Who Owns ACTINIUM PHARMACEUTICALS INC (ATNRW)? -- Institutional Holders (2026-06-30)

2 institutions reported holding $6,174 of ACTINIUM PHARMACEUTICALS INC (ATNRW) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($3,626), SIMPLEX TRADING, LLC ($2,548). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1GROUP ONE TRADING LLC$3,6263,700Added
2SIMPLEX TRADING, LLC$2,5482,600Trimmed

Source: SEC Form 13F filings · as of 2026-06-30