Spire Inc. (SR)

Spire Market Cap

Spire has a market cap or net worth of $4.89 billion as of October 8, 2025. Its market cap has increased by 27.33% in one year.

• Market Cap: 4.89B
• Enterprise Value: 9.79B
• 1-Year Change: 27.33%
• Ranking: #1353
• Category: Mid-Cap
• Stock Price: $82.92

Market Cap Chart

Since December 1, 1998, Spire's market cap has increased from $458.30M to $4.89B, an increase of 967.94%. That is a compound annual growth rate of 9.21%.

Market Cap History

Date	Market Cap	% Change
Oct 7, 2025	4.90B	25.08%
Dec 31, 2024	3.92B	18.18%
Dec 29, 2023	3.32B	-8.30%
Dec 30, 2022	3.62B	7.23%
Dec 31, 2021	3.37B	1.98%
Dec 31, 2020	3.31B	-22.16%
Dec 31, 2019	4.25B	13.13%
Dec 31, 2018	3.75B	3.50%
Dec 29, 2017	3.63B	23.08%
Dec 30, 2016	2.95B	14.43%
Dec 31, 2015	2.58B	12.03%
Dec 31, 2014	2.30B	54.33%
Dec 31, 2013	1.49B	71.06%
Dec 31, 2012	870.80M	-4.02%
Dec 30, 2011	907.30M	11.37%
Dec 31, 2010	814.70M	8.42%
Dec 31, 2009	751.40M	-27.46%
Dec 31, 2008	1.04B	39.63%
Dec 31, 2007	741.80M	-1.00%
Dec 29, 2006	749.30M	21.01%
Dec 30, 2005	619.20M	-5.39%
Dec 31, 2004	654.50M	19.94%
Dec 31, 2003	545.70M	18.94%
Dec 31, 2002	458.80M	1.68%
Dec 31, 2001	451.20M	2.22%

View and export this data all the way back to 1998. Sign Up Today.

Related Stocks

Company	Market Cap
NextEra Energy	169.09B
Constellation Energy	113.75B
The Southern Company	105.04B
Duke Energy	96.72B
National Grid	72.29B
Vistra	67.90B
American Electric Power Company	61.85B
Sempra	60.33B