Activist & passive stakes

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

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Amendments only.1–50 of 127
  • 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
  • ActivistAmendment 28
    Oct 30, 2026
    GRBK · Green Brick Partners, Inc.
    Einhorn David
    24.4% · 10,336,493 shSEC
  • ActivistAmendment 14
    Oct 30, 2026
    WRLD · World Acceptance Corporation
    Prescott General Partners LLC
    26.6% · 1,242,619 shSEC
  • PassiveAmendment 27
    Oct 30, 2026
    PEGA · Pegasystems Inc.
    Alan Trefler
    47.8% · 79,095,963 shSEC
  • PassiveAmendment 1
    Oct 30, 2026
    MDLN · Medline Inc.
    GIC Private Limited
    13.03% · 114,357,929 shSEC
  • ActivistAmendment 6
    Oct 30, 2026
    PGIM · PGIM Private Credit Fund
    The Prudential Insurance Company of America
    61.2% · 7,784,052 shSEC
  • ActivistAmendment 8
    Oct 30, 2026
    WIA · Western Asset Inflation-Linked Income Fund
    Karpus Management, Inc.
    38.82% · 9,052,797 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
  • ActivistAmendment 45
    Oct 29, 2026
    TOPS · Top Ships Inc.
    Family Trading Inc.
    21.95% · 2,930,718 shSEC
  • ActivistAmendment 11
    Oct 29, 2026
    ULBI · Ultralife Corp
    Whitmore Bradford T
    40.3% · 6,708,835 shSEC
  • PassiveAmendment 16
    Oct 29, 2026
    ACP · abrdn Income Credit Strategies Fund
    UBS Group AG
    28.8% · 461,313 shSEC
  • ActivistAmendment 3
    Oct 29, 2026
    First Eagle Private Credit Fund
    First Eagle Investment Management, LLC
    64.7% · 8,307,057 shSEC
  • PassiveAmendment 3
    Oct 28, 2026
    PLBY · Playboy, Inc.
    Fig Llc
    10.1% · 11,827,626 shSEC
  • ActivistAmendment 6
    Oct 28, 2026
    PLBY · Playboy, Inc.
    Gyorgy Gattyan
    12.9% · 15,109,818 shSEC
  • ActivistAmendment 3
    Oct 28, 2026
    RCT · RedCloud Holdings plc
    Byland Christina Elisabeth
    68.81% · 59,146,907 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
  • ActivistAmendment 5
    Oct 28, 2026
    GPRK · GeoPark Limited
    Jaime Gilinski
    27.9% · 18,115,791 shSEC
  • ActivistAmendment 10
    Oct 28, 2026
    MGM · Mgm Resorts International
    People Incorporated
    26.5% · 66,822,350 shSEC
  • ActivistAmendment 65
    Oct 28, 2026
    WEN · The Wendy's Company
    Nelson Peltz
    16.23% · 30,946,510 shSEC
  • ActivistAmendment 17
    Oct 28, 2026
    RNW · ReNew Energy Global plc
    Canada Pension Plan Investment Board
    34.3% · 88,846,844 shSEC
  • ActivistAmendment 12
    Oct 28, 2026
    RNW · ReNew Energy Global plc
    Sumant Sinha
    19.75% · 60,540,417 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 4
    Oct 27, 2026
    RRGB · Red Robin Gourmet Burgers Inc
    Pappas James C
    10.3% · 1,944,276 shSEC
  • ActivistAmendment 1
    Oct 27, 2026
    PUSA · Powerus Corp
    Michael Sinensky
    11.6% · 19,323,824 shSEC
  • ActivistAmendment 3
    Oct 27, 2026
    First Eagle Private Credit Fund
    NextEra Energy, Inc.
    31.9% · 4,097,524 shSEC
  • ActivistAmendment 1
    Oct 27, 2026
    AIOK · AI OKTO Corp.
    Pani Corp.
    77.2% · 3,336,185 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    CPRI · Capri Holdings Ltd
    BlackRock, Inc.
    14.8% · 16,778,123 shSEC
  • PassiveAmendment 18
    Oct 27, 2026
    WKC · World Kinect Corp
    BlackRock, Inc.
    14.9% · 7,622,630 shSEC
  • PassiveAmendment 20
    Oct 27, 2026
    SCHL · Scholastic Corp
    BlackRock, Inc.
    12.8% · 2,249,991 shSEC
  • PassiveAmendment 14
    Oct 27, 2026
    MCHP · Microchip Technology Incorporated
    BlackRock, Inc.
    11.6% · 63,269,934 shSEC
  • PassiveAmendment 6
    Oct 27, 2026
    PI · Impinj Inc
    BlackRock, Inc.
    14.7% · 4,495,591 shSEC
  • PassiveAmendment 6
    Oct 27, 2026
    EGP · Eastgroup Properties Inc
    BlackRock, Inc.
    12.4% · 6,665,545 shSEC
  • PassiveAmendment 6
    Oct 27, 2026
    CRS · Carpenter Technology Corp
    BlackRock, Inc.
    12.3% · 6,073,435 shSEC
  • PassiveAmendment 19
    Oct 27, 2026
    CALY · Callaway Golf Company
    BlackRock, Inc.
    13% · 23,222,201 shSEC
  • PassiveAmendment 13
    Oct 27, 2026
    GT · The Goodyear Tire And Rubber Company
    BlackRock, Inc.
    14.6% · 42,110,493 shSEC
  • PassiveAmendment 21
    Oct 27, 2026
    FMC · Fmc Corporation
    BlackRock, Inc.
    12.4% · 19,212,962 shSEC
  • PassiveAmendment 17
    Oct 27, 2026
    ASB · Associated Banc-Corp
    BlackRock, Inc.
    11.2% · 21,086,676 shSEC
  • PassiveAmendment 2
    Oct 27, 2026
    COCO · The Vita Coco Company Inc
    BlackRock, Inc.
    12.7% · 7,310,716 shSEC
  • PassiveAmendment 2
    Oct 27, 2026
    VCTR · Victory Capital Holdings Inc
    BlackRock, Inc.
    11.3% · 6,967,697 shSEC
  • PassiveAmendment 7
    Oct 27, 2026
    TGTX · Tg Therapeutics, Inc.
    BlackRock, Inc.
    13.8% · 21,190,534 shSEC
  • PassiveAmendment 4
    Oct 27, 2026
    SABR · Sabre Corp
    BlackRock, Inc.
    11.9% · 47,957,549 shSEC
  • PassiveAmendment 8
    Oct 27, 2026
    PTGX · Protagonist Therapeutics, Inc
    BlackRock, Inc.
    15.2% · 9,834,146 shSEC
  • PassiveAmendment 5
    Oct 27, 2026
    PGNY · Progyny, Inc.
    BlackRock, Inc.
    14.7% · 11,294,526 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    VSTS · Vestis Corp
    BlackRock, Inc.
    11.4% · 15,112,221 shSEC
  • PassiveAmendment 7
    Oct 27, 2026
    KRG · Kite Realty Group Trust
    BlackRock, Inc.
    15.5% · 31,091,483 shSEC