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.1–50 of 123
  • ActivistAmendment 3
    Nov 13, 2026
    DDI · DoubleDown Interactive Co., Ltd.
    DoubleU Games Co., Ltd.
    67.05% · 1,661,191 shSEC
  • ActivistAmendment 4
    Nov 12, 2026
    HGTY · Hagerty, Inc.
    Hagerty Holding Corp.
    51.4% · 144,414,656 shSEC
  • ActivistNew
    Nov 12, 2026
    CDLR · Cadeler plc
    Scorpio Holdings Limited
    13.9% · 49,356,825 shSEC
  • ActivistAmendment 1Below 5%
    Nov 12, 2026
    CDLR · Cadeler A/S
    Scorpio Services Holding Ltd
    0% · 0 shSEC
  • ActivistNew
    Nov 12, 2026
    PYYX · Pyxus International, Inc.
    Owl Creek Asset Management, L.P.
    15.7% · 3,865,355 shSEC
  • ActivistNew
    Nov 12, 2026
    INM · Mentari Therapeutics, Inc.
    Fairmount Funds Management LLC
    19.99% · 10,555,507 shSEC
  • ActivistAmendment 5
    Nov 12, 2026
    UPLD · Upland Software, Inc.
    HGGC Fund IV GP, Ltd.
    22.46% · 814,858 shSEC
  • ActivistAmendment 4Below 5%
    Nov 12, 2026
    CATX · Perspective Therapeutics, Inc.
    Lantheus Holdings, Inc.
    3.9% · 4,739,011 shSEC
  • ActivistNew
    Nov 12, 2026
    CCXI · Agility Robotics, Inc.
    Jonathan Hurst
    5.2% · 12,652,759 shSEC
  • ActivistAmendment 4
    Nov 12, 2026
    BZFD · BuzzFeed, Inc.
    Allen Family Digital, LLC
    61.8% · 64,498,356 shSEC
  • ActivistAmendment 8
    Nov 12, 2026
    OBIO · Orchestra Biomed Holdings, Inc.
    RTW Investments, LP
    16.2% · 13,142,394 shSEC
  • ActivistAmendment 25
    Nov 12, 2026
    TKC · Turkcell Iletisim Hizmetleri A.S.
    IMTIS Holdings S.a r.l.
    19.8% · 435,600,000 shSEC
  • ActivistAmendment 10
    Nov 12, 2026
    TPG · TPG Inc.
    Coulter James G.
    54.6% · 206,714,316 shSEC
  • ActivistNew
    Nov 12, 2026
    INTZ · Intrusion Inc
    Tego Cyber, Inc.
    8.9% · 2,373,134 shSEC
  • ActivistAmendment 2
    Nov 12, 2026
    DTSS · Datasea Intelligent Technology Ltd.
    Zhixin Liu
    47.72% · 101,517,519 shSEC
  • ActivistAmendment 2
    Nov 12, 2026
    DTSS · Datasea Intelligent Technology Ltd.
    Fu Liu
    47.57% · 101,192,558 shSEC
  • ActivistAmendment 1
    Nov 12, 2026
    AIFU · AIFU Inc.
    Magnus Management Limited
    47.44% · 34,333,332 shSEC
  • ActivistAmendment 4
    Nov 12, 2026
    AIFU · AIFU Inc.
    Expansion Group Ltd
    14.13% · 10,250,013 shSEC
  • ActivistAmendment 3
    Nov 12, 2026
    AIFU · AIFU Inc.
    YS Management Company Limited
    6.67% · 4,826,333 shSEC
  • ActivistAmendment 1
    Nov 12, 2026
    NNOX · Nano-X Imaging Ltd.
    Moalem Moshe
    8.33% · 6,557,157 shSEC
  • ActivistAmendment 2
    Nov 12, 2026
    SOPH · SOPHiA GENETICS SA
    Schindel Yair Chaim
    6.2% · 5,318,023 shSEC
  • ActivistAmendment 1
    Nov 12, 2026
    PDSB · PDS Biotechnology Corporation
    Nant Capital, LLC
    19.9% · 22,856,453 shSEC
  • ActivistAmendment 2
    Nov 11, 2026
    NWTG · Newton Golf Company, Inc.
    Hoge Brett Widney
    10.9% · 724,364 shSEC
  • ActivistAmendment 8Below 5%
    Nov 11, 2026
    BOOM · DMC Global Inc.
    Steel Partners Holdings L.P.
    4% · 817,187 shSEC
  • ActivistAmendment 5
    Nov 11, 2026
    MRCY · Mercury Systems Inc
    JANA Partners Management, LP
    6.4% · 3,880,671 shSEC
  • ActivistAmendment 1
    Nov 11, 2026
    JAGU · Jaguar Uranium Corp.
    IsoEnergy Ltd.
    16.1% · 3,253,150 shSEC
  • ActivistAmendment 8
    Nov 11, 2026
    MXF · The Mexico Fund, Inc.
    Saba Capital Management, L.P.
    17.64% · 2,544,332 shSEC
  • ActivistNew
    Nov 11, 2026
    HGTXU · Hugoton Royalty Trust
    Wandel John P. Jr.
    5.2% · 2,073,914 shSEC
  • ActivistAmendment 5
    Nov 10, 2026
    GFR · Greenfire Resources Ltd.
    Waterous Energy Fund Management Corp.
    72.45% · 177,007,356 shSEC
  • ActivistAmendment 5Below 5%
    Nov 10, 2026
    CON · Concentra Group Holdings Parent, Inc.
    Robert A. Ortenzio
    4.63% · 5,852,211 shSEC
  • ActivistAmendment 2
    Nov 10, 2026
    EVMN · Evommune, Inc.
    RA Capital Management, L.P.
    8.5% · 3,494,638 shSEC
  • ActivistAmendment 11
    Nov 10, 2026
    FIGS · FIGS, Inc.
    Spear Catherine Eva
    11.2% · 19,484,976 shSEC
  • ActivistAmendment 3
    Nov 10, 2026
    VREOF · Vireo Growth Inc.
    Chicago Atlantic Advisers, LLC
    14.5% · 7,470,203 shSEC
  • ActivistAmendment 4
    Nov 10, 2026
    TACT · Transact Technologies Inc
    Charles M. Gillman
    5.1% · 521,841 shSEC
  • ActivistAmendment 1
    Nov 10, 2026
    AEON · AEON Biopharma, Inc.
    Daewoong Co., Ltd.
    30.6% · 23,242,546 shSEC
  • ActivistAmendment 10
    Nov 10, 2026
    Sixth Street Lending Partners
    The Public Institution for Social Security
    6.9% · 12,545,017 shSEC
  • ActivistAmendment 5
    Nov 10, 2026
    ENHA · Enhanced Group Inc.
    Apeiron Investment Group Ltd.
    34.3% · 4,869,771 shSEC
  • ActivistAmendment 1
    Nov 10, 2026
    MIY · Blackrock Muniyield Michigan Quality Fund, Inc.
    Toronto Dominion Investments, Inc.
    100% · 2,319 shSEC
  • ActivistAmendment 1
    Nov 10, 2026
    BHV · Blackrock Virginia Municipal Bond Trust
    Toronto Dominion Investments, Inc.
    100% · 116 shSEC
  • ActivistAmendment 5
    Nov 10, 2026
    FRHC · Freedom Holding Corp.
    Turlov Timur R
    64.91% · 41,405,112 shSEC
  • ActivistAmendment 1
    Nov 10, 2026
    Core University Living Real Estate Income Trust
    CS RE Holdings, LLC
    19.1% · 2,625,661 shSEC
  • ActivistAmendment 9Below 5%
    Nov 10, 2026
    EXEL · Exelixis, Inc.
    Farallon Capital Management, L.L.C.
    4.9% · 12,017,906 shSEC
  • ActivistAmendment 11
    Nov 10, 2026
    FATE · Fate Therapeutics Inc
    Redmile Group, LLC
    14.99% · 19,164,572 shSEC
  • ActivistNew
    Nov 9, 2026
    GAME · GameSquare Holdings, Inc.
    Credenza, Inc.
    5.4% · 979,095 shSEC
  • ActivistAmendment 2Below 5%
    Nov 9, 2026
    SIRI · Sirius Xm Holdings Inc.
    John C. Malone
    4.8% · 16,127,021 shSEC
  • ActivistNewBelow 5%
    Nov 9, 2026
    MERC · Mercer International Inc.
    Redwood Capital Management LLC
    0% · 0 shSEC
  • ActivistAmendment 2
    Nov 9, 2026
    ETD · Ethan Allen Interiors Inc
    Douglas G. Bergeron
    5.1% · 1,275,000 shSEC
  • ActivistAmendment 11
    Nov 9, 2026
    CLYM · Climb Bio, Inc.
    RA Capital Management, L.P.
    33% · 23,941,277 shSEC
  • ActivistAmendment 1
    Nov 9, 2026
    SLE · Super League Enterprise, Inc.
    eSports Now LLC
    9.9% · 342,068 shSEC
  • ActivistAmendment 2
    Nov 9, 2026
    SLE · Super League Enterprise, Inc.
    Evo Fund
    9.9% · 530,661 shSEC