Sigma Planning Corp
- SEC CIK
- 0001449126
- Latest filing
- Aug 7, 2026
CENX holding history
Century Aluminum Co in every 13F filed by Sigma Planning Corp, 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)
- 0
- Sold out in Q2 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 0 | $0 | 0.0% | −22,158−100.0% | Sold out | Holders |
| Q1 2026 | 22,158 | $1.30M | <0.1% | −9,712−30.5% | Reduced | Holders |
| Q4 2025 | 31,870 | $1.25M | <0.1% | +31,870 | New | Holders |
| Q1 2022 | 0 | $0 | 0.0% | −42,550−100.0% | Sold out | Holders |
| Q4 2021 | 42,550 | $705.0K | <0.1% | +42,550 | New | Holders |