Take context from the input text and decide on the accurate relationship between 'MBDA' and 'Airbus Group' from the options provided.
Options: owned by, manufacturer, employer, headquarters location

Fri, Jul 31, 2015, 12:23 BST - UK Markets close in 4 hrs 7 mins Airbus Group interested in boosting MBDA stake Reuters - UK Focus – 18 minutes ago 64.92 +2.51
owned by