Market Cap

United Internet AG Market Capitalization:

€4.87 Billion

EUR as of Jan. 1, 2026

US$5.72 Billion

business United Internet AG Company Profile

United Internet AG Main Stock Listings

Market Capitalization History of United Internet AG

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

Top Competitors by Market Capitalization

Industry: Telecom Services
Company Market Cap (USD)
China Mobile $245.54 B
T-Mobile US $224.61 B
AT&T $175.61 B
Verizon $170.85 B
Deutsche Telekom $163.47 B
Sector: Communication Services
Company Market Cap (USD)
Alphabet $3.806 T
Meta $1.639 T
Tencent $711.14 B
Netflix $385.55 B
China Mobile $245.54 B

Yearly evolution of United Internet AG market cap

Date Market Cap YoY Change
Jan. 1, 2026 €4.87 B 84.31%
Jan. 1, 2025 €2.64 B -32.50%
Jan. 1, 2024 €3.91 B 2.92%
Jan. 1, 2023 €3.80 B -40.80%
Jan. 1, 2022 €6.42 B -3.03%
Jan. 1, 2021 €6.62 B

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

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United Internet AG Categories

Germany languages Communication Services languages Telecom Services
Germany Communication Services Germany Telecom Services

Stocks & Indices

United Internet AG has the following listings and related stock indices.


Stock: FSX: UTDI

Stock: XETR: UTDI

Stock: OTC: UDIRF

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.