What is the relationship between 'Kraft Heinz' and 'Berkshire Hathaway' in the context of the input sentence.
Options: owned by, publisher, business division, position held

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