Monitor for any future conversion to a 13D filing, which would signal a shift to activist intent. For now, the passive 13G filing suggests continued institutional support without near-term control changes.
Price Chart
Executive Summary
BlackRock filed an amended Schedule 13G disclosing a 10.5% passive stake in Century Aluminum as of September 30, 2026, up from a prior filing. The filing confirms BlackRock remains a passive investor with no intent to influence control, but the increased stake signals growing institutional conviction.
Key Financial Metrics
Key Facts
- BlackRock reported beneficial ownership of 10,395,973 shares of Century Aluminum common stock, representing 10.5% of shares outstanding as of September 30, 2026.
- BlackRock has sole voting power over 10,287,503 shares and sole dispositive power over 10,395,973 shares.
- The filing is an amendment to a prior Schedule 13G, indicating a change in position from the previous filing.
- BlackRock certifies the shares were acquired and are held in the ordinary course of business, not for changing or influencing control.
- BlackRock Fund Advisors is the entity within BlackRock that beneficially owns 5% or more of the class.
Financial Impact
BlackRock's 10.5% stake is a significant passive holding; no transaction values disclosed.
Risk Factors
- BlackRock could reduce its stake in future quarters, potentially pressuring the stock.
- A shift from passive 13G to activist 13D filing could introduce governance uncertainty.
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0002012383-26-003330 |
| Document: Item_7.txt | 0002012383-26-003330 |
| Document: 0002012383-26-003330-index-headers.html | 0002012383-26-003330 |
| Document: 0002012383-26-003330-index.html | 0002012383-26-003330 |
| Document: 0002012383-26-003330.txt | 0002012383-26-003330 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | Institutional Cluster | $34.02 | awaiting T+1 | — | $33.36 (+1.94%) |
Oct 23, 2026 4d ago | Press Release | $31.44 | awaiting T+1 | — | $33.36 (+6.11%) |
Oct 5, 2026 22d ago | SC 13G/A | $36.94 $37.18 | ▲ +0.65% | ▲ +0.10% | $33.36 (−9.69%) |
Jul 27, 2026 13w ago | Press Release | $43.96 | awaiting T+1 | — | $33.36 (−24.11%) |
Jun 19, 2026 18w ago | Institutional Cluster | $49.53 $47.33 | ▼ −4.44% | ▼ −2.99% | $33.36 (−32.65%) |
Jun 11, 2026 19w ago | Institutional Cluster | $60.94 $61.19 | ▲ +0.41% | ▼ −0.13% | $33.36 (−45.26%) |
Apr 29, 2026 25w ago | Press Release | $58.98 $59.44 | ▲ +0.78% | ▼ −0.24% | $33.36 (−43.44%) |
Apr 24, 2026 26w ago | DEFA14A | $60.74 $61.63 | ▲ +1.47% | ▲ +1.30% | $33.36 (−45.08%) |
Mar 4, 2026 33w ago | Insider Cluster | $53.90 $53.69 | ▲ +0.39% | ▼ −0.92% | $33.36 (+38.11%) |
Feb 25, 2026 34w ago | Insider Cluster | $52.21 $51.56 | ▲ +1.25% | ▲ +0.76% | $33.36 (+36.10%) |
US Market Status
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