Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000908733-09-000061
Filing Date
2009-02-05
Accepted
2009-02-05 10:17:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 ALEXION PHARMACEUTICALS 13G alexionpharmaceuticals.htm SC 13G 39920
  Complete submission text file 0000908733-09-000061.txt   42113
Mailing Address P.O. BOX 89000 BALTIMORE MD 21289
Business Address 100 EAST PRATT ST BALTIMORE MD 21202 (410)345-
PRICE T ROWE ASSOCIATES INC /MD/ (Subject) CIK: 0000080255 (see all company filings)

EIN.: 520556948 | State of Incorp.: MD | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-39706 | Film No.: 09570308
SIC: 6200 Security & Commodity Brokers, Dealers, Exchanges & Services

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)

EIN.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000