NiSource Inc. (NI)
NYSE: NI · Real-Time Price · USD
40.65
-0.18 (-0.44%)
Aug 25, 2026, 4:00 PM EDT - Market closed
NiSource Market Cap
NiSource has a market cap or net worth of $19.49 billion as of August 25, 2026. Its market cap has decreased by -3.58% in one year.
Market Cap
19.49B
Enterprise Value
36.87B
1-Year Change
-3.58%
Ranking
Category
Stock Price
$40.65
ChartMarket Cap Chart
Since December 1, 1998, NiSource's market cap has increased from $3.49B to $19.49B, an increase of 458.68%. That is a compound annual growth rate of 6.40%.
| Date | Market Cap | % Change |
|---|---|---|
| Aug 25, 2026 | 19.49B | -2.18% |
| Dec 31, 2025 | 19.93B | 16.14% |
| Dec 31, 2024 | 17.16B | 56.33% |
| Dec 29, 2023 | 10.98B | -1.44% |
| Dec 30, 2022 | 11.14B | 2.71% |
| Dec 31, 2021 | 10.84B | 23.34% |
| Dec 31, 2020 | 8.79B | -15.47% |
| Dec 31, 2019 | 10.40B | 12.92% |
| Dec 31, 2018 | 9.21B | 6.52% |
| Dec 29, 2017 | 8.65B | 20.99% |
| Dec 30, 2016 | 7.15B | 14.93% |
| Dec 31, 2015 | 6.22B | -53.57% |
| Dec 31, 2014 | 13.39B | 30.01% |
| Dec 31, 2013 | 10.30B | 33.61% |
| Dec 31, 2012 | 7.71B | 15.19% |
| Dec 30, 2011 | 6.69B | 36.49% |
| Dec 31, 2010 | 4.90B | 15.62% |
| Dec 31, 2009 | 4.24B | 40.97% |
| Dec 31, 2008 | 3.01B | -41.91% |
| Dec 31, 2007 | 5.18B | -21.28% |
| Dec 29, 2006 | 6.58B | 15.69% |
| Dec 30, 2005 | 5.69B | -5.29% |
| Dec 31, 2004 | 6.00B | 4.27% |
| Dec 31, 2003 | 5.76B | 38.58% |
| Dec 31, 2002 | 4.16B | -12.86% |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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