NiSource - 15 Year Stock Price History | NI
Historical daily share price chart and data for NiSource since 2011 adjusted for splits and dividends. The latest closing stock price for NiSource as of September 15, 2026 is 40.59.
- The all-time high NiSource stock closing price was 48.75 on June 26, 2026.
- The NiSource 52-week high stock price is 49.21, which is 21.2% above the current share price.
- The NiSource 52-week low stock price is 39.33, which is 3.1% below the current share price.
- The average NiSource stock price for the last 52 weeks is 44.58.
| NiSource Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 45.0089 | 41.3350 | 48.7533 | 40.5700 | 40.5900 | -0.86% |
| 2025 | 39.2448 | 34.6679 | 43.2665 | 33.9147 | 40.9429 | 16.82% |
| 2024 | 28.8111 | 24.8504 | 36.4700 | 23.1667 | 35.0493 | 43.48% |
| 2023 | 24.3764 | 24.3281 | 26.0807 | 21.1146 | 24.4272 | 0.48% |
| 2022 | 25.0975 | 23.6015 | 28.0628 | 21.2128 | 24.3103 | 2.67% |
| 2021 | 20.7814 | 18.6823 | 23.7559 | 17.5902 | 23.6787 | 24.75% |
| 2020 | 20.0000 | 21.7683 | 24.3667 | 16.8252 | 18.9802 | -14.87% |
| 2019 | 22.1212 | 19.5079 | 24.2960 | 19.5079 | 22.2968 | 13.03% |
| 2018 | 19.2832 | 19.1195 | 21.6850 | 17.1154 | 19.7257 | 1.92% |
| 2017 | 18.7567 | 16.2615 | 20.7933 | 16.0050 | 19.3533 | 19.28% |
| 2016 | 16.7983 | 13.9107 | 19.3506 | 13.8680 | 16.2248 | 16.69% |
| 2015 | 12.4979 | 11.5488 | 14.1316 | 11.2089 | 13.9036 | 20.47% |
| 2014 | 10.2029 | 8.5488 | 12.0548 | 8.5488 | 11.5407 | 32.58% |
| 2013 | 7.7328 | 6.4716 | 8.7050 | 6.3947 | 8.7050 | 36.46% |
| 2012 | 6.0489 | 5.6222 | 6.5280 | 5.4103 | 6.3793 | 11.28% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Utilities | Utility - Electric Power Distribution | $19.696B | $6.642B |
| NiSource Inc. is an energy holding company and together with its subsidiaries provides natural gas, electricity and other products and services in the U.S. NiSource has one of the nation's largest natural gas distribution networks as measured by number of customers. NiSource's principal subsidiary is NiSource Gas Distribution Group, Inc., which is a natural gas distribution holding company. The company generates the majority of its operating income from its rate-regulated businesses. Through its wholly-owned subsidiary NiSource Gas Distribution Group, it owns distribution subsidiaries that provide natural gas to residential, commercial and industrial customers. | |||
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| FirstEnergy (FE) | United States | $26.519B | 17.76 |
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