Warner Bros Discovery is moving towards a potential breakup, CNBC reported on Thursday, as media companies explore options for their struggling cable TV businesses and sharpen focus on their faster-growing streaming and studios divisions.

Warner Bros. Discovery said it added 5.3 million streaming subscribers in Q1 and narrowed its loss, but revenue continued to decline

Warner Bros. Discovery had a mixed first quarter with beats on streaming subs and profit, and an anticipated drop in revenue from the film studio, which has turned around in Q2. Global linear advertising sales dipped 11% with ongoing domestic audience declines offset in part by better trends in sports and international.