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Who owns Subsea 7?

One well-known Nordic major shareholder holds a stake in Subsea 7. The stake, the date it applies and where it is stated.

Major shareholders in Subsea 7

  • Kristian Siem
    Norwegian industrial investor, largest owner of Subsea 7 through Siem Industries.
    23.9%
    through Siem Industries · stake as of 27 October 2026 · source: shareholder register

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We show who owns it, never what you should do. The stakes are from InvestWiser's data and may have changed since the date.