Alfama films (French production company), co-producer of the movie, reports shooting date and lists Cosmopolis as "Upcoming Film".
Same report from Paris Match - filming will begin May 23, 2011 in Toronto. LeRPattzClub via gossip_dance
Old promo teaser poster via slashfilm Plus old info dated May 14, 2010. Prior to Rob being cast."There’s no studio on board this one yet; a Paris-based company, Kinology, is selling international rights at Cannes, and the film is being produced by Cronenberg’s company Antenna, and Alfalma Films out of Portugal. Plans are to shoot the film from March through May of 2011."