Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000942302-05-000027
Filing Date
2005-02-14
Accepted
2005-02-14 12:15:53
Documents
1

Document Format Files

Seq Description Document Type Size
1 alxn13ga1.txt SC 13G/A 12129
  Complete submission text file 0000942302-05-000027.txt   14055
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)

EIN.: 133648318 | State of Incorp.: DE | Fiscal Year End: 0731
Type: SC 13G/A | Act: 34 | File No.: 005-47771 | Film No.: 05605642
SIC: 2834 Pharmaceutical Preparations

Mailing Address 388 MARKET STREET SUITE 200 SAN FRANCISCO CA 94111
Business Address 388 MARKET STREET SUITE 200 SAN FRANCISCO CA 94111 4155912700
RS INVESTMENT MANAGEMENT CO LLC (Filed by) CIK: 0001085256 (see all company filings)

EIN.: 943321067
Type: SC 13G/A