Take context from the input text and decide on the accurate relationship between 'LetterOne' and 'Mikhail Fridman' from the options provided.
Options: headquarters location, owned by, publisher, member of

Hutchison Chairman Li Ka-shing and Russian billionaire Mikhail Fridman - whose LetterOne fund holds 47.9 percent of Vimpelcom's voting rights - have held on-off talks for years and came close to clinching a deal a few times before scrapping it at the eleventh hour over governance control.
owned by