AEE vs SO
AEE: Ameren is a Midwestern regulated utility investing heavily in grid modernization, renewable energy, and infrastructure to meet rising demand from data centers and large industrial clients. SO: A diversified energy holding company providing regulated electric and natural gas service, as well as competitive wholesale power and energy solutions.
Side-by-side fundamentals
| Metric | AEE | SO | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $101.84 | $86.15 | |
| Market cap | $28.2B | $97.1B | |
| P/E as of 2026-10-08 | 17.93 | 20.78 | AEE lower |
| PEG as of 2026-10-08, 3-year EPS CAGR to FY2025 | 2.01 | 3.28 | AEE lower |
| Net margin FY2025, SEC XBRL | +16.6% | +14.7% | AEE higher |
| Operating margin FY2025, SEC XBRL | +23.0% | +24.7% | SO higher |
| ROE FY2025, SEC XBRL | +10.8% | +11.2% | SO higher |
| ROA FY2025, SEC XBRL | +3.0% | +2.8% | AEE higher |
| Debt / equity as of 2026-09-03 | 1.59 | 1.91 | AEE lower |
| Revenue growth (YoY) as of 2026-09-03 | +3.8% | +6.8% | SO higher |
| Revenue CAGR (3y) SEC XBRL | +3.4% | +0.3% | AEE higher |
| Dividend yield as of 2026-09-03 | +2.9% | +3.6% | SO higher |
| Dividend streak (yrs) SEC XBRL | 17 | 19 | SO higher |
| Beta as of 2026-09-03 | 0.14 | -0.03 | |
| 1-year return as of 2026-10-08 close | -1.8% | -10.4% | AEE higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.