Marathon Bank
Wausau, WI FDIC 29745 $100M-$500M
Quarter Ended
Q2'26
Data as of June 30, 2026
Quarterly Snapshot
Metric Q2'26 YoY Δ Q2'25
Profitability
Return on Assets (%) ▲ 0.78% +0.70 0.08%
Return on Equity (%) ▲ 5.24% +4.63 0.61%
Net Interest Margin (%) ▲ 3.55% +0.53 3.02%
Efficiency Ratio (%) ▲ 73.53% -21.94 95.47%
Pre-Provision Profit ($M) ▲ $1 +0.55 $-0
Cost of Funds (%) ▼ 1.54% +0.01 1.53%
Balance Sheet
Total Assets ($M) ▲ $261 +22.66 $238
Gross Loans ($M) ▲ $219 +16.93 $202
Loan Growth YoY (%) ▲ 109.92% +0.66 109.26%
Total Deposits ($M) ▲ $198 +14.38 $183
Shareholders Equity ($M) ▲ $39 +2.77 $36
Tang. Book Value ($M) ▲ $38 +2.79 $35
Loan / Deposit Ratio (%) ▲ 109.92% +0.66 109.26%
Credit Quality
NPA / Total Assets (%) ▲ 0.42% -0.04 0.46%
Allowance / Loans (%) — 0.80% -0.11% 0.90%
Net Charge-Off Ratio (%) ▲ 0.03% -0.00 0.03%
Capital
Tier 1 Capital Ratio (%) — 0.00% 0.00 0.00%
** TBV excl. AOCI adds back unrealised losses on AFS securities to show capital excluding mark-to-market interest rate impact.
8-Quarter Trend
Metric Q3'24 Q4'24 Q1'25 Q2'25 Q3'25 Q4'25 Q1'26 Q2'26
▁▁▁▃▅▆██ Net Interest Margin (%) 2.76% 2.77% 2.82% 3.02% 3.17% 3.28% 3.54% 3.55%
▁▁▄▃▄▆██ Return on Assets (%) -0.22% -0.13% 0.28% 0.08% 0.33% 0.50% 0.88% 0.78%
█▇▄▅▃▂▁▁ Efficiency Ratio (%) 120.8% 113.0% 90.1% 95.5% 86.7% 80.9% 69.9% 73.5%
█▅▁▃▄▂▃▃ Cost of Funds (%) 1.66% 1.59% 1.48% 1.53% 1.57% 1.51% 1.53% 1.54%
██▇▂▃▃▃▁ NPA / Assets (%) 0.65% 0.64% 0.59% 0.46% 0.49% 0.49% 0.49% 0.42%
▁▁▁▃███▃ Net Charge-Off Ratio (%) 0.00% 0.00% 0.00% 0.03% 0.09% 0.09% 0.09% 0.03%
▁▁▁▆▇▇██ Tang. Book Value ($M) $28 $28 $29 $35 $36 $36 $37 $38
▁▁▃▅▆▇▇█ Gross Loans ($M) $178 $178 $190 $202 $208 $213 $213 $219
▁▁▅▄▆▄▃█ Total Deposits ($M) $175 $175 $188 $183 $190 $186 $181 $198
Portfolio Composition — Q2'26
Loan Mix%
Real Estate99%
C&I / Commercial1%
Deposit Mix%
Nonint.-Bearing Demand15%
Interest-Bearing (core)73%
Brokered / Other12%
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