I'm using Kraken and Gantry 5 on Joomla (latest updates across the board).
I have put my GA UA code in the Atom and then spent 5 minutes repeatedly dragging it to the "drag it here" box until it took on page settings. I confirmed my GA code 4 times, and have checked that it is showing in Page Settings by clicking on the gear in the GA Atom.
If I search the page, it shows the UA code, but I do not believe it is rendering properly in browser because GA Real-Time shows no traffic at all.