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Mereo BioPharma Group plc (MREO)

Healthcare | Biotechnology | London, United Kingdom | NasdaqCM
0.32 USD -0.01 (-4.179%) ⇩ (July 13, 2026, 4 p.m. EDT)

Short-term:★☆☆☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | July 11, 2026, 4:23 a.m. EDT

The investment case for Mereo BioPharma is severely compromised by a catastrophic failure in its core business thesis. The company recently announced failed Phase 3 trials, a development that has triggered a massive legal crisis with class-action lawsuits already underway. Fundamentally, the stock is a value trap: despite trading at a low price relative to book value, the enterprise value remains inflated relative to its negligible revenue, and the balance sheet is bleeding cash with no path to profitability visible. The price action confirms this despair, having erased nearly 60% of its value in the trailing twelve months and failing to recover from a previous spike. With no dividend to provide income and a legal overhang threatening further dilution or delisting, the security offers no margin of safety. The options market reflects this consensus of doom, with traders buying deep out-of-the-money puts while ignoring any potential for recovery.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoETS ✓0.111536
MSTL0.112257
AutoTheta0.181792
AutoARIMA0.258958

Forecast horizon: 45 days | Selected: AutoETS

Forecast Reliability
Score 40%
H-stat 1.19
Ljung-Box p 0.000
Jarque-Bera p 0.161
Excess Kurtosis -1.05
Attribute Value
Sector Healthcare
Revenue per Share 0.003
Market Cap 51,237,576
Forward P/E -8.46
Beta 0.29
Website https://www.mereobiopharma.com

As of July 11, 2026, 4:23 a.m. EDT: Speculators are overwhelmingly bearish, positioning exclusively for downside protection with zero call volume across all expirations. Put open interest is concentrated at strikes significantly above the current price ($1.00 to $3.00), indicating a strong expectation of further decline rather than a bounce. Implied volatility is elevated on these protective puts, reflecting fear of continued deterioration.


Info Dump

Attribute Value
52 Week Change -0.8052325
Address1 One Cavendish Place
Address2 4th Floor
All Time High 8.48
All Time Low 0.2
Ask 0.4173
Ask Size 2
Average Daily Volume10 Day 1,489,900
Average Daily Volume3 Month 3,467,260
Average Volume 3,467,260
Average Volume10Days 1,489,900
Beta 0.294
Bid 0.2291
Bid Size 2
Book Value 0.213
City London
Compensation As Of Epoch Date 1,767,139,200
Country United Kingdom
Crypto Tradeable 0
Currency USD
Current Price 0.321
Current Ratio 6.481
Custom Price Alert Confidence HIGH
Date Short Interest 1,782,777,600
Day High 0.3314
Day Low 0.316
Display Name Mereo BioPharma
Earnings Timestamp 1,778,589,000
Earnings Timestamp End 1,786,451,400
Earnings Timestamp Start 1,786,451,400
Ebitda -35,262,000
Ebitda Margins 0.0
Enterprise To Ebitda -0.426
Enterprise To Revenue 30.029
Enterprise Value 15,014,573
Eps Current Year -0.0282
Eps Forward -0.03792254
Eps Trailing Twelve Months -0.2
Esg Populated 0
Exchange NCM
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 0.2966
Fifty Day Average Change 0.024399996
Fifty Day Average Change Percent 0.08226566
Fifty Two Week Change Percent -80.523254
Fifty Two Week High 2.37
Fifty Two Week High Change -2.0489998
Fifty Two Week High Change Percent -0.8645569
Fifty Two Week Low 0.2
Fifty Two Week Low Change 0.12100001
Fifty Two Week Low Change Percent 0.605
Fifty Two Week Range 0.2 - 2.37
Financial Currency USD
First Trade Date Milliseconds 1,556,112,600,000
Float Shares 117,160,059
Forward Eps -0.03792254
Forward P E -8.464623
Free Cashflow -14,362,750
Full Exchange Name NasdaqCM
Full Time Employees 39
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.734
Gross Profits 367,000
Has Pre Post Market Data 1
Held Percent Insiders 0.0074699996
Held Percent Institutions 0.47896
Implied Shares Outstanding 159,618,609
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Long Business Summary 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. It also develops Leflutrozole, an oral aromatase inhibitor, which is in Phase 2 trials for use in the treatment of hypogonadotropic hypogonadism; Navicixizumab, which has completed Phase 1b clinical trials for the treatment of the late line ovarian cancer; Etigilimab, an IgG1 monoclonal antibody which binds to the human TIGIT receptor on immune cells for the Treatment of advanced solid tumors; and Acumapimod, a p38 MAP kinase inhibitor that is in Phase II clinical trials to treat acute exacerbations of chronic obstructive pulmonary disease. The company has a license agreement with Feng Biosciences for the development and commercialization of navicixizumab; license agreement with ReproNovo for the development and commercialization of leflutrozole; and licensing agreement with AstraZeneca. Mereo BioPharma Group plc was incorporated in 2015 and is headquartered in London, United Kingdom.
Long Name Mereo BioPharma Group plc
Market us_market
Market Cap 51,237,576
Market State PRE
Max Age 86,400
Message Board Id finmb_307970474
Most Recent Quarter 1,774,915,200
Net Income To Common -35,710,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 51,860,084
Number Of Analyst Opinions 6
Open 0.33
Operating Cashflow -26,954,000
Operating Margins -71.822
Payout Ratio 0.0
Phone 44 33 3023 7300
Pre Market Change 0.0
Pre Market Change Percent 0.0
Pre Market Price 0.321
Pre Market Time 1,784,025,772
Previous Close 0.335
Price Eps Current Year -11.382978
Price Hint 4
Price To Book 1.5070423
Price To Sales Trailing12 Months 102.47515
Profit Margins 0.0
Quick Ratio 6.168
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change -0.014
Regular Market Change Percent -4.1791
Regular Market Day High 0.3314
Regular Market Day Low 0.316
Regular Market Day Range 0.316 - 0.3314
Regular Market Open 0.33
Regular Market Previous Close 0.335
Regular Market Price 0.321
Regular Market Time 1,783,972,801
Regular Market Volume 654,371
Return On Assets -0.41207
Return On Equity -0.7587
Revenue Per Share 0.003
Sand P52 Week Change 0.20847368
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 159,618,609
Shares Percent Shares Out 0.0369
Shares Short 5,883,564
Shares Short Previous Month Date 1,780,012,800
Shares Short Prior Month 8,160,044
Short Name Mereo BioPharma Group plc
Short Percent Of Float 0.045300003
Short Ratio 2.16
Source Interval 15
Symbol MREO
Target High Price 2.968894
Target Low Price 0.4959296
Target Mean Price 1.7234958
Target Median Price 1.4744215
Total Cash 36,223,000
Total Cash Per Share 0.227
Total Debt 0
Total Revenue 500,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -0.2
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 0.901055
Two Hundred Day Average Change -0.580055
Two Hundred Day Average Change Percent -0.64375097
Type Disp Equity
Volume 654,371
Website https://www.mereobiopharma.com
Zip W1G 0QF