1 DNA Way, South San Francisco, CA 94080-4990; with facilities in Vacaville, CA; Rochester, MI; South San Francisco, CA; Greenville, NC; and Woodstock, IL; Genentech was majority owned (55.3% in 4/2004) by Roche Holding Ltd., parent company of Hoffmann-La Roche, and Roche had an option to purchase the remaining portion of the company in the future; Roche also had rights extending to 2015 to license marketing rights for Genetech products; In early 2009, Roche fully acquired the remaining Genentech stock it did not already own, and Genentech is being merged into Roche.
