Significant Ownership of AVENIR CORP

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for AVENIR CORP focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
James H. Rooney - President
Manager location
Alexandria, VA

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Significant Ownership of AVENIR CORP

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CTSO Cytosorbents Corp Common Stock 8.3% $3,817,972 +$1,559,392 5,230,099 +69% AVENIR CORP 31 Dec 2025

Schedules 13D/G Reported by AVENIR CORP:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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