LYB Holdco LLC has filed an amendment to its Schedule 13D, which reveals significant changes in its beneficial ownership of LyondellBasell Industries N.V. This amendment, filed on November 5, 2026, indicates a strategic internal reorganization involving the transfer of shares among affiliated entities.

The filing is noteworthy as it highlights the complex ownership structure of LyondellBasell, a key player in the industrial organic chemicals sector. The changes could have implications for the competitive landscape within the industry, particularly affecting LyondellBasell and its operations.

Background

LYB Holdco LLC is a Delaware-based entity that has been involved in significant transactions related to LyondellBasell Industries N.V., which operates in the industrial organic chemicals sector. The company has a history of filing various forms with the SEC, including multiple amendments to its Schedule 13D. The recent filing is part of a series of updates that began in 2011, reflecting ongoing changes in ownership and control.

What the Filing Says

The amendment discloses that the reporting persons, including LYB Holdco LLC and several affiliated entities, now collectively own approximately 19.6% of LyondellBasell's ordinary shares. Specifically, the filing states:

"The 63,435,504 ordinary shares reported in this Schedule 13D include (i) 53,195,179 ordinary shares owned directly by LYB Holdco, (ii) 4,000,000 ordinary shares owned directly by Access Industries Core Holdings LLC, (iii) 5,270,918 ordinary shares owned directly by AI Chemical Holdings LLC, (iv) 765,154 ordinary shares owned directly by AI Investments Holdings LLC, and (v) 204,253 ordinary shares owned directly by AILEB LLC."

Impact

This amendment may affect various stakeholders, including investors and competitors in the industrial organic chemicals sector. The restructuring and share transfers among affiliated entities suggest a potential shift in strategic direction for LYB Holdco and its relationship with LyondellBasell. The filing also underscores the influence of key individuals such as Len Blavatnik, who is associated with Access Industries, a significant player in this ownership structure.

What's Next

The filing does not specify what happens next regarding these ownership changes. However, it is likely that further developments will unfold as the companies involved navigate the implications of this reorganization.