Is Genentech owned by Roche?

Hello there, I have a quick question about the ownership structure of two prominent companies in the healthcare industry. Specifically, I'm wondering if Genentech is owned by Roche? I've heard some rumors and conflicting information on the matter, so I wanted to get a clear and concise answer from someone knowledgeable in the field. Could you please shed some light on this matter for me? Thank you in advance for your help.