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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.1–1 of 1
  • ActivistAmendment 1
    Nov 2, 2026
    GHC · Graham Holdings Company
    Laura G. O'Shaughnessy
    12% · 434,689 shSEC