Who Owns SOUTHERN CO (SOMN)? -- Institutional Holders (2026-06-30)

56 institutions reported holding $2.00B of SOUTHERN CO (SOMN) in SEC 13F filings for 2026-06-30. Largest institutional holders: Capital World Investors ($404.7M), FRANKLIN RESOURCES INC ($349.0M), Voya Investment Management LLC ($235.4M), BlackRock, Inc. ($122.5M), Calamos Advisors LLC ($105.2M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Capital World Investors$404.7M8.1MTrimmed
2FRANKLIN RESOURCES INC$349.0M7.0MAdded
3Voya Investment Management LLC$235.4M4.7MTrimmed
4BlackRock, Inc.$122.5M2.5MTrimmed
5Calamos Advisors LLC$105.2M2.1MAdded
6MANUFACTURERS LIFE INSURANCE COMPANY, THE$103.4M2.1MAdded
7PRICE T ROWE ASSOCIATES INC /MD/$97.6M0Added
8AMERIPRISE FINANCIAL INC$64.4M1.3MAdded
9Portman Square Capital LLP$61.8M1.2MTrimmed
10ADVENT CAPITAL MANAGEMENT /DE/$60.8M1.2MAdded
11CAMDEN ASSET MANAGEMENT L P /CA$57.5M1.2MAdded
12VAN ECK ASSOCIATES CORP$49.8M1.0MTrimmed
13Nuveen, LLC$45.2M909,382Added
14MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$36.0M724,500New
15TWO SIGMA INVESTMENTS, LP$33.2M667,275New
16STATE STREET CORP$30.4M606,804Added
17VICTORY CAPITAL MANAGEMENT INC$25.0M503,000Added
18FMR LLC$21.5M430,259Trimmed
19Thrivent Financial for Lutherans$15.0M0Added
20WOLVERINE ASSET MANAGEMENT LLC$9.3M187,052New
21SSI INVESTMENT MANAGEMENT LLC$9.1M182,480Added
22Sculptor Capital LP$7.3M145,678New
23BANK OF AMERICA CORP /DE/$7.1M143,310Added
24Russell Investments Group, Ltd.$5.5M5.5MAdded
25Capital International, Inc./CA/$5.4M107,867Trimmed

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