Halozyme Therapeutics, Inc. is a biopharmaceutical company headquartered in San Diego, California, with operations spanning the United States, Switzerland, Ireland, Belgium, Japan, and other international markets. At its core is the proprietary ENHANZE drug delivery platform, which utilizes a patented recombinant human hyaluronidase enzyme (rHuPH20). This innovative technology significantly enhances the subcutaneous (under-the-skin) administration of a diverse range of injectable medicines.