Rua Bioscience (NZSE:RUA) ROE % Adjusted to Book Value: -40.48% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

What is Rua Bioscience ROE % Adjusted to Book Value?

Rua Bioscience NZSE:RUA -5.71% ROE % Adjusted to Book Value is -40.48% as of Dec. 2025. The stock has 4 warning signs investors should review.

Rua Bioscience's ROE % for the quarter that ended in Dec. 2025 was -66.80%. Rua Bioscience's PB Ratio for the quarter that ended in Dec. 2025 was 1.65. Rua Bioscience's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 was -40.48%.

Rua Bioscience ROE % Adjusted to Book Value Related Terms

Rua Bioscience ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Rua Bioscience's ROE % Adjusted to Book Value 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.

Rua Bioscience ROE % Adjusted to Book Value Chart

Rua Bioscience Annual Data
Trend Jun21 Jun22 Jun23 Jun24 Jun25
ROE % Adjusted to Book Value
-8.24 -15.34 -22.22 -88.74 -43.60

Rua Bioscience Semi-Annual Data
Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only -72.61 -61.39 -54.75 -43.60 -40.48

NZSE:RUA vs ZTS, UTHR, VTRS: ROE % Adjusted to Book Value Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Rua Bioscience's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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.

Rua Bioscience ROE % Adjusted to Book Value vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Rua Bioscience's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Rua Bioscience's ROE % Adjusted to Book Value falls into.


Rua Bioscience ROE % Adjusted to Book Value Calculation

Rua Bioscience's ROE % Adjusted to Book Value for the fiscal year that ended in Jun. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-59.29% / 1.36
=-43.60%

Rua Bioscience's ROE % Adjusted to Book Value for the quarter that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-66.80% / 1.65
=-40.48%

* 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.

What does a ROE % Adjusted to Book Value of -40.48% mean?
Rua Bioscience (NZSE:RUA) has a ROE % Adjusted to Book Value of -40.48% as of Dec. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Rua Bioscience and its competitors.
Is Rua Bioscience's ROE % Adjusted to Book Value too high?
Rua Bioscience's current ROE % Adjusted to Book Value is -40.48%.
How does Rua Bioscience's ROE % Adjusted to Book Value compare to ZTS and UTHR?
Rua Bioscience's ROE % Adjusted to Book Value of -40.48% can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Drug Manufacturers company?
A good ROE % Adjusted to Book Value depends on the Drug Manufacturers industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Rua Bioscience and its competitors. Rua Bioscience's current ROE % Adjusted to Book Value is -40.48%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rua Bioscience stock overvalued right now?
Rua Bioscience (NZSE:RUA) has a current ROE % Adjusted to Book Value of -40.48%. The current ROE % Adjusted to Book Value is -40.48%. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Rua Bioscience (NZSE:RUA), the current ROE % Adjusted to Book Value is -40.48% as of Dec. 2025. 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.

Rua Bioscience Business Description

Address 704 Te Araroa Road, RD3, Ruatoria, NZL, 4083
Rua Bioscience Ltd is a pharmaceutical company engaged in the production of cannabinoid medicines. The company caters to both domestic and international customers. It operates in one segment, being research and development and the sale of pharmaceutical products in Australia, Germany, and New Zealand.