Seagen Inc $27,416,776 Stemline Therapeutics Inc $330,802 Atara Biotherapeutics, Inc. $343,628 Aravive Inc $728 Adaptive Biotechnologies Corp $5,429 Seagen Inc $27,416,776 Stemline Therapeutics Inc $330,802 Atara Biotherapeutics, Inc. $343,628 Aravive Inc $728 Adaptive Biotechnologies Corp $5,429