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.1–6 of 6
  • PassiveAmendment 1Below 5%
    Oct 30, 2026
    XRN · Chiron Real Estate Inc
    Vanguard Portfolio Management
    4.77% · 631,710 shSEC
  • PassiveAmendment 2Below 5%
    Oct 28, 2026
    IRWD · Ironwood Pharmaceuticals Inc
    Bank Of America Corp /De/
    3.2% · 5,219,315 shSEC
  • PassiveAmendment 2
    Oct 28, 2026
    PESI · Perma Fix Environmental Services Inc
    HOLD Alapkezelo Zrt.
    15.2% · 3,216,097 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    iShares Environmental Infrastructure and Industrials ETF
    BlackRock Portfolio Management LLC
    33.4% · 53,500 shSEC
  • PassiveAmendment 3
    Oct 27, 2026
    iShares Breakthrough Environmental Solutions ETF
    BlackRock Portfolio Management LLC
    43.8% · 70,000 shSEC
  • PassiveNew
    Oct 27, 2026
    XRN · Chiron Real Estate Inc
    BlackRock Portfolio Management LLC
    5.5% · 731,963 shSEC