Spire Inc. (SR) - Market capitalization

Market cap: $4.99 Billion USD

As of February 2026 Spire Inc. has a market cap of $4.99 Billion USD. This makes Spire Inc. the world's 3129th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Spire Inc. from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	$4.99 B	1.83%
2025	$4.90 B	26.38%
2024	$3.87 B	16.91%
2023	$3.31 B	-8.28%
2022	$3.61 B	7.3%
2021	$3.37 B	1.93%
2020	$3.30 B	-22.29%
2019	$4.25 B	13.35%
2018	$3.75 B	3.49%
2017	$3.62 B	22.95%
2016	$2.95 B	14.48%
2015	$2.57 B	11.93%
2014	$2.30 B	54.45%
2013	$1.49 B	71.2%
2012	$0.87 B	-4.16%
2011	$0.90 B	11.18%
2010	$0.81 B	8.8%
2009	$0.75 B	-27.52%
2008	$1.03 B	39.15%
2007	$0.74 B	-1.26%
2006	$0.75 B	21.39%
2005	$0.62 B	-5.08%
2004	$0.65 B	19.99%
2003	$0.54 B	18.71%
2002	$0.45 B	1.9%
2001	$0.45 B	2.25%
2000	$0.44 B	8.09%
1999	$0.40 B	-13.43%
1998	$0.47 B	-4.29%
1997	$0.49 B	16.32%
1996	$0.42 B

End of Day market cap according to different sources

On Jan 31st, 2026 the market cap of Spire Inc. was reported to be:

$4.98 Billion USD

by Nasdaq

$4.99 Billion USD

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Deluxe Corporation DLX	$1.18 B	-76.20%	🇺🇸 USA
Document Security Systems DSS	$9.27 M	-99.81%	🇺🇸 USA
RR Donnelley RRD	$0.81 B	-83.67%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Spire Inc. (SR)

Market cap: $4.99 Billion USD