TTHI Transition Therapeutics, Inc.
NASDAQNo longer listed
TTHI was the NASDAQ ticker symbol of Transition Therapeutics, 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.
TTHI at a glance
- Symbol
- TTHI
- Company / issuer
- Transition Therapeutics, Inc.
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015
TTHI ticker history
All listing names we have recorded under the symbol TTHI, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Transition Therapeutics, Inc. | — | Jan 2015 | Jan 2015 |
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 TTHI?
TTHI was the ticker symbol of Transition Therapeutics, Inc on NASDAQ.
Is TTHI still trading?
No. TTHI does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jan 2015.
Which exchange was TTHI listed on?
TTHI was listed on NASDAQ.
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