Companies · 1 holder Net worths as of Sep 24, 2026
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Who owns Sibur?

1 of the world’s richest people holds Sibur in our tracked profiles.

Billionaire holders

  1. Leonid Mikhelson & family#84 · $28.3B
    Chairman of the board and largest…30.6% · as of 2026
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    Entry
    Sibur Holding
    Role
    Chairman of the board and largest shareholder (private; merged with TAIF Group's petrochemical assets in 2021)
    Stake
    30.6%
    Stake as of
    2026
    source ↗

Each row is a sourced entry from that person’s profile. Stakes are as of the date shown, not today.

Recent SEC filings

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Recent moves

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