Marathon BancorpMBBC +1.57%57 PB Ratio is 0.96 as of Jun. 28, 2026, which is 23% above its 10-year median of 0.78. GuruFocus rates MBBC with a GF Score™ of 57/100 and a GF Value™ of $11.13 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,519 Banks companies, Marathon Bancorp ranks better than 61.69% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-28), Marathon Bancorp's share price is $15.49. Marathon Bancorp's Book Value per Share for the quarter that ended in Mar. 2026 was $16.11. Hence, Marathon Bancorp's PB Ratio of today is 0.96.
Warning Sign:
Marathon Bancorp Inc stock PB Ratio (=0.96) is close to 5-year high of 0.96.
The historical rank and industry rank for Marathon Bancorp's PB Ratio or its related term are showing as below:
MBBC'
s PB Ratio Range Over the Past 10 Years
Min: 0.47 Med: 0.78 Max: 1.09
Current: 0.96
During the past 6 years, Marathon Bancorp's highest PB Ratio was 1.09. The lowest was 0.47. And the median was 0.78.
MBBC's PB Ratio is ranked better than 61.69% of 1519
companies
in the Banks industry
Industry Median: 1.09
vs MBBC: 0.96
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.
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.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Marathon Bancorp PB Ratio Related Terms
Marathon Bancorp PB Ratio Historical Data
* Premium members only.
The historical data trend for Marathon Bancorp's 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.
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.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Marathon Bancorp (MBBC) has a PB Ratio of 0.96 as of Jun. 28, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Marathon Bancorp and its competitors. This is 23% above median its historical median of 0.78. Over the past decade, Marathon Bancorp's PB Ratio has ranged from 0.47 to 1.09. According to the industry distribution chart, Marathon Bancorp ranks #582 out of 1519 companies in the Banks industry, placing it in the top 38.3%.
Is Marathon Bancorp's PB Ratio too high?
Marathon Bancorp's current PB Ratio of 0.96 is 23% above median its 10-year median of 0.78. Over the past 10 years, this metric has ranged from a low of 0.47 to a high of 1.09. The Banks industry median PB Ratio is 1.09. Marathon Bancorp's value of 0.96 is 11.9% below this industry median. Based on the distribution chart, Marathon Bancorp ranks #582 out of 1519 companies in the Banks industry, which is above the industry midpoint. 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 PB Ratio compare to TMAK and FMFP?
According to the Banks industry distribution chart, Marathon Bancorp ranks #582 out of 1519 companies for PB Ratio. This puts Marathon Bancorp in the upper half of its industry. The industry median PB Ratio is 1.09. Marathon Bancorp's value of 0.96 is 11.9% below this benchmark. Historically, Marathon Bancorp's own PB Ratio has ranged from 0.47 to 1.09 over the past decade. While the company's 10-year median is 0.78 vs. the industry median of 1.09, Marathon Bancorp 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 PB Ratio for a Banks company?
The median PB Ratio among Banks companies is 1.09, based on 1,519 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Marathon Bancorp's current PB Ratio of 0.96 is 11.9% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Marathon Bancorp and its competitors. For the Banks industry, the median PB Ratio is 1.09 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Marathon Bancorp's current PB Ratio is 0.96, which is 23% above median its own 10-year median of 0.78. 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 $11.13, compared to a current price of $15.49 — trading 39.2% above its estimated fair value. The current PB Ratio is 0.96, which is 23% above median its 10-year median of 0.78 and 11.9% below the Banks industry median of 1.09. 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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Marathon Bancorp (MBBC), the current PB Ratio is 0.96 as of Jun. 28, 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 $15.49 is trading 39.2% above its estimated GF Value™ of $11.13.
GuruFocus considers Marathon Bancorp to be Significantly Overvalued.
Key valuation signals for MBBC:
PB Ratio: 0.96 (23% above median its 10-year median of 0.78)
GF Value™: $11.13 vs. price of $15.49 (39.2% above fair value)
Industry Position: 11.9% below the Banks median (#582 of 1519)
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 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
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