Headlands Technologies LLC
- SEC CIK
- 0001570271
- Latest filing
- Aug 12, 2026
CENX holding history
Century Aluminum Co in every 13F filed by Headlands Technologies LLC, 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)
- 31,413
- Value
- $1.45M
- % of portfolio
- 0.2%
- Quarters held
- 10
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 31,413 | $1.45M | 0.2% | −17,490−35.8% | Reduced | Holders |
| Q1 2026 | 48,903 | $2.87M | 0.3% | −28,529−36.8% | Reduced | Holders |
| Q4 2025 | 77,432 | $3.03M | 0.3% | +5,741+8.0% | Added | Holders |
| Q3 2025 | 71,691 | $2.10M | 0.2% | +56,695+378.1% | Added | Holders |
| Q2 2025 | 14,996 | $270.2K | <0.1% | +7,070+89.2% | Added | Holders |
| Q1 2025 | 7,926 | $147.1K | <0.1% | −13,275−62.6% | Reduced | Holders |
| Q4 2024 | 21,201 | $386.3K | <0.1% | +20,312+2,284.8% | Added | Holders |
| Q3 2024 | 889 | $14.4K | <0.1% | +889 | New | Holders |
| Q3 2023 | 0 | $0 | 0.0% | −1,058−100.0% | Sold out | Holders |
| Q2 2023 | 1,058 | $9.23K | <0.1% | +1,058 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −536−100.0% | Sold out | Holders |
| Q4 2022 | 536 | $4.00K | <0.1% | – | No prior filing | Holders |