Take context from the input text and decide on the accurate relationship between 'Xstrata' and 'Glencore' from the options provided.
Options: chairperson, member of, owned by, distributed by

"We now find Glencore is the first of the major miners to raise equity in the current tough pricing environment, the marketing division failing to deliver as indicated in [the first half of 2015], poor acquisition outcomes in [African oil group] Caracal and Xstrata and difficult operating outcomes in key assets," Clifford says.
owned by