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.1–3 of 3
  • PassiveNew
    Nov 14, 2026
    STDN · Standard Nuclear, Inc.
    ST-1014 Fund I, a series of Fundomo Syndicates, LP
    9.6% · 14,000,000 shSEC
  • PassiveNew
    Nov 13, 2026
    STDN · Standard Nuclear, Inc.
    Nobile Corey L.
    13.6% · 19,877,358 shSEC
  • PassiveNew
    Nov 13, 2026
    STDN · Standard Nuclear, Inc.
    WELARA CAPITAL PARTNERS LLC Series 3
    12.93% · 20,243,094 shSEC