Biotech companies with little to no revenue can still be worth billions. Consider the most prominent 2017 biotech M&A deal when Gilead bought Kite Pharma for almost $12 billion. At the time of the deal, Kite had over $600 million in accumulated deficit, but it also had a pipeline of CAR-T cell therapies, which treat cancer. This article examines how to value such pipelines. It also focuses on the risk-adjusted NPV valuation methodology, portfolios of multiple drug candidates, and how value is impacted by the characteristics of the investor or acquirer.