Analyze the relationship between 'Berkshire Hathaway' and 'Wells Fargo' within the context of the input sentence.
Options: owner of, distribution format, industry, director/manager

The top 10 holdings include exposure to Apple, Exxon Mobil, Microsoft, Google, Johnson & Johnson, General Electric, Wells Fargo , JPMorgan Chase , Berkshire Hathaway and Procter & Gamble.
owner of