MREO (Mereo BioPharma Group) Cyclically Adjusted PB Ratio: 0.08 (As of Jul. 29, 2026) — 38% Below Median

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MREO Mereo BioPharma Group PLC MREO
19 GF Score
Price $0.31
! 1 Warning Sign
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What is Mereo BioPharma Group Cyclically Adjusted PB Ratio?

Mereo BioPharma Group MREO +1.45% 19 Cyclically Adjusted PB Ratio is 0.08 as of Jul. 29, 2026, which is 38% below its 10-year median of 0.13. GuruFocus rates MREO with a GF Score™ of 19/100. The stock has 1 warning sign investors should review. Among 698 Biotechnology companies, Mereo BioPharma Group ranks better than 89.54% on this metric.

As of today (2026-07-29), Mereo BioPharma Group's current share price is $0.3144. Mereo BioPharma Group's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was $3.78. Mereo BioPharma Group's Cyclically Adjusted PB Ratio for today is 0.08.

The historical rank and industry rank for Mereo BioPharma Group's Cyclically Adjusted PB Ratio or its related term are showing as below:

MREO' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.1   Med: 0.13   Max: 0.2
Current: 0.1

During the past 11 years, Mereo BioPharma Group's highest Cyclically Adjusted PB Ratio was 0.20. The lowest was 0.10. And the median was 0.13.

MREO's Cyclically Adjusted PB Ratio is ranked better than
89.54% of 698 companies
in the Biotechnology industry
Industry Median: 1.59 vs MREO: 0.10

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Mereo BioPharma Group's adjusted book value per share data of for the fiscal year that ended in Dec25 was $0.257. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $3.78 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Mereo BioPharma Group  (NAS:MREO) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Mereo BioPharma Group Cyclically Adjusted PB Ratio Related Terms


Mereo BioPharma Group Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Mereo BioPharma Group's Cyclically Adjusted PB Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Mereo BioPharma Group Cyclically Adjusted PB Ratio Chart

Mereo BioPharma Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.96 0.11

Mereo BioPharma Group Quarterly Data
Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.11 0.00

MREO vs VRTX, REGN, RVMD: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, Mereo BioPharma Group's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Mereo BioPharma Group Cyclically Adjusted PB Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Mereo BioPharma Group's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Mereo BioPharma Group's Cyclically Adjusted PB Ratio falls into.


MREO
19GF Score
Mereo BioPharma Group PLC MREO
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Mereo BioPharma Group Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Mereo BioPharma Group's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.3144/3.78
=0.08

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Mereo BioPharma Group's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Mereo BioPharma Group's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=0.257/139.9000*139.9000
=0.257

Current CPI (Dec25) = 139.9000.

Mereo BioPharma Group Annual Data

Book Value per Share CPI Adj_Book
201612 10.916 102.200 14.943
201712 5.939 105.000 7.913
201812 2.919 107.100 3.813
201912 2.694 108.500 3.474
202012 -0.302 109.400 -0.386
202112 1.017 114.700 1.240
202212 0.412 125.300 0.460
202312 0.361 130.500 0.387
202412 0.393 135.100 0.407
202512 0.257 139.900 0.257

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.08 mean?
Mereo BioPharma Group (MREO) has a Cyclically Adjusted PB Ratio of 0.08 as of Jul. 29, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Mereo BioPharma Group and its competitors. This is 38% below median its historical median of 0.13. Over the past decade, Mereo BioPharma Group's Cyclically Adjusted PB Ratio has ranged from 0.10 to 0.20. According to the industry distribution chart, Mereo BioPharma Group ranks #73 out of 698 companies in the Biotechnology industry, placing it in the top 10.5%.
Is Mereo BioPharma Group's Cyclically Adjusted PB Ratio too high?
Mereo BioPharma Group's current Cyclically Adjusted PB Ratio of 0.08 is 38% below median its 10-year median of 0.13. Over the past 10 years, this metric has ranged from a low of 0.10 to a high of 0.20. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.59. Mereo BioPharma Group's value of 0.08 is 95% below this industry median. Based on the distribution chart, Mereo BioPharma Group ranks #73 out of 698 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, Mereo BioPharma Group has a GF Score™ of 19/100, reflecting its overall financial health beyond just this single metric.
How does Mereo BioPharma Group's Cyclically Adjusted PB Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Mereo BioPharma Group ranks #73 out of 698 companies for Cyclically Adjusted PB Ratio. This places Mereo BioPharma Group in the top 11% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.59. Mereo BioPharma Group's value of 0.08 is 95% below this benchmark. Historically, Mereo BioPharma Group's own Cyclically Adjusted PB Ratio has ranged from 0.10 to 0.20 over the past decade. While the company's 10-year median is 0.13 vs. the industry median of 1.59, Mereo BioPharma Group has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.59, based on 698 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Mereo BioPharma Group's current Cyclically Adjusted PB Ratio of 0.08 is 95% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Mereo BioPharma Group and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Mereo BioPharma Group's current Cyclically Adjusted PB Ratio is 0.08, which is 38% below median its own 10-year median of 0.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mereo BioPharma Group stock overvalued right now?
Mereo BioPharma Group (MREO) has a current Cyclically Adjusted PB Ratio of 0.08. The current Cyclically Adjusted PB Ratio is 0.08, which is 38% below median its 10-year median of 0.13 and 95% below the Biotechnology industry median of 1.59. Mereo BioPharma Group's overall GF Score™ is 19/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Mereo BioPharma Group (MREO), the current Cyclically Adjusted PB Ratio is 0.08 as of Jul. 29, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Mereo BioPharma Group Business Description

Other Exchanges 0A9G:UKMAH0:Germany
Address One Cavendish Place, 4th Floor, London, GBR, W1G 0QF
Mereo BioPharma Group PLC is a United Kingdom (U.K.) based biopharmaceutical company focused on the development of therapeutics for rare diseases. The company has developed a portfolio of late-stage clinical product candidates, and its two rare disease product candidates are setrusumab for the treatment of osteogenesis imperfecta (OI) and alvelestat, mainly for the treatment of severe alpha-1 antitrypsin deficiency-associated lung disease (AATD-LD).
19GF Score

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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

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