RXDX Prometheus Biosciences Inc.
RXDX was the NASDAQ ticker symbol of Prometheus Biosciences 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.
RXDX at a glance
- Symbol
- RXDX
- Company / issuer
- Prometheus Biosciences Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – May 2023
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2021
- Last reported market cap
- $9.5 billion (May 2023)
RXDX ticker history
All companies and securities we have recorded under the symbol RXDX, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Ignyta, Inc. | — | Jan 2015 | Jan 2015 |
| Prometheus Biosciences Inc. | Common Stock | Mar 2021 | May 2023 |
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 RXDX?
RXDX was the ticker symbol of Prometheus Biosciences Inc on NASDAQ.
Is RXDX still trading?
No. RXDX does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in May 2023.
Which companies have used the ticker RXDX?
Our listing records show RXDX used by: Ignyta, Inc.; Prometheus Biosciences Inc..
Which exchange was RXDX listed on?
RXDX was listed on NASDAQ.