The O4 brand, founded in 2008 (United Kingdom), from 324 sister brands and 3453 competing brands. The O4 brand is owned by Telefonica, a company listed in Madrid. Its International Securities Identification Number (ISIN) is ES0178430E18. The sector of O4 is Telecommunication Services.
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Portfolio valuation
Telefonica
(O4)
over 5 years*
EUR 2.39