Revolution Medicines Inc., a California-based company developing a small-molecule inhibitor of SHP2 in partnership with Sanofi SA and other programs targeting mutant forms of the key signaling protein RAS, has raised a $100 million series C equity financing led by Boxer Capital LLC, an investment firm funded by British businessman Joe Lewis' Tavistock Group, which has backed financings of companies including G1 Therapeutics Inc., Kura Oncology Inc. and, more recently, Encoded Therapeutics Inc.