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Stock comparison · Signal date 2026-11-06

SLS vs ZBIO: stock comparison and AI forecast

Sellas Life Sciences Group, Inc. (SLS) and Zenas Biopharma, Inc. (ZBIO) compared on price performance, valuation, profitability and the daily AI forecast. · Alpha · vs market

Share
Nasdaq · Pharmaceutical Preparations

SLS Sellas Life Sciences Group, Inc.

Price
$7.88 +59.8% · 6M
Market Cap
$1.59B
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Nasdaq · Pharmaceutical Preparations

ZBIO Zenas Biopharma, Inc.

Price
$25.93 +24.5% · 6M
Market Cap
$1.69B
P/E Ratio
–
Size
small-cap
AI Forecast
Full analysis →
Model output

Which one does the AI model favor?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

6M · 2026-05-07 → 2026-11-05

Six-month price performance

Closing prices rebased to 100 at the start of the window.

110165220275
SLS +59.8% ZBIO +24.5%
SLS · ZBIO

Key facts

  • SLS and ZBIO have similar market capitalizations ($1.59B and $1.69B).
  • Over the last six months SLS returned +59.8% and ZBIO +24.5%.
  • ZBIO carries 2.18 times debt per unit of equity, against 0.06 times for SLS.
  • Both companies share the SEC industry classification Pharmaceutical Preparations.
Fundamentals

Fundamentals side by side

Trailing twelve months.

Valuation & Market

MetricSLSZBIO
Market Cap$1.59B$1.69B
P/B Ratio11.55x7.96x
EPS$-0.23$-10.85
Book Value/Share$0.68$3.26
FCF/Share–$-3.73

Profitability & Margins

MetricSLSZBIO
ROE-23.6%-255.2%
ROA-22.3%-80.2%
ROIC-25.6%-86.1%
Operating Margin–-4785.5%
Net Margin–-4925.5%
EBT Margin–-4923.1%
Tax Rate–-0.1%

Financial Health

MetricSLSZBIO
Current Ratio18.83x9.42x
D/E Ratio0.06x2.18x
Financial Leverage1.06x3.18x
Interest Coverage-122.1x-50.2x
Working Capital$135M$539M

Cash Flow

MetricSLSZBIO
Operating Cash Flow-$28M-$243M
Free Cash Flow–-$243M
Capital Spending–$0.00M

Income Statement

MetricSLSZBIO
Operating Income-$35M-$526M
Net Income-$32M-$542M
R&D Expense$20M$238M
SG&A Expense$12M–
Cost of Goods Sold$0.00M–

Dividend & Shareholder Information

MetricSLSZBIO
Shares Outstanding202M65M
FAQ

SLS vs ZBIO: stock comparison and AI forecast

Which is bigger, SLS or ZBIO?

SLS and ZBIO have similar market capitalizations ($1.59B and $1.69B).

Which stock performed better over the last six months, SLS or ZBIO?

Over the last six months SLS returned +59.8% and ZBIO +24.5%.

Which one does Intratio's AI model rank higher, SLS or ZBIO?

Intratio's model scores both stocks every trading day. Sign in to see their current direction; the exact ratings and forecasts come with a plan or a free follow slot.

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This analysis is generated automatically using our proprietary AI systems and should not be considered personalized investment advice. Past performance does not guarantee future results. Always conduct your own research and consider consulting a financial advisor before making investment decisions.