Market Cap

Ameren Illinois Company Market Capitalization:

$1.64 Billion

USD as of July 1, 2024

business Ameren Illinois Company Company Profile

Ameren Illinois Company Main Stock Listing

OTC: AILLP

Market Capitalization History of Ameren Illinois Company

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Utilities—Regulated Electric
Company Market Cap (USD)
NextEra Energy $147.58 B
The Southern Company $84.98 B
Duke Energy Corporation $77.61 B
American Electric Power Company, Inc. $46.31 B
PG&E Corporation $44.66 B
Sector: Utilities
Company Market Cap (USD)
NextEra Energy $147.58 B
China Yangtze Power Co. Ltd $98.70 B
The Southern Company $84.98 B
Iberdrola, SA $79.29 B
Duke Energy Corporation $77.61 B

Yearly evolution of Ameren Illinois Company market cap

Date Market Cap YoY Change
Jan. 1, 2024 $1.68 B -12.00%
Jan. 1, 2023 $1.91 B -23.07%
Jan. 1, 2022 $2.49 B -2.27%
Jan. 1, 2021 $2.54 B 4.67%
Jan. 1, 2020 $2.43 B 3.59%
Jan. 1, 2019 $2.35 B -2.39%
Jan. 1, 2018 $2.40 B 2.89%
Jan. 1, 2017 $2.34 B 2.23%
Jan. 1, 2016 $2.28 B 4.80%
Jan. 1, 2015 $2.18 B 0.59%
Jan. 1, 2014 $2.17 B -0.58%
Jan. 1, 2013 $2.18 B 4.91%
Jan. 1, 2012 $2.08 B 23.48%
Jan. 1, 2011 $1.68 B 9.09%
Jan. 1, 2010 $1.54 B 1.68%
Jan. 1, 2009 $1.52 B -15.00%
Jan. 1, 2008 $1.78 B -0.36%
Jan. 1, 2007 $1.79 B -1.40%
Jan. 1, 2006 $1.82 B -4.68%
Jan. 1, 2005 $1.91 B 1.91%
Jan. 1, 2004 $1.87 B 24.32%
Jan. 1, 2003 $1.50 B 5.36%
Jan. 1, 2002 $1.43 B 5.16%
Jan. 1, 2001 $1.36 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

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Ameren Illinois Company Categories

United States languages Utilities languages Utilities—Regulated Electric
United States Utilities United States Utilities—Regulated Electric

Stocks & Indices

Ameren Illinois Company has the following listings and related stock indices.


Stock: OTC: AILLP

Stock: OTC: AILIM

Stock: OTC: AILIN

Stock: OTC: AILIO

Stock: OTC: AILIP

Stock: OTC: AILIH

Stock: OTC: AILLM

Stock: OTC: AILLN

Stock: OTC: AILLO

Stock: OTC: AILLI

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.