688 institutions reported holding $8.13B of OGE ENERGY CORP (OGE) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($1.28B), VANGUARD GROUP INC ($1.06B), STATE STREET CORP ($351.6M), Clearbridge Investments, LLC ($320.7M), Boston Partners ($276.8M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30