ALLIANT ENERGY CORP — Investor Relations & Filings
Filings indexed
1,486
across all filing types
Latest filing
2023-01-27
Major Shareholding Noti…
Country
US
United States of America
Listing
US
LNT
Alliant Energy Corporation is a public utility holding company providing regulated energy services. Its core activities include the generation and distribution of electricity and the distribution of natural gas. The company serves approximately one million electric and 425,000 natural gas customers, primarily in Iowa and Wisconsin. Alliant Energy emphasizes a balanced energy mix and is a significant owner-operator of regulated wind and solar assets. The company's mission is to deliver energy solutions and services safely, efficiently, and responsibly to its customers and communities.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| Major Shareholding Notification 2023 | 2023-01-27 | English | |
| Major Shareholding Notification 2023 | 2023-01-25 | English | |
| 8-K | 2023-01-13 | English | |
| FORM 4 | 2023-01-11 | English | |
| FORM 4 | 2023-01-11 | English | |
| FORM 4 | 2023-01-11 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2023
9 filings
| |||||
| 9300604 | Major Shareholding Notification 2023 | 2023-01-27 | English | ||
| 9300605 | Major Shareholding Notification 2023 | 2023-01-25 | English | ||
| 9300615 | 8-K | 2023-01-13 | English | ||
| 9300606 | FORM 4 | 2023-01-11 | English | ||
| 9300607 | FORM 4 | 2023-01-11 | English | ||
| 9300608 | FORM 4 | 2023-01-11 | English | ||
| 9300609 | FORM 4 | 2023-01-11 | English | ||
| 9300611 | FORM 4 | 2023-01-11 | English | ||
| 9300616 | 8-K | 2023-01-04 | English | ||
|
2022
6 filings
| |||||
| 9300612 | FORM 4 | 2022-12-20 | English | ||
| 9300618 | 8-K | 2022-12-14 | English | ||
| 9300614 | 424B5 | 2022-12-14 | English | ||
| 9300619 | 10-Q | 2022-11-08 | English | ||
| 9300617 | 8-K | 2022-11-07 | English | ||
| 9300620 | FORM 4 SUBMISSION | 2022-10-13 | English | ||
Market data
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Peer group · Electric power transmission and distribution activities
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|---|---|---|---|
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XSTAQA1031 | AE | Electricity, gas, steam and air… |
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ADANI ELECTRICITY MUMBAI LIMITED
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Adani Energy Solutions Limited
Private utility specializing in power transmission, distrib…
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ADANIENSOL | IN | Electricity, gas, steam and air… |
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ADANI TRANSMISSION LIMITED
Largest private power transmission company developing and m…
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4N5B | SG | Electricity, gas, steam and air… |
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Admie (IPTO) Holding S.A.
Holding company for the operator of the national electricit…
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ADMIE | GR | Electricity, gas, steam and air… |
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AES CORP
A global power company that generates and distributes elect…
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AES | US | Electricity, gas, steam and air… |
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AFLUENTE TRANSMISSÃO DE ENERGIA ELETRICA S/A
Manages over 6,000 km of high-voltage power transmission in…
|
— | BR | Electricity, gas, steam and air… |
|
ALFA TRANSMISORA DE ENERGIA S.A.
Electric power transmission company operating diversified a…
|
— | CL | Electricity, gas, steam and air… |
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ALLETE INC
An energy company with regulated utilities and investments …
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ALE | US | Electricity, gas, steam and air… |
ALLIANT ENERGY CORP via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/30351/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30351 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=30351 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30351 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 30351}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for ALLIANT ENERGY CORP (id: 30351)"
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