MBBC (Marathon Bancorp) 3-Year Share Buyback Ratio: -21.10% (As of Mar. 2026)

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Director of Data and Quant Analytics at GuruFocus
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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.

MBBC Marathon Bancorp Inc MBBC
55 GF Score
Price $14.93
GF Value $10.97
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Marathon Bancorp 3-Year Share Buyback Ratio?

Marathon Bancorp MBBC +1.49% 55 3-Year Share Buyback Ratio is -21.10 as of Mar. 2026. GuruFocus rates MBBC with a GF Score™ of 55/100 and a GF Value™ of $10.97 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,041 Banks companies, Marathon Bancorp ranks worse than 95.29% on this metric.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Marathon Bancorp's current 3-Year Share Buyback Ratio was -21.10%.

The historical rank and industry rank for Marathon Bancorp's 3-Year Share Buyback Ratio or its related term are showing as below:

MBBC' s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -21.1   Med: 1.1   Max: 1.4
Current: -21.1

During the past 6 years, Marathon Bancorp's highest 3-Year Share Buyback Ratio was 1.40%. The lowest was -21.10%. And the median was 1.10%.

MBBC's 3-Year Share Buyback Ratio is ranked worse than
95.29% of 1041 companies
in the Banks industry
Industry Median: -0.2 vs MBBC: -21.10

Marathon Bancorp (NAS:MBBC) 3-Year Share Buyback Ratio Explanation

A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.


Be Aware

Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.


Marathon Bancorp 3-Year Share Buyback Ratio Related Terms


MBBC vs HCBC, HFBA, TMAK: 3-Year Share Buyback Ratio Comparison

For the Banks - Regional subindustry, Marathon Bancorp's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback 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 3-Year Share Buyback Ratio vs Banks Industry

For the Banks industry and Financial Services sector, Marathon Bancorp's 3-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where Marathon Bancorp's 3-Year Share Buyback Ratio falls into.


MBBC
55GF Score
Marathon Bancorp Inc MBBC
3-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Marathon Bancorp 3-Year Share Buyback Ratio Calculation

This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).

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 average dividends per share growth rate.

What does a 3-Year Share Buyback Ratio of -21.10 mean?
Marathon Bancorp (MBBC) has a 3-Year Share Buyback Ratio of -21.10 as of Mar. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Marathon Bancorp and its competitors. According to the industry distribution chart, Marathon Bancorp ranks #992 out of 1041 companies in the Banks industry, placing it in the top 95.3%.
Is Marathon Bancorp's 3-Year Share Buyback Ratio too high?
Marathon Bancorp's current 3-Year Share Buyback Ratio is -21.10. Based on the distribution chart, Marathon Bancorp ranks #992 out of 1041 companies in the Banks industry, which is in the bottom quartile relative to peers. Overall, Marathon Bancorp has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Marathon Bancorp's 3-Year Share Buyback Ratio compare to HCBC and HFBA?
According to the Banks industry distribution chart, Marathon Bancorp ranks #992 out of 1041 companies for 3-Year Share Buyback Ratio. This places Marathon Bancorp in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Banks company?
A good 3-Year Share Buyback Ratio depends on the Banks industry context. However, 3-Year Share Buyback Ratio 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 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Marathon Bancorp and its competitors. Marathon Bancorp's current 3-Year Share Buyback Ratio is -21.10. 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 $10.97, compared to a current price of $14.93 — trading 36.1% above its estimated fair value. The current 3-Year Share Buyback Ratio is -21.10. Marathon Bancorp's overall GF Score™ is 55/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Marathon Bancorp (MBBC), the current 3-Year Share Buyback Ratio is -21.10 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 $14.93 is trading 36.1% above its estimated GF Value™ of $10.97. GuruFocus considers Marathon Bancorp to be Significantly Overvalued.

Key valuation signals for MBBC:

  • 3-Year Share Buyback Ratio: -21.10
  • GF Value™: $10.97 vs. price of $14.93 (36.1% above fair value)
  • GF Score™: 55/100 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.
55GF Score

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3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$14.93
Price
$10.97
GF Value