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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000053417-13-000010
Filing Date
2013-02-11
Accepted
2013-02-11 15:08:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G INITIAL ANNUAL FILING - ALXN alxn1212.txt SC 13G 7131
  Complete submission text file 0000053417-13-000010.txt   8652
Mailing Address 466 LEXINGTON AVE NEW YORK NY 10017
Business Address 466 LEXINGTON AVE NEW YORK NY 10017 2124211000
JENNISON ASSOCIATES LLC (Filed by) CIK: 0000053417 (see all company filings)

IRS No.: 132631108 | State of Incorp.: NY | Fiscal Year End: 1231
Type: SC 13G

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.: 13591228
SIC: 2834 Pharmaceutical Preparations