MetaCap

Clene (CLNN) vs Mereo BioPharma Group (MREO)

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

Summary

Clene (CLNN) has outperformed Mereo BioPharma Group (MREO) over the past year, losing 58.8% versus a loss of 80.9%. Over five years, MREO leads with a -82.8% price change compared with -96.9% for CLNN. Mereo BioPharma Group is the larger company by market cap ($56.8 million vs $55.2 million), about 1.0 times the size.

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

Relative performance

CLNN-58.81%MREO-80.86%
+39%-28%-94%
Oct 8, 20251 yearOct 8, 2026
CLNN-97.17%MREO-82.79%
+133%+12%-109%
Oct 4, 20215 yearsOct 5, 2026

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

Head-to-head

CLNN versus MREO key metrics
MetricCLNNMREO
Share price$3.88$0.3556
Market cap$55.15M$56.79M
1-day change0.00%-5.22%
YTD return-33.90%-10.02%
1-year return-58.81%-80.86%
5-year return-96.86%-82.79%
EPS (TTM)$-3.52$-0.20
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$13.50$2.37
52-week low$3.25$0.20
Distance from 52-week high-71.26%-85.00%
Analyst consensusnonenone
Avg. price target upside+729.90%+451.18%
Average volume100.21K4.04M
Shares outstanding14.21M159.69M
Employees7639
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

  • CLNN has outperformed MREO by 22.0 percentage points over the past year.

About Clene

CLNN stock →

Clene Inc., a clinical-stage pharmaceutical company, focuses on the discovery, development, and commercialization of novel clean-surfaced nanotechnology (CSN) therapeutics. The company's lead drug candidate is CNM-Au8, which is being studied in various clinical trials, including a completed Phase 2 platform trial to evaluate the safety and efficacy of CNM-Au8 in patients with amyotrophic lateral sclerosis (ALS); completed Phase 2 proof of concept clinical trial in patients with early symptomatic ALS; completed two open-label investigator blinded Phase 2 clinical trials on the brain's energy metabolites; completed Phase 2 clinical trial for the treatment of visual pathway deficits in chronic optic neuropathy for remyelination in stable relapsing Multiple Sclerosis; and a second Phase 2 clinical trial for the treatment of patients with Parkinson's Diseases.

Health Care · Biotechnology: Pharmaceutical Preparations · 76 employees

About Mereo BioPharma Group

MREO stock →

Mereo BioPharma Group plc, a biopharmaceutical company, develops and commercializes therapeutics for the treatment of rare diseases in the United Kingdom and the United States. The company develops Setrusumab, an antibody for the treatment of osteogenesis imperfecta; Alvelestat, an oral small molecule that is in Phase II clinical trial to treat Alpha-1 anti-trypsin deficiency associated lung disease; and Vantictumab, an anti-FZD monoclonal antibody for the treatment of autosomal dominant osteopetrosis type 2.

Health Care · Biotechnology: Pharmaceutical Preparations · 39 employees

CLNN vs MREO FAQ

Which is bigger, Clene or Mereo BioPharma Group?

Mereo BioPharma Group (MREO) is larger, with a market capitalization of $56.79M compared with $55.15M for Clene (CLNN).

Which stock has performed better over the past year, CLNN or MREO?

CLNN returned -58.81% over the past 12 months, compared with -80.86% for MREO (price return, excluding dividends). Past performance does not predict future results.

Are Clene and Mereo BioPharma Group in the same industry?

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

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