SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-09-018306
Filing Date
2009-02-04
Accepted
2009-02-04 09:37:30
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G AMENDMENT NO. 3 dsc13ga.htm SC 13G/A 66072
  Complete submission text file 0001193125-09-018306.txt   68032
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.: 09567000
SIC: 2834 Pharmaceutical Preparations

Mailing Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 24FL BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LP (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 800175963 | Fiscal Year End: 1231
Type: SC 13G/A