NASDAQ:LNT | Market Cap | ALLIANT ENERGY CORP

Historical market capitalization from contemporaneous retained split-adjusted close and filed split-adjusted shares outstanding.

Available history
2008-12-31 to 2026-09-03
Data captured

Historical Market Cap

DateMarket Cap
2026-09-03$17.56B
2026-03-31$18.53B
2026-01-31$16.95B
2025-12-31$16.72B
2025-09-30$17.33B
2025-06-30$15.54B
2025-03-31$16.53B
2025-01-31$15.11B
2024-12-31$15.18B
2024-09-30$15.57B
2024-06-30$13.06B
2024-03-31$12.92B
2024-01-31$12.46B
2023-12-31$13.14B
2023-09-30$12.36B
2023-06-30$13.26B
2023-03-31$13.42B
2023-01-31$13.57B
2022-12-31$13.87B
2022-09-30$13.3B
2022-06-30$14.71B
2022-03-31$15.67B
2022-01-31$14.99B
2021-12-31$15.4B
2021-09-30$14.02B
2021-06-30$13.95B
2021-03-31$13.55B
2021-01-31$12.16B
2020-12-31$12.88B
2020-09-30$12.9B
2020-06-30$11.94B
2020-03-31$12.05B
2020-01-31$14.55B
2019-12-31$13.41B
2019-09-30$12.96B
2019-06-30$11.66B
2019-03-31$11.19B
2019-01-31$10.5B
2018-12-31$9.97B
2018-09-30$10.04B
2018-06-30$9.89B
2018-03-31$9.46B
2018-01-31$9.2B
2017-12-31$9.86B
2017-09-30$9.61B
2017-06-30$9.28B
2017-03-31$9.02B
2017-01-31$8.57B
2016-12-31$8.63B
2016-09-30$8.72B
2016-06-30$9.03B
2016-03-31$4.22B
2016-01-29$3.71B
2015-12-31$7.09B
2015-09-30$3.32B
2015-06-30$3.27B
2015-03-31$3.56B
2015-01-30$3.81B
2014-12-31$7.37B
2014-09-30$3.07B
2014-06-30$3.38B
2014-03-31$3.15B
2014-01-31$2.88B
2013-12-31$5.72B
2013-09-30$2.75B
2013-06-30$2.8B
2013-03-31$2.78B
2013-01-31$2.54B
2012-12-31$2.44B
2012-09-30$2.41B
2012-06-30$2.53B
2012-03-31$2.4B
2011-12-31$2.45B
2011-09-30$2.15B
2011-06-30$2.26B
2011-03-31$2.16B
2011-01-31$2.06B
2010-12-31$2.04B
2010-09-30$2.01B
2010-06-30$1.76B
2009-12-31$1.67B
2008-12-31$1.61B