Activist & passive stakes

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

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New filings only, amendments hidden. Show all filings →1–30 of 30
  • PassiveNew
    Nov 13, 2026
    AMAC · Amr Resources Acquisition Corp.
    Magnetar Financial Llc
    9.17% · 2,450,000 shSEC
  • PassiveNew
    Nov 13, 2026
    FJDI · Arc Group Securities Acquisition I
    Magnetar Financial Llc
    7.23% · 800,000 shSEC
  • PassiveNew
    Nov 13, 2026
    XIII · Churchill Capital Corp Xiii
    Magnetar Financial Llc
    8.26% · 3,450,000 shSEC
  • PassiveNew
    Nov 13, 2026
    BRTM · B&R Technology Merger Corp.
    Magnetar Financial Llc
    8.17% · 3,000,000 shSEC
  • PassiveNew
    Nov 13, 2026
    BRRK · Bluerock Acquisition Corp. Ii
    Magnetar Financial Llc
    8.61% · 1,485,000 shSEC
  • PassiveNew
    Nov 13, 2026
    LOVI · Live Oak Acquisition Corp. Vi
    Magnetar Financial Llc
    7.75% · 1,782,899 shSEC
  • PassiveNew
    Nov 13, 2026
    CCCT · Columbus Circle Capital Corp Iii
    Magnetar Financial Llc
    5.49% · 1,299,993 shSEC
  • PassiveNew
    Nov 13, 2026
    FDMM · Freedom Metals Acquisition Corp.
    Magnetar Financial Llc
    7.06% · 1,999,995 shSEC
  • PassiveNew
    Nov 13, 2026
    HYAC · Haymaker Acquisition Corp V
    Magnetar Financial Llc
    7.65% · 2,200,000 shSEC
  • PassiveNew
    Nov 13, 2026
    JONE · Jones Ventures Intl Acquisition1 Corp
    Magnetar Financial Llc
    9.41% · 1,980,000 shSEC
  • PassiveNew
    Nov 13, 2026
    LEDR · Leader'S Advantage Acquisition Corp.
    Magnetar Financial Llc
    8.23% · 1,250,000 shSEC
  • PassiveNew
    Nov 13, 2026
    MTAK · Market Technology Acquisition Corp
    Magnetar Financial Llc
    8.49% · 1,800,000 shSEC
  • PassiveNew
    Nov 13, 2026
    MRCO · Mercator Acquisition Corp.
    Magnetar Financial Llc
    8.7% · 1,500,000 shSEC
  • PassiveNew
    Nov 13, 2026
    MIAC · Meridian3 Industrials Acquisition Corp
    Magnetar Financial Llc
    7.45% · 1,500,000 shSEC
  • PassiveNew
    Nov 13, 2026
    NSAI · Northstrive Acquisition Corp I.
    Magnetar Financial Llc
    7.06% · 722,500 shSEC
  • PassiveNew
    Nov 13, 2026
    OCLT · Oceanlight Acquisition Corp
    Magnetar Financial Llc
    5.8% · 980,000 shSEC
  • PassiveNew
    Nov 13, 2026
    OSPR · Osprey Acquisition Corp. Iii
    Magnetar Financial Llc
    6.5% · 2,000,000 shSEC
  • PassiveNew
    Nov 13, 2026
    PNAQ · Pinnacle Acquisition Corp
    Magnetar Financial Llc
    7.42% · 1,500,000 shSEC
  • PassiveNew
    Nov 13, 2026
    RNAQ · Rainier Acquisition Corp
    Magnetar Financial Llc
    5.1% · 450,000 shSEC
  • PassiveNew
    Nov 13, 2026
    SAMO · Samos Energy Acquisition Corp
    Magnetar Financial Llc
    5.22% · 1,200,000 shSEC
  • PassiveNew
    Nov 13, 2026
    TLAC · Three Lions Acquisition Corp.
    Magnetar Financial Llc
    6.58% · 950,000 shSEC
  • PassiveNew
    Nov 13, 2026
    TBCV · Thunder Bridge Capital Partners V, Ltd.
    Magnetar Financial Llc
    5.72% · 1,760,000 shSEC
  • PassiveNew
    Nov 13, 2026
    VII · Viking Acquisition Corp. Ii
    Magnetar Financial Llc
    8.05% · 1,900,000 shSEC
  • PassiveNew
    Nov 13, 2026
    XTER · Xterax Corp Ii
    Magnetar Financial Llc
    9.2% · 1,900,000 shSEC
  • PassiveNew
    Nov 13, 2026
    PLNT · Planet Fitness, Inc.
    AQR Capital Management, LLC
    6.73% · 5,063,649 shSEC
  • PassiveNew
    Nov 13, 2026
    AVT · Avnet Inc
    AQR Capital Management, LLC
    5.33% · 4,375,320 shSEC
  • PassiveNew
    Nov 11, 2026
    VISN · Vistance Networks, Inc.
    The Goldman Sachs Group, Inc.
    7.6% · 17,413,253 shSEC
  • PassiveNew
    Nov 10, 2026
    NTCL · NetClass Technology Inc
    S.H.N. Financial Investments Ltd.
    9.99% · 682,083 shSEC
  • PassiveNewBelow 5%
    Nov 10, 2026
    NTCT · Netscout Systems Inc
    State Street Corporation
    4.9% · 3,563,952 shSEC
  • PassiveNew
    Nov 10, 2026
    CYTK · Cytokinetics Inc
    State Street Corporation
    5.1% · 7,143,229 shSEC