<SEC-DOCUMENT>0000093751-23-000544-index.html : 20230310
<SEC-HEADER>0000093751-23-000544.hdr.sgml : 20230310
<ACCEPTANCE-DATETIME>20230310112557
ACCESSION NUMBER:		0000093751-23-000544
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230310
DATE AS OF CHANGE:		20230310

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			bluebird bio, Inc.
		CENTRAL INDEX KEY:			0001293971
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87526
		FILM NUMBER:		23722323

	BUSINESS ADDRESS:	
		STREET 1:		455 GRAND UNION BOULEVARD
		CITY:			SOMERVILLE
		STATE:			MA
		ZIP:			02145
		BUSINESS PHONE:		339-499-9300

	MAIL ADDRESS:	
		STREET 1:		455 GRAND UNION BOULEVARD
		CITY:			SOMERVILLE
		STATE:			MA
		ZIP:			02145

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Genetix Pharmaceuticals Inc
		DATE OF NAME CHANGE:	20040616

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STATE STREET CORP
		CENTRAL INDEX KEY:			0000093751
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				042456637
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE LINCOLN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111
		BUSINESS PHONE:		617 786-3000

	MAIL ADDRESS:	
		STREET 1:		ONE LINCOLN STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STATE STREET Corp
		DATE OF NAME CHANGE:	20090218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STATE STREET CORP
		DATE OF NAME CHANGE:	19970424

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STATE STREET BOSTON FINANCIAL CORP
		DATE OF NAME CHANGE:	19780525
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>Bluebird_Bio_Inc.txt
<TEXT>
Document 1 - file: Bluebird_Bio_Inc.txt

</DOCUMENT>
</SEC-DOCUMENT>