Activist & passive stakes

Investors crossing the 5% ownership line, from SEC Schedule 13D (activist) and 13G (passive) filings. Newest first.

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All filings, new and amended.1–1 of 1
  • PassiveNew
    Nov 2, 2026
    SMHI · SEACOR Marine Holdings Inc.
    Carl K. Oppenheimer
    5.1% · 1,383,057 shSEC