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 122
  • ActivistAmendment 2
    Nov 2, 2026
    EVGO · EVgo Inc.
    EVgo Member Holdings, LLC
    56.81% · 178,682,352 shSEC
  • ActivistAmendment 3
    Oct 31, 2026
    SNES · SenesTech, Inc.
    Glenbrook Capital Management
    40.51% · 2,196,973 shSEC
  • ActivistAmendment 7
    Oct 31, 2026
    MAX · MediaAlpha, Inc.
    White Mountains Insurance Group, Ltd.
    35.1% · 17,856,614 shSEC
  • PassiveNew
    Oct 30, 2026
    Lycia Therapeutics, Inc.
    Venrock Healthcare Capital Partners III, L.P.
    11.9% · 6,850,237 shSEC
  • ActivistAmendment 28
    Oct 30, 2026
    GRBK · Green Brick Partners, Inc.
    Einhorn David
    24.4% · 10,336,493 shSEC
  • ActivistAmendment 6
    Oct 30, 2026
    PGIM · PGIM Private Credit Fund
    The Prudential Insurance Company of America
    61.2% · 7,784,052 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    SHO · Sunstone Hotel Investors Inc
    Vanguard Portfolio Management
    11.33% · 21,076,792 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    DRH · DiamondRock Hospitality Co
    Vanguard Portfolio Management
    12.76% · 26,122,865 shSEC
  • PassiveAmendment 4
    Oct 30, 2026
    HGLB · Highland Global Allocation Fund
    Raymond James & Associates
    11% · 2,580,734 shSEC
  • PassiveNew
    Oct 30, 2026
    BANL · CBL International Limited
    Berjaya Shipping Limited
    18.9% · 300,000 shSEC
  • PassiveAmendment 11
    Oct 30, 2026
    TATT · TAT Technologies Ltd
    Meitav Investment House Ltd
    19.48% · 2,528,804 shSEC
  • ActivistAmendment 1
    Oct 30, 2026
    ESYN · Enersyn Global Inc.
    Liu Ming Hui
    94.8% · 180,000,000 shSEC
  • ActivistNew
    Oct 30, 2026
    LUDG · Ludwig Enterprises, Inc.
    Foxo Technologies Inc.
    74.9% · 500,000,000 shSEC
  • ActivistNew
    Oct 29, 2026
    ZVIA · Zevia PBC
    Bubble Holdings, LLC
    16.1% · 13,812,154 shSEC
  • PassiveNew
    Oct 29, 2026
    LTGO · Latigo Biotherapeutics, Inc.
    Dr. Beth C. Seidenberg
    19.9% · 13,199,669 shSEC
  • PassiveNew
    Oct 29, 2026
    ETRA · Electra Therapeutics, Inc.
    Dr. Beth C. Seidenberg
    10.1% · 6,347,539 shSEC
  • ActivistAmendment 45
    Oct 29, 2026
    TOPS · Top Ships Inc.
    Family Trading Inc.
    21.95% · 2,930,718 shSEC
  • PassiveNew
    Oct 29, 2026
    BUUU · BUUU Group Ltd
    A Max Holding Limited
    16.8% · 25,000,000 shSEC
  • ActivistAmendment 11
    Oct 29, 2026
    ULBI · Ultralife Corp
    Whitmore Bradford T
    40.3% · 6,708,835 shSEC
  • ActivistAmendment 36
    Oct 29, 2026
    TMUS · T-Mobile US, Inc.
    Deutsche Telekom AG
    55.9% · 592,065,875 shSEC
  • PassiveNew
    Oct 29, 2026
    RBNE · Robin Energy Ltd.
    Fouad Ahmed
    43% · 573,090 shSEC
  • PassiveAmendment 12
    Oct 29, 2026
    SOBR · SOBR Safe, Inc.
    Corley Thomas John
    19.5% · 1,051,800 shSEC
  • PassiveNew
    Oct 29, 2026
    AIBT · Aibotics, Inc.
    Harris Toby Allen
    15.4% · 137,264,097 shSEC
  • ActivistAmendment 19
    Oct 29, 2026
    NNDM · Nano Dimension Ltd.
    Murchinson Ltd.
    10.1% · 20,416,500 shSEC
  • ActivistNew
    Oct 28, 2026
    SWBI · Smith & Wesson Brands, Inc.
    JDH Capital I, L.P.
    16.7% · 8,993,968 shSEC
  • ActivistAmendment 3
    Oct 28, 2026
    RCT · RedCloud Holdings plc
    Byland Christina Elisabeth
    68.81% · 59,146,907 shSEC
  • ActivistNew
    Oct 28, 2026
    NEWH · NewHydrogen, Inc.
    SunHydrogen, Inc.
    42.7% · 610,950,000 shSEC
  • PassiveAmendment 5
    Oct 28, 2026
    HSHP · Himalaya Shipping Ltd.
    Drew Holdings Ltd.
    22.5% · 10,505,732 shSEC
  • ActivistAmendment 3
    Oct 28, 2026
    RCT · RedCloud Holdings plc
    Senn Nikolaus Beat
    13.92% · 11,986,524 shSEC
  • ActivistAmendment 1
    Oct 28, 2026
    LONA · LeonaBio, Inc.
    Sermonix Pharmaceuticals, Inc.
    25.1% · 3,149,470 shSEC
  • PassiveNew
    Oct 28, 2026
    PRIMECAP Odyssey Funds
    Principle Wealth Partners LLC
    37.2% · 7,171,893 shSEC
  • ActivistAmendment 65
    Oct 28, 2026
    WEN · The Wendy's Company
    Nelson Peltz
    16.23% · 30,946,510 shSEC
  • ActivistAmendment 12
    Oct 28, 2026
    RNW · ReNew Energy Global plc
    Sumant Sinha
    19.75% · 60,540,417 shSEC
  • ActivistAmendment 2
    Oct 28, 2026
    AMBR · Amber International Holding Limited
    Yuao Wu
    19.1% · 94,198,422 shSEC
  • PassiveAmendment 7
    Oct 28, 2026
    STG · Sunlands Technology Group
    Lam Lai Ming
    12.3% · 273,838 shSEC
  • PassiveAmendment 2
    Oct 28, 2026
    PESI · Perma Fix Environmental Services Inc
    HOLD Alapkezelo Zrt.
    15.2% · 3,216,097 shSEC
  • ActivistAmendment 1
    Oct 27, 2026
    PUSA · Powerus Corp
    Michael Sinensky
    11.6% · 19,323,824 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    CPRI · Capri Holdings Ltd
    BlackRock, Inc.
    14.8% · 16,778,123 shSEC
  • PassiveAmendment 2
    Oct 27, 2026
    UTI · Universal Technical Institute Inc
    BlackRock, Inc.
    14% · 7,711,515 shSEC
  • PassiveAmendment 17
    Oct 27, 2026
    SWX · Southwest Gas Holdings Inc
    BlackRock, Inc.
    15.1% · 10,928,736 shSEC
  • PassiveAmendment 20
    Oct 27, 2026
    SCHL · Scholastic Corp
    BlackRock, Inc.
    12.8% · 2,249,991 shSEC
  • PassiveAmendment 10
    Oct 27, 2026
    HTO · H2o America
    BlackRock, Inc.
    14.8% · 6,182,197 shSEC
  • PassiveAmendment 14
    Oct 27, 2026
    MCHP · Microchip Technology Incorporated
    BlackRock, Inc.
    11.6% · 63,269,934 shSEC
  • PassiveAmendment 5
    Oct 27, 2026
    KRYS · Krystal Biotech Inc
    BlackRock, Inc.
    11.6% · 3,427,645 shSEC
  • PassiveAmendment 9
    Oct 27, 2026
    Ishares Global Healthcare Etf
    BlackRock, Inc.
    24.2% · 10,237,365 shSEC
  • PassiveAmendment 7
    Oct 27, 2026
    HRMY · Harmony Biosciences Holdings, Inc.
    BlackRock, Inc.
    12.6% · 7,361,888 shSEC
  • PassiveAmendment 6
    Oct 27, 2026
    CRS · Carpenter Technology Corp
    BlackRock, Inc.
    12.3% · 6,073,435 shSEC
  • PassiveAmendment 2
    Oct 27, 2026
    HAYW · Hayward Holdings, Inc.
    BlackRock, Inc.
    11.8% · 25,079,089 shSEC
  • PassiveAmendment 13
    Oct 27, 2026
    GT · The Goodyear Tire And Rubber Company
    BlackRock, Inc.
    14.6% · 42,110,493 shSEC
  • PassiveAmendment 2
    Oct 27, 2026
    COCO · The Vita Coco Company Inc
    BlackRock, Inc.
    12.7% · 7,310,716 shSEC