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Activist & passive stakes

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

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Filing
NewAmendmentsAll
Stake type
ActivistPassive
Min % owned
≥10%≥20%
Clear all
All filings, new and amended.1–2 of 2
  • PassiveAmendment 4
    Nov 10, 2026
    ICU · SeaStar Medical Holding Corp
    Mitchell P. Kopin
    9.99% · 489,105 shSEC
  • PassiveAmendment 3Below 5%
    Nov 9, 2026
    Agricultural & Natural Solutions Acquisition Corporation
    W. R. Berkley Corporation
    0% · 0 shSEC