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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001306550-23-003421
Filing Date
2023-01-25
Accepted
2023-01-25 10:36:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 us09609g1004_012523.txt SC 13G/A 11562
  Complete submission text file 0001306550-23-003421.txt   13394
Mailing Address 455 GRAND UNION BOULEVARD SOMERVILLE MA 02145
Business Address 455 GRAND UNION BOULEVARD SOMERVILLE MA 02145 339-499-9300
bluebird bio, Inc. (Subject) CIK: 0001293971 (see all company filings)

IRS No.: 000000000 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-87526 | Film No.: 23550547
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)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies