Mereo BioPharma Group PLC ADR
NASDAQ: MREO · HEALTHCARE · BIOTECHNOLOGY
Updated 2026-06-03
Mereo BioPharma Group PLC ADR (MREO) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for MREO.
Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.
MREO historical valuation range
Where current P/E sits in MREO's own 5Y range.
MREO intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Standard discounted cash flow models produce unreliable output for unprofitable or near-breakeven companies. Revenue-based multiples such as P/S and EV/Sales, combined with the historical valuation position above, give a more reliable read for this stock.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
MREO valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
P/S Ratio — History
Current: 99.99x
Is MREO overvalued in 2026?
Mereo BioPharma Group PLC ADR (MREO) currently trades at $0.24 per share with a market capitalization of $49,992,500.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 25/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
MREO currently has no meaningful P/E ratio, which typically signals that the company is unprofitable, near breakeven, or emerging from a loss-making period. With a P/S ratio of 100.0x, the market is valuing the company primarily on its revenue rather than its earnings.
A standard DCF model does not produce reliable output for MREO under current conditions. For unprofitable or near-breakeven companies, revenue-based multiples such as EV/Sales and historical P/S percentile are more informative than intrinsic value calculations.
The Piotroski F-Score of 4/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.
Bottom line: MREO appears richly valued on our framework, with a Smart Value Score of 25/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.
Frequently asked questions
Is MREO overvalued?
MREO scores 25/100 on our Smart Value Score (Grade F), a weak overall profile. A standard DCF is unreliable here given the profitability profile, so valuation leans on revenue-based measures like EV/Sales and the P/S percentile below.
What is MREO's fair value?
A standard DCF is unreliable for MREO given its current profitability profile. Revenue-based approaches like EV/Sales or the historical P/S percentile are more informative for this stock.
What P/E ratio does MREO trade at?
MREO does not have a meaningful P/E right now, usually a sign of unprofitability or an earnings transition. For unprofitable growth names, price-to-sales is the more useful gauge.
Is MREO a buy based on valuation?
Our Smart Value rating for MREO is Strong Sell, from a Smart Value Score of 25/100 that blends growth, quality, and valuation. The profile skews cautious, and a better price or clearer operating improvement would strengthen the case. This is research to inform your decision, not personalized financial advice.
How does MREO's valuation compare to its history?
There is not enough historical valuation data yet for a confident percentile read on MREO.
What is MREO's Smart Value Score?
MREO's Smart Value Score is 25/100. It is a proprietary WallStSmart metric blending growth quality, financial health, and valuation into a single 0-100 read, and scores above 75 are rare, signaling strong multi-factor alignment.