Century Aluminum Co (CENX) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for CENX. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Glencore plc | 29,690,702 | $1.7B | DECREASED |
| BlackRock, Inc. | 9,010,379 | $529M | DECREASED |
| STATE STREET CORP | 4,667,540 | $274M | INCREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4,241,557 | $249M | NEW |
| Sourcerock Group LLC | 2,687,249 | $158M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Tamla A Olivier (Director) | AWARD | 2,172 | 2026-06-15 | |
| Jennifer Mary Bush (Director) | AWARD | 2,172 | 2026-06-15 | |
| Andrew G Michelmore (Director) | SELL | 652 | $36K | 2026-06-15 |
| Andrew G Michelmore (Director) | AWARD | 2,172 | 2026-06-15 | |
| Errol Glasser (Director) | AWARD | 2,172 | 2026-06-15 |
Full institutional holdings, insider history, and congressional trades for Century Aluminum Co on SentiSense.