Figures computed from official regulatory filings — .
Analysttarget 77.38 USD (+20%) · consensus 4.08/5 · 8 buy · 5 hold · 0 sell
Ownershipinsiders 0.15% · institutions 99.1% · short 11.3% of float
In USD · as of Oct 5, 2026
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Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments. The company's IPL segment engages primarily in the generation and distribution of electricity and the distribution and transportation of natural gas to retail customers in select markets in Iowa. This segment also sells electricity to wholesale customers in Minnesota, Illinois and Iowa; and generates and distributes steam for two customers in Cedar Rapids, Iowa. Its WPL segment generates and distributes electricity, and distributes and transports natural gas to retail customers in select markets in Wisconsin; and sells electricity to wholesale customers in Wisconsin. It serves retail customers in the farming, agriculture, industrial manufacturing, chemical, packaging, and food industries, as well as wholesale customers comprising municipalities and rural electric cooperatives. In addition, the company owns and operates a short-line rail freight service in Iowa; a Mississippi River barge, rail, and truck freight terminal in Illinois; freight brokerage services; wind turbine blade recycling services; and a rail-served warehouse in Iowa. Further, it holds interests in a natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin; and a wind farm located in Oklahoma. The company was formerly known as Interstate Energy Corp. and changed its name to Alliant Energy Corporation in May 1999. Alliant Energy Corporation is headquartered in Madison, Wisconsin.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
110 buys103 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| DURIAN ROBERT J | Sell | $6.7 | SEC |
| ALLEN PATRICK Etrack record | AwardD (derivative) | $37.5K | SEC |
| Cortina Ignacio A | AwardD (derivative) | $48.7K | SEC |
| Falotico Nancy Joy | AwardD (derivative) | $56.9K | SEC |
| Raymond Christie | AwardD (derivative) | $76.2K | SEC |
| Newport Roger K | AwardD (derivative) | $56.3K | SEC |
| Cox Stephanie | AwardD (derivative) | $40K | SEC |
| Garcia Michael Dennis | AwardD (derivative) | $64K | SEC |
| Asthana Manu | AwardD (derivative) | $76.2K | SEC |
| Smyth Antonio P | Other | $90.9K | Unusual size | SEC |
| Cox Stephanie | AwardD (derivative) | $40K | SEC |
| Cortina Ignacio A | AwardD (derivative) | $48.8K | SEC |
| Falotico Nancy Joy | AwardD (derivative) | $56.9K | SEC |
| Garcia Michael Dennis | AwardD (derivative) | $64K | SEC |
| ALLEN PATRICK Etrack record | AwardD (derivative) | $37.5K | SEC |
| Newport Roger K | AwardD (derivative) | $56.3K | SEC |
| Raymond Christie | AwardD (derivative) | $76.3K | SEC |
| Valcq Rebecca C. | Other | $30.7K | SEC |
| Sundararajan Raja | Other | $792.8K | SEC |
| Farlinger Mayuri | Other | $82.5K | SEC |
| Syse Dylan | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Barton Lisa M | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Syse Dylan | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| de Leon David A | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Farlinger Mayuri | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |