bluebird bio Rebrands as Genetix Biotherapeutics Following Private Equity Buyout on September 18, 2025 Bluebird Bio Capital Partners Carlyle David Meek DKK1 gene FDA-approved therapies gene therapy Genetix Biotherapeutics private equity rebranding +
Bluebird bio receives rival M&A bid worth 50% higher than Carlyle-SK offer on March 31, 2025 Ayrmid Bluebird Bio Capital Carlyle Family Turdidae (organism) gene therapy High Twice a day +