Alliant Energy Corporation (LNT:NASDAQ) closed at $69.66 on October 23, 2026, down 0.91% on the day. The stock trades 11.6% below its 52-week high of $78.81 and 11.4% above its 52-week low of $62.54. Over the past year, it gained 1.0%. Alliant Energy Corporation is part of the Public Utilities sector (Power Generation).
In 252 trading sessions since October 23, 2025, LNT closed higher on 132 days (52%). Its best day was July 2, 2026 (+2.96%) and its worst was March 20, 2026 (-3.66%). It never moved 10% or more in a single session.
Alliant Energy is the parent of two regulated utilities, Interstate Power and Light and Wisconsin Power and Light, serving nearly 1 million electricity and 400,000 natural gas customers. Both of its subsidiaries engage in the generation and distribution of electricity and the distribution and transportation of natural gas. Alliant also owns a 16% interest in American Transmission.
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Based on end-of-day data. For information only, not investment advice.