The Best Animated Film category has been owned by Disney for many years. The mouse house has won 15 of the last 21 Oscars in this category. In general, US animation has been fairly week the last decade. This year, there are some fairly interesting contenders.
Source: Oscars: It’s ‘Guillermo del Toro’s Pinocchio’ vs. ‘Turning Red’ in Animated Race — World of Reel