Activist & passive stakes

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

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  • ActivistNew
    Nov 6, 2026
    ASPE · Aspen Neuroscience, Inc.
    Orbimed Advisors Llc
    12.3% · 3,589,132 shSEC