ZBIO · NASDAQ
Zenas BioPharma (ZBIO) Stock Price & Fundamentals
Zenas BioPharma (ZBIO) closed at $327.30 on Oct 9, 2026, down 0.63% from the previous close of $329.36.
Share price, past year
1Y +5.58%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $327.30 |
| Sep 30, 2026 | $327.27 |
| Aug 31, 2026 | $320.07 |
| Jul 31, 2026 | $306.50 |
| Jun 30, 2026 | $314.63 |
| May 29, 2026 | $307.83 |
| Apr 30, 2026 | $308.39 |
| Mar 31, 2026 | $314.60 |
| Feb 27, 2026 | $309.44 |
| Jan 30, 2026 | $305.63 |
| Dec 31, 2025 | $309.72 |
| Nov 28, 2025 | $301.22 |
| Oct 31, 2025 | $290.81 |
Key statistics
- Market cap
- $20.73B
- P/E (TTM)
- —
- EPS (TTM)
- −$9.62
- Revenue (TTM)
- —
- Net income (TTM)
- −$484.38M
- Shares outstanding
- 63.3M
- Dividend yield
- —
- 52-week range
- $287.08 – $336.01
Zenas BioPharma's market cap is $20.73B, based on a share price of $327.30 and 63.3M shares outstanding as of Jun 30, 2026.
Financials
Zenas BioPharma reported revenue of $10.00M for fiscal 2025, up 100.00% from fiscal 2024.
Zenas BioPharma reported a net loss of $377.74M in fiscal 2025.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Dec 31, 2025 | $10.00M | +100.0% | −$377.74M | −3,777.4% | −$8.44 | −$172.35M |
| FY2024ended Dec 31, 2024 | $5.00M | −90.0% | −$156.99M | −3,139.8% | −$11.89 | −$119.81M |
| FY2023ended Dec 31, 2023 | $50.00M | — | −$37.12M | −74.3% | −$24.25 | −$30.55M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q2 FY2026ended Jun 30, 2026 | $1.00M | −$111.46M | −$1.77 |
| Q4 FY2025ended Dec 31, 2025 | $0.00 | −$240.44M | −$5.17 |
| Q3 FY2025ended Sep 30, 2025 | $0.00 | −$51.50M | −$1.22 |
| Q2 FY2025ended Jun 30, 2025 | $0.00 | −$52.22M | −$1.25 |
| Q1 FY2025ended Mar 31, 2025 | $10.00M | −$33.57M | −$0.80 |
| Q3 FY2024ended Sep 30, 2024 | $0.00 | −$38.61M | −$5.02 |
| Q2 FY2024ended Jun 30, 2024 | $0.00 | — | — |
| Q3 FY2023ended Sep 30, 2023 | $50.00M | — | — |
Company profile
- Name
- Zenas BioPharma, Inc.
- Ticker
- ZBIO
- Exchange
- NASDAQ
- Industry (SEC SIC)
- Pharmaceutical Preparations
- Headquarters
- 852 Winter Street, Suite 250, Waltham, MA 02451
- Incorporated in
- DE
- Fiscal year ends
- December
- SEC CIK
- 0001953926
Recent SEC filings
- Aug 13, 2026
- Aug 13, 2026
- May 13, 2026
- May 13, 2026
- Mar 31, 2026
- Mar 16, 2026
- Mar 16, 2026
- Feb 13, 2026
Frequently asked questions
What is Zenas BioPharma's stock price?
Zenas BioPharma (ZBIO) closed at $327.30 on Oct 9, 2026, down 0.63% from the previous close of $329.36.
What is Zenas BioPharma's market cap?
Zenas BioPharma's market cap is $20.73B, based on a share price of $327.30 and 63.3M shares outstanding as of Jun 30, 2026.
How much revenue does Zenas BioPharma make?
Zenas BioPharma reported revenue of $10.00M for fiscal 2025, up 100.00% from fiscal 2024.
Does Zenas BioPharma pay a dividend?
Zenas BioPharma's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from Zenas BioPharma, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures