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.151–200 of 933
  • PassiveNew
    Nov 12, 2026
    PMN · ProMIS Neurosciences Inc.
    Adage Capital Management, L.P.
    7.73% · 703,550 shSEC
  • PassiveNew
    Nov 12, 2026
    BRRK · Bluerock Acquisition Corp. II
    Adage Capital Management, L.P.
    6.96% · 1,200,000 shSEC
  • PassiveAmendment 1
    Nov 12, 2026
    HELP · Helus Pharma Inc.
    Adage Capital Management, L.P.
    7.48% · 5,479,250 shSEC
  • PassiveNew
    Nov 12, 2026
    BCCQ · Bleichroeder Acquisition Corp. III
    Adage Capital Management, L.P.
    7.75% · 2,672,244 shSEC
  • PassiveNew
    Nov 12, 2026
    PWP · Perella Weinberg Partners
    Adage Capital Management, L.P.
    5.26% · 4,066,391 shSEC
  • PassiveAmendment 2
    Nov 12, 2026
    EQ · Equillium, Inc.
    Adage Capital Management, L.P.
    5.93% · 3,966,917 shSEC
  • PassiveNew
    Nov 12, 2026
    BRTM · B&R Technology Merger Corp.
    Adage Capital Management, L.P.
    7.96% · 2,925,000 shSEC
  • PassiveNew
    Nov 12, 2026
    MTAK · Market Technology Acquisition Corp
    Adage Capital Management, L.P.
    8.49% · 1,800,000 shSEC
  • PassiveAmendment 1
    Nov 12, 2026
    XIFR · XPLR Infrastructure, LP
    Adage Capital Management, L.P.
    9.68% · 9,124,104 shSEC
  • PassiveAmendment 1Below 5%
    Nov 12, 2026
    IRD · Opus Genetics, Inc.
    Adage Capital Management, L.P.
    2.71% · 2,254,996 shSEC
  • PassiveNew
    Nov 12, 2026
    AVBH · Avidbank Holdings, Inc.
    Adage Capital Management, L.P.
    5.34% · 587,045 shSEC
  • PassiveNew
    Nov 12, 2026
    LOVI · Live Oak Acquisition Corp. VI
    Adage Capital Management, L.P.
    7.83% · 1,800,000 shSEC
  • PassiveAmendment 2
    Nov 12, 2026
    NPB · Northpointe Bancshares, Inc.
    Adage Capital Management, L.P.
    8.96% · 3,098,514 shSEC
  • PassiveNew
    Nov 12, 2026
    AAC · Ares Acquisition Corp III
    Adage Capital Management, L.P.
    7.86% · 3,105,000 shSEC
  • PassiveNew
    Nov 12, 2026
    LEDR · Leader's Advantage Acquisition Corp.
    Adage Capital Management, L.P.
    8.89% · 1,350,000 shSEC
  • PassiveNew
    Nov 12, 2026
    CAMP · Camp4 Therapeutics Corporation
    Adage Capital Management, L.P.
    6.68% · 4,190,023 shSEC
  • PassiveNew
    Nov 12, 2026
    KRRO · Korro Bio, Inc.
    Adage Capital Management, L.P.
    6.79% · 1,000,000 shSEC
  • PassiveNew
    Nov 12, 2026
    AMAC · AMR Resources Acquisition Corp.
    Adage Capital Management, L.P.
    8.42% · 2,250,000 shSEC
  • PassiveNew
    Nov 12, 2026
    XLO · Xilio Therapeutics, Inc.
    Adage Capital Management, L.P.
    7.06% · 464,598 shSEC
  • PassiveNew
    Nov 12, 2026
    XTER · Karman Line Acquisition Corp.
    Adage Capital Management, L.P.
    7.26% · 1,500,002 shSEC
  • PassiveNew
    Nov 12, 2026
    VOGX · Vogenx, Inc.
    Adage Capital Management, L.P.
    5.39% · 800,000 shSEC
  • PassiveNew
    Nov 12, 2026
    IPHX · Inflection Point Acquisition Corp. VIII
    Adage Capital Management, L.P.
    7.83% · 2,250,000 shSEC
  • PassiveNew
    Nov 12, 2026
    GIX · GigCapital9 Corp.
    Lighthouse Investment Partners, LLC
    5.66% · 1,454,269 shSEC
  • PassiveNew
    Nov 12, 2026
    SGHC · Super Group (SGHC) Limited
    Helikon Investments Limited
    5.1% · 25,931,853 shSEC
  • PassiveAmendment 2
    Nov 12, 2026
    Orezone Gold Corp
    Helikon Investments Limited
    13.8% · 92,068,336 shSEC
  • PassiveAmendment 3
    Nov 12, 2026
    AAUC · Allied Gold Corp
    Helikon Investments Limited
    15.02% · 20,935,981 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
  • PassiveAmendment 4
    Nov 12, 2026
    TCX · Tucows Inc.
    Blacksheep Fund Management Ltd.
    8.4% · 942,733 shSEC
  • PassiveAmendment 1
    Nov 12, 2026
    CBRS · Cerebras Systems Inc.
    Foundation Capital Management Co. VIII, L.L.C.
    7.6% · 9,521,326 shSEC
  • PassiveAmendment 6
    Nov 12, 2026
    AFL · Aflac Inc.
    Japan Post Holdings Co., Ltd.
    10.13% · 50,121,329 shSEC
  • ActivistAmendment 1
    Nov 12, 2026
    NNOX · Nano-X Imaging Ltd.
    Moalem Moshe
    8.33% · 6,557,157 shSEC
  • PassiveNew
    Nov 12, 2026
    GLED · GalaxyEdge Acquisition Corporation
    Mizuho Financial Group, Inc.
    5.6% · 901,705 shSEC
  • ActivistAmendment 2
    Nov 12, 2026
    SOPH · SOPHiA GENETICS SA
    Schindel Yair Chaim
    6.2% · 5,318,023 shSEC
  • PassiveNew
    Nov 12, 2026
    GSHR · Gesher Acquisition Corp. II
    Mizuho Financial Group, Inc.
    5.9% · 875,000 shSEC
  • PassiveNew
    Nov 12, 2026
    BEAG · Bold Eagle Acquisition Corp.
    Mizuho Financial Group, Inc.
    6.2% · 1,621,408 shSEC
  • PassiveNew
    Nov 12, 2026
    RFAM · RF Acquisition Corp III
    Mizuho Financial Group, Inc.
    6.5% · 900,447 shSEC
  • PassiveNew
    Nov 12, 2026
    ORIQ · Origin Investment Corp I
    Mizuho Financial Group, Inc.
    6.5% · 560,600 shSEC
  • PassiveAmendment 3Below 5%
    Nov 12, 2026
    NOA · North American Construction Group Ltd.
    Bank of Montreal
    4.13% · 1,146,871 shSEC
  • PassiveNew
    Nov 12, 2026
    LKSP · Lake Superior Acquisition Corp.
    Mizuho Financial Group, Inc.
    7.1% · 1,115,811 shSEC
  • PassiveNew
    Nov 12, 2026
    WSTN · Westin Acquisition Corp
    Mizuho Financial Group, Inc.
    8.1% · 490,260 shSEC
  • PassiveAmendment 3Below 5%
    Nov 12, 2026
    Crinetics Pharmaceuticals, Inc.
    Farallon Capital Management, L.L.C.
    0% · 0 shSEC
  • PassiveNew
    Nov 12, 2026
    ZM · Zoom Communications, Inc.
    Norges Bank
    5.147% · 13,548,526 shSEC
  • PassiveAmendment 7
    Nov 12, 2026
    VNO · Vornado Realty Trust
    Norges Bank
    5.1206% · 9,561,145 shSEC
  • PassiveAmendment 7
    Nov 12, 2026
    VMRK · Vivmark Residential
    Norges Bank
    6.8904% · 53,396,865 shSEC
  • PassiveAmendment 1
    Nov 12, 2026
    TYL · Tyler Technologies, Inc.
    Norges Bank
    6.8183% · 2,792,269 shSEC
  • PassiveNew
    Nov 12, 2026
    SMA · SmartStop Self Storage REIT, Inc.
    Norges Bank
    5.96% · 3,300,000 shSEC
  • PassiveAmendment 7Below 5%
    Nov 12, 2026
    ROG · Rogers Corp
    Norges Bank
    2.0428% · 365,017 shSEC
  • PassiveAmendment 4Below 5%
    Nov 12, 2026
    RYN · Rayonier Inc
    Norges Bank
    0.9984% · 2,970,931 shSEC