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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%
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New filings only, amendments hidden. Show all filings →1–2 of 2
  • PassiveNew
    Nov 13, 2026
    AGEN · Agenus Inc
    Eventide Asset Management, LLC
    5.4% · 2,446,789 shSEC
  • PassiveNew
    Nov 10, 2026
    RARE · Ultragenyx Pharmaceutical Inc
    State Street Corporation
    7.6% · 7,538,078 shSEC