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Marathon Bancorp, Inc. (MBBC)

$15.30 +$0.05 (+0.33%) |Fair · 59
Bottom line: BUY — our Council read (61/100) and AI Score (59/100) broadly agree. Strongest single signal: Ken Griffin bullish.
MCap: $45.15M| P/E Ratio: 34.8| Vol: 1.3K| 52-wk range: $9.90 – $15.75
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Marathon Bancorp, Inc. (MBBC) trades at $15.30 with AI Score 59/100 (Grade B). Marathon Bancorp, Inc. operates as the bank holding company for Marathon Bank, offering deposit and lending products. Market cap: $45.15M, Sector: Financial services.

Price live · AI analysis from May 10, 2026
Marathon Bancorp, Inc. operates as the bank holding company for Marathon Bank, offering deposit and lending products. They primarily serve the Marathon County area of Wisconsin, focusing on commercial and residential real estate, as well as consumer loans.

Analyst Coverage for MBBC: MBBC does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates MBBC against Financial Services peers across nine fundamental dimensions and assigns a mixed fundamental profile based on the underlying data.

Council Score · Weighted Average of 3 Disciplines
BUY 61/100 · B+

MBBC: 3/7 perspectives are bullish. Dominant signal: Ken Griffin bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bullish
Jim Simons
Bullish
Izzy Englander
Neutral
Seth Klarman
Neutral
Moon AI
Neutral
Council Score · 8 perspectives · See tabs for details →

Marathon Bancorp, Inc. (MBBC) Financial Services Profile

CEONicholas W. Zillges
Employees35
HeadquartersWausau, WI, US
IPO Year2021

Marathon Bancorp, Inc., operating as Marathon Bank, provides traditional banking services in Marathon County, Wisconsin. Founded in 2020, the company focuses on commercial and residential lending, deposit accounts, and serves local businesses and consumers with a community-oriented approach in a competitive regional banking landscape.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 10, 2026

What Is the Investment Thesis for MBBC?

Marathon Bancorp, Inc. presents a focused investment opportunity within the regional banking sector, specifically targeting the Marathon County area of Wisconsin. The company's strategy centers on traditional banking activities, offering deposit and lending products tailored to the local market. With a market capitalization of $45.15M and a P/E ratio of 34.8, the company's valuation reflects its current earnings and growth potential. A profit margin of 6.6% and a gross margin of 68.7% indicate operational efficiency. Key catalysts include expanding their loan portfolio and increasing deposit base within Marathon County. Potential risks involve competition from larger regional banks and managing credit risk within their lending portfolio. The company's beta of 0.35 suggests lower volatility compared to the broader market.

Based on FMP financials and quantitative analysis

MBBC Key Highlights

  • Market capitalization of $45.15M, reflecting its size within the regional banking sector.
  • P/E ratio of 34.8, indicating the price investors are willing to pay for each dollar of earnings.
  • Profit margin of 6.6%, showcasing the company's profitability after all expenses.
  • Gross margin of 68.7%, demonstrating the efficiency of its core banking operations.
  • Beta of 0.35, suggesting lower volatility compared to the broader market, making it a potentially stable investment.

Who Are MBBC's Competitors?

MBBC is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
MCHB Mechanics Bank $16.21 +0.31% 4B 71
STLE Steele Bancorp Inc. $43.05 -0.67% $80.01M 69
NASB NASB Financial, Inc. $40.30 +0.00% $289.22M 68
ASBA Associated Banc-Corp $24.53 +0.25% $4.05B 67
KEY KeyCorp $23.35 +1.43% $25.20B 63
FBVI FCN Banc Corp. $35.87 +0.17% $61.78M 63
BNPQY BNP Paribas S.A. $59.23 +1.10% $130.31B 63
KISB Kish Bancorp, Inc. $69.05 +3.15% $208.61M 63

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are MBBC's Key Strengths?

  • Strong local presence in Marathon County, Wisconsin.
  • Focus on relationship banking and personalized service.
  • Experienced management team with local market knowledge.
  • Diverse loan portfolio across various sectors.

What Are MBBC's Weaknesses?

  • Limited geographic reach compared to larger regional banks.
  • Smaller asset base and capital resources.
  • Reliance on the local economy of Marathon County.
  • Higher cost structure compared to larger banks.

What Could Drive MBBC Stock Higher?

  • Expansion of the loan portfolio through increased commercial lending activities.
  • Growth in deposit accounts driven by competitive interest rates and customer service initiatives.
  • Implementation of new digital banking technologies to enhance customer experience by Q4 2026.
  • Strategic partnerships with local businesses to expand market reach.

What Are the Key Risks for MBBC?

  • Financial-distress signal — its Altman Z-Score of -0.46 sits in the distress zone (elevated bankruptcy risk).
  • Rich valuation — a P/E of 34.8 runs well above the Financial Services sector’s ~18x, leaving little room for a miss.
  • Increased competition from larger regional and national banks in Marathon County.
  • Economic downturn in Marathon County impacting loan performance and deposit growth.
  • Changes in interest rates affecting profitability and net interest margin.
  • Regulatory compliance costs and requirements impacting operational efficiency.
  • Credit risk associated with loan portfolio, particularly in commercial real estate.

What Are the Growth Opportunities for MBBC?

  • Expansion of Commercial Lending: Marathon Bancorp can focus on expanding its commercial lending portfolio within Marathon County. The market for commercial loans is driven by local businesses seeking capital for expansion, equipment purchases, and working capital. By offering competitive rates and personalized service, Marathon Bancorp can increase its market share. This growth opportunity has an estimated market size of $500 million in Marathon County, with a timeline of 3-5 years to achieve significant penetration.
  • Increase in Residential Mortgage Originations: Marathon Bancorp can increase its residential mortgage originations by targeting first-time homebuyers and existing homeowners in Marathon County. The demand for mortgages is driven by population growth, low interest rates, and a strong housing market. By offering a variety of mortgage products and streamlining the application process, Marathon Bancorp can attract more customers. This growth opportunity has an estimated market size of $300 million in Marathon County, with a timeline of 2-4 years.
  • Growth in Deposit Accounts: Marathon Bancorp can focus on growing its deposit base by offering competitive interest rates and convenient banking services. The market for deposit accounts is driven by individuals and businesses seeking a safe place to store their money. By offering online and mobile banking services, Marathon Bancorp can attract a wider range of customers. This growth opportunity has an estimated market size of $400 million in Marathon County, with a timeline of 1-3 years.
  • Strategic Partnerships with Local Businesses: Marathon Bancorp can form strategic partnerships with local businesses to offer financial services to their employees and customers. By partnering with local businesses, Marathon Bancorp can increase its brand awareness and attract new customers. These partnerships can include offering preferred rates on loans and deposit accounts, as well as providing financial education workshops. This growth opportunity has an estimated market size of $100 million in Marathon County, with a timeline of 1-2 years.
  • Digital Transformation Initiatives: Marathon Bancorp can invest in digital transformation initiatives to improve the customer experience and streamline operations. By offering online and mobile banking services, Marathon Bancorp can attract a wider range of customers and reduce its operating costs. These initiatives can include implementing a new online banking platform, developing a mobile banking app, and automating back-office processes. This growth opportunity has an estimated market size of $50 million in Marathon County, with a timeline of 2-3 years.

What Opportunities Does MBBC Have?

  • Expansion of commercial lending activities within Marathon County.
  • Growth in deposit accounts through competitive rates and services.
  • Strategic partnerships with local businesses and organizations.
  • Investment in digital banking technologies to improve customer experience.

What Threats Does MBBC Face?

  • Competition from larger regional and national banks.
  • Economic downturn in Marathon County or Wisconsin.
  • Changes in interest rates and regulatory requirements.
  • Increased competition from fintech companies.

What Are MBBC's Competitive Advantages?

  • Strong local presence and community relationships in Marathon County.
  • Established reputation as a trusted financial institution in the region.
  • Knowledge of the local market and customer needs.
  • Personalized service and tailored financial solutions.

What Does MBBC Do?

Marathon Bancorp, Inc. was established in 2020 and functions as the bank holding company for Marathon Bank, a chartered savings bank based in Wausau, Wisconsin. The bank's primary focus is serving the financial needs of individuals and businesses within Marathon County. Marathon Bank offers a range of deposit products, including demand deposits, savings accounts, and certificates of deposit, catering to various customer preferences and financial goals. On the lending side, Marathon Bank provides commercial real estate loans, commercial and industrial loans, construction loans, one-to-four-family residential mortgages, multi-family real estate financing, and consumer loans. The bank's strategy centers on building strong relationships with its local customer base by providing personalized service and tailored financial solutions. As a community bank, Marathon Bancorp emphasizes understanding the unique needs of the Marathon County area, contributing to local economic development. The company operates as a subsidiary of Marathon MHC, which provides additional oversight and strategic direction. Marathon Bancorp's relatively recent founding reflects an effort to establish a locally focused banking institution in a market dominated by larger regional and national players.

What Products and Services Does MBBC Offer?

  • Operates as a bank holding company for Marathon Bank.
  • Offers demand deposit accounts to individuals and businesses.
  • Provides savings accounts for customers to store and grow their funds.
  • Offers certificates of deposit with varying terms and interest rates.
  • Provides commercial real estate loans for businesses.
  • Offers commercial and industrial loans to support local businesses.
  • Provides construction loans for new building projects.
  • Offers one-to-four family residential mortgage loans.

How Does MBBC Make Money?

  • Generates revenue through interest income from loans.
  • Earns fees from various banking services.
  • Attracts deposits from customers and invests those funds in loans and securities.
  • Manages interest rate risk to maintain profitability.

What Industry Does MBBC Operate In?

Marathon Bancorp, Inc. operates within the competitive regional banking industry. This sector is characterized by institutions that focus on serving local communities and small to medium-sized businesses. The industry is influenced by factors such as interest rate fluctuations, regulatory changes, and economic conditions within their specific geographic areas. Marathon Bancorp competes with larger regional and national banks, as well as credit unions, for deposit and loan customers. The regional banking sector is experiencing increased competition from fintech companies offering alternative financial services, requiring banks to adapt and innovate to maintain market share.

Who Are MBBC's Key Customers?

  • Individuals residing in Marathon County, Wisconsin.
  • Small to medium-sized businesses operating in Marathon County.
  • Commercial real estate developers in the region.
  • Local construction companies.
AI Confidence: 77% Updated: May 10, 2026

Company Profile

Marathon Bancorp, Inc. operates in the Banks - Regional industry within the Financial Services sector. It is headquartered in Wausau, US. The company is led by CEO Nicholas W. Zillges. MBBC has traded publicly since 2021.

How Marathon Bancorp, Inc. Is Valued

Marathon Bancorp, Inc. carries a market capitalization of $45.15M, placing it in the micro-cap category. Relative to its peer group, MBBC's quantitative score of 59/100 is roughly in line with the peer average of 68/100.

ROE 2%Key Financial Metrics

Return on equity for Marathon Bancorp, Inc. stands at 2.4%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is 0.4%, showing how much profit it generates from its asset base. MBBC trades at a trailing price-to-earnings ratio of 34.78, above the Financial Services sector average of ~18x. Its free cash flow yield is 3.2%, a gauge of the cash the business throws off relative to its market value. A current ratio of 0.03 means current liabilities exceed short-term assets, a liquidity point worth watching. Its earnings yield is 2.7%, the inverse of the P/E and a quick read on earnings relative to price.

F-Score 6/9Financial Health

Marathon Bancorp, Inc.'s Piotroski F-Score is 6/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of -0.46 places it in the distress zone, a signal of elevated financial risk.

MBBC Financials

Fundamental Snapshot

Revenue Growth (FY)
+1.4%
Net Income Growth (FY)
+122.7%
EPS Growth (FY)
+112.8%
Free Cash Flow Growth (FY)
+168.7%
P/E (TTM)
37.3
Return on Equity (TTM)
+2.4%
Current Ratio
0.0
EV/EBITDA (TTM)
41.4

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Strong local presence in Marathon County, Wisconsin.
  • Focus on relationship banking and personalized service.
  • Experienced management team with local market knowledge.
  • Diverse loan portfolio across various sectors.

Bear Case

  • Limited geographic reach compared to larger regional banks.
  • Smaller asset base and capital resources.
  • Reliance on the local economy of Marathon County.
  • Higher cost structure compared to larger banks.

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · July 2026

MBBC Latest News

MBBC Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for MBBC.

Price Targets

Wall Street price target analysis for MBBC.

MBBC MoonshotScore

59/100

What does this score mean?

The MoonshotScore rates MBBC's growth potential on a scale of 0-100 across multiple factors including innovation, market disruption, financial health, and momentum.

Leadership: Nicholas W. Zillges

CEO

Nicholas W. Zillges serves as the CEO of Marathon Bancorp, Inc. His background includes extensive experience in the financial services industry, with a focus on community banking and regional development. He has held various leadership positions in banking institutions, overseeing lending operations, risk management, and strategic planning. Zillges is actively involved in local community organizations and holds a degree in finance from a regional university. His expertise lies in fostering strong customer relationships and driving sustainable growth within the community banking sector.

Track Record: Under Nicholas W. Zillges' leadership, Marathon Bancorp, Inc. has focused on expanding its presence in Marathon County, Wisconsin. Key achievements include increasing the bank's loan portfolio and deposit base. He has also overseen the implementation of new technologies to improve customer service and streamline operations. Zillges has emphasized a community-focused approach, supporting local businesses and initiatives.

Common Questions About MBBC (Financial Services)

What does Marathon Bancorp, Inc. do?

Marathon Bancorp, Inc. operates as the bank holding company for Marathon Bank, a chartered savings bank located in Wausau, Wisconsin. The bank provides a range of financial services to individuals and businesses within Marathon County. These services include deposit accounts such as checking, savings, and certificates of deposit, as well as lending products like commercial real estate loans, commercial and industrial loans, residential mortgages, and consumer loans. The company focuses on serving the local community and building strong customer relationships.

What do analysts say about MBBC stock?

As of 2026-05-10, analyst coverage of Marathon Bancorp, Inc. (MBBC) is limited due to its size and regional focus. Key valuation metrics include a P/E ratio of 34.8, reflecting investor expectations for future earnings growth. The company's profit margin of 6.6% and gross margin of 68.7% indicate its profitability and operational efficiency. Growth considerations include expanding its loan portfolio and deposit base within Marathon County. Investors should conduct their own due diligence and consider their individual risk tolerance before making any investment decisions.

What are the main risks for MBBC?

Marathon Bancorp, Inc. faces several risks inherent to the regional banking sector. These include competition from larger regional and national banks, economic downturns in Marathon County impacting loan performance, changes in interest rates affecting profitability, and regulatory compliance costs. Credit risk associated with its loan portfolio, particularly in commercial real estate, is also a significant concern. Additionally, the company faces potential risks from increased competition from fintech companies offering alternative financial services.

What is Marathon Bancorp, Inc.'s credit quality and risk management approach?

Marathon Bancorp, Inc.'s credit quality and risk management approach are crucial for maintaining financial stability and protecting shareholder value. The bank's loan portfolio primarily consists of commercial real estate, commercial and industrial, and residential mortgage loans, all concentrated in the Marathon County area. Assessing Marathon Bancorp, Inc.'s loan portfolio quality involves analyzing its non-performing loan ratio, loan loss reserves, and provision levels. The bank's risk management frameworks include credit policies, underwriting standards, and monitoring procedures to mitigate potential losses. Diversification of the loan portfolio and adherence to sound lending practices are essential for managing credit risk effectively.

How is Marathon Bancorp, Inc. adapting to fintech disruption?

Marathon Bancorp, Inc. is adapting to fintech disruption by investing in digital banking technologies and enhancing its online and mobile banking services. The company is focused on improving the customer experience and streamlining operations through digital transformation initiatives. These initiatives include implementing a new online banking platform, developing a mobile banking app, and automating back-office processes. By offering convenient and user-friendly digital services, Marathon Bancorp aims to attract and retain customers in a competitive market. Furthermore, the bank is exploring partnerships with fintech companies to offer innovative financial solutions and expand its service offerings.

What are the key factors to evaluate for MBBC?

Marathon Bancorp, Inc. (MBBC) holds an AI score of 59/100 (moderate). P/E: 34.8x vs the S&P 500's ~20-25x. Not financial advice.

How frequently does MBBC data refresh on this page?

MBBC prices update in real time during U.S. market hours. Fundamentals refresh after quarterly filings; analyst ratings and AI insights update daily; news is aggregated continuously.

What has driven MBBC's recent stock price performance?

Marathon Bancorp, Inc. (MBBC) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Strong local presence in Marathon County, Wisconsin. See the News tab for the latest drivers. Past performance does not predict future results.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on publicly available sources and may be subject to change.
  • Financial data is as of the latest available reporting period.
Data Sources

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