Southern Co
SO- Exchange
- NYSE
- Industry
- Electric Services
- SEC CIK
- 0000092122
In the last 90 days, Southern Co insiders filed 0 open-market purchases and 6 sales; 2,370 institutions reported holding it in 13F filings for Q2 2026, worth $79.9B in total; no superinvestor holds it.
Holders of 5% or more of SO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Southern Co, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Southern Co on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Southern Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 20261:20 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Mar 5, 202611:49 AM ET | JPMorgan Chase & Co | 13G/A | 3.70%41.3M shares | −2.50 ppfrom 6.20%Below 5% | Feb 27, 2026 | SEC |
| Jul 24, 20254:18 PM ET | JPMorgan Chase & Co | 13G/A | 6.20%68.4M shares | +1.10 ppfrom 5.10% | Jun 30, 2025 | SEC |
| Feb 10, 202512:51 PM ET | JPMorgan Chase & Co | 13G | 5.10%55.9M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Southern Co shares.
No Form 144 notices for Southern Co are on file.