There are a handful of Query choices, from Homebase, top menu bar choose  Homebase then Query in the menu....see what kind of choices they give you.

Oh and a query can take a long time to run depending on how many clients you have, so be prepared for your program to be tied up during this time.

Trying to determine which clients filed Form 8960; does not appear to be on the Query list. Is there a way to set up your own Query?

There is not a way to create your own query. The Client Analyzer Query does have some more queries but nothing for the 8960.