SCHEDULE: BlackRock Discloses Stake in Century Aluminum

BlackRock, Inc. has filed a Schedule 13G, reporting beneficial ownership of 9.5% of Century Aluminum Co. common stock as of June 30, 2026.

Summary

• BlackRock, Inc. has filed an amended Schedule 13G, indicating its beneficial ownership of 9,417,581 shares of Century Aluminum Co. common stock.
• This holding represents 9.5% of the class of securities.
• The filing is an amendment to a previous filing and the event date requiring this statement is June 30, 2026.
• BlackRock, Inc. has sole voting power over 9,304,596 shares and sole dispositive power over 9,417,581 shares.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive filing, as it confirms a significant institutional holding by a major asset manager, indicating sustained interest without new material operational or financial disclosures.

Positives

• BlackRock, Inc. holds a significant stake (9.5%) in Century Aluminum Co., suggesting confidence in the company's long-term prospects.
• The filing indicates sole dispositive power over the shares, allowing for efficient management of the investment.

Negatives

• The filing does not contain any negative financial or operational information about Century Aluminum Co. itself, as it is a disclosure of beneficial ownership by a third party.

Risks

• The filing does not explicitly mention any risks related to Century Aluminum Co.'s operations or financial health. The primary risk is inherent in any equity investment, which is market volatility and the potential for loss of principal.

Future Outlook

The filing is a Schedule 13G, which reports beneficial ownership and does not contain forward-looking statements or guidance from Century Aluminum Co. itself. BlackRock's continued holding implies a neutral to positive outlook on the company.

Management Comments

• BlackRock, Inc. certifies that the securities were acquired and are held in the ordinary course of business and were not acquired or held for the purpose of or with the effect of changing or influencing the control of the issuer.

Industry Context

StockSavvy.ai notes that BlackRock's significant stake in Century Aluminum Co. reflects the ongoing interest of institutional investors in the metals and mining sector, particularly in companies positioned to benefit from global industrial demand and potential shifts in supply chains.

Comparison to Industry Standards

• As a Schedule 13G filing, it reports ownership percentages. A 9.5% stake by a major institutional investor like BlackRock is a substantial holding, often indicating a significant level of conviction in the company's value or strategic position within the aluminum industry.

Stakeholder Impact

• Shareholders: The continued significant holding by BlackRock may provide a degree of stability and confidence in the market.
• Management of Century Aluminum Co.: The presence of a large institutional investor like BlackRock can influence corporate strategy and governance decisions.

Next Steps

• BlackRock, Inc. will continue to hold its shares in Century Aluminum Co. and may adjust its holdings based on market conditions and investment strategy.
• Century Aluminum Co. will continue its operations and report its financial and operational results in subsequent filings.

Key Dates

Keywords

Century Aluminum, BlackRock, Schedule 13G, Beneficial Ownership, Common Stock, Investment Holding, Aluminum Industry