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Activist & passive stakes

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

Showing the last 10 days.Sign up free for 90 days
Filing
NewAmendmentsAll
Stake type
ActivistPassive
Min % owned
≥10%≥20%
Clear all
All filings, new and amended.1–2 of 2
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    OSG · Octave Specialty Group Inc
    Vanguard Capital Management
    4.8% · 2,163,199 shSEC
  • PassiveNew
    Oct 27, 2026
    OSG · Octave Specialty Group Inc
    BlackRock Portfolio Management LLC
    6.5% · 2,938,198 shSEC