Update 3:20pm: Adds News Corp. response. In the case of the Murdoch family empire, the closely held B shares have historically given the family about 40% of voting power despite owning about 15% of ...

At least five proxy advisors in the U.S. and Australia have now called on News Corp. (NASDAQ:NWS) shareholders to support a proposal that will end the media conglomerate's dual-class voting structure.

Activist investor Starboard Value said News Corp should eliminate its dual-class share structure, saying it gives too much influence to the family of Rupert Murdoch. The dual-class structure isn’t in ...