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§ Public · Somerville, MA, USA
Commercial-stage biotech developing and commercializing gene therapies for severe genetic diseases, pioneering lentiviral vector technology.
Bluebird Bio, recently rebranded as Genetix Biotherapeutics, is a Somerville, Massachusetts-based biotechnology company that develops and commercializes gene therapies for severe genetic diseases like sickle cell disease and β-thalassemia. The commercial-stage enterprise utilizes proprietary lentiviral vector technology to address the underlying causes of rare conditions and has successfully secured three FDA approvals for its clinical treatments. Operating with a historical workforce of over 800 employees, the firm previously raised $116 million during its 2013 initial public offering before transitioning to a privately held structure following a June 2025 acquisition. The organization's executive leadership includes Chief Executive Officer David Meek and former CEO Nick Leschly, alongside newly appointed President Brian Riley and Chief Medical Officer Joanne Lager. The company was originally founded as Genetix Pharmaceuticals in 1992 by Dr. Philippe Leboulch and Dr. Irving London.
Bluebird Bio has raised $165.7M across 6 funding rounds.
Bluebird Bio has raised $165.7M in total across 6 funding rounds.
Bluebird Bio has raised $165.7M across 6 funding rounds. Most recently, it raised $9.3M Grant in October 2012.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Oct 26, 2012 | $9.3M Grant | California Institute For Regenerative Medicine | — | Announced |
| Jul 1, 2012 | $60M Series D | — | ARCH Venture Partners, Third Rock Ventures, Howie Furst, Forbion, RA Capital Management, Ramius Capital Group, Shire, TVM Capital | Announced |
| Apr 20, 2011 | $30M Venture Round | — | Steven Gillis, Easton Capital, Forbion, Third Rock Ventures, TVM Capital | Announced |
| Apr 1, 2011 | $30M Series C | — | ARCH Venture Partners, Third Rock Ventures, Easton Capital, Forbion, TVM Capital | Announced |
| Mar 16, 2011 | $1.4M Venture Round | French Muscular Dystrophy Association | — | Announced |
| Mar 1, 2010 | $35M Series B | — | Third Rock Ventures | Announced |
Bluebird Bio has raised $165.7M in total across 6 funding rounds.
Bluebird Bio's investors include California Institute for Regenerative Medicine, ARCH Venture Partners, Third Rock Ventures, Howie Furst, Forbion, RA Capital Management, Ramius Capital Group, Shire, TVM Capital, Steven Gillis, Easton Capital, French Muscular Dystrophy Association.
Bluebird Bio is a clinical-stage biotechnology company that develops one-time, autologous cell- and gene‑based therapies for severe genetic diseases and certain cancers, primarily using lentiviral gene addition and engineered T‑cell approaches such as CAR‑T and TCR therapies[3][1].
High-Level Overview
Origin Story
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Role in the Broader Tech/Life‑Sciences Landscape
Quick Take & Future Outlook
Quick factual notes: bluebird is headquartered in Massachusetts and has moved from early research origins into a commercial-stage developer with approved products and an expanding QTC network[1][4][3].