Halozyme Therapeutics, Inc. is a biopharmaceutical technology platform company. The company is headquartered in San Diego, California and currently employs 350 full-time employees. The company went IPO on 2003-01-30. The firm's commercially-validated solution, ENHANZE drug delivery technology with the proprietary enzyme rHuPH20, is used to facilitate the subcutaneous delivery of injected drugs and fluids, with a focus on improving the patient experience with rapid subcutaneous delivery and reduced treatment burden. The firm licenses its technology to biopharmaceutical companies to collaboratively develop products that combine ENHANZE with its partners’ proprietary compounds. The company also develops, manufactures and commercializes, for itself or with partners, drug-device combination products using its advanced auto-injector technologies. The firm has two commercial proprietary products, Hylenex and XYOSTED. The company also has a proprietary ultra-high concentration microparticle formulation technology for biologics, branded Hypercon.