Celgene Corp. (NASDAQ: CELG) owns ex-U.S. rights to Juno Therapeutics' (NASDAQ: JUNO) lead drug, liso-cel (formerly JCAR017), and it owns nearly 10% of Juno Therapeutics' stock, yet that may not be enough to satisfy Celgene's desire to become a gene-therapy leader. According to The Wall Street Journal, Celgene is thinking about acquiring Juno Therapeutics outright.