Listed in the chronological order he watched them.

Movies Soderbergh watched multiple times this year:

Magic Mike's Last Dance x5
The Killer x4
Sorcerer x3
Close Encounters of the Third Kind x2
Tucker: The Man and His Dream x2
West Side Story (2021) x2

For even more information, Soderbergh also listed every TV show, book, play, short story, and vinyl album he consumed this year here.

I've also made lists of what Soderbergh watched in 2014, 2015, 2016, 2017, 2018, 2019, 2020, and 2021