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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950123-11-011804
Filing Date
2011-02-10
Accepted
2011-02-10 16:17:45
Documents
1
Group Members
BIOTECH TARGET N.V.

Document Format Files

Seq Description Document Type Size
1 SC 13G/A w81533sc13gza.htm SC 13G/A 35299
  Complete submission text file 0000950123-11-011804.txt   37225
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)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-40774 | Film No.: 11592754
SIC: 2834 Pharmaceutical Preparations

Mailing Address VODERGASSE 3 SWITZERLAND SCHAFFHAUSEN V8 CH-8300
Business Address VODERGASSE 3 SWITZERLAND SCHAFFHAUSEN V8 CH-8300 411724 59 59
BB BIOTECH AG (Filed by) CIK: 0000924223 (see all company filings)

State of Incorp.: V8 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000