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Video: Compound Annual Growth Rate (CAGR) Definition
LNT Historical Price Range
Date Open High Low Close Volume
06/03/2026 $71.07 $72.20 $70.76 $70.79 3.06M
06/04/2026 $71.50 $71.67 $70.29 $71.39 1.72M
06/05/2026 $71.56 $73.24 $71.55 $72.87 2.78M
06/08/2026 $72.63 $73.14 $71.62 $71.71 2.89M
06/09/2026 $71.69 $72.81 $71.36 $72.37 2.69M
About Alliant Energy
Alliant Energy Corporation operates as a regulated investor-owned public utility holding company. Co.'s primary focus is to provide regulated electric and natural gas service to its customers in the Midwest through its two public utility subsidiaries: Interstate Power and Light Co. (IPL) and Wisconsin Power and Light Co. (WPL). Its segments include Utility, and ATC Holdings, Non-utility, Parent and Other. The Utility segment includes the operations of IPL and WPL, which primarily serve retail customers in Iowa and Wisconsin. The Utility segment includes three operations: utility electric operations, utility gas operations and utility other.
LNT historical stock prices picture
Alliant Energy (LNT) has the following price history information. Looking back at LNT historical stock prices for the last five trading days, on June 03, 2026, LNT opened at $71.07, traded as high as $72.20 and as low as $70.76, and closed at $70.79. Trading volume was a total of 3.06M shares. On June 04, 2026, LNT opened at $71.50, traded as high as $71.67 and as low as $70.29, and closed at $71.39. Trading volume was a total of 1.72M shares. On June 05, 2026, LNT opened at $71.56, traded as high as $73.24 and as low as $71.55, and closed at $72.87. Trading volume was a total of 2.78M shares. On June 08, 2026, LNT opened at $72.63, traded as high as $73.14 and as low as $71.62, and closed at $71.71. Trading volume was a total of 2.89M shares. On June 09, 2026, LNT opened at $71.69, traded as high as $72.81 and as low as $71.36, and closed at $72.37. Trading volume was a total of 2.69M shares.

LNT Historical Stock Prices By Date:

LNT historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Alliant Energy shares, starting with a $10,000 purchase of LNT, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested
Start date: 06/13/2016
End date: 06/09/2026
Start price/share: $38.82
End price/share: $72.37
Starting shares: 257.60
Ending shares: 352.12
Dividends reinvested/share: $16.28
Total return: 154.83%
Average Annual Total Return: 9.81%
Starting investment: $10,000.00
Ending investment: $25,479.81
Years: 9.99
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 06/13/2016
End date: 06/09/2026
Start price/share: $38.82
End price/share: $72.37
Dividends collected/share: $16.28
Total return: 128.37%
Average Annual Total Return: 8.61%
Starting investment: $10,000.00
Ending investment: $22,829.77
Years: 9.99
LNT Historical Closing Prices
Date Close
06/03/2026$70.79
06/04/2026$71.39
06/05/2026$72.87
06/08/2026$71.71
06/09/2026$72.37
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Also explore: LNT shares outstanding history

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