Besides Hereditary & Midsommar
Any lowkey good ones. When I say good I don’t mean a good story just frightening
Colour Out of Space left me feeling disturbed the same way Hereditary did if that's what you're looking for
Climax (2018)
Mother! (2017)
The Lighthouse (2019)
Annihilation (2018)
The Witch (2015)
Posessor (2020)
Suspiria (2018)
The Void (2016)
Mandy (2018)
Inland Empire (2006) is a bit older but one of the scariest films i have ever seen