The Southern Company (SO) ownership: Top institutional holder: VANGUARD GROUP INC ($9.42B). Insider activity: Net Seller (2 buys, 18 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 108057413.00 | $9.42B | 2025-12-31 |
| BlackRock, Inc. | 90368703.00 | $8.72B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 71539145.00 | $6.90B | 2026-03-31 |
| STATE STREET CORP | 62980088.00 | $6.08B | 2026-03-31 |
| Capital World Investors | 56239873.00 | $5.43B | 2026-03-31 |
| JPMORGAN CHASE & CO | 43337750.00 | $4.20B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 28355049.00 | $2.75B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 26136857.00 | $2.52B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-24 | |
| Buy | null | 2026-05-24 | |
| Sell | null | 2026-05-24 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Buy | null | 2026-04-01 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.