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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000215457-19-007531
Filing Date
2019-02-11
Accepted
2019-02-11 16:23:48
Documents
1

Document Format Files

Seq Description Document Type Size
1 us8815691071_021119.txt SC 13G/A 11635
  Complete submission text file 0000215457-19-007531.txt   13433
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

Mailing Address 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451 (339) 970-0900
TESARO, Inc. (Subject) CIK: 0001491576 (see all company filings)

IRS No.: 272249687 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-86904 | Film No.: 19585787
SIC: 2834 Pharmaceutical Preparations