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LYEL Stock Analysis 2026 - Lyell Immunopharma, Inc. AI Rating

LYEL Nasdaq Pharmaceutical Preparations DE CIK: 0001806952
Recently Updated • Analysis: Apr 1, 2026 • SEC Data: 2025-12-31
STRONG SELL
92% Conf
Pending
Analysis scheduled

📊 LYEL Key Takeaways

Revenue: $36.0K
Net Margin: -762,355.6%
Free Cash Flow: $-150.8M
Current Ratio: 5.28x
Debt/Equity: 0.00x
EPS: $-16.06
AI Rating: STRONG SELL with 92% confidence

Is LYEL a Good Investment? Thesis Analysis

Claude

Lyell Immunopharma is a pre-revenue stage biopharmaceutical company with severe cash burn and no clear path to profitability. The company is consuming approximately $150M in annual operating cash flow while generating minimal revenue ($36K), indicating an unsustainable business model with high execution risk and significant dilution risk.

Why Buy LYEL? Key Strengths

Claude
  • + Strong liquidity position with $60.2M in cash and 5.28x current ratio provides runway for operations
  • + Moderate leverage with 0.00x debt-to-equity ratio reduces balance sheet risk
  • + Substantial asset base of $340.1M with positive stockholders equity of $248.2M

LYEL Investment Risks to Consider

Claude
  • ! Extreme cash burn of $150M annually with only $60.2M cash remaining indicates 3-4 month runway without additional financing
  • ! Revenue of $36K with -41% YoY decline confirms company has no commercial traction or approved products generating sales
  • ! Operating losses of $269.4M and negative operating margin of -748344% reflect pre-clinical/early-stage development phase with massive R&D expenses and zero revenue offsetting
  • ! Negative free cash flow of $150.8M annually requires continuous capital raises, exposing shareholders to severe dilution
  • ! 13 insider Form 4 filings in 90 days may indicate stock sales or option exercises, potentially signaling insider concerns

Key Metrics to Watch

Claude
  • * Cash burn rate and runway to profitability or next financing event
  • * Clinical trial progress and regulatory milestones for pipeline programs
  • * R&D spending efficiency and allocation across pipeline candidates
  • * Gross cash position and frequency of dilutive capital raises
  • * Insider transaction patterns and insider confidence signals

LYEL Financial Metrics

Revenue
$36.0K
Net Income
$-274.4M
EPS (Diluted)
$-16.06
Free Cash Flow
$-150.8M
Total Assets
$340.1M
Cash Position
$60.2M

💡 AI Analyst Insight

Strong liquidity with a 5.28x current ratio provides a solid financial cushion.

LYEL Profitability Ratios

Gross Margin N/A
Operating Margin -748,344.4%
Net Margin -762,355.6%
ROE -110.6%
ROA -80.7%
FCF Margin -418,900.0%

LYEL vs Healthcare Sector

How Lyell Immunopharma, Inc. compares to Healthcare sector averages

Net Margin
LYEL -762,355.6%
vs
Sector Avg 12.0%
LYEL Sector
ROE
LYEL -110.6%
vs
Sector Avg 15.0%
LYEL Sector
Current Ratio
LYEL 5.3x
vs
Sector Avg 2.0x
LYEL Sector
Debt/Equity
LYEL 0.0x
vs
Sector Avg 0.6x
LYEL Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is LYEL Overvalued or Undervalued?

Based on fundamental analysis, Lyell Immunopharma, Inc. has mixed fundamental signals relative to the Healthcare sector in 2026.

Return on Equity
-110.6%
Sector avg: 15%
Net Profit Margin
-762,355.6%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

LYEL Balance Sheet & Liquidity

Current Ratio
5.28x
Quick Ratio
5.28x
Debt/Equity
0.00x
Debt/Assets
27.0%
Interest Coverage
N/A
Long-term Debt
N/A

LYEL 5-Year Financial Trend & Growth Analysis

LYEL 5-year financial data: Year 2021: Revenue $10.7M, Net Income -$129.4M, EPS $-24.04. Year 2022: Revenue $84.7M, Net Income -$204.5M, EPS $-15.69. Year 2023: Revenue $84.7M, Net Income -$250.2M, EPS $-1.84. Year 2024: Revenue $84.7M, Net Income -$183.1M, EPS $-0.74. Year 2025: Revenue $130.0K, Net Income -$234.6M, EPS $-18.70.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Lyell Immunopharma, Inc.'s revenue has declined by 99% over the 5-year period, indicating business contraction. The most recent EPS of $-18.70 indicates the company is currently unprofitable.

LYEL Growth Metrics (YoY)

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-418,900.0%
Free cash flow / Revenue

LYEL Quarterly Performance

Quarterly financial performance data for Lyell Immunopharma, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $15.0K -$38.8M $-2.13
Q2 2025 $8.0K -$42.7M $-2.89
Q1 2025 $3.0K -$52.2M $-0.18
Q3 2024 $25.0K -$44.6M $-0.17
Q2 2024 $13.0K -$45.8M $-0.18
Q1 2024 $3.0K -$60.7M $-0.24
Q3 2023 $3.0K -$50.9M $-0.20
Q2 2023 $27.0K -$36.3M $-0.15

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

LYEL Capital Allocation

Operating Cash Flow
-$150.0M
Cash generated from operations
Capital Expenditures
$780.0K
Investment in assets
Dividends
None
No dividend program

LYEL SEC 10-K & 10-Q Filing Analysis

Access official SEC EDGAR filings for Lyell Immunopharma, Inc. (CIK: 0001806952)

📋 Recent SEC Filings

Date Form Document Action
Mar 16, 2026 4 xslF345X05/form4-03162026_110321.xml View →
Mar 12, 2026 10-K lyel-20251231.htm View →
Mar 12, 2026 8-K lyel-20260312.htm View →
Mar 9, 2026 4 xslF345X05/form4.xml View →
Mar 9, 2026 4 xslF345X05/form4.xml View →

Frequently Asked Questions about LYEL

What is the AI rating for LYEL?

Lyell Immunopharma, Inc. (LYEL) has an AI rating of STRONG SELL with 92% confidence, based on fundamental analysis of SEC EDGAR filings.

What are LYEL's key strengths?

Claude: Strong liquidity position with $60.2M in cash and 5.28x current ratio provides runway for operations. Moderate leverage with 0.00x debt-to-equity ratio reduces balance sheet risk.

What are the risks of investing in LYEL?

Claude: Extreme cash burn of $150M annually with only $60.2M cash remaining indicates 3-4 month runway without additional financing. Revenue of $36K with -41% YoY decline confirms company has no commercial traction or approved products generating sales.

What is LYEL's revenue and growth?

Lyell Immunopharma, Inc. reported revenue of $36.0K.

Does LYEL pay dividends?

Lyell Immunopharma, Inc. does not currently pay dividends.

Where can I find LYEL SEC filings?

Official SEC filings for Lyell Immunopharma, Inc. (CIK: 0001806952) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is LYEL's EPS?

Lyell Immunopharma, Inc. has a diluted EPS of $-16.06.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is LYEL a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Lyell Immunopharma, Inc. has a STRONG SELL rating with 92% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is LYEL stock overvalued or undervalued?

Valuation metrics for LYEL: ROE of -110.6% (sector avg: 15%), net margin of -762,355.6% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy LYEL stock in 2026?

Our dual AI analysis gives Lyell Immunopharma, Inc. a combined STRONG SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is LYEL's free cash flow?

Lyell Immunopharma, Inc.'s operating cash flow is $-150.0M, with capital expenditures of $780.0K. FCF margin is -418,900.0%.

How does LYEL compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -762,355.6% (avg: 12%), ROE -110.6% (avg: 15%), current ratio 5.28 (avg: 2).

Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 1, 2026 | Data as of: 2025-12-31 | Powered by Claude AI