Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Bloomberg Share on twitter by Ruth Liew The Australian Securities Exchange has granted billionaire Warren Buffett's Berkshire Hathaway poll position in any future capital raisings by Insurance Australia Group, which has raised the hackles of some investors, and proxy adviser group Ownership Matters.

Answer: industry: Berkshire Hathaway, Insurance