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ETR vs SO

Entergy Corp /de/ (ETR) and Southern Co (SO) are both filed with the SEC under Electric Services. SO is 2.1× ETR's size by market cap ($100.4B against $48.8B); ETR trades at the higher fiscal-year P/E (27.2× against 22.7×); SO reports the higher net margin (14.7% against 13.7%); SO grew sales faster over three years (+0.3% against -2.0%); and over the past year ETR returned +22.3% against SO's -2.0%.

ETRSO
Last close$105.75$88.25
Market cap$48.8B$100.4B
P/E (FY)27.2×22.7×
P/S3.8×3.4×
EV/EBITDA14.0×12.8×
Operating margin24.7%24.7%
Net margin13.7%14.7%
Return on equity11.1%12.5%
Sales growth (3y)-2.0%+0.3%
EPS growth (3y)+13.4%+6.3%
Dividend yield2.2%3.0%
1-year return+22.3%-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

ETRSO
Institutional holders (13F)1,2742,334
Insider buyers − sellers (180d)-2-4
Congressional trades disclosed (180d)00
Executive-branch officials on file — trades disclosed (180d)314

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.

ETR vs SO: common questions

Is ETR bigger than SO?
SO carries the larger market cap — $100.4B against $48.8B, both struck on 2026-08-27.
Which trades at a higher P/E, ETR or SO?
ETR, at a fiscal-year 27.2× against 22.7× for SO. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
How have ETR and SO performed over the past year?
ETR returned +22.3% and SO -2.0%, measured on the trailing calendar year to the last close.
How many institutions hold ETR and SO?
1,274 13F filers report a position in ETR and 2,334 in SO, on the latest quarter in the panel.
Are ETR and SO in the same industry?
Both are filed with the SEC under Electric Services, which is the classification this pairing is built on.

ETR overview · SO overview · ETR institutional ownership · SO institutional ownership · Executive branch and ETR · 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/etr-vs-so