Variantyx Inc. raised $20 million in a series C financing led by GHS Fund (Quark Venture LP and GF Securities). The new funds are earmarked for the development of comprehensive tumor diagnostic solutions and sales expansion. Also taking part in the round were new investor IBM Ventures and existing investors Pitango Venture Capital, New Era Capital Partners and 20/20 Healthcare Partners. With this latest infusion, Variantyx has raised a total of $38 million.