When tuning it’s about the added weight on the side of the bow. You would want your quiver filled with arrows minus one, the one you are shooting. You should tune and practice shooting with the same amount of arrows. It’s about weight and balance and hand torque more then any effect quiver has...
Think it would be tight depending on which broadhead plus the mini clip is really designed for a judo point or field point. The pictures show eagle flight Chief with 5 grizzly broadheads.
I sometimes have only 4 BH with a judo or I just carry a judo in my belt pocket and spin off a BH if I want...
I dont believe they effect the bow performance to any noticeable degree because they attach so low to the none working part of the limb. However shooting the bow without the quiver attached once tuned may effect the tune.