Ironwood Pharmaceuticals Inc $15,558,205 Cogent Biosciences, Inc. $9,550,119 Surface Oncology, Inc. $948,786 Denali Therapeutics Inc. $39,771,081 Ironwood Pharmaceuticals Inc $15,558,205 Cogent Biosciences, Inc. $9,550,119 Surface Oncology, Inc. $948,786 Denali Therapeutics Inc. $39,771,081