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.1–29 of 29
  • 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
  • ActivistAmendment 6Below 5%
    Nov 6, 2026
    H · Hyatt Hotels Corporation
    1953 Private Family Trust Company LLC, not individually, but solely as trustee of the trusts listed on Appendix A-2.
    3.6% · 1,546,641 shSEC
  • PassiveAmendment 1Below 5%
    Nov 6, 2026
    PEN · Penumbra Inc
    Barclays PLC
    4.82% · 1,901,646 shSEC
  • PassiveNew
    Nov 6, 2026
    ASPE · Aspen Neuroscience Inc
    Fmr Llc
    11.2% · 3,250,000 shSEC
  • PassiveAmendment 8
    Nov 6, 2026
    PENG · Penguin Solutions Inc
    Fmr Llc
    7.4% · 4,484,297 shSEC
  • PassiveAmendment 2
    Nov 5, 2026
    OTEX · Open Text Corporation
    FIL Limited
    9.1% · 22,035,000 shSEC
  • PassiveAmendment 7
    Nov 5, 2026
    PENG · Penguin Solutions Inc
    Fmr Llc
    15% · 7,703,664 shSEC
  • PassiveNew
    Nov 5, 2026
    PNR · Pentair Plc
    Fmr Llc
    7.2% · 11,500,038 shSEC
  • PassiveAmendment 6
    Nov 5, 2026
    CRS · Carpenter Technology Corp
    Fmr Llc
    7.3% · 3,611,295 shSEC
  • ActivistAmendment 1
    Nov 3, 2026
    OPNW · OpenWorld, Inc.
    Shaw Matthew Ian
    40.7% · 6,361,843 shSEC
  • ActivistAmendment 1Below 5%
    Nov 3, 2026
    OPNW · OpenWorld, Inc.
    Hernandez Gerard Albert Palana
    4.4% · 702,999 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
  • PassiveAmendment 8Below 5%
    Nov 2, 2026
    ALV · Autoliv Inc.
    Alecta Tjanstepension Omsesidigt
    4.72% · 3,408,455 shSEC
  • ActivistAmendment 2Below 5%
    Nov 2, 2026
    PENG · Penguin Solutions, Inc.
    SK Telecom Co., Ltd.
    0% · 0 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    PENG · Penguin Solutions Inc
    Vanguard Portfolio Management
    5.84% · 2,994,044 shSEC
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    PMT · PennyMac Mortgage Investment Trust
    Vanguard Portfolio Management
    3.95% · 3,449,084 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    HAPN · Happen Inc
    Vanguard Portfolio Management
    8.41% · 9,715,806 shSEC
  • PassiveNew
    Oct 30, 2026
    OTEX · Open Text Corp
    Vanguard Capital Management
    5.01% · 12,148,375 shSEC
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    OPLN · OPENLANE Inc
    Vanguard Capital Management
    4.75% · 5,838,115 shSEC
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    PNTG · Pennant Group Inc/The
    Vanguard Capital Management
    4.97% · 1,738,970 shSEC
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    IBCP · Independent Bank Corp/MI
    Vanguard Capital Management
    4.99% · 1,109,144 shSEC
  • PassiveNewBelow 5%
    Oct 29, 2026
    SGRP · Spar Group, Inc.
    SP/R, Inc. Defined Benefit Pension Trust
    3.7% · 1,062,506 shSEC
  • ActivistAmendment 3Below 5%
    Oct 29, 2026
    RAASY · Cloopen Group Holding Limited
    TB Alternative Assets Ltd.
    0% · 0 shSEC
  • PassiveAmendment 1
    Oct 28, 2026
    PennantPark Enhanced Income Fund
    Thomas J. Herzfeld Advisors, Inc.
    6.45% · 51,335 shSEC