Reallocate items from two different locations?

We have two different physical warehouse locations and our customers order stock from each interchangeably, and depending on stock levels. Sometimes, we have back orders for Location A and stock gets received into Location B. We would like the ability to have a report like the Reallocate Items screen that shows both locations. Is this possible? We don't need the ability to reallocate on the actual screen, just to be able to view one item at a time with the backorders from both locations. I'm trying to build this out on a saved search with Item as a filter but