Century Aluminum Company shares owned by Sigma Planning
Quarter-by-quarter ownership of Century Aluminum Company (CENX) shares owned by Sigma Planning
from 13F filings
Historical chart of Sigma Planning investment in Century Aluminum Company
Tip: Access up to 7 years of quarterly data
All positions including Century Aluminum Company held by Sigma Planning consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Century Aluminum Company by Sigma Planning
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $1.2M | 32k | 39.18 |
| 2021-12-31 | $705k | 43k | 16.57 |