Even though have never found it really to useful, I thought I would see if I could see how much overlap I have in underline securities between some mutual funds. After getting basically nothing from with all securities selected I decided to selected individual ones.
Well to my surprise the only security types it seems to be showing is cash equivalents and indexes!

Note it is missing securities like VTI, PTY, PEP, JNJ, GIS, DIS, ...