Take context from the input text and decide on the accurate relationship between 'Kraft Heinz' and 'Berkshire Hathaway' from the options provided.
Options: position held, publisher, owned by, business division

Two separate filings that said they were submitted by Loreto M. Zamora on behalf of LMZ & Berkshire Hathaway Co. to the Securities and Exchange Commission on Thursday morning claimed to hold at least 10% stakes in both Kraft Heinz and Phillips 66.
owned by