NiSource Basic Shares Outstanding 2012-2026 | NI

NiSource annual/quarterly basic shares outstanding history and growth rate from 2012 to 2026. Basic shares outstanding can be defined as the number of shares held by shareholders including insiders but not including a company's treasury shares.
  • NiSource basic shares outstanding for the quarter ending March 31, 2026 were $479M, a 1.83% increase year-over-year.
  • NiSource basic shares outstanding for the twelve months ending March 31, 2026 were $1.895B, a 3.84% increase year-over-year.
  • NiSource annual basic shares outstanding for 2025 were $0.473B, a 4.12% increase from 2024.
  • NiSource annual basic shares outstanding for 2024 were $0.454B, a 9.16% increase from 2023.
  • NiSource annual basic shares outstanding for 2023 were $0.416B, a 2.21% increase from 2022.
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NiSource Annual Basic Shares Outstanding
(Millions of US $)
2025 $473
2024 $454
2023 $416
2022 $407
2021 $394
2020 $384
2019 $375
2018 $357
2017 $329
2016 $322
2015 $318
2014 $315
2013 $312
2012 $292
2011 $280
NiSource Quarterly Basic Shares Outstanding
(Millions of US $)
2026-03-31 $479
2025-12-31 $473
2025-09-30 $472
2025-06-30 $471
2025-03-31 $470
2024-12-31 $454
2024-09-30 $452
2024-06-30 $449
2024-03-31 $448
2023-12-31 $416
2023-09-30 $414
2023-06-30 $413
2023-03-31 $413
2022-12-31 $407
2022-09-30 $407
2022-06-30 $406
2022-03-31 $406
2021-12-31 $394
2021-09-30 $393
2021-06-30 $393
2021-03-31 $393
2020-12-31 $384
2020-09-30 $384
2020-06-30 $384
2020-03-31 $383
2019-12-31 $375
2019-09-30 $374
2019-06-30 $374
2019-03-31 $373
2018-12-31 $357
2018-09-30 $364
2018-06-30 $354
2018-03-31 $338
2017-12-31 $329
2017-09-30 $331
2017-06-30 $325
2017-03-31 $324
2016-12-31 $322
2016-09-30 $322
2016-06-30 $322
2016-03-31 $320
2015-12-31 $318
2015-09-30 $318
2015-06-30 $318
2015-03-31 $317
2014-12-31 $315
2014-09-30 $315
2014-06-30 $315
2014-03-31 $314
2013-12-31 $312
2013-09-30 $313
2013-06-30 $312
2013-03-31 $311
2012-12-31 $292
2012-09-30 $290
2012-06-30 $284
2012-03-31 $283
2011-12-31 $280
2011-09-30 $281
2011-06-30 $280
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $23.033B $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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