Activist & passive stakes

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

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All filings, new and amended.1–2 of 2
  • PassiveNew
    Oct 30, 2026
    OGG · Osisko Gold Group Inc.
    Libra Advisors, LLC
    5.18% · 16,357,052 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    OSIS · Osi Systems Inc
    BlackRock, Inc.
    15.2% · 2,429,562 shSEC