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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001193125-06-028519
Filing Date
2006-02-13
Accepted
2006-02-13 14:06:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G dsc13g.htm SC 13G 63612
  Complete submission text file 0001193125-06-028519.txt   65486
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.: 06602551
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 LLC (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 300027188 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G