The Astros are the largest owners of CSN Houston at a little over 46 percent. The Rockets own 31 percent and the remaining 22-ish percent
is probably owned by the Dos Equis guy because he had to foul up at some point belongs to NBC Universal. NBC Universal just filed a petition to begin an involuntary Chapter 11 bankruptcy proceeding against the RSN “in order to resolve structural issues affecting CSN Houston’s partnership.”
CSN Houston is carried in only 40 percent of Houston homes and has had a terrible time of negotiating carriage fees with providers like Verizon FIOS and AT&T. Throw in a terrible baseball team and it's a recipe for shitty ratings and literally zero Nielsen homes watching the network. According to NBC, part of the problem in getting the network in front of more eyes is the partnership structure and the bankruptcy petition is aimed at fixing that.