SO (SOUTHERN CO) is held by 317 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($8.9B), VANGUARD CAPITAL MANAGEMENT LLC ($7.1B), STATE STREET CORP ($6.2B). Net institutional sentiment: Mixed.
317
Holders
(30 Elite)
$74.1B
Total Value
60% (333)
Consensus
199 buying - 134 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 14, 2026 · Insiders Oct 1, 2026 · Activists May 14, 2026 · Congress none
InsiderKMKim Matthew M.Sell $8KOct 1, 2026
InsiderSISena Peter P IIISell $378KSep 3, 2026
InsiderKMKim Matthew M.Sell $124KSep 3, 2026
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Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer