XOMA Corporation, a biotechnology royalty aggregator, engages in helping biotech companies for improving human health. The company acquires the potential future economics associated with pre-commercial therapeutic candidates that have been licensed to pharmaceutical or biotechnology companies. It acquires the future economics, the seller receives non-dilutive, non-recourse funding they can use to advance internal drug candidate or for general corporate purposes. The company has a portfolio with approximately 70 assets. XOMA Corporation was incorporated in 1981 and is headquartered in Emeryville, California.