Spire Inc (NYSE:SR) — Market Cap & Net Worth

$4.72 Billion USD  · Rank #3704

Market Cap & Net Worth: Spire Inc (SR)

Spire Inc (NYSE:SR) has a market capitalization of $4.72 Billion ($4.72 Billion) as of September 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #3704 globally and #1299 in its home market, demonstrating a -4.24% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Spire Inc's stock price $79.90 by its total outstanding shares 59112807 (59.11 Million). Also see SR asset base for a full breakdown of the balance sheet.

Spire Inc Market Cap History: 2015 to 2026

Spire Inc's market capitalization history from 2015 to 2026. Data shows growth from $2.55 Billion to $4.72 Billion (5.88% CAGR). Also see Spire Inc (SR) cash conversion ratio for how efficiently the company converts equity into cash flow.

Index Memberships

Spire Inc is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P Midcap 400
MID
$3.41 Trillion 0.17% #284 of 401

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

Spire Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Spire Inc'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. Check Spire Inc (SR) stock price for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

1.97x

Spire Inc's market cap is 1.97 times its annual revenue

Industry average: 0.49x Higher than industry average

Latest Price to Earnings (P/E) Ratio

17.99x

Spire Inc's market cap is 17.99 times its annual earnings

Industry average: 7.13x 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
2016 $2.86 Billion $1.54 Billion $144.20 Million 1.86x 19.84x
2017 $3.43 Billion $1.74 Billion $161.60 Million 1.97x 21.23x
2018 $3.49 Billion $1.97 Billion $214.20 Million 1.78x 16.29x
2019 $4.04 Billion $1.95 Billion $184.60 Million 2.07x 21.89x
2020 $3.23 Billion $1.86 Billion $88.60 Million 1.74x 36.41x
2021 $3.42 Billion $2.24 Billion $271.70 Million 1.53x 12.57x
2022 $3.75 Billion $2.20 Billion $220.80 Million 1.71x 16.99x
2023 $3.55 Billion $2.67 Billion $217.50 Million 1.33x 16.34x
2024 $4.01 Billion $2.59 Billion $250.90 Million 1.55x 15.98x
2025 $4.89 Billion $2.48 Billion $271.70 Million 1.97x 17.99x

Competitor Companies of SR by Market Capitalization

Companies near Spire Inc in the global market cap rankings as of September 18, 2026. Review SR goodwill-adjusted equity ratio to assess the quality of the company's equity after excluding intangible assets.

Key companies related to Spire Inc by market ranking:

  • Atmos Energy Corporation (NYSE:ATO): Ranked #991 globally with a market cap of $27.03 Billion USD.
  • Naturgy Energy Group SA (MC:NTGY): Ranked #1078 globally with a market cap of $24.77 Billion USD ( €21.19 Billion EUR).
  • NATURGY ENERGY ADR1/5/E01 (F:GANA): Ranked #1099 globally with a market cap of $24.24 Billion USD ( €20.73 Billion EUR).
  • Uniper SE (XETRA:UN0): Ranked #1242 globally with a market cap of $20.78 Billion USD ( €17.78 Billion EUR).
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#991 Atmos Energy Corporation NYSE:ATO $27.03 Billion $161.96
#1078 Naturgy Energy Group SA MC:NTGY $24.77 Billion €29.58
#1099 NATURGY ENERGY ADR1/5/E01 F:GANA $24.24 Billion €5.35
#1242 Uniper SE XETRA:UN0 $20.78 Billion €49.40

Spire Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, Spire Inc's market cap moved from $2.55 Billion to $ 4.72 Billion, with a yearly change of 5.88%.

Year Market Cap Change (%)
2026 $4.72 Billion -3.39%
2025 $4.89 Billion +21.92%
2024 $4.01 Billion +12.85%
2023 $3.55 Billion -5.26%
2022 $3.75 Billion +9.81%
2021 $3.42 Billion +5.86%
2020 $3.23 Billion -20.18%
2019 $4.04 Billion +15.81%
2018 $3.49 Billion +1.74%
2017 $3.43 Billion +19.88%
2016 $2.86 Billion +12.01%
2015 $2.55 Billion --

End of Day Market Cap According to Different Sources

On Sep 17th, 2026 the market cap of Spire Inc was reported to be:

Source Market Cap
Yahoo Finance $4.72 Billion USD
MoneyControl $4.72 Billion USD
MarketWatch $4.72 Billion USD
marketcap.company $4.72 Billion USD
Reuters $4.72 Billion USD

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

About Spire Inc

NYSE:SR USA Utilities - Regulated Gas
Market Cap
$4.72 Billion
Market Cap Rank
#3704 Global
#1299 in USA
Share Price
$79.90
Change (1 day)
-0.40%
52-Week Range
$75.94 - $95.19
All Time High
$95.19
About

Spire Inc., together with its subsidiaries, engages in the purchase, retail distribution, and sale of natural gas to residential, commercial, industrial, and other end-users of natural gas in the United States. The company operates through three segments: Gas Utility, Gas Marketing, and Midstream. It is also involved in the marketing of natural gas and related services; and transportation and sto… Read more