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Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001086364-10-008794
Filing Date
2010-02-09
Accepted
2010-02-09 14:50:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 alexionpharm012910.txt SC 13G/A 12095
  Complete submission text file 0001086364-10-008794.txt   14225
Mailing Address 352 KNOTTER DRIVE CHESHIRE CT 06511
Business Address 352 KNOTTER DRIVE CHESHIRE CT 06511 2037761790
ALEXION PHARMACEUTICALS INC (Subject) CIK: 0000899866 (see all company filings)

IRS No.: 133648318 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-47771 | Film No.: 10583920
SIC: 2834 Pharmaceutical Preparations

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: 0226
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies