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Spire Inc.
SR
Market cap$4.80 B
Rank#1447
Filings1,532
Market capitalization of Spire Inc.
As of 2026-09-09, Spire Inc. (SR) has a market capitalization of $4.80 B, making it the #1447 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-09 | $4.80 B |
| 2026-09-08 | $4.88 B |
| 2026-09-07 | $4.89 B |
| 2026-09-06 | $4.89 B |
| 2026-09-05 | $4.89 B |
| 2026-09-04 | $4.89 B |
| 2026-09-03 | $4.93 B |
| 2026-09-02 | $4.89 B |
| 2026-09-01 | $4.84 B |
| 2026-08-31 | $4.84 B |
| 2026-08-30 | $4.88 B |
| 2026-08-29 | $4.88 B |
Market Cap of similar companies
Frequently asked questions
What is Spire Inc.'s market cap?
As of 2026-09-09, Spire Inc. (SR) has a market capitalization of $4.80 B, making it the #1447 most valuable US-listed company.
Where does Spire Inc. rank by market cap?
Spire Inc. is the #1447 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.