THRX Theseus Pharmaceuticals Inc.
THRX was the NASDAQ ticker symbol of Theseus Pharmaceuticals 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.
THRX at a glance
- Symbol
- THRX
- Company / issuer
- Theseus Pharmaceuticals 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
- 2004
- Last reported market cap
- $179.6 million (Jan 2024)
THRX ticker history
All companies and securities we have recorded under the symbol THRX, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Theravance, Inc. | — | Jan 2015 | Jan 2015 |
| Theseus Pharmaceuticals Inc. | Common Stock | Oct 2021 | Jan 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 THRX?
THRX was the ticker symbol of Theseus Pharmaceuticals Inc on NASDAQ.
Is THRX still trading?
No. THRX does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Jan 2024.
Which companies have used the ticker THRX?
Our listing records show THRX used by: Theravance, Inc.; Theseus Pharmaceuticals Inc..
Which exchange was THRX listed on?
THRX was listed on NASDAQ.