Back to 13F data
Q1 2026
CENTURY ALUM CO
Original CUSIPs: 156431108. This page shows current managers, quarterly changes, and primary SEC sources.
Current managers
1
Combined value
$43.0M
Current managers
1
Calculated from each manager’s latest available 13F.
Total shares
732,517
Aggregated at company level with original CUSIP details preserved.
Combined value
$43.0M
Market values are added across managers reporting the same quarter.
Themes
Unclassified
Local mappings are used only for search and classification.
Four-quarter trend
Four-quarter ownership trend
Manager actions by quarter
Current tracked managers holding this company
| Manager | Quarter | Market value | Shares | Portfolio weight | Current-quarter change | Share change | Value change | SEC source |
|---|---|---|---|---|---|---|---|---|
| Bridgewater Associates Ray Dalio / Bridgewater | Q1 2026 | $42,991,423 | 732,517 | 0.19% | Increased +169.51% | +460,719 | +$32,342,377 | XML 05/15/2026 |
Original CUSIP details
| Manager | Issuer | CUSIP | Security class | Market value | Shares | Weight | Source |
|---|---|---|---|---|---|---|---|
| Bridgewater Associates | CENTURY ALUM CO | 156431108 | COM | $42,991,423 | 732,517 | 0.19% | SEC XML |
Quarterly holdings details
| Quarter | Current managers | Combined value | Total shares | Manager details |
|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0 | |
| Q3 2025 | 0 | $0 | 0 | |
| Q4 2025 | 1 | $10,649,046 | 271,798 | Bridgewater Associates New position |
| Q1 2026 | 1 | $42,991,423 | 732,517 | Bridgewater Associates Increased |
Data source
Holdings facts come from SEC 13F information tables. Tickers, company aliases, and themes are used only for search and normalized display, not as a holdings source.