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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
  • PassiveNew
    Nov 10, 2026
    ATRO · Astronics Corp
    State Street Corporation
    5.1% · 1,840,896 shSEC
  • PassiveNew
    Nov 9, 2026
    STRO · Sutro Biopharma, Inc.
    Coastlands Capital LP
    5.14% · 852,669 shSEC