SCHEDULE: FMR LLC Discloses 5.1% Stake in Constellium SE

FMR LLC, through its subsidiaries and affiliates, has reported beneficial ownership of 5.1% of Constellium SE's ordinary shares as of March 31, 2026.

Summary

• FMR LLC, along with its affiliates and subsidiaries (collectively, the "FMR Reporters"), has filed a Schedule 13G, indicating beneficial ownership of Constellium SE's ordinary shares.
• The filing, dated March 31, 2026, shows that FMR LLC beneficially owns 6,961,767.76 shares, representing 5.1% of the class.
• Abigail P. Johnson, a Director, Chairman, and CEO of FMR LLC, is also identified. Members of the Johnson family are predominant owners of FMR LLC's voting shares.
• The filing is made under Rule 13d-1(b), classifying FMR LLC as an investment adviser (IA) and Fidelity Management & Research Company LLC and Strategic Advisers LLC as IA entities.
• FIAM LLC is classified as a bank (BK).

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it primarily reports on existing ownership levels rather than new strategic developments or financial performance.

Positives

• FMR LLC's significant stake indicates confidence in Constellium SE's long-term prospects.
• The filing is a routine disclosure, suggesting no immediate change in control or activist intent.

Negatives

• The filing does not contain specific financial performance data or forward-looking guidance from Constellium SE itself, only ownership information.

Risks

• Potential for future changes in FMR LLC's ownership stake, which could impact Constellium SE's stock price.
• The concentration of voting power among Series B shareholders of FMR LLC could influence investment decisions.

Future Outlook

This filing primarily concerns ownership and does not contain forward-looking statements or guidance from Constellium SE.

Management Comments

• FMR LLC and its subsidiaries, along with other companies, are collectively referred to as the "FMR Reporters" for this filing.
• The filing does not reflect securities beneficially owned by certain other companies whose ownership is disaggregated from the FMR Reporters.
• Members of the Johnson family may be deemed to form a controlling group with respect to FMR LLC due to their ownership of voting shares and a shareholders' voting agreement.

Industry Context

StockSavvy.ai notes that Schedule 13G filings are common for institutional investors accumulating significant stakes in publicly traded companies. FMR LLC's filing indicates a substantial, but not controlling, investment in Constellium SE, a player in the aluminum manufacturing sector.

Stakeholder Impact

• Shareholders: The filing confirms a significant institutional investor's stake, which can influence market perception and liquidity.
• Management of Constellium SE: Awareness of FMR LLC's substantial holding is important for corporate strategy and investor relations.
• Competitors: The filing provides insight into the investment landscape for aluminum manufacturers.

Next Steps

• FMR LLC will continue to report any material changes in its beneficial ownership of Constellium SE's ordinary shares.
• Constellium SE may provide further financial or strategic updates in subsequent filings.

Key Dates

Keywords

Constellium SE, FMR LLC, Schedule 13G, Beneficial Ownership, Ordinary Shares, Investment Adviser, Fidelity, Abigail P. Johnson, SEC Filing