Charter Studios

On December 1, 2018, AT&T announced a proposed acquisition for WarnerMedia to purchase 100% of MGM Holdings, giving Warner Bros. Entertainment the entirety of Metro-Goldwyn-Mayer, United Artists, Orion Pictures, and all other assets owned by MGM.

Film Production/Distribution and Home Entertainment

 * Metro-Goldwyn-Mayer Studios Inc.
 * MGM Home Entertainment
 * Mirror Releasing, distribution joint venture with Annapurna Pictures
 * Orion Pictures Corporation
 * Orion Classics

Television

 * MGM Television
 * Big Fish Entertainment LLC
 * Evolution Media (Evolution Film & Tape, Inc.)
 * Gato Grande Productions (joint venture with Mexican entrepreneurs Miguel Aleman and Antonio Cué)
 * Orion TV Productions, Inc.
 * Lightworkers Media
 * Channels
 * MGM HD
 * This TV (Joint venture with Tribune Broadcasting)
 * Light TV
 * Comet (owned by Sinclair Broadcast Group, operated by MGM)
 * Charge! (owned by Sinclair Broadcast Group, operated by MGM)
 * Epix
 * Epix2
 * Epix Hits
 * Epix Drive-In
 * Impact (joint venture with Comcast)
 * Rede Telecine (Brazilian joint venture with Globosat, 20th Century Fox, Paramount Pictures and Universal Pictures)
 * Telecine Action
 * Telecine Cult
 * Telecine Fun
 * Telecine Pipoca
 * Telecine Premium
 * Telecine Touch
 * Telecine Productions
 * Telecine On Demand
 * Telecine Play
 * MGM Digital
 * Stargate Command - streaming service
 * United Artists Digital Studios

Content libraries

 * Post-May 1986 MGM film and TV library
 * MGM Animation library
 * Third-party animated films released by MGM
 * United Artists, including:
 * 187 Monogram Pictures films released from 1931 to 1946
 * Ziv Television Programs library
 * Orion Pictures, including:
 * Filmways
 * American International Pictures
 * MCEG Sterling Entertainment
 * The Samuel Goldwyn Company
 * Motion Picture Corporation of America (1986–1996 library)
 * PolyGram Filmed Entertainment (pre-March 31, 1996 library), including:
 * Interscope Communications
 * The Virgin Films/Palace Pictures library
 * Island Pictures, including:
 * Atlantic Entertainment Group, including:
 * Clubhouse Pictures
 * CDR's Epic library
 * Castle Rock Entertainment (pre-1994 library)
 * Hemdale Film Corporation
 * Sherwood Productions/Gladden Entertainment
 * Nelson Entertainment library
 * Galactic Films, Inc.
 * Spikings Corporation
 * Empire International Pictures library
 * Urban Classics
 * Vision P.D.G. International
 * Trans World Entertainment
 * Fries Entertainment library
 * Cinecom Pictures library
 * Scotti Bros. Pictures library
 * 21st Century Film Corporation library
 * Most of The Cannon Group, Inc. library
 * Most of the Evolution Media library

Other assets

 * MGM Animation
 * MGM Consumer Products
 * MGM Interactive
 * MGM Music
 * MGM On Stage