Marathon Bank
Wausau, WI FDIC 29745 $100M-$500M
Quarter Ended
Q1'26
Data as of March 31, 2026
Quarterly Snapshot
Metric Q1'26 YoY Δ Q1'25
Profitability
Return on Assets (%) 0.88% +0.60 0.28%
Return on Equity (%) 5.84% +3.65 2.19%
Net Interest Margin (%) 3.54% +0.71 2.82%
Efficiency Ratio (%) 69.87% -20.23 90.10%
Pre-Provision Profit ($M) $1 +0.52 $0
Cost of Funds (%) 1.53% +0.05 1.48%
Balance Sheet
Total Assets ($M) $249 +11.97 $237
Gross Loans ($M) $213 +23.03 $190
Loan Growth YoY (%) 116.51% +16.26 100.25%
Total Deposits ($M) $181 -6.55 $188
Shareholders Equity ($M) $38 +8.39 $29
Tang. Book Value ($M) $37 +8.44 $29
Loan / Deposit Ratio (%) 116.51% +16.26 100.25%
Credit Quality
NPA / Total Assets (%) 0.49% -0.10 0.59%
Allowance / Loans (%) 0.86% -0.05% 0.91%
Net Charge-Off Ratio (%) 0.09% +0.09 0.00%
Capital
Tier 1 Capital Ratio (%) 0.00% 0.00 0.00%
** TBV excl. AOCI adds back unrealised losses on AFS securities to show capital excluding mark-to-market interest rate impact.
8-Quarter Trend
Metric Q2'24 Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Q1'26
▁▁▁▂▄▅▆█ Net Interest Margin (%) 2.71% 2.76% 2.77% 2.82% 3.02% 3.17% 3.28% 3.54%
▁▂▃▅▄▅▆█ Return on Assets (%) -0.48% -0.22% -0.13% 0.28% 0.08% 0.33% 0.50% 0.88%
█▆▅▃▃▂▂▁ Efficiency Ratio (%) 139.1% 120.8% 113.0% 90.1% 95.5% 86.7% 80.9% 69.9%
██▅▁▃▄▂▃ Cost of Funds (%) 1.67% 1.66% 1.59% 1.48% 1.53% 1.57% 1.51% 1.53%
███▆▁▂▂▂ NPA / Assets (%) 0.63% 0.65% 0.64% 0.59% 0.46% 0.49% 0.49% 0.49%
▁▁▁▁▃███ Net Charge-Off Ratio (%) 0.00% 0.00% 0.00% 0.00% 0.03% 0.09% 0.09% 0.09%
▁▁▁▁▇▇██ Tang. Book Value ($M) $28 $28 $28 $29 $35 $36 $36 $37
▂▁▁▃▆▇██ Gross Loans ($M) $185 $178 $178 $190 $202 $208 $213 $213
▂▁▁▇▅█▆▄ Total Deposits ($M) $177 $175 $175 $188 $183 $190 $186 $181
Portfolio Composition — Q1'26
Loan Mix%
Real Estate98%
C&I / Commercial1%
Deposit Mix%
Nonint.-Bearing Demand16%
Interest-Bearing (core)72%
Brokered / Other13%
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