EX-21.1 5 blue-20201231xexx211.htm EX-21.1 Document

Exhibit 21.1

BLUEBIRD BIO, INC.

The following is a list of subsidiaries of the Company as of January 31, 2021:

NameJurisdiction of Incorporation
bluebird bio, Inc.Delaware
bluebird bio Securities CorporationMassachusetts
bluebird bio France, SARLFrance
bluebird bio (FR) SASFrance
bluebird bio Australia Pty LtdAustralia
bluebird bio (Bermuda) LtdBermuda
bluebird bio (UK) LtdUnited Kingdom
bluebird bio (Italy) SrlItaly
bluebird bio (Switzerland) GmbHcanton of Zug, Switzerland
bluebird bio (Germany) GmbHGermany
Bluebird Bio Greece Single Member, L.L.C.Greece
bluebird bio (Netherlands) B.V.Netherlands
Precision Genome Engineering, Inc.Washington