Blumhouse–Atomic Monster

Blumhouse–Atomic Monster is an American film and television production company formed through the merger of Blumhouse Productions, founded by Jason Blum in 2000, and Atomic Monster, founded by James Wan in 2014. The merger was completed in January 2024, bringing together two major names in horror entertainment. Headquartered in Los Angeles, California, the combined company produces feature films, television series and video games, with a strong focus on horror and supernatural storytelling. Its notable productions include The Conjuring universe, Insidious, M3GAN and The Black Phone. The company is credited as a production company on Mike Flanagan’s The Exorcist: Martyrs (2027), alongside Morgan Creek Entertainment and Red Room Pictures.