NiSource (NI) - Market capitalization

Market cap: S$24.76 Billion

As of August 2026 NiSource has a market cap of S$24.76 Billion. This makes NiSource the world's 1225th 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 NiSource from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	S$24.76 B	-2.3%
2025	S$25.34 B	8.68%
2024	S$23.32 B	60.89%
2023	S$14.49 B	-2.9%
2022	S$14.92 B	1.85%
2021	S$14.65 B	26.04%
2020	S$11.62 B	-18.92%
2019	S$14.34 B	11.22%
2018	S$12.89 B	11.52%
2017	S$11.56 B	11.81%
2016	S$10.34 B	17.43%
2015	S$8.80 B	-50.29%
2014	S$17.71 B	35.56%
2013	S$13.06 B	38.36%
2012	S$9.44 B	8.95%
2011	S$8.66 B	36.96%
2010	S$6.32 B	5.96%
2009	S$5.97 B	38.83%
2008	S$4.30 B	-42.27%
2007	S$7.45 B	-26.3%
2006	S$10.11 B	6.8%
2005	S$9.46 B	-5.85%
2004	S$10.05 B	2.73%
2003	S$9.78 B	12.91%
2002	S$8.67 B	-1.78%
2001	S$8.82 B	-19.42%
2000	S$10.95 B	196.51%
1999	S$3.69 B	-37.45%
1998	S$5.90 B	14%
1997	S$5.18 B	56.21%
1996	S$3.31 B

End of Day market cap according to different sources

On Aug 30th, 2026 the market cap of NiSource was reported to be:

S$24.76 Billion

by Nasdaq

S$24.76 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Atmos Energy ATO	S$35.84 B	44.75%	🇺🇸 USA
Sempra SRE	S$70.17 B	183.36%	🇺🇸 USA
Duke Energy DUK	S$119.34 B	381.91%	🇺🇸 USA
Chesapeake Utilities CPK	S$4.07 B	-83.56%	🇺🇸 USA
Genie Energy GNE	S$0.49 B	-97.99%	🇺🇸 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 NiSource (NI)

Market cap: S$24.76 Billion