Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000834237-21-002845
Filing Date
2021-01-29
Accepted
2021-01-28 17:55:52
Documents
1

Document Format Files

Seq Description Document Type Size
1 us09609g1004_012821.txt SC 13G/A 11645
  Complete submission text file 0000834237-21-002845.txt   13457
Mailing Address 60 BINNEY STREET CAMBRIDGE MA 02142
Business Address 60 BINNEY STREET CAMBRIDGE MA 02142 339-499-9300
bluebird bio, Inc. (Subject) CIK: 0001293971 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-87526 | Film No.: 21566785
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies