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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000908733-09-000064
Filing Date
2009-02-05
Accepted
2009-02-05 10:25:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 ALEXION PHARMACEUTICALS 13G alexionpharmaceuticals.htm SC 13G 39920
  Complete submission text file 0000908733-09-000064.txt   42078
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 | Act: 34 | File No.: 005-47771 | Film No.: 09570331
SIC: 2834 Pharmaceutical Preparations

Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 3126349231
COLUMBIA WANGER ASSET MANAGEMENT LP (Filed by) CIK: 0000908733 (see all company filings)

IRS No.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000