Utilize the input text as a context reference, choose the right relationship between 'Kraft Heinz' and 'Berkshire Hathaway' from the options.
Options: developer, parent organization, position held, product/material produced

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.
parent organization