Refer to the input text as context and select the correct relationship between 'Warren Buffett' and 'Berkshire Hathaway' from the available options.
Options: distribution format, manufacturer, headquarters location, owner of

View photo A Berkshire Hathaway shareholder poses with a likeness of Berkshire CEO Warren Buffett at the shareholder's shopping day in Omaha, Nebraska May 1, 2015.
owner of