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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000947871-04-000382
Filing Date
2004-02-18
Accepted
2004-02-18 10:48:17
Documents
1
Group Members
ORBIMED ADVISORS LLCORBIMED CAPITAL LLCSAMUEL D. ISALY

Document Format Files

Seq Description Document Type Size
1 AMENDMENT NO. 4 sc13ga_021604-alexion.txt SC 13G/A 10723
  Complete submission text file 0000947871-04-000382.txt   12639
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: 0731
Type: SC 13G/A | Act: 34 | File No.: 005-47771 | Film No.: 04612068
SIC: 2834 Pharmaceutical Preparations

Mailing Address
Business Address 41 MADISON AVE 40TH FL NEW YORK NY 10010 2126845700
ORBIMED ADVISORS LLC (Filed by) CIK: 0001055951 (see all company filings)

IRS No.: 133976876 | State of Incorp.: DE