Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000913414-06-001784
Filing Date
2006-01-30
Accepted
2006-01-27 17:33:14
Documents
1

Document Format Files

Seq Description Document Type Size
1 immunogen123105.txt SC 13G 19626
  Complete submission text file 0000913414-06-001784.txt   21874
Mailing Address 128 SIDNEY ST CAMBRIDGE MA 02139
Business Address 128 SIDNEY ST CAMBRIDGE MA 02139 6179952506
IMMUNOGEN INC (Subject) CIK: 0000855654 (see all company filings)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0606
Type: SC 13G | Act: 34 | File No.: 005-40774 | Film No.: 06559315
SIC: 2834 Pharmaceutical Preparations

Mailing Address 45 FREMONT ST SAN FRANCISCO CA 94105
Business Address 45 FREMONT ST 17TH FL SAN FRANCISCO CA 94105 4155972639
BARCLAYS GLOBAL INVESTORS NA /CA/ (Filed by) CIK: 0000913414 (see all company filings)

EIN.: 943112180 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000