Broadcast said Blackstone had agreed with competition authorities to offload six cinemas since it already owned the Cineworld chain.
The cinemas are said to be in Birmingham Great Park, Ealing/Slough, Swindon, Harlow, Wigan and Boldon in Tyne and Wear.
According to Broadcast, Sky chief operating officer Richard Freudenstein is spearheading the deal.
Links open in a new window. The DTG is not responsible for the content of other web sites.