MNTR (Mentor Capital) ROE % Adjusted to Book Value: -85.93% (As of Jun. 2026)

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 Mentor Capital ROE % Adjusted to Book Value?

Mentor Capital MNTR -23.68% ROE % Adjusted to Book Value is -85.93% as of Jun. 2026. The stock has 2 warning signs investors should review.

Mentor Capital's ROE % for the quarter that ended in Jun. 2026 was -39.53%. Mentor Capital's PB Ratio for the quarter that ended in Jun. 2026 was 0.46. Mentor Capital's ROE % Adjusted to Book Value for the quarter that ended in Jun. 2026 was -85.93%.

Mentor Capital ROE % Adjusted to Book Value Related Terms

Mentor Capital ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Mentor Capital'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.

Mentor Capital ROE % Adjusted to Book Value Chart

Mentor Capital Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only -22.04 -36.20 286.18 -43.30 -29.37

Mentor Capital Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
ROE % Adjusted to Book Value 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 -90.73 0.56 -34.51 -45.60 -85.93

MNTR vs LGHL, BTMCQ, NBND: ROE % Adjusted to Book Value Comparison

For the Capital Markets subindustry, Mentor Capital'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.

Mentor Capital ROE % Adjusted to Book Value vs Capital Markets Industry

For the Capital Markets industry and Financial Services sector, Mentor Capital's ROE % Adjusted to Book Value distribution charts can be found below:

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


Mentor Capital ROE % Adjusted to Book Value Calculation

Mentor Capital's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-22.03% / 0.75
=-29.37%

Mentor Capital's ROE % Adjusted to Book Value for the quarter that ended in Jun. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-39.53% / 0.46
=-85.93%

* 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 -85.93% mean?
Mentor Capital (MNTR) has a ROE % Adjusted to Book Value of -85.93% as of Jun. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Mentor Capital and its competitors.
Is Mentor Capital's ROE % Adjusted to Book Value too high?
Mentor Capital's current ROE % Adjusted to Book Value is -85.93%.
How does Mentor Capital's ROE % Adjusted to Book Value compare to LGHL and BTMCQ?
Mentor Capital's ROE % Adjusted to Book Value of -85.93% can be compared against companies in the Capital Markets 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 Capital Markets company?
A good ROE % Adjusted to Book Value depends on the Capital Markets 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 Mentor Capital and its competitors. Mentor Capital's current ROE % Adjusted to Book Value is -85.93%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mentor Capital stock overvalued right now?
Mentor Capital (MNTR) has a current ROE % Adjusted to Book Value of -85.93%. The current ROE % Adjusted to Book Value is -85.93%. 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 Mentor Capital (MNTR), the current ROE % Adjusted to Book Value is -85.93% as of Jun. 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.

Mentor Capital Business Description

Address 5964 Campus Court, Plano, TX, USA, 75093
Mentor Capital Inc general business operations are intended to provide management consultation and headquarters functions, especially with regard to funding, accounting, and audits, for its majority-owned subsidiaries, which makes up its holdings. The Company has determined that there are currently two reportable segments: the historic residual medical operations segment and the Company's energy segment. The historic residual medical operations segment includes the cost basis of its former membership interests of Electrum, the former contractual interest in the Electrum legal recovery, the settlement payments receivable from G Farma and its co-defendants. The classic energy segment consist of the Company's operations and investment in the classic energy space.