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Activist & passive stakes

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

Showing the last 10 days.Sign up free for 90 days
Filing
NewAmendmentsAll
Stake type
ActivistPassive
Min % owned
≥10%≥20%
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New filings only, amendments hidden. Show all filings →1–11 of 11
  • ActivistNew
    Nov 6, 2026
    ASPE · Aspen Neuroscience, Inc.
    Orbimed Advisors Llc
    12.3% · 3,589,132 shSEC
  • PassiveNew
    Nov 6, 2026
    ASPE · Aspen Neuroscience, Inc.
    Gilead Sciences, Inc.
    9.9% · 2,879,996 shSEC
  • PassiveNew
    Nov 6, 2026
    ASPE · Aspen Neuroscience Inc
    Fmr Llc
    11.2% · 3,250,000 shSEC
  • PassiveNew
    Nov 5, 2026
    PNR · Pentair Plc
    Fmr Llc
    7.2% · 11,500,038 shSEC
  • PassiveNew
    Nov 3, 2026
    ASPE · Aspen Neuroscience, Inc.
    Qatar Investment Authority
    6.7% · 1,933,330 shSEC
  • ActivistNew
    Nov 3, 2026
    PENG · Penguin Solutions, Inc.
    SK hynix Inc.
    9.1% · 6,096,103 shSEC
  • PassiveNew
    Nov 3, 2026
    SMX · SMX (Security Matters) PLC
    Forsakringsaktiebolaget Avanza Pension
    12.52% · 136,307 shSEC
  • PassiveNew
    Nov 2, 2026
    SMHI · SEACOR Marine Holdings Inc.
    Carl K. Oppenheimer
    5.1% · 1,383,057 shSEC
  • PassiveNew
    Nov 2, 2026
    HURC · Hurco Companies, Inc.
    Carl K. Oppenheimer
    7.11% · 460,499 shSEC
  • PassiveNew
    Oct 30, 2026
    OTEX · Open Text Corp
    Vanguard Capital Management
    5.01% · 12,148,375 shSEC
  • PassiveNewBelow 5%
    Oct 29, 2026
    SGRP · Spar Group, Inc.
    SP/R, Inc. Defined Benefit Pension Trust
    3.7% · 1,062,506 shSEC