Market Cap

A2A S.p.A. Market Capitalization:

€7.24 Billion

EUR as of Jan. 1, 2026

US$8.51 Billion

business A2A S.p.A. Company Profile

A2A S.p.A. Main Stock Listing

MTA: A2A

Market Capitalization History of A2A S.p.A.

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

Top Competitors by Market Capitalization

Industry: Utilities—Diversified
Company Market Cap (USD)
Iberdrola, SA $146.18 B
Enel SpA $106.27 B
National Grid plc $77.12 B
Engie SA $65.60 B
PacifiCorp $65.07 B
Sector: Utilities
Company Market Cap (USD)
NextEra Energy $168.55 B
Iberdrola, SA $146.18 B
Siemens Energy $123.41 B
Constellation Energy $114.42 B
Enel SpA $106.27 B

Yearly evolution of A2A S.p.A. market cap

Date Market Cap YoY Change
Jan. 1, 2026 €7.24 B 6.28%
Jan. 1, 2025 €6.81 B 14.36%
Jan. 1, 2024 €5.96 B 47.43%
Jan. 1, 2023 €4.04 B -22.15%
Jan. 1, 2022 €5.19 B 25.34%
Jan. 1, 2021 €4.14 B -25.66%
Jan. 1, 2020 €5.57 B 13.22%
Jan. 1, 2019 €4.92 B 2.98%
Jan. 1, 2018 €4.78 B 25.28%
Jan. 1, 2017 €3.81 B 12.08%
Jan. 1, 2016 €3.40 B 30.45%
Jan. 1, 2015 €2.61 B 5.43%
Jan. 1, 2014 €2.47 B 62.41%
Jan. 1, 2013 €1.52 B

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

A2A S.p.A. Categories

Italy languages Utilities languages Utilities—Diversified
Italy Utilities Italy Utilities—Diversified

Stocks & Indices

A2A S.p.A. has the following listings and related stock indices.


Stock: MTA: A2A

Stock: FSX: EAM

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.