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; 2,378 institutions reported holding it in 13F filings for Q2 2026, worth $79.9B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $105.6B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $834.8K in total
- 6
- 13F holdersQ2 2026, +34 vs. previous quarter
- 2,378
- 13F valueReported value at the end of Q2 2026
- $79.9B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $29.6B
- +10.6% year over year
- Net income, FY2025
- $4.34B
- +1.9% year over year
- Free cash flow, FY2025
- -$2.94B
- −452.3% year over year
- Revenue, Q1 FY2026
- $8.40B
- +8.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 30.4M
- Shares sold short
- Change
- +935.2K
- +3.2% vs. previous
- Days to cover
- 5.49
- At average daily volume
Superinvestors holding SO, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding SO at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Southern Co insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 9, 2026 (view filing)8:59 AM ET | Nov 6 | 3 days | Spainhour Sterling A Jr.EVP & CLO | SSaleSouthern Company Common Stock | −3.33K | $91.81 | −$306.0K | −9.5%31.9K after | 10b5-1 |
| Nov 3, 2026 (view filing)3:00 PM ET | Nov 2 | 1 day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $93.39 | −$9.34K | −2.0%4.79K after | 10b5-1 |
| Oct 1, 2026 (view filing)4:00 PM ET | Oct 1 | Same day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $82.73 | −$8.27K | −2.0%4.89K after | 10b5-1 |
| Sep 4, 2026 (view filing)1:00 PM ET | Sep 3 | 1 day | Sena Peter P IIIChairman,President & CEO, SNC | SSaleSouthern Company Common Stock | −4.27K | $88.59 | −$377.9K | −13.7%26.9K after | 10b5-1 |
| Sep 4, 2026 (view filing)1:00 PM ET | Sep 3 | 1 day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −1.40K | $88.87 | −$124.4K | −21.9%4.99K after | |
| Sep 3, 2026 (view filing)10:00 AM ET | Sep 1 | 2 days | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $88.45 | −$8.85K | −1.5%6.40K after | 10b5-1 |
| Aug 7, 2026 (view filing)3:00 PM ET | Aug 6 | 1 day | Spainhour Sterling A Jr.EVP & CLO | SSaleSouthern Company Common Stock | −3.33K | $94.02 | −$313.4K | −8.6%35.2K after | 10b5-1 |
| Aug 4, 2026 (view filing)10:30 AM ET | Aug 3 | 1 day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $94.28 | −$9.43K | −1.5%6.49K after | 10b5-1 |
| Jul 2, 2026 (view filing)2:00 PM ET | Jul 1 | 1 day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $95.77 | −$9.58K | −1.5%6.59K after | 10b5-1 |
| Jun 1, 2026 (view filing) | Jun 1 | Same day | Kim Matthew M.Comptroller | SSaleSouthern Company Common Stock | −100 | $91.16 | −$9.12K | −1.5%6.69K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 2,378 holdersThe largest institutional positions in Southern Co at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 92,990,716 | $8.90B | 0.13% | +2,622,013+2.9% | Added |
| Vanguard Capital Management LLC | 73,665,124 | $7.05B | 0.15% | +2,125,979+3.0% | Added |
| State Street Corp | 64,809,708 | $6.20B | 0.18% | +1,829,620+2.9% | Added |
| Capital World Investors | 62,518,698 | $5.98B | 0.71% | +6,278,825+11.2% | Added |
| Price T Rowe Associates Inc | 46,415,904 | $4.44B | 0.44% | +9,990,378+27.4% | Added |
| JPMorgan Chase & Co | 32,778,201 | $3.17B | 0.19% | −10,559,549−24.4% | Reduced |
| Geode Capital Management, LLC | 29,315,285 | $2.82B | 0.15% | +960,236+3.4% | Added |
| Vanguard Portfolio Management LLC | 27,023,691 | $2.59B | 0.12% | +886,834+3.4% | Added |
| FMR LLC | 22,537,244 | $2.16B | 0.09% | −350,690−1.5% | Reduced |
| Franklin Resources Inc | 16,561,908 | $1.59B | 0.34% | −247,401−1.5% | Reduced |
Holders of 5% or more of SO
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Southern Co.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.42%83.1M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| Capital World Investors | 13G | 5.60%63.0M shares | New | May 14, 20261 filing | May 14, 2026 | SEC |
Politician trades
All politician trades in SO12 members of Congress reported 32 trades in Southern Co since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Jan 16, 2026 |  Jared Moskowitz House · FL | Buy | $1K-$15K |
| Oct 10, 2025 |  Val T. Hoyle House · OR | Sell | $1K-$15K |
| Sep 12, 2025 | Val T. Hoyle House · OR | Buy | $1K-$15K |
| Aug 29, 2025 |  Marjorie Taylor Greene House · GA | Buy | $1K-$15K |
| May 9, 2025 | Jared Moskowitz House · FL | Buy | $1K-$15K |
House · FL · Jan 16, 2026
Buy$1K-$15K
House · OR · Oct 10, 2025
Sell$1K-$15K
House · OR · Sep 12, 2025
Buy$1K-$15K
House · GA · Aug 29, 2025
Buy$1K-$15K
House · FL · May 9, 2025
Buy$1K-$15K