If you did not have a form of a backup way of tracking your list, then yes, it seems it is gone. In my case all of my want to read list that was recovered had my currently reading list. Once I moved it back, my notifications started to come back.
Everything that was recovered was jumbled into a mix in my want to read and already read list. I had to sort each one individually.

So the lists not going back... okay :") gonna added them manually now