Do you mean just that the roots heaved during the winter? That happened to a lot of mine this year - many more than usual. Maybe a function of our mild winter.
The smaller ones I will lift and plant deeper. The larger ones I'll top dress.
Of the missing hostas - Regal Splendor and Restless Sea have been found. Should have found both yesterday, but didn't. Still don't know what I did with Pewterware.