Hybritech ex-executives Howard Greene and Tim Wollaeger found Biovest, a San Diego based venture capital firm. Biovest helped found Pyxis, Biosite, Amylin Pharmaceuticals (NASDAQ: AMLN) and Vical (NASDAQ: VICL). All four of these companies became public. Pyxis was acquired by Cardinal Health in 1996 for $1 billion and Biosite was acquired by Inverness Technologies Inc. in 2007 for $1.7 billion.