The Southern Company (SO) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for SO. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Vanguard | 113,133,256 | $10.8B | INCREASED |
| BlackRock | 92,990,716 | $8.9B | INCREASED |
| State Street | 64,809,708 | $6.2B | INCREASED |
| Capital Group | 63,555,458 | $6.1B | INCREASED |
| T. Rowe Price | 46,436,959 | $4.4B | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Matthew M. Kim (Comptroller) | SELL | 1,400 | $124K | 2026-09-03 |
| Peter P Sena III (Chairman,President & CEO, SNC) | SELL | 4,266 | $378K | 2026-09-03 |
| Matthew M. Kim (Comptroller) | SELL | 100 | $9K | 2026-09-01 |
| Sterling A Spainhour Jr. (EVP & CLO) | SELL | 3,333 | $313K | 2026-08-06 |
| Matthew M. Kim (Comptroller) | SELL | 100 | $9K | 2026-08-03 |
Full institutional holdings, insider history, and congressional trades for The Southern Company on SentiSense.