Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000913414-09-003546
Filing Date
2009-02-05
Accepted
2009-02-05 13:29:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 immunogen123108.txt SC 13G 31556
  Complete submission text file 0000913414-09-003546.txt   33905
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
IMMUNOGEN INC (Subject) CIK: 0000855654 (see all company filings)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
Type: SC 13G | Act: 34 | File No.: 005-40774 | Film No.: 09571687
SIC: 2834 Pharmaceutical Preparations

Mailing Address 400 HOWARD STREET SAN FRANCISCO CA 94105
Business Address 400 HOWARD STREET 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