Activist & passive stakes

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

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Amendments only.1–1 of 1
  • PassiveAmendment 4
    Oct 27, 2026
    BLFS · Biolife Solutions Inc
    BlackRock, Inc.
    13.4% · 6,577,306 shSEC