Utilize the input text as a context reference, choose the right relationship between LetterOne and Mikhail Fridman from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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 on a deal in Italy and came close a few times before scrapping it at the eleventh hour over control.

Answer: owned_by