Millennium Management’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
Q1 | $117M | Buy |
1,987,625
+569,593
| +40% | +$28.6M | 0.05% | 384 |
|
|
2025
Q4 | $55.6M | Buy |
1,418,032
+975,359
| +220% | +$30.5M | 0.02% | 746 |
|
|
2025
Q3 | $13M | Sell |
442,673
-69,844
| -14% | -$1.58M | 0.01% | 2114 |
|
|
2025
Q2 | $9.24M | Buy |
512,517
+478,716
| +1,416% | +$8.13M | ﹤0.01% | 2345 |
|
|
2025
Q1 | $627K | Sell |
33,801
-423,927
| -93% | -$8.14M | ﹤0.01% | 4678 |
|
|
2024
Q4 | $8.34M | Buy |
457,728
+362,586
| +381% | +$7.13M | ﹤0.01% | 2352 |
|
|
2024
Q3 | $1.54M | Sell |
95,142
-149,218
| -61% | -$2.26M | ﹤0.01% | 3936 |
|
|
2024
Q2 | $4.09M | Sell |
244,360
-1,040,828
| -81% | -$17.7M | ﹤0.01% | 2900 |
|
|
2024
Q1 | $19.8M | Buy |
1,285,188
+576,897
| +81% | +$6.48M | 0.01% | 1566 |
|
|
2023
Q4 | $8.6M | Buy |
708,291
+214,368
| +43% | +$1.68M | ﹤0.01% | 2321 |
|
|
2023
Q3 | $3.55M | Buy |
493,923
+467,644
| +1,780% | +$3.77M | ﹤0.01% | 3038 |
|
|
2023
Q2 | $229K | Sell |
26,279
-6,968
| -21% | -$60.6K | ﹤0.01% | 5045 |
|
|
2023
Q1 | $332K | Sell |
33,247
-32,173
| -49% | -$333K | ﹤0.01% | 4844 |
|
|
2022
Q4 | $535K | Sell |
65,420
-72,211
| -52% | -$545K | ﹤0.01% | 4696 |
|
|
2022
Q3 | $727K | Sell |
137,631
-1,204,180
| -90% | -$9.15M | ﹤0.01% | 4618 |
|
|
2022
Q2 | $9.89M | Buy |
1,341,811
+1,107,112
| +472% | +$17.2M | 0.01% | 2052 |
|
|
2022
Q1 | $6.17M | Buy |
234,699
+149,751
| +176% | +$3.15M | ﹤0.01% | 2697 |
|
|
2021
Q4 | $1.41M | Sell |
84,948
-545,898
| -87% | -$7.99M | ﹤0.01% | 4094 |
|
|
2021
Q3 | $8.48M | Buy |
630,846
+382,756
| +154% | +$4.81M | 0.01% | 2278 |
|
|
2021
Q2 | $3.2M | Buy |
248,090
+16,974
| +7% | +$244K | ﹤0.01% | 3351 |
|
|
2021
Q1 | $4.08M | Sell |
231,116
-941,519
| -80% | -$13.4M | ﹤0.01% | 2799 |
|
|
2020
Q4 | $12.9M | Buy |
+1,172,635
| New | +$10.6M | 0.01% | 1460 |
|
|
2020
Q3 | – | Sell |
-463,704
| Closed | -$3.31M | – | 4478 |
|
|
2020
Q2 | $3.31M | Sell |
463,704
-132,740
| -22% | -$702K | ﹤0.01% | 2134 |
|
|
2020
Q1 | $2.16M | Buy |
596,444
+394,257
| +195% | +$2.21M | ﹤0.01% | 1965 |
|
|
2019
Q4 | $1.52M | Buy |
202,187
+26,147
| +15% | +$181K | ﹤0.01% | 2774 |
|
|
2019
Q3 | $1.17M | Sell |
176,040
-401,079
| -69% | -$2.66M | ﹤0.01% | 2753 |
|
|
2019
Q2 | $3.99M | Buy |
577,119
+419,211
| +265% | +$3.11M | 0.01% | 1944 |
|
|
2019
Q1 | $1.4M | Sell |
157,908
-480,645
| -75% | -$4.16M | ﹤0.01% | 2652 |
|
|
2018
Q4 | $4.67M | Buy |
+638,553
| New | +$5.79M | 0.01% | 1631 |
|
|
2018
Q3 | – | Sell |
-368,301
| Closed | -$5.8M | – | 3929 |
|
|
2018
Q2 | $5.8M | Sell |
368,301
-61,428
| -14% | -$1.04M | 0.01% | 1711 |
|
|
2018
Q1 | $7.11M | Buy |
429,729
+407,243
| +1,811% | +$8.51M | 0.01% | 1576 |
|
|
2017
Q4 | $442K | Sell |
22,486
-632,403
| -97% | -$9.68M | ﹤0.01% | 3152 |
|
|
2017
Q3 | $10.9M | Buy |
+654,889
| New | +$11.3M | 0.02% | 1188 |
|
|
2017
Q2 | – | Sell |
-2,322,596
| Closed | -$32.4M | – | 3488 |
|
|
2017
Q1 | $29.5M | Buy |
+2,322,596
| New | +$30.8M | 0.05% | 508 |
|
|
2016
Q1 | – | Sell |
-269,652
| Closed | -$1.19M | – | 3289 |
|
|
2015
Q4 | $1.19M | Sell |
269,652
-1,311,487
| -83% | -$5.62M | ﹤0.01% | 2213 |
|
|
2015
Q3 | $7.27M | Buy |
1,581,139
+740,374
| +88% | +$5.17M | 0.01% | 1121 |
|
|
2015
Q2 | $8.77M | Buy |
840,765
+405,354
| +93% | +$5.16M | 0.02% | 1058 |
|
|
2015
Q1 | $6.01M | Sell |
435,411
-86,388
| -17% | -$1.74M | 0.01% | 1313 |
|
|
2014
Q4 | $12.7M | Sell |
521,799
-196,133
| -27% | -$5.06M | 0.03% | 849 |
|
|
2014
Q3 | $18.6M | Buy |
+717,932
| New | +$15.8M | 0.05% | 535 |
|
|
2014
Q2 | – | Sell |
-9,551
| Closed | -$135K | – | 3433 |
|
|
2014
Q1 | $126K | Buy |
+9,551
| New | +$111K | ﹤0.01% | 3271 |
|
|
2013
Q3 | – | Sell |
-361,120
| Closed | -$3.35M | – | 3320 |
|
|
2013
Q2 | $3.35M | Buy |
+361,120
| New | +$3.11M | 0.01% | 1268 |
|
Other funds holding CENX
G
VPM
SG
VCM
Millennium Management's CENX Position: Q1 2026 in Review
Millennium Management increased its Century Aluminum (CENX) stake by 40% in Q1 2026, buying an estimated $28.6M and bringing the position to 1,987,625 shares worth $117M. The position accounts for 0.05% of the portfolio, ranked #384.
Millennium Management first reported a position in CENX in Q2 2013 and has held it in 42 quarters since. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.
- Millennium Management held 1,987,625 shares of Century Aluminum worth $117M as of Q1 2026.
- Millennium Management bought 569,593 Century Aluminum shares in Q1 2026, an estimated $28.6M.
- Century Aluminum made up 0.05% of Millennium Management's portfolio in Q1 2026, its #384 holding.
- Millennium Management first reported a position in Century Aluminum in Q2 2013 and has held it in 42 quarters since.
- 386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.
Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.