2,465 institutions reported holding $81.15B of SOUTHERN CO (SO) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($10.81B), BlackRock, Inc. ($8.90B), STATE STREET CORP ($6.20B), Capital World Investors ($5.98B), PRICE T ROWE ASSOCIATES INC /MD/ ($4.44B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30