Take context from the input text and decide on the accurate relationship between 'Macquarie Group' and 'asset management' from the options provided.
Options: founded by, owned by, owner of, product/material produced

Sept 1 Australian holding company Macquarie Group Ltd's asset management business, Macquarie Specialised Investment Solutions (MSIS), appointed Guido Musso as managing director and Davide Alessandrini as director.
product/material produced