The Independents, whose portfolio includes the Met Gala organizer Prodject, has acquired a majority stake in Phantasm Group, the hip Paris-based collective whose film banner Vixens backed James Gray’s “Paper Tiger.” Founded a decade ago by Gary Farkas , Clément Lepoutre and Olivier Muller, Phantasm Group brings together three labels: Vixens, the film banner which helped financed “Paper Tiger,” and has produced or co-produced more than 20 feature films such as Jacques Audiard’s Oscar-winning “