Spire Inc Market Cap ($4.85 Billion)
Market Cap & Net Worth: Spire Inc (SR)
Spire Inc market cap. Spire Inc (NYSE:SR) has a market capitalization of $4.85 Billion ($4.85 Billion) as of November 1, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #3523 globally and #1266 in its home market, demonstrating a 2.85% increase 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 $88.00 by its total outstanding shares 59112807 (59.11 Million). Also see Spire Inc (SR) cash conversion ratio for how efficiently the company converts equity into cash flow.
Spire Inc Market Cap History (2015–2026)
Spire Inc market cap history from 2015 to 2026. Data shows growth from $2.55 Billion to $5.20 Billion (6.75% CAGR). Check Spire Inc stock quote for real-time trading data and today's change.
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
|
$3.34 Trillion | 0.17% | #281 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. Explore how fast is Spire Inc growing its equity to track how rapidly the company is growing its equity base year over year.
Latest Price to Sales (P/S) Ratio
1.97x
Spire Inc's market cap is 1.97 times its annual revenue
Latest Price to Earnings (P/E) Ratio
17.99x
Spire Inc's market cap is 17.99 times its annual earnings
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 November 1, 2026. Also see SR asset base for a full breakdown of the balance sheet.
Key companies related to Spire Inc by market ranking:
- Atmos Energy Corporation (NYSE:ATO): Ranked #922 globally with a market cap of $28.78 Billion USD.
- Naturgy Energy Group SA (MC:NTGY): Ranked #1051 globally with a market cap of $24.77 Billion USD ( €21.19 Billion EUR).
- NATURGY ENERGY ADR1/5/E01 (F:GANA): Ranked #1076 globally with a market cap of $24.24 Billion USD ( €20.73 Billion EUR).
- Uniper SE (XETRA:UN0): Ranked #1215 globally with a market cap of $20.78 Billion USD ( €17.78 Billion EUR).
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #922 | Atmos Energy Corporation | NYSE:ATO | $28.78 Billion | $172.41 |
| #1051 | Naturgy Energy Group SA | MC:NTGY | $24.77 Billion | €29.66 |
| #1076 | NATURGY ENERGY ADR1/5/E01 | F:GANA | $24.24 Billion | €5.35 |
| #1215 | Uniper SE | XETRA:UN0 | $20.78 Billion | €43.20 |
Market Capitalization of Spire Inc (2015–2026)
Market capitalization of Spire Inc from 2015 to today. Between 2015 and today, Spire Inc's market cap moved from $2.55 Billion to $ 5.20 Billion, with a yearly change of 6.75%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $5.20 Billion | +6.41% |
| 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 Nov 1st, 2026 the market cap of Spire Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $4.85 Billion USD |
| MoneyControl | $4.85 Billion USD |
| MarketWatch | $4.85 Billion USD |
| marketcap.company | $4.85 Billion USD |
| Reuters | $4.85 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Spire Inc
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