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.1–3 of 3
  • PassiveAmendment 6
    Nov 13, 2026
    BMTM · Bright Mountain Media, Inc.
    10th Lane Partners, LP
    28.4% · 53,160,730 shSEC
  • ActivistAmendment 9
    Nov 13, 2026
    MAX · MediaAlpha, Inc.
    White Mountains Insurance Group, Ltd.
    22.6% · 11,226,223 shSEC
  • ActivistAmendment 8
    Nov 6, 2026
    MAX · MediaAlpha, Inc.
    White Mountains Insurance Group, Ltd.
    24.3% · 12,356,223 shSEC