Boston Partners
- SEC CIK
- 0001386060
- Latest filing
- Aug 4, 2026
CENX holding history
Century Aluminum Co in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CENX overviewAll 13F holders of CENXFull Q2 2026 holdings
- Shares (Q2 2026)
- 854,095
- Value
- $39.3M
- % of portfolio
- <0.1%
- Quarters held
- 6
- Since Q1 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 854,095 | $39.3M | <0.1% | +544,199+175.6% | Added | Holders |
| Q1 2026 | 309,896 | $18.2M | <0.1% | −290,341−48.4% | Reduced | Holders |
| Q4 2025 | 600,237 | $23.5M | <0.1% | −539,424−47.3% | Reduced | Holders |
| Q3 2025 | 1,139,661 | $33.5M | <0.1% | −594,007−34.3% | Reduced | Holders |
| Q2 2025 | 1,733,668 | $31.2M | <0.1% | +1,339,744+340.1% | Added | Holders |
| Q1 2025 | 393,924 | $7.31M | <0.1% | +393,924 | New | Holders |