2013 and has held it in 39 quarters since. The position peaked at $77.5M in Q1 2026. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.
- Jane Street held 81,564 shares of Century Aluminum worth $3.75M as of Q2 2026.
- Jane Street sold 1,239,378 Century Aluminum shares in Q2 2026, an estimated $74.6M.
- Century Aluminum made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #4148 holding.
- Jane Street first reported a position in Century Aluminum in Q4 2013 and has held it in 39 quarters since.
- Jane Street's Century Aluminum position peaked at $77.5M in Q1 2026.
- 413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.