Lyell Immunopharma, Inc.

LYEL Healthcare Biotechnology

Lyell Immunopharma, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $36,000.00, down 41.0% from fiscal 2024. In the quarter to June 2026, revenue fell 50.0%, EPS grew 33.6% and free cash flow grew 1.31%, each against the same quarter a year earlier. Operating cash flow growth for three consecutive years; insiders bought in the last twelve months.

8.12 0.07 −0.85%
Market cap
$200.7M
P/E
0.0×
Fwd P/E
−1.6×
Dividend yield
—
F-score
2/9
Altman Z
−5.10
Beneish M
n/a
Dividend safety
n/a

Insider Decisions trades per month

Total buys 25.00
Total sells 0.60
Totals in millions of $.
Dec 25 Mar 26 Jun 26 Sep 26
Buy — — — — 2 — — — — — — —
Sell 4 1 — 7 — — 4 1 2 7 — 1
Insider Ownership 62.08%

Capital & Financial Ratios $m

Market Cap 200.70
Revenue 0.03
Net Income (248.48)
Free Cash Flow (174.87)
Net Debt (204.10)
Current Ratio 5.36 (at or above 1.5: strong)
Debt/Equity 0.00 (at or below 0.5: strong)
P/E ratio 0.00
Fwd P/E (1.56) (negative: loss-making)
P/S ratio 7,009.20 (above 10: high)
P/B ratio 0.81
Past 5Y EPS Growth —
This Y EPS Growth 54.95% (at or above 15%: strong)
Next Y EPS Growth (4.98%) (below 0%: weak)
Next Y revenue growth (66.94%) (below 0%: weak)
Next 5Y EPS Growth 26.95% (at or above 15%: strong)

Green and red mark values outside typical ranges. How we judge →

Valuation vs history

P/S against its own 10 years 73.73%
10-year low 10-year high
P/B against its own 10 years 44.10%
10-year low 10-year high

Dividends

Payout Ratio —
Annual Dividend Rate —
Annual Dividend Yield —
total individual payouts
2023 Powerpack
2022 Powerpack
2021 Powerpack
special payouts not included in total or ratios

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 546 371 247 204
Receivables — — — —
Inventory — — — —
Other — — — —
555 380 261 214
2023 2024 2025 Q'26
Payables 5 5 3 4
ST’ Debt — — — —
Other 2 0 — —
35 54 49 40

Compound Annual Growth %

10y 5y 3y
Sales — (65.85%) (92.48%)
Cash Flow — 0.00% 0.00%
Earnings — 0.00% 0.00%
Book Value — 0.00% (33.22%)

Revenue $m

Mar Jun Sep Dec Year
’26 0 0 — — —
’25 0 0 0 0 0
’24 0 0 0 0 0
’23 0 0 0 0 0
’22 1 36 0 48 85
’21 2 3 3 3 11
’20 1 3 1 — 8
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (39) (34) — — —
’25 (55) (34) (29) (32) (150)
’24 (42) (38) (35) (47) (162)
’23 (46) (39) (38) (41) (164)
’22 (48) (44) (37) (40) (170)
’21 (34) (34) (25) (33) (126)
’20 (24) (113) (22) (27) (161)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (39) (34) — — —
’25 (55) (35) (28) (74) (192)
’24 (42) (38) (35) (79) (194)
’23 (48) (40) (38) (41) (166)
’22 (58) (52) (40) (45) (194)
’21 (53) (58) (37) (43) (192)
’20 (24) (126) (34) (52) (212)
Fiscal quarters ending in the months shown.

EPS $

Mar Jun Sep Dec Year
’26 (1.10) (1.92) — — —
’25 (3.60) (2.89) (2.13) (7.68) (16.06)
’24 (4.80) (3.60) (3.40) (14.40) (26.20)
’23 (5.40) (5.20) (4.00) (4.00) (18.60)
’22 (5.60) (3.00) (5.60) (0.60) (14.80)
’21 (63.74) (29.40) (4.00) (3.60) (36.80)
’20 (0.13) (163.50) (51.42) — (308.45)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

1.6
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to December

Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Trend 2026e 2027e 2028e
Price, $
Price, $ Low — — — — — 138.00 54.80 26.40 11.64 7.65

Analyst estimates 2026–2028

Powerpack
High — — — — — 396.80 174.80 79.40 65.12 45.00
People
People Employees — — — — 188 219 274 224 300 161
Revenue/emp, $m — — — 0.00 0.04 0.05 0.31 0.00 0.00 0.00
Income, $m
Income, $m Revenue — — — 1 8 11 85 0 0 0
Gross margin, % — — — 100.00 100.00 100.00 100.00 100.00 100.00 100.00
EBT — — — (129) (204) (250) (183) (235) (343) (274)
EBT margin, % — — — (19,692.09) (2,636.31) (2,349.47) (216.24) (180,486.15) (562,285.25) (762,355.56)
Net income — 0 — (129) (204) (250) (183) (235) (343) (274)
Depreciation — — — 0 5 16 17 11 5 7
Per share, $
Per share, $ Revenue — — — 2.42 11.70 1.57 6.85 0.01 0.00 0.00
Earnings — — — (476.61) (308.45) (36.80) (14.80) (18.60) (26.20) (16.06)
Cash flow — — — 145.39 (242.68) (18.58) (13.72) (13.04) (12.42) (8.78)
Capex — — — (59.10) (77.66) (9.64) (1.96) (0.21) (2.43) (2.44)
Free cash flow — — — 86.29 (320.34) (28.22) (15.69) (13.26) (14.85) (11.22)
Book value — — — 0.00 (441.29) 136.82 67.45 52.19 29.28 14.52
Shares, m — — — 0 1 7 12 13 13 17
Valuation, ×
Valuation, × P/E — — — 0.00 0.00 0.00 0.00 0.00 0.00 0.00
P/S — — — 36.98 36.98 98.78 9.80 4,073.60 2,743.40 14,614.52
P/B — — — 0.00 0.00 1.13 1.00 0.81 0.44 2.12
EV/Sales — — — (39.71) (39.71) 41.05 2.24 (128.12) (3,330.82) 7,747.29
EV/FCF — — — 1.18 1.18 (2.28) (0.98) 0.10 1.05 (1.45)
Cash, $m
Cash, $m Operating cash flow — — — 39 (161) (126) (170) (164) (162) (150)
Capex — — — (16) (51) (66) (24) (3) (32) (42)
Free cash flow — — — 23 (212) (192) (194) (166) (194) (192)
Balance, $m
Balance, $m Working capital — — — 418 568 580 614 520 326 212
Total debt — — — 546 1,066 68 68 — — —
Net debt — — — (436) (613) (615) (640) (546) (371) (247)
Shareholders’ equity — — — — (293) 930 833 655 383 248
Returns, %
Returns, % ROA — — — 0.00 (45.81) (24.58) (17.74) (27.81) (55.28) (66.06)
ROIC — — — 0.00 0.00 (42.62) (60.54) (141.99) (1,823.39) (17,146.38)
ROE — — — 64.61 103.12 (78.53) (20.77) (31.53) (66.10) (86.98)
Negative figures in brackets.

All 10 years →

Fiscal years to Dec 2025 · latest quarter Jun 2026

Charts ten years each

Lyell Immunopharma, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
LRMR Larimar Therapeutics, Inc. $206.7M — (loss-making) — — n/m −127.63% (below 0%: shrinking) 0.00% 0.00% Compare
PRQR ProQR Therapeutics N.V. $204.6M — (loss-making) — (loss-making) +135.03% (above 0%: growing) n/m −1.06% (below 0%: shrinking) 100.00% (100.72%) Compare
NAGE Niagen Bioscience, Inc. $204.2M 12.5× 15.0× −4.28% (below 0%: shrinking) −80.00% (below 0%: shrinking) +140.63% (above 0%: growing) 64.84% 2.35% Compare
LYEL Lyell Immunopharma, Inc. $200.7M — (loss-making) — (loss-making) −50.00% (below 0%: shrinking) n/m +1.31% (above 0%: growing) 100.00% (1,183,425.00%)
RNAC Cartesian Therapeutics, Inc. $199.1M — (loss-making) — (loss-making) −92.91% (below 0%: shrinking) −7.84% (below 0%: shrinking) −6.15% (below 0%: shrinking) 100.00% 0.00% Compare
IVVD Invivyd, Inc. $197.1M — (loss-making) — (loss-making) +21.20% (above 0%: growing) n/m −226.89% (below 0%: shrinking) 91.09% (320.76%) Compare
CGEN Compugen Ltd. $197.0M 5.2× — (loss-making) +107.00% (above 0%: growing) n/m −155.42% (below 0%: shrinking) (3.54%) (339.62%) Compare
ADCT ADC Therapeutics SA $190.2M — (loss-making) — (loss-making) +2.17% (above 0%: growing) n/m +50.98% (above 0%: growing) 87.80% (132.03%) Compare
STRO Sutro Biopharma, Inc. $190.0M — (loss-making) — (loss-making) −84.57% (below 0%: shrinking) n/m +14.55% (above 0%: growing) 100.00% (303.77%) Compare
Median of peers $198.1M — — +2.17% — −3.60% 89.45% (116.37%)

All 614 Biotechnology stocks →

Lyell Immunopharma, Inc. (LYEL) key facts

  • Concern: Lyell Immunopharma, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $36,000.00, down 41.0% from fiscal 2024.
  • Concern: Lyell Immunopharma, Inc. reported a net loss of $274.4 million, or a loss of $16.06 per share, for fiscal 2025.
  • Lyell Immunopharma, Inc. (LYEL) is a Biotechnology company in the Healthcare sector, listed on Nasdaq.
  • As of October 16, 2026, LYEL traded at $8.12, a market capitalization of $200.7 million.
  • Trailing earnings are negative, so a P/E ratio is not meaningful; the stock trades at 7,009× sales.
  • Return on equity was −87.0% and debt-to-equity 0.00.
  • Its Piotroski F-score is 2 out of 9 and its Altman Z-score is −5.10 (distress zone) for fiscal 2025.

Source: company filings (standardised) and stockrow calculations.

Lyell Immunopharma, Inc. (LYEL) Latest News

stockrow.com/LYEL · Data as of Jun 30, 2026 · For information only; not investment advice. · © 2026 stockrow.com