Ex Machina won the Oscar in visual effects.
Andrew Whitehurst, Paul Norris, Mark Ardington and Sara Bennett took home the statuettes.
Also nominated were Richard Stammers, Anders Langlands, Chris Lawrence and Steven Warner, for The Martian; Roger Guyett, Patrick Tubach, Neal Scanlan and Chris Corbould for Star Wars: The Force Awakens; Mad Max: Fury Road's team of Andrew Jackson, Tom Wood, Dan Oliver and Andy Williams; and The Revenant's team of Rich McBride, Matthew Shumway, Jason Smith and Cameron Waldbauer