ZBIO Zenas BioPharma, Inc.
NASDAQActiveCommon stock
ZBIO is the ticker symbol of Zenas BioPharma, Inc., which is listed on NASDAQ. The symbol was previously used by ProShares UltraPro Short NASDAQ Biotechnology.
ZBIO at a glance
- Symbol
- ZBIO
- Company / issuer
- Zenas BioPharma, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Aug 2018 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2024
- Market cap
- $1.8 billion (Sep 2026)
ZBIO ticker history
All companies and securities we have recorded under the symbol ZBIO, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| ProShares UltraPro Short NASDAQ Biotechnology | — | Aug 2018 | Aug 2018 |
| Zenas BioPharma, Inc. | Common Stock | Sep 2024 | present |
Zenas BioPharma, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- Waltham, MA
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC filer category
- Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
- Latest annual report
- 10-K filed 2026-03-16
- Latest interim report
- 10-Q filed 2026-08-13
- SEC CIK
- 1953926
Source: SEC EDGAR filer data.
ZBIO price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol ZBIO?
ZBIO is the ticker symbol of Zenas BioPharma, Inc on NASDAQ.
Is ZBIO still trading?
Yes. ZBIO appears in the current NASDAQ listings as of Sep 2026.
Which companies have used the ticker ZBIO?
Our listing records show ZBIO used by: ProShares UltraPro Short NASDAQ Biotechnology; Zenas BioPharma, Inc..
Which exchange is ZBIO listed on?
ZBIO is listed on NASDAQ.
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