Alliant Energy Shares Outstanding 2012-2025 | LNT

Alliant Energy 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.
  • Alliant Energy shares outstanding for the quarter ending December 31, 2025 were 0.258B, a 0.39% increase year-over-year.
  • Alliant Energy 2025 shares outstanding were 0.258B, a 0.39% increase from 2024.
  • Alliant Energy 2024 shares outstanding were 0.257B, a 1.38% increase from 2023.
  • Alliant Energy 2023 shares outstanding were 0.253B, a 0.84% increase from 2022.
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Alliant Energy Annual Shares Outstanding
(Millions of Shares)
2025 258
2024 257
2023 253
2022 251
2021 251
2020 249
2019 239
2018 234
2017 230
2016 227
2015 225
2014 222
2013 222
2012 222
2011 221
Alliant Energy Quarterly Shares Outstanding
(Millions of Shares)
2025-12-31 258
2025-09-30 258
2025-06-30 257
2025-03-31 257
2024-12-31 257
2024-09-30 257
2024-06-30 257
2024-03-31 257
2023-12-31 253
2023-09-30 254
2023-06-30 252
2023-03-31 251
2022-12-31 251
2022-09-30 251
2022-06-30 251
2022-03-31 251
2021-12-31 251
2021-09-30 251
2021-06-30 251
2021-03-31 250
2020-12-31 249
2020-09-30 250
2020-06-30 250
2020-03-31 245
2019-12-31 239
2019-09-30 240
2019-06-30 238
2019-03-31 237
2018-12-31 234
2018-09-30 235
2018-06-30 232
2018-03-31 231
2017-12-31 230
2017-09-30 231
2017-06-30 229
2017-03-31 228
2016-12-31 227
2016-09-30 227
2016-06-30 227
2016-03-31 227
2015-12-31 225
2015-09-30 226
2015-06-30 226
2015-03-31 222
2014-12-31 222
2014-09-30 222
2014-06-30 222
2014-03-31 222
2013-12-31 222
2013-09-30 222
2013-06-30 222
2013-03-31 222
2012-12-31 222
2012-09-30 222
2012-06-30 222
2012-03-31 221
2011-12-31 221
2011-09-30 221
2011-06-30 221
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $18.880B $4.362B
Alliant Energy Corporation is a holding company with subsidiaries engaged in regulated electric and natural gas services. The company operates primarily through four wholly owned subsidiaries: Interstate Power and Light Company (IPL), Wisconsin Power and Light Company (WPL), Resource and Corporate Services. Alliant Energy provides services to electric and natural gas customers in the Midwest. Its Utility Business segment includes the operations of IPL and WPL. Both the utilities have a diversified fuel mix which consists of coal, natural gas and renewable resources. The output from these generating facilities is supplemented with purchased power. IPL is primarily engaged in the generation and distribution of electricity and distribution and transportation of natural gas in select markets in Iowa and southern Minnesota.
Stock Name Country Market Cap PE Ratio
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Enel SpA (ENLAY) Italy $117.323B 17.22
Southern (SO) United States $109.616B 22.65
Duke Energy (DUK) United States $102.548B 20.85
ENGIE - (ENGIY) France $87.078B 0.00
American Electric Power (AEP) United States $74.088B 22.87
E.ON SE (EONGY) Germany $60.416B 17.92
Dominion Energy (D) United States $56.456B 18.78
Entergy (ETR) United States $53.320B 29.79
Vistra (VST) United States $52.384B 28.65
Xcel Energy (XEL) United States $51.418B 21.74
RWE AG (RWEOY) Germany $50.325B 24.67
Exelon (EXC) United States $49.696B 17.60
Consolidated Edison Inc (ED) United States $41.838B 19.89
Public Service Enterprise Group (PEG) United States $41.460B 20.53
Pacific Gas & Electric (PCG) United States $40.750B 12.36
WEC Energy (WEC) United States $38.283B 22.26
NRG Energy (NRG) United States $35.202B 20.31
Ameren (AEE) United States $31.386B 22.56
DTE Energy (DTE) United States $31.138B 20.34
PPL (PPL) United States $29.823B 21.91
FirstEnergy (FE) United States $29.747B 20.17
Fortis (FTS) Canada $29.326B 23.13
AXIA Energia (AXIA) Brazil $29.326B 19.74
Edison (EIX) United States $29.145B 11.56
CenterPoint Energy (CNP) United States $28.384B 24.51
Eversource Energy (ES) United States $26.298B 14.67
Hydro One (HRNNF) Canada $25.785B 0.00
CMS Energy (CMS) United States $24.449B 21.99
Terna Rete Elettrica Nazionale SpA (TEZNY) Italy $24.308B 0.00
CLP Holdings (CLPHY) Hong Kong, SAR China $24.304B 0.00
NiSource (NI) United States $23.033B 25.29
Evergy (EVRG) United States $19.247B 21.94
Korea Electric Power (KEP) South Korea $19.002B 3.15
Power Assets Holdings (HGKGY) Hong Kong, SAR China $17.467B 0.00
United Utilities Group (UUGRY) United Kingdom $12.792B 0.00
Pinnacle West Capital (PNW) United States $12.537B 20.47
China Resources Power Holdings (CRPJY) Hong Kong, SAR China $12.216B 0.00
Brookfield Renewable Partners (BEP) Bermuda $10.512B 0.00
AES (AES) United States $10.261B 6.15
OGE Energy (OGE) United States $10.205B 21.41
Companhia Paranaense De Energia - Copel (ELPC) $9.929B 28.38
ENGIE BRASL EGA (EGIEY) Brazil $8.282B 17.20
IDACORP (IDA) United States $8.108B 25.00
Comp En De Mn Cemig ADS (CIG) Brazil $7.813B 0.00
Portland General Electric (POR) United States $6.215B 17.66
Enel Chile S.A (ENIC) Chile $6.128B 11.07
Black Hills (BKH) United States $5.613B 17.96
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $5.520B 84.27
Algonquin Power & Utilities (AQN) Canada $4.912B 19.36
Pampa Energia S.A (PAM) Argentina $4.748B 12.60
Kenon Holdings (KEN) Singapore $4.594B 0.00
NorthWestern (NWE) United States $4.342B 19.72
TransAlta (TAC) Canada $4.161B 93.33
Allete (ALE) United States $3.945B 23.02
Otter Tail (OTTR) United States $3.788B 13.76
Avista (AVA) United States $3.456B 17.52
Centuri Holdings (CTRI) United States $3.397B 93.58
MGE Energy (MGEE) United States $2.968B 21.71
Hawaiian Electric Industries (HE) United States $2.710B 18.26
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $1.307B 6.74
Unitil (UTL) United States $0.982B 17.11
Ballard Power Systems (BLDP) Canada $0.847B 0.00
Genie Energy (GNE) United States $0.381B 0.00
Polar Power (POLA) United States $0.005B 0.00
Great Plains Energy Inc (GXP) United States $0.000B 0.00
Eletrobras (EBR.B) Brazil $0.000B 0.00