ABIO ARCA biopharma Inc.
ABIO was the NASDAQ ticker symbol of ARCA biopharma 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. SEC records list “ARCA biopharma, Inc.” as a former name of Oruka Therapeutics, Inc., which trades today as ORKA.
ABIO at a glance
- Symbol
- ABIO
- Company / issuer
- ARCA biopharma Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Aug 2024
- Sector
- Health Care
- Industry
- Biotechnology: In Vitro & In Vivo Diagnostic Substances
- Country
- United States
- Last reported market cap
- $34.8 million (Aug 2024)
ABIO ticker history
All listing names we have recorded under the symbol ABIO, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| ARCA biopharma Inc. | Common Stock | Jan 2015 | Aug 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 ABIO?
ABIO was the ticker symbol of ARCA biopharma Inc on NASDAQ.
Is ABIO still trading?
No. ABIO does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Aug 2024. The company now appears to trade as ORKA (Oruka Therapeutics, Inc.).
Which exchange was ABIO listed on?
ABIO was listed on NASDAQ.