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Spire Inc.
SR
Market cap$4.74 B
Rank#1431
SEC filings1,532
Market capitalization of Spire Inc.
As of 2026-06-10, Spire Inc. (SR) has a market capitalization of $4.74 B, making it the #1431 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-10 | $4.74 B |
| 2026-05-29 | $4.90 B |
| 2026-05-28 | $5.06 B |
| 2026-05-26 | $5.12 B |
| 2026-05-25 | $5.14 B |
| 2026-05-24 | $5.14 B |
| 2026-05-22 | $5.14 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is Spire Inc.'s market cap?
As of 2026-06-10, Spire Inc. (SR) has a market capitalization of $4.74 B, making it the #1431 most valuable US-listed company.
Where does Spire Inc. rank by market cap?
Spire Inc. is the #1431 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.