Best Comic-to-Motion Picture Release: Joker
Best Science Fiction Release: Star Wars: Episode IX - The Rise of Skywalker
Best Fantasy Film Release: Once Upon a Time... In Hollywood
Best Horror Film Release: Doctor Sleep
Best Action/Adventure Film Release: 1917
Best Thriller Film Release: Knives Out
Best Actor in a Film: Joaquin Phoenix (Joker)
Best Actress in a Film: Elisabeth Moss (The Invisible Man)
Best Supporting Actor in a Film: Adam Driver (Star Wars: Episode IX - The Rise of Skywalker)
Best Supporting Actress in a Film: Ana De Armas (Knives Out)
Best Performance by a Younger Actor in a Film: Roman Griffin Davis (Jojo Rabbit)
Best Film Director: Quentin Tarantino (Once Upon a Time... In Hollywood)
Best Film Screenplay: Joker (Todd Phillips, Scott Silver)
Best Film Editing: Knives Out (Bob Ducsay)
Best Film Production Design: Once Upon a Time... In Hollywood (Barbara Ling)
Best Film Music: Parasite (Jaeil Jung)
Best Film Costume: Jojo Rabbit (Mayes C. Rubeo)
Best Film Make-Up: Maleficent: Mistress of Evil (Arjen Tuiten, David White)
Best Film Visual / Special Effects: Tenet (Andrew Jackson, Andrew Lockley, Scott Fisher, Mike Chambers)
Best Independent Film Release: Palm Springs
Best International Film Release: Parasite
Best Animated Film Release: Frozen II
TELEVISION
Best Superhero Adaptation Television Series: Watchmen (HBO)
Best Science Fiction Television Series: Westworld (HBO)
Best Fantasy Television Series: Outlander (Starz)
Best Horror Television Series: Lovecraft Country (HBO)
Best Action/Thriller Television Series: Better Call Saul
Best Television Presentation (under 10 Episodes): The Mandalorian (Disney Plus)
Best Animated Television Series: Rick and Morty (Adult Swim)
Best Film Presentation on Streaming Media: Enola Holmes (Netflix)
Best Actor on a Television Series: Sam Heughan Outlander (Starz)
Best Actress on a Television Series: Regina King Watchmen (HBO)
Best Supporting Actor on a Television Series: Doug Jones Star Trek: Discovery (CBS All Access)
Best Supporting Actress on a Television Series Tessa Thompson Westworld (HBO)
Best Performance by a Younger Actor on a Television Series Isa Briones Star Trek: Picard (CBS All Access)
Best Guest Starring Performance on Television Jeri Ryan Star Trek: Picard (CBS All Access)
HOME ENTERTAINMENT
Best Classic Film DVD/BD Release: Robocop (Director’s Cut)
Arrow
Best Television Series DVD/BD Release: The Librarians: The Complete Series Electric Entertainment
Best Film Collection DVD/BD Release: Hitchcock: British International Pictures Collection Kino
Best 4K Film Release: Jaws 45th Anniversary Universal Home Entertainment
Edited to add: I've posted a lightly edited version of this list as
My 2021 Saturn Awards votes at Crazy Eddie's Motie News.