EX-21.1 4 d755159dex211.htm EX-21.1 EX-21.1

Exhibit 21.1

Subsidiaries of Registrant

 

Name

  

Jurisdiction of

Incorporation

bluebird bio France - SARL    France
Bluebird bio Securities Corporation    Massachusetts
Bluebird bio Australia Pty Ltd.    Australia
Precision Genome Engineering, Inc.    Washington