27 institutions reported holding $662,564 of PHIO PHARMACEUTICALS CORP (PHIO) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($135,742), JANE STREET GROUP, LLC ($120,699), GEODE CAPITAL MANAGEMENT, LLC ($117,437), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. ($51,000), Cetera Investment Advisers ($48,688). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30