Icagen Inc $0 Ionis Pharmaceuticals Inc $99,675,000 United Therapeutics Corp $1,451,485,302 Zosano Pharma Corp $163,909 Zymeworks Inc $26,377,688 Avidity Biosciences, Inc. $56,491,072 Sigilon Therapeutics, Inc. $0 Prevail Therapeutics Inc. $0 Akouos, Inc. $0 Icagen Inc $0 Ionis Pharmaceuticals Inc $99,675,000 United Therapeutics Corp $1,451,485,302 Zosano Pharma Corp $163,909 Zymeworks Inc $26,377,688 Avidity Biosciences, Inc. $56,491,072 Sigilon Therapeutics, Inc. $0 Prevail Therapeutics Inc. $0 Akouos, Inc. $0