NiSource Shares Outstanding 2012-2025 | NI

NiSource shares outstanding history from 2012 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • NiSource shares outstanding for the quarter ending December 31, 2025 were 0.475B, a 4.06% increase year-over-year.
  • NiSource 2025 shares outstanding were 0.475B, a 4.06% increase from 2024.
  • NiSource 2024 shares outstanding were 0.456B, a 1.81% increase from 2023.
  • NiSource 2023 shares outstanding were 0.448B, a 1.17% increase from 2022.
NiSource Annual Shares Outstanding
(Millions of Shares)
2025 475
2024 456
2023 448
2022 443
2021 417
2020 384
2019 376
2018 357
2017 331
2016 324
2015 320
2014 317
2013 314
2012 300
2011 288
NiSource Quarterly Shares Outstanding
(Millions of Shares)
2025-12-31 475
2025-09-30 474
2025-06-30 472
2025-03-31 473
2024-12-31 456
2024-09-30 455
2024-06-30 450
2024-03-31 449
2023-12-31 448
2023-09-30 448
2023-06-30 447
2023-03-31 447
2022-12-31 443
2022-09-30 443
2022-06-30 440
2022-03-31 441
2021-12-31 417
2021-09-30 430
2021-06-30 423
2021-03-31 394
2020-12-31 384
2020-09-30 384
2020-06-30 384
2020-03-31 384
2019-12-31 376
2019-09-30 374
2019-06-30 375
2019-03-31 375
2018-12-31 357
2018-09-30 364
2018-06-30 355
2018-03-31 339
2017-12-31 331
2017-09-30 332
2017-06-30 325
2017-03-31 325
2016-12-31 324
2016-09-30 324
2016-06-30 323
2016-03-31 323
2015-12-31 320
2015-09-30 322
2015-06-30 318
2015-03-31 317
2014-12-31 317
2014-09-30 315
2014-06-30 316
2014-03-31 315
2013-12-31 314
2013-09-30 314
2013-06-30 313
2013-03-31 312
2012-12-31 300
2012-09-30 300
2012-06-30 296
2012-03-31 293
2011-12-31 288
2011-09-30 289
2011-06-30 287
2011-03-31 285
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $22.185B $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.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $195.349B 25.28
Iberdrola S.A (IBDRY) Spain $159.498B 26.45
Southern (SO) United States $104.550B 22.39
Duke Energy (DUK) United States $99.696B 20.28
ENGIE - (ENGIY) France $75.518B 0.00
American Electric Power (AEP) United States $70.280B 21.80
Vistra (VST) United States $58.105B 39.33
Dominion Energy (D) United States $56.800B 20.03
Exelon (EXC) United States $49.590B 17.57
Xcel Energy (XEL) United States $48.264B 21.53
Entergy (ETR) United States $46.924B 26.87
RWE AG (RWEOY) Germany $43.115B 20.20
Public Service Enterprise Group (PEG) United States $43.112B 20.71
Consolidated Edison Inc (ED) United States $41.046B 19.61
Pacific Gas & Electric (PCG) United States $39.915B 12.11
WEC Energy (WEC) United States $37.666B 21.93
NRG Energy (NRG) United States $37.000B 20.11
DTE Energy (DTE) United States $30.102B 20.08
Ameren (AEE) United States $30.017B 22.06
FirstEnergy (FE) United States $28.941B 18.62
Fortis (FTS) Canada $28.838B 22.83
PPL (PPL) United States $27.977B 21.74
CenterPoint Energy (CNP) United States $27.760B 24.72
Eversource Energy (ES) United States $27.524B 15.38
Edison (EIX) United States $27.497B 12.47
CLP Holdings (CLPHY) Hong Kong, SAR China $25.265B 0.00
AXIA Energia (AXIA) Brazil $25.230B 16.99
Hydro One (HRNNF) Canada $24.855B 0.00
Terna Rete Elettrica Nazionale SpA (TEZNY) Italy $23.798B 0.00
CMS Energy (CMS) United States $23.515B 21.26
Evergy (EVRG) United States $19.036B 22.11
Alliant Energy (LNT) United States $18.300B 21.38
Power Assets Holdings (HGKGY) Hong Kong, SAR China $16.410B 0.00
United Utilities Group (UUGRY) United Kingdom $12.642B 0.00
China Resources Power Holdings (CRPJY) Hong Kong, SAR China $12.235B 0.00
Pinnacle West Capital (PNW) United States $11.896B 20.41
AES (AES) United States $11.593B 7.86
OGE Energy (OGE) United States $9.465B 18.87
Brookfield Renewable Partners (BEP) Bermuda $9.020B 0.00
Companhia Paranaense De Energia - Copel (ELPC) $7.956B 21.82
IDACORP (IDA) United States $7.797B 24.79
Portland General Electric (POR) United States $6.074B 18.56
Black Hills (BKH) United States $5.589B 18.02
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $5.520B 84.27
Algonquin Power & Utilities (AQN) Canada $5.232B 20.64
NorthWestern (NWE) United States $4.281B 19.46
Kenon Holdings (KEN) Singapore $4.132B 0.00
TransAlta (TAC) Canada $4.031B 452.67
Allete (ALE) United States $3.945B 23.02
Otter Tail (OTTR) United States $3.694B 13.30
Avista (AVA) United States $3.506B 18.33
Centuri Holdings (CTRI) United States $3.088B 75.63
MGE Energy (MGEE) United States $3.029B 22.46
Hawaiian Electric Industries (HE) United States $2.903B 20.51
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $1.287B 6.79
Unitil (UTL) United States $0.956B 16.66
Ballard Power Systems (BLDP) Canada $0.647B 0.00
Genie Energy (GNE) United States $0.387B 0.00
Polar Power (POLA) United States $0.004B 0.00
Comp En De Mn Cemig ADS (CIG) Brazil $0.000B 0.00
Enel Chile S.A (ENIC) Chile $0.000B 70.33
Pampa Energia S.A (PAM) Argentina $0.000B 13.97
Eletrobras (EBR.B) Brazil $0.000B 0.00
Korea Electric Power (KEP) South Korea $0.000B 4.72
Great Plains Energy Inc (GXP) United States $0.000B 0.00