Take context from the input text and decide on the accurate relationship between 'SABMiller' and 'Anheuser-Busch InBev' from the options provided.
Options: platform, stock exchange, owned by, position held

After weeks of negotiation and months of speculation, beer giants SABMiller PLC and Anheuser-Busch InBev SA on Tuesday said they’ve agreed on the keys terms for a merger.
owned by