MBBC (Marathon Bancorp) Book Value per Share: $16.11 (As of Mar. 2026)


MBBC Marathon Bancorp Inc MBBC
57 GF Score
Price $15.25
GF Value $11.09
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is Marathon Bancorp Book Value per Share?

Marathon Bancorp MBBC -0.39% 57 Book Value per Share is $16.11 as of Mar. 2026. GuruFocus rates MBBC with a GF Score™ of 57/100 and a GF Value™ of $11.09 (Significantly Overvalued). The stock has 5 warning signs investors should review.

Marathon Bancorp's book value per share for the quarter that ended in Mar. 2026 was $16.11.

During the past 12 months, Marathon Bancorp's average Book Value Per Share Growth Rate was -21.50% per year. During the past 3 years, the average Book Value Per Share Growth Rate was -6.30% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 3.80% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.

During the past 6 years, the highest 3-Year average Book Value Per Share Growth Rate of Marathon Bancorp was 15.90% per year. The lowest was -6.30% per year. And the median was 3.00% per year.

Marathon Bancorp's current price is $15.25. Its book value per share for the quarter that ended in Mar. 2026 was $16.11. Hence, today's PB Ratio of Marathon Bancorp is 0.95.

During the past 6 years, the highest P/B Ratio of Marathon Bancorp was 1.09. The lowest was 0.47. And the median was 0.78.

Warning Sign:

Marathon Bancorp Inc stock PB Ratio (=0.95) is close to 5-year high of 0.96.


Marathon Bancorp  (NAS:MBBC) Book Value per Share Explanation

Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.

For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.


Marathon Bancorp Book Value per Share Related Terms


Marathon Bancorp Book Value per Share Historical Data

* Premium members only.

The historical data trend for Marathon Bancorp's Book Value per Share 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.

Marathon Bancorp Book Value per Share Chart

Marathon Bancorp Annual Data
Trend Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Book Value per Share
Get a 7-Day Free Trial 18.38 18.89 19.90 20.07 15.55

Marathon Bancorp Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Book Value per Share 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 20.54 15.55 15.75 15.95 16.11

MBBC vs UNBK, WDFN, LUMB: Book Value per Share Comparison

For the Banks - Regional subindustry, Marathon Bancorp's PB Ratio, along with its competitors' market caps and 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.


Marathon Bancorp PB Ratio vs Banks Industry

For the Banks industry and Financial Services sector, Marathon Bancorp's PB Ratio distribution charts can be found below:

* The bar in red indicates where Marathon Bancorp's PB Ratio falls into.


MBBC
57GF Score
Marathon Bancorp Inc MBBC
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Marathon Bancorp Book Value per Share Calculation

Marathon Bancorp's Book Value Per Share for the fiscal year that ended in Jun. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(45.71-0.00)/2.94
=15.55

Marathon Bancorp's Book Value Per Share for the quarter that ended in Mar. 2026 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(47.54-0.00)/2.95
=16.11

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of $16.11 mean?
Marathon Bancorp (MBBC) has a Book Value per Share of $16.11 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Marathon Bancorp and its competitors.
Is Marathon Bancorp's Book Value per Share too high?
Marathon Bancorp's current Book Value per Share is $16.11. Overall, Marathon Bancorp has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Marathon Bancorp's Book Value per Share compare to UNBK and WDFN?
Marathon Bancorp's Book Value per Share of $16.11 can be compared against companies in the Banks industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for a Banks company?
A good Book Value per Share depends on the Banks industry context. However, Book Value per Share 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 Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Marathon Bancorp and its competitors. Marathon Bancorp's current Book Value per Share is $16.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Marathon Bancorp stock overvalued right now?
Based on GuruFocus' analysis, Marathon Bancorp (MBBC) is currently considered Significantly Overvalued. The stock's GF Value™ is $11.09, compared to a current price of $15.25 — trading 37.5% above its estimated fair value. The current Book Value per Share is $16.11. Marathon Bancorp's overall GF Score™ is 57/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Marathon Bancorp (MBBC), the current Book Value per Share is $16.11 as of Mar. 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.

Is Marathon Bancorp (MBBC) Overvalued in 2026?

Based on GuruFocus' analysis, Marathon Bancorp stock appears to be overvalued. The current stock price of $15.25 is trading 37.5% above its estimated GF Value™ of $11.09. GuruFocus considers Marathon Bancorp to be Significantly Overvalued.

Key valuation signals for MBBC:

  • Book Value per Share: $16.11
  • GF Value™: $11.09 vs. price of $15.25 (37.5% above fair value)
  • GF Score™: 57/100 with 5 warning signs

No single metric tells the full story. See the MBBC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Marathon Bancorp Business Description

Address 500 Scott Street, Wausau, WI, USA, 54403
Marathon Bancorp Inc is a mid-tier holding company for Marathon Bank, a Wisconsin-chartered savings bank. The group operates as a community-oriented bank offering a variety of financial products and services to meet the needs of customers. The primary deposit products are demand deposits, savings, and certificates of deposits; and prime lending products are commercial real estate, commercial and industrial, construction, one-to-four-family residential, multifamily real estate, and consumer loans. The majority of the group's revenue comes from interest income on loans and debt securities.
57GF Score

Get the complete analysis for MBBC

Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$15.25
Price
$11.09
GF Value