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Zenas BioPharma, Inc. (ZBIO)

Healthcare | Biotechnology | Waltham, United States | NasdaqGS
25.16 USD -1.24 (-4.697%) ⇩ (Oct. 13, 2026, 4 p.m. EDT)

Short-term:★★⯪☆☆Long-term:★★⯪☆☆Dividends:☆☆☆☆☆
Hot Take ↕ | Oct. 10, 2026, 6:06 a.m. EDT

The investment case here is defined by a stark disconnect between the company's financial reality and its speculative pricing. Fundamentally, Zenas BioPharma is a classic biotech venture: it has negligible revenue ($1 million), negative earnings, and burning cash, resulting in a negative forward P/E and massive valuation multiples relative to sales. There is no dividend to provide income, and the balance sheet shows significant debt against minimal equity. Despite these fundamental weaknesses, the stock has rallied nearly 56% over the last year, driven entirely by the potential of its obexelimab autoimmune franchise. However, the short-term outlook remains murky despite the recent gains. While the price has climbed, it is still trading well below its 52-week high and is currently hovering near its 50-day moving average, indicating the rally lacks broad-based technical confirmation. The statistical forecasting models are unreliable, offering no clear directional edge. The options market tells a different story, with traders aggressively buying calls at higher strikes, betting on a binary event or clinical success that could drive the price much higher. This creates a high-risk environment where the stock is priced for perfection. For a traditional investor, the lack of fundamentals and the binary nature of biotech development make this a speculative hold rather than a buy.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.041436
MSTL0.050210
AutoETS0.055489
AutoARIMA0.055491

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 23%
H-stat 2.88
Ljung-Box p 0.000
Jarque-Bera p 0.000
Excess Kurtosis 3.45
Attribute Value
Sector Healthcare
Debt to Equity Ratio 120.544
Revenue per Share 0.019
Market Cap 1,639,846,400
Forward P/E -5.40
Beta -0.88
Website https://zenasbio.com

As of Oct. 10, 2026, 6:06 a.m. EDT: Speculators are positioning for a significant upside move, evidenced by heavy open interest in out-of-the-money calls (strikes $35 and $45) expiring late in 2026 and early 2027. Conversely, put writing is concentrated at lower strikes ($15-$20), suggesting a floor rather than a crash scenario. The skew is heavily bullish, with call volume significantly outweighing put volume in the longer-dated expirations.


Info Dump

Attribute Value
52 Week Change -0.021859944
Address1 852 Winter Street
Address2 Suite 250
All Time High 44.6
All Time Low 5.83
Ask 32.33
Ask Size 2
Audit Risk 7
Average Analyst Rating 1.3 - Strong Buy
Average Daily Volume10 Day 704,750
Average Daily Volume3 Month 721,531
Average Volume 721,531
Average Volume10Days 704,750
Beta -0.88
Bid 19.16
Bid Size 2
Board Risk 7
Book Value 3.902
City Waltham
Compensation As Of Epoch Date 1,767,139,200
Compensation Risk 9
Country United States
Crypto Tradeable 0
Currency USD
Current Price 25.16
Current Ratio 9.933
Custom Price Alert Confidence HIGH
Date Short Interest 1,790,726,400
Day High 27.0
Day Low 25.035
Debt To Equity 120.544
Display Name Zenas BioPharma
Dividend Yield 0.0
Earnings Timestamp 1,786,624,200
Earnings Timestamp End 1,794,486,600
Earnings Timestamp Start 1,794,486,600
Ebitda -273,870,016
Ebitda Margins 0.0
Enterprise To Ebitda -4.727
Enterprise To Revenue 1,294.581
Enterprise Value 1,294,581,376
Eps Current Year -5.615
Eps Forward -4.66
Eps Trailing Twelve Months -9.63
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 15
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 30.6765
Fifty Day Average Change -5.5165005
Fifty Day Average Change Percent -0.17982823
Fifty Two Week Change Percent -2.1859944
Fifty Two Week High 44.6
Fifty Two Week High Change -19.439999
Fifty Two Week High Change Percent -0.43587443
Fifty Two Week Low 13.5
Fifty Two Week Low Change 11.66
Fifty Two Week Low Change Percent 0.86370367
Fifty Two Week Range 13.5 - 44.6
Financial Currency USD
First Trade Date Milliseconds 1,726,234,200,000
Float Shares 45,024,732
Forward Eps -4.66
Forward P E -5.399142
Free Cashflow -211,391,632
Full Exchange Name NasdaqGS
Full Time Employees 167
Fullday Change -1.2399998
Fullday Change Percent -4.696969
Fullday Price 25.16
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,790,812,800
Gross Margins 0.0
Gross Profits -212,472,992
Has Pre Post Market Data 1
Held Percent Insiders 0.19754
Held Percent Institutions 1.01533
Implied Shares Outstanding 65,176,723
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary Zenas BioPharma, Inc., a clinical-stage biopharma company, engages in the development and commercialization of transformative immunology-based therapies. Its lead product candidate is obexelimab, a bifunctional monoclonal antibody designed to bind CD19 and Fc?RIIb for the treatment of various I&I diseases and various indications, including immunoglobulin G4-related disease, multiple sclerosis, and systemic lupus erythematosus. The company develops ZB002, an anti-TNFa monoclonal antibody; ZB004, a CTLA-4-Ig fusion protein designed to have an extended half-life versus; and ZB001, an anti-IGF-1R monoclonal antibody. The company was formerly known as Zenas BioPharma (Cayman) Limited and changed its name to Zenas BioPharma, Inc. in August 2023. The company was incorporated in 2019 and is headquartered in Waltham, Massachusetts.
Market us_market
Market Cap 1,639,846,400
Market State PRE
Max Age 86,400
Message Board Id finmb_1815193886
Most Recent Quarter 1,782,777,600
Net Income To Common -484,384,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 1,931,186,302
Number Of Analyst Opinions 8
Open 26.11
Operating Cashflow -225,972,000
Operating Margins -77.659
Overall Risk 7
Payout Ratio 0.0
Phone 857 271 2954
Previous Close 26.4
Price Eps Current Year -4.480855
Price Hint 2
Price To Book 6.4479756
Price To Sales Trailing12 Months 1,639.8464
Profit Margins 0.0
Quick Ratio 9.783
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.25
Region US
Regular Market Change -1.24
Regular Market Change Percent -4.69697
Regular Market Day High 27.0
Regular Market Day Low 25.035
Regular Market Day Range 25.035 - 27.0
Regular Market Open 26.11
Regular Market Previous Close 26.4
Regular Market Price 25.16
Regular Market Time 1,791,921,600
Regular Market Volume 519,650
Return On Assets -0.34417
Return On Equity -1.9903901
Revenue Per Share 0.019
Sand P52 Week Change 0.17502642
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 6
Shares Outstanding 65,176,723
Shares Percent Shares Out 0.1832
Shares Short 11,941,601
Shares Short Previous Month Date 1,788,134,400
Shares Short Prior Month 11,702,288
Short Name Zenas BioPharma, Inc.
Short Percent Of Float 0.269
Short Ratio 18.11
Source Interval 15
State MA
Symbol ZBIO
Target High Price 59.0
Target Low Price 32.0
Target Mean Price 47.875
Target Median Price 46.5
Total Cash 643,126,016
Total Cash Per Share 9.867
Total Debt 297,860,992
Total Revenue 1,000,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -9.63
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 24.9449
Two Hundred Day Average Change 0.21509933
Two Hundred Day Average Change Percent 0.008622978
Type Disp Equity
Volume 519,650
Website https://zenasbio.com
Zip 2,451