MetaCap

Keros Therapeutics (KROS) vs Lyell Immunopharma (LYEL)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.

Summary

Keros Therapeutics (KROS) has outperformed Lyell Immunopharma (LYEL) over the past year, losing 27.1% versus a loss of 51.9%. Over five years, KROS leads with a -70.1% price change compared with -96.7% for LYEL. Keros Therapeutics is the larger company by market cap ($230.8 million vs $215.4 million), about 1.1 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

KROS-27.07%LYEL-51.86%
+120%+29%-61%
Oct 8, 20251 yearOct 8, 2026
KROS-68.50%LYEL-96.60%
+100%-3%-106%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

KROS versus LYEL key metrics
MetricKROSLYEL
Share price$11.64$8.79
Market cap$230.79M$215.40M
1-day change+3.84%+2.69%
YTD return-42.83%-71.44%
1-year return-27.07%-51.86%
5-year return-70.15%-96.69%
EPS (TTM)$-3.22$-13.19
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$22.55$45.00
52-week low$9.69$8.21
Distance from 52-week high-48.38%-80.47%
Analyst consensusbuybuy
Avg. price target upside+70.36%+330.94%
Average volume196.01K145.70K
Shares outstanding19.83M24.51M
Employees92161
SectorHealth CareHealth Care
IndustryBiotechnology: Pharmaceutical PreparationsBiotechnology: Pharmaceutical Preparations

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • KROS has outperformed LYEL by 24.8 percentage points over the past year.

About Keros Therapeutics

KROS stock →

Keros Therapeutics, Inc., a clinical-stage biopharmaceutical company, develops and commercializes novel therapeutics to treat patients with disorders linked to dysfunctional signaling of the transforming growth factor-beta family of proteins in the United States. It develops rinvatercept, which acts as a ligand trap and inhibits the biological effects of myostatin and activin A in Phase 1 clinical trials for Duchenne Muscular Dystrophy and Amyotrophic Lateral Sclerosis; and elritercept to target TGF-ß signaling pathways to address diseases that arise from ineffective hematopoiesis in Phase 3 clinical trials for Myelodysplastic Syndromes and Phase 2 clinical trials for Myelofibrosis.

Health Care · Biotechnology: Pharmaceutical Preparations · 92 employees

About Lyell Immunopharma

LYEL stock →

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.

Health Care · Biotechnology: Pharmaceutical Preparations · 161 employees

KROS vs LYEL FAQ

Which is bigger, Keros Therapeutics or Lyell Immunopharma?

Keros Therapeutics (KROS) is larger, with a market capitalization of $230.79M compared with $215.40M for Lyell Immunopharma (LYEL).

Which stock has performed better over the past year, KROS or LYEL?

KROS returned -27.07% over the past 12 months, compared with -51.86% for LYEL (price return, excluding dividends). Past performance does not predict future results.

Are Keros Therapeutics and Lyell Immunopharma in the same industry?

Yes. Both are classified in the Biotechnology: Pharmaceutical Preparations industry within the Health Care sector.

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