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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
Amendments only.1–2 of 2
  • PassiveAmendment 1
    Nov 4, 2026
    TRC · Tejon Ranch Co.
    Nitor Capital Management, LLC
    7.2% · 1,948,806 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    ATRC · AtriCure Inc
    Vanguard Portfolio Management
    7.22% · 3,676,303 shSEC