I am no Nietzsche expert, but I had always heard that a relative in charge of his estate, who was a fascist, took advantage of him in his old age after his brain had been diminished by syphilis. He wasn’t a liberal or leftist by modern standards, but he also didn’t seem to be a fascist or anti-Semite.
Here is an article that seems to support this view:
https://theanarchistlibrary.org/library/georges-bataille-nietzsche-and-the-fascists