Wellington Management Group’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 | $25.3M | Buy |
548,898
+170,451
| +45% | +$10.3M | ﹤0.01% | 975 |
|
|
2026
Q1 | $22.2M | Buy |
378,447
+180,604
| +91% | +$9.05M | ﹤0.01% | 962 |
|
|
2025
Q4 | $7.75M | Buy |
197,843
+3,749
| +2% | +$117K | ﹤0.01% | 1315 |
|
|
2025
Q3 | $5.7M | Sell |
194,094
-787,508
| -80% | -$17.8M | ﹤0.01% | 1404 |
|
|
2025
Q2 | $17.7M | Buy |
981,602
+287,850
| +41% | +$4.89M | ﹤0.01% | 1011 |
|
|
2025
Q1 | $12.9M | Buy |
693,752
+282,163
| +69% | +$5.42M | ﹤0.01% | 1131 |
|
|
2024
Q4 | $7.5M | Buy |
411,589
+2,358
| +0.6% | +$46.3K | ﹤0.01% | 1267 |
|
|
2024
Q3 | $6.64M | Sell |
409,231
-5,529
| -1% | -$83.8K | ﹤0.01% | 1263 |
|
|
2024
Q2 | $6.95M | Sell |
414,760
-11,329
| -3% | -$193K | ﹤0.01% | 1248 |
|
|
2024
Q1 | $6.56M | Buy |
426,089
+256,515
| +151% | +$2.88M | ﹤0.01% | 1266 |
|
|
2023
Q4 | $2.06M | Buy |
169,574
+5,064
| +3% | +$39.7K | ﹤0.01% | 1490 |
|
|
2023
Q3 | $1.18M | Buy |
164,510
+149
| +0.1% | +$1.2K | ﹤0.01% | 1578 |
|
|
2023
Q2 | $1.43M | Sell |
164,361
-2,769
| -2% | -$24.1K | ﹤0.01% | 1541 |
|
|
2023
Q1 | $1.67M | Sell |
167,130
-1,391
| -0.8% | -$14.4K | ﹤0.01% | 1545 |
|
|
2022
Q4 | $1.38M | Buy |
168,521
+4,221
| +3% | +$31.9K | ﹤0.01% | 1580 |
|
|
2022
Q3 | $868K | Hold |
164,300
| – | – | ﹤0.01% | 1687 |
|
|
2022
Q2 | $1.21M | Sell |
164,300
-83,434
| -34% | -$1.3M | ﹤0.01% | 1642 |
|
|
2022
Q1 | $6.52M | Buy |
247,734
+219,008
| +762% | +$4.61M | ﹤0.01% | 1318 |
|
|
2021
Q4 | $476K | Sell |
28,726
-83,052
| -74% | -$1.22M | ﹤0.01% | 2000 |
|
|
2021
Q3 | $1.5M | Buy |
+111,778
| New | +$1.41M | ﹤0.01% | 1736 |
|
|
2021
Q1 | – | Sell |
-19,262
| Closed | -$212K | – | 2100 |
|
|
2020
Q4 | $212K | Buy |
+19,262
| New | +$175K | ﹤0.01% | 1885 |
|
|
2019
Q1 | – | Sell |
-55,138
| Closed | -$403K | – | 2043 |
|
|
2018
Q4 | $403K | Buy |
+55,138
| New | +$500K | ﹤0.01% | 1938 |
|
|
2018
Q2 | – | Sell |
-102,876
| Closed | -$1.7M | – | 2243 |
|
|
2018
Q1 | $1.7M | Buy |
+102,876
| New | +$2.15M | ﹤0.01% | 1773 |
|
|
2017
Q4 | – | Sell |
-164,872
| Closed | -$2.73M | – | 2222 |
|
|
2017
Q3 | $2.73M | Buy |
164,872
+44,334
| +37% | +$765K | ﹤0.01% | 1644 |
|
|
2017
Q2 | $1.88M | Buy |
120,538
+55,428
| +85% | +$773K | ﹤0.01% | 1716 |
|
|
2017
Q1 | $826K | Buy |
+65,110
| New | +$865K | ﹤0.01% | 1974 |
|
|
2015
Q2 | – | Sell |
-28,479
| Closed | -$393K | – | 2148 |
|
|
2015
Q1 | $393K | Buy |
28,479
+5,017
| +21% | +$101K | ﹤0.01% | 2045 |
|
|
2014
Q4 | $573K | Buy |
+23,462
| New | +$606K | ﹤0.01% | 1971 |
|
Other funds holding CENX
G
SG
Wellington Management Group's CENX Position: Q2 2026 in Review
Wellington Management Group increased its Century Aluminum (CENX) stake by 45% in Q2 2026, buying an estimated $10.3M and bringing the position to 548,898 shares worth $25.3M. The position accounts for ﹤0.01% of the portfolio, ranked #975.
Wellington Management Group first reported a position in CENX in Q4 2014 and has held it in 28 quarters since. 413 funds tracked by Wall St. Rank hold CENX as of Q2 2026.
- Wellington Management Group held 548,898 shares of Century Aluminum worth $25.3M as of Q2 2026.
- Wellington Management Group bought 170,451 Century Aluminum shares in Q2 2026, an estimated $10.3M.
- Century Aluminum made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #975 holding.
- Wellington Management Group first reported a position in Century Aluminum in Q4 2014 and has held it in 28 quarters since.
- 413 funds tracked by Wall St. Rank held Century Aluminum as of Q2 2026.
Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.