
Marathon Bank
Headquarters: Wausau, Wisconsin
Overview
Marathon Bank is an FDIC-insured bank headquartered in Wausau, Wisconsin. It reported $248.55M in assets and $181.37M in deposits for the period ending March 31, 2026. Bankular currently lists 5 branch locations.
What Bankular checked
These dates identify the official records and review steps supporting this profile.
Quarterly change
What changed since the previous report
December 31, 2025 to March 31, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Branch footprint
Where Marathon Bank has branches
Explore the cities with the most currently listed locations. Branch hours can change, so confirm current lobby, drive-through and appointment hours with the institution before visiting.
Locations
Find a branch of Marathon Bank
Brookfield Branch
19105 W Capitol Drive, Brookfield, Wisconsin, 53045
Full-service branch · Opened January 22, 2024
Main Office
500 Scott St, Wausau, Wisconsin, 54403
Full-service branch · Opened January 1, 1902
Mequon Branch
11315 N Cedarburg Rd, Mequon, Wisconsin, 53092
Full-service branch · Opened March 5, 2018
Mosinee Branch
307 3rd St, Mosinee, Wisconsin, 54455
Full-service branch · Opened January 1, 1902
Rothschild Branch
1133 E Grand Ave, Rothschild, Wisconsin, 54474
Full-service branch · Opened January 1, 1902
Financial overview
Latest reported figures
Through March 31, 2026
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| March 31, 2026 | $248.55M | $181.37M | $211.31M | 0.88% |
| December 31, 2025 | $247.63M | $185.73M | $211.58M | 0.50% |
| September 30, 2025 | $245.52M | $190.11M | $205.85M | 0.33% |
| June 30, 2025 | $238.40M | $183.40M | $200.40M | 0.08% |
| March 31, 2025 | $236.58M | $187.93M | $188.39M | 0.28% |
| December 31, 2024 | $217.72M | $174.95M | $176.62M | -0.13% |
| September 30, 2024 | $216.17M | $174.51M | $175.75M | -0.22% |
| June 30, 2024 | $220.76M | $176.92M | $183.04M | -0.48% |
Size and reach
How this institution compares
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More on Marathon Bank
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Branch locations
5 listed locations.
Explore →Compare this institution
Compare size, financial metrics, rates and access.
Explore →State banking market
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Explore →Wausau banking market
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Explore →Rankings and research
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is Marathon Bank federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 29745.
Where is Marathon Bank headquartered?
Marathon Bank is headquartered in Wausau, Wisconsin, at 500 Scott St, Wausau, Wisconsin, 54403.
How large is Marathon Bank?
It reported $248.55M in assets and $181.37M in deposits for the period ending March 31, 2026.
How many locations does Marathon Bank have?
Bankular currently lists 5 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.