IMGN ImmunoGen Inc.

NASDAQNo longer listedCommon stock

IMGN was the NASDAQ ticker symbol of ImmunoGen Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.

IMGN at a glance

Symbol
IMGN
Company / issuer
ImmunoGen Inc.
Security type
Common stock
Last exchange
NASDAQ
Status
No longer listed
Seen in listing files
Jan 2015 – Jan 2024
Sector
Health Care
Industry
Biotechnology: Pharmaceutical Preparations
Country
United States
IPO year
1989
Last reported market cap
$7.8 billion (Jan 2024)

IMGN ticker history

All listing names we have recorded under the symbol IMGN, from periodic snapshots of US exchange listing files.

NameSecurityFirst seenLast seen
ImmunoGen Inc.Common StockJan 2015Jan 2024

Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.

Frequently asked questions

What company has the ticker symbol IMGN?

IMGN was the ticker symbol of ImmunoGen Inc on NASDAQ.

Is IMGN still trading?

No. IMGN does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jan 2024.

Which exchange was IMGN listed on?

IMGN was listed on NASDAQ.

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