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BLUE Bluebird bio

Cover

CoverMay 05, 2021
Cover [Abstract]
Document Period End DateMay 5,
2021
Entity Registrant Namebluebird bio, Inc.
Entity Incorporation, State or Country CodeDE
Entity File Number001-35966
Entity Tax Identification Number13-3680878
Entity Address, Address Line One60 Binney Street
Entity Address, City or TownCambridge
Entity Address, State or ProvinceMA
Entity Address, Postal Zip Code02142
City Area Code339
Local Phone Number499-9300
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Title of 12(b) SecurityCommon Stock, $0.01 par value per share
Trading SymbolBLUE
Security Exchange NameNASDAQ
Entity Emerging Growth Companyfalse
Entity Central Index Key0001293971
Amendment Flagfalse
Document Type8-K