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Lyell Immunopharma (LYEL) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Lyell Immunopharma
NasdaqGS•Healthcare•Biotechnology
$14.37+0.05(<0.01%)Market closed
Market Cap
$252.33M
P/S
9345.6x
P/B
1.1x

Lyell Immunopharma, Inc., a clinical-stage cell therapy company, develops chimeric antigen receptor (CAR) T-cell product candidates for patients with hematologic malignancies and solid tumors. The company's lead product candidate include rondecabtagene autoleucel, an autologous dual-targeting CD19/CD20 CAR T-cell therapy in development, which is in pivotal PiNACLE trial in the 3L+ setting and in a Phase 1/2 clinical trial in the 2L setting, as well as a second pivotal trial, PiNACLE-H2H, which is a Phase 3 head-to-head CAR T cell therapy randomized controlled trial of ronde-cel for LBCL in the 2L setting for the treatment of large B-cell lymphoma; and LYL273, a GCC-targeted CAR T-cell product candidate enhanced with CD19 CAR expression and controlled cytokine release designed to improve CAR T-cell expansion, immune cell infiltration, and cancer cell killing in the hostile solid tumor microenvironment, which is in Phase 1 clinical trial for the treatment of refractory metastatic colorectal cancer. The company develops therapies using various approaches, such as c-Jun overexpression and NR4A3 gene knockout, to endow functional resistance to exhaustion; Epi-R to generate population of stem-like T cells with reduced exhaustion and improved proliferation and antitumor activity; and CD62L positive enrichment to generate CAR T cells with enhanced antitumor activity. Lyell Immunopharma, Inc. was incorporated in 2018 and is headquartered in South San Francisco, California.

C

How this company scores

AverageMetricSide Score: 42/100

Strongest: Balance Sheet & Red Flags (15/25); weakest: Growth (6/25).

Profitability13/25
Growth6/25
Balance Sheet & Red Flags15/25
Cash & Earnings Quality8/25
Strengths
Interest easily coveredProfit converts from growthNet cash positionImproving margins

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/S · 9345.6x5y range 6.4x – 14999.1x
P/S 9345.6x · above its 18-quarter median

Currently above its 18-quarter median.

P/B · 1.1x5y range 0.0x – 2.2x
P/B 1.1x · above its 20-quarter median

Currently above its 20-quarter median.

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Margin Pressure

Red Flag

The company posted negative operating margins in recent quarters — core operations are unprofitable.

Earnings Quality

Red Flag

Free cash flow has been negative in 8 of the last 8 quarters — earnings are not translating to cash.

Price & Volume
Market Cap $252.33M

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue
$27,000
5Q
Q. Revenue
$4,000
50%
TTM EBITDA
$-241.28M
27%
TTM Op. Income
$-256.50M
28%
Q. Op. Income
$-47.34M
0%
TTM Net Income
$-248.48M
25%
Q. Net Income
$-44.76M
5%
EPS
$-1.92
34%
Shares Out.
$23.36M
2Q
$27,000 in TTM revenue declined 55.0% YoY, reaching $4,000 last quarter. TTM EBITDA of $-241.28M and TTM operating income of $-256.50M show growth is flowing through to the bottom line. However, net income is negative at $248.48M — growth is not yet reaching the bottom line. Across the last 8 quarters, TTM revenue has fallen for 5 consecutive quarters — a weakening trend.

Margins

Gross, EBITDA, operating, and net margin trends

EBITDA Margin
-1127875.0%
105%
Op. Margin
-1183425.0%
101%
Net Margin
-1118875.0%
2Q
Op. margin of -1183425.0% is down 594175.0% YoY — costs are rising relative to revenue. Net margin at -1118875.0% Over the past year, operating margin is down 101% — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio
N/A
P/S Ratio
9345.6x
2Q
P/B Ratio
1.1x
2Q
P/S of 9345.6x and P/B of 1.1x. P/S is high, meaning growth expectations are priced in.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets
$311.15M
19%
Cash
$72.98M
26%
Long-Term Debt
N/A
Book Value
$233.81M
22%
D/E Ratio
N/A
Debt/EBITDA
N/A

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow
$-33.92M
2%
TTM Free Cash Flow
$-133.97M
5Q
FCF Margin
-496188.9%
7Q
FCF / Net Income
0.5
2Q
TTM FCF of $-133.97M on $-33.92M in operating cash flow. The FCF / Net Income ratio of 0.5x means cash covers only part of net income — earnings quality needs attention. Across the last 8 quarters, free cash flow has risen for 5 consecutive quarters — an improving trend.

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Revenue Decline

Red Flag

TTM revenue has contracted 45.8% — significant decline indicating deteriorating demand.

Cash Burn

Red Flag

The last 8 consecutive quarters had negative FCF — the company is burning cash and may need external funding.

Share Dilution

Red Flag

Shares outstanding increased 82.3% — significant dilution, likely from stock compensation or capital raises.