Century Aluminum
CENX · NASDAQ
$33.50−$0.86 (−2.50%)TodayMarket closed ·
Prev close $34.36
Who owns CENX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 62.3% of CENX’s shares.
- Glencore International AG30.0%
- BlackRock Institutional Trust Company, N.A.9.0%
- State Street Investment Management (US)5.6%
- Vanguard Portfolio Management, LLC4.8%
- Next 6 largest institutions12.9%
- All other shareholders37.7%
| Holder | Shares | % of shares |
|---|---|---|
| Glencore International AG | 29.69M | 30.00% |
| BlackRock Institutional Trust Company, N.A. | 8.89M | 8.98% |
| State Street Investment Management (US) | 5.54M | 5.60% |
| Vanguard Portfolio Management, LLC | 4.77M | 4.82% |
| Vanguard Capital Management, LLC | 2.97M | 3.00% |
| Sourcerock Group LLC | 2.27M | 2.29% |
| Dimensional Fund Advisors, L.P. | 2.21M | 2.23% |
| Geode Capital Management, L.L.C. | 1.85M | 1.87% |
| Fidelity Management & Research Company LLC | 1.80M | 1.82% |
| Invesco Advisers, Inc. | 1.66M | 1.68% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.44M | 3.48% |
| State Street SPDR S&P Metals & Mining ETF | 3.15M | 3.18% |
| Vanguard Total Stock Market Index Fund | 2.21M | 2.23% |
| iShares Russell 2000 ETF | 1.80M | 1.82% |
| Vanguard Small-Cap Index Fund | 1.59M | 1.61% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of CENX in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Michelmore Andrew G | Tax withholding | 652 | $35.57K |
| Michelmore Andrew G | Award | 2.17K | — |
| Berntzen Jarl | Award | 2.17K | — |
| GLASSER ERROL | Award | 2.17K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 9.18M
- Days to cover
- 5.06
- % of shares outstanding
- 9.28%
- Average daily volume
- 1.81M
- Change since last report
- −5.4%
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