XGC Views 5 meanings found XGC can refer to the iShares Global Completion Portfolio Builder Fund, an extension of the Goldbach Conjecture, the Xenopus Gene Collection, an Xtreme Greenhouse Controller, or a graphics‑driver conversion tool. Medical Xenopus Gene Collection Academic & Science eXtension of the Goldbach Conjecture Xtreme Greenhouse Controller Computing GDI Conversion Business iShares Global Completion Portfolio Builder Fund