Southern Company (NYSE:SO) — Market Cap & Net Worth

$97.89 Billion USD  · Rank #251

Market Cap & Net Worth: Southern Company (SO)

Southern Company (NYSE:SO) has a market capitalization of $97.89 Billion ($97.89 Billion) as of May 1, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #251 globally and #128 in its home market, demonstrating a 5.26% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Southern Company's stock price $96.70 by its total outstanding shares 1101104843 (1.10 Billion). Review how much debt does Southern Company carry to assess the company's total debt and financial obligations.

Southern Company Market Cap History: 2015 to 2026

Southern Company's market capitalization history from 2015 to 2026. Data shows growth from $35.00 Billion to $106.48 Billion (11.46% CAGR).

Index Memberships

Southern Company is a constituent of 5 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
Dow Jones Composite Average
DJA
$16.49 Trillion 0.59% #29 of 65
DJC: Dow Jones-UBS Commodity Index
DJC
$23.35 Trillion 0.91% #31 of 65
Dow Jones Utility
DJU
$920.35 Billion 6.87% #3 of 15
S&P 500 Index
GSPC
$59.60 Trillion 0.22% #107 of 503
S&P 100
OEX
$43.01 Trillion 0.31% #80 of 101

Weight: Southern Company's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Southern Company Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Southern Company's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

3.39x

Southern Company's market cap is 3.39 times its annual revenue

Industry average: 0.52x Higher than industry average

Latest Price to Earnings (P/E) Ratio

20.60x

Southern Company's market cap is 20.60 times its annual earnings

Industry average: 4.50x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2015 $35.00 Billion $17.49 Billion $2.42 Billion 2.00x 14.46x
2016 $38.47 Billion $19.90 Billion $2.49 Billion 1.93x 15.43x
2017 $39.40 Billion $23.03 Billion $880.00 Million 1.71x 44.77x
2018 $37.92 Billion $23.50 Billion $2.24 Billion 1.61x 16.91x
2019 $57.50 Billion $21.42 Billion $4.75 Billion 2.68x 12.10x
2020 $57.87 Billion $20.38 Billion $3.13 Billion 2.84x 18.46x
2021 $67.31 Billion $23.11 Billion $2.41 Billion 2.91x 27.95x
2022 $72.86 Billion $29.28 Billion $3.54 Billion 2.49x 20.61x
2023 $74.47 Billion $25.25 Billion $3.98 Billion 2.95x 18.73x
2024 $90.64 Billion $26.72 Billion $4.40 Billion 3.39x 20.60x

Competitor Companies of SO by Market Capitalization

Companies near Southern Company in the global market cap rankings as of May 1, 2026.

Key companies related to Southern Company by market ranking:

  • Nextera Energy Inc (NYSE:NEE): Ranked #108 globally with a market cap of $195.35 Billion USD.
  • Duke Energy Corporation (NYSE:DUK): Ranked #243 globally with a market cap of $100.82 Billion USD.
  • National Grid PLC ADR (NYSE:NGG): Ranked #299 globally with a market cap of $86.46 Billion USD.
  • National Grid plc (F:NNGD): Ranked #363 globally with a market cap of $73.58 Billion USD ( €62.93 Billion EUR).
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#108 Nextera Energy Inc NYSE:NEE $195.35 Billion $97.88
#243 Duke Energy Corporation NYSE:DUK $100.82 Billion $129.55
#299 National Grid PLC ADR NYSE:NGG $86.46 Billion $86.96
#363 National Grid plc F:NNGD $73.58 Billion €72.00

Southern Company Historical Marketcap From 2015 to 2026

Between 2015 and today, Southern Company's market cap moved from $35.00 Billion to $ 106.48 Billion, with a yearly change of 11.46%.

Year Market Cap Change (%)
2026 $106.48 Billion +10.89%
2025 $96.02 Billion +5.93%
2024 $90.64 Billion +21.72%
2023 $74.47 Billion +2.21%
2022 $72.86 Billion +8.24%
2021 $67.31 Billion +16.32%
2020 $57.87 Billion +0.63%
2019 $57.50 Billion +51.65%
2018 $37.92 Billion -3.75%
2017 $39.40 Billion +2.42%
2016 $38.47 Billion +9.92%
2015 $35.00 Billion --

End of Day Market Cap According to Different Sources

On May 1st, 2026 the market cap of Southern Company was reported to be:

Source Market Cap
Yahoo Finance $97.89 Billion USD
MoneyControl $97.89 Billion USD
MarketWatch $97.89 Billion USD
marketcap.company $97.89 Billion USD
Reuters $97.89 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Southern Company

NYSE:SO USA Utilities - Regulated Electric
Market Cap
$106.48 Billion
Market Cap Rank
#251 Global
#128 in USA
Share Price
$96.70
Change (1 day)
+3.41%
52-Week Range
$84.08 - $99.72
All Time High
$99.72
About

The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. The company develops, constructs, acquires, owns, and manages power generation assets, including renewable energy projects and sells electricity in the wholesale market; distributes natural gas in Illinois, Georgia, Virginia, and Tennessee; operates, constructs, and maintains … Read more