D vs SO
Dominion Energy, Inc (D) and Southern Co (SO) are both filed with the SEC under Electric Services. SO is 1.7× D's size by market cap ($100.4B against $58.5B); SO trades at the higher fiscal-year P/E (22.7× against 19.3×); D reports the higher net margin (18.2% against 14.7%); D grew sales faster over three years (+5.8% against +0.3%); and over the past year D returned +14.4% against SO's -2.0%.
| D | SO | |
|---|---|---|
| Last close | $65.55 | $88.25 |
| Market cap | $58.5B | $100.4B |
| P/E (FY) | 19.3× | 22.7× |
| P/S | 3.5× | 3.4× |
| EV/EBITDA | 15.7× | 12.8× |
| Operating margin | 26.7% | 24.7% |
| Net margin | 18.2% | 14.7% |
| Return on equity | 10.7% | 12.5% |
| Sales growth (3y) | +5.8% | +0.3% |
| EPS growth (3y) | +37.4% | +6.3% |
| Dividend yield | 3.9% | 3.0% |
| 1-year return | +14.4% | -2.0% |
Screener snapshot — prices as of 2026-08-28. Each side's last close is the most recent session the snapshot holds for that company, which can be an earlier one, and its 1-year return is measured to that close. Market caps struck on 2026-08-27. Last close, market cap and the 1-year return are price figures; every other row is computed over the company's latest filed fiscal year — FY2025 (ended 2025-12-31) for both.
Who holds them, and who has traded them
| D | SO | |
|---|---|---|
| Institutional holders (13F) | 1,465 | 2,334 |
| Insider buyers − sellers (180d) | — | -4 |
| Congressional trades disclosed (180d) | 0 | 0 |
| Executive-branch officials on file — trades disclosed (180d) | 4 | 14 |
Counts only. The congressional figures count transactions dated in the trailing 180 days and disclosed in STOCK Act periodic transaction reports; amounts are filed as ranges and are never summed. The executive-branch figures count the same window of transactions, and they are scoped to one roster. The officials OGE posts for direct download. Insider buyers − sellers counts distinct people filing open-market Form 4 purchases minus distinct people filing open-market sales over the trailing 180 days, capped at ±5. — no open-market Form 4 purchases or sales in the window.
D vs SO: common questions
- Is D bigger than SO?
- SO carries the larger market cap — $100.4B against $58.5B, both struck on 2026-08-27.
- Which trades at a higher P/E, D or SO?
- SO, at a fiscal-year 22.7× against 19.3× for D. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
- How have D and SO performed over the past year?
- D returned +14.4% and SO -2.0%, measured on the trailing calendar year to the last close.
- How many institutions hold D and SO?
- 1,465 13F filers report a position in D and 2,334 in SO, on the latest quarter in the panel.
- Are D and SO in the same industry?
- Both are filed with the SEC under Electric Services, which is the classification this pairing is built on.
D overview → · SO overview → · D institutional ownership → · SO institutional ownership → · Executive branch and D → · Executive branch and SO →
More in Electric Services: AEP vs CEG · AEP vs D · AEP vs ETR · AEP vs NEE
Stock comparisons lists every pair this site publishes.
Source: SPZCO — https://spzco.com/vs/d-vs-so