TellerScore

Oak Bank (FDIC certificate #35333) is based in Fitchburg, Wisconsin. Its Q2 2026 call report shows $486.3M in total assets and $419.6M in deposits and 1 office.

Oak Bank has a TellerScore of 77 out of 100 (strong) based on Q2 2026 data — higher than 68% of its 2,650 banks with $100 million – $1 billion. Among 154 banks headquartered in Wisconsin, it ranks 59th. Loan quality contributes the most (99/100, 0.04%); funding & liquidity contributes the least (40/100, 89% loans-to-deposits, 43% uninsured).

TellerScore · Q2 2026

Scorecard

Capital cushion73/100
Tier 1 leverage ratio: 12.28%
Loan quality99/100
Noncurrent loans ÷ total loans: 0.04%
Earnings71/100
Return on assets (annualized): 1.28%
Funding & liquidity40/100
Loans ÷ deposits and uninsured-deposit share: 89.3% · 42.7% uninsured
Problem-loan coverage99/100
"Texas ratio": (noncurrent loans + foreclosed property) ÷ (equity + loan-loss reserves): 0.26%

The TellerScore is our own summary of the figures this institution reports publicly; it is not issued or endorsed by any government agency. It is not a prediction, and deposits within insurance limits are protected either way.

9 quarters

Health trend

From Q2 2025 to Q2 2026, the score rose 6 points (71 → 77), mostly because the loan quality component improved by 12 points.

TellerScore
677277Q2 2024Q4 2024Q2 2025Q4 2025Q2 2026
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QuarterTellerScore
Q2 202472
Q3 202472
Q4 202467
Q1 202569
Q2 202571
Q3 202570
Q4 202571
Q1 202676
Q2 202677
Tier 1 leverage ratio
5.00%8.64%12.28%well-capitalized benchmarkQ2 2024Q4 2024Q2 2025Q4 2025Q2 2026
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QuarterTier 1 leverage ratio
Q2 202410.97%
Q3 202411.03%
Q4 202410.83%
Q1 202511.23%
Q2 202511.64%
Q3 202511.34%
Q4 202511.33%
Q1 202612.00%
Q2 202612.28%
Noncurrent loans
0.00%0.21%0.42%Q2 2024Q4 2024Q2 2025Q4 2025Q2 2026
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QuarterNoncurrent loans
Q2 20240.00%
Q3 20240.00%
Q4 20240.40%
Q1 20250.41%
Q2 20250.40%
Q3 20250.42%
Q4 20250.18%
Q1 20260.00%
Q2 20260.04%
Return on assets
0.98%1.13%1.28%Q2 2024Q4 2024Q2 2025Q4 2025Q2 2026
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QuarterReturn on assets
Q2 20241.01%
Q3 20241.04%
Q4 20240.98%
Q1 20251.07%
Q2 20251.14%
Q3 20251.17%
Q4 20251.11%
Q1 20261.26%
Q2 20261.28%
Quarter-by-quarter figures
QuarterScoreAssetsCapitalProblem loansROALoans/deposits
Q2 202677$486.3M12.28%0.04%1.28%89.3%
Q1 202676$462.1M12.00%0.00%1.26%89.7%
Q4 202571$471.6M11.33%0.18%1.11%89.3%
Q3 202570$482.0M11.34%0.42%1.17%87.8%
Q2 202571$472.9M11.64%0.40%1.14%91.9%
Q1 202569$464.1M11.23%0.41%1.07%91.9%
Q4 202467$471.6M10.83%0.40%0.98%93.3%
Q3 202472$484.5M11.03%0.00%1.04%91.5%
Q2 202472$475.0M10.97%0.00%1.01%93.9%

2,650 peers · $100 million – $1 billion

How it compares with peers

Percentile against banks of similar size nationwide (100th = best among peers; for ratios where lower is better, the scale is flipped).

Capital ratio12.28%
68th
Total risk-based capital16.58%
76th
Problem loans0.04%
80th
Net charge-offs-0.00%
77th
Return on assets1.28%
52nd
Net interest margin3.68%
36th
Efficiency ratio56.7%
67th
Loans to deposits89.3%
28th
Uninsured deposits42.7%
8th
Loan-loss reserves1.65%
86th
Texas ratio0.3%
82nd

Similar-size banks in Wisconsin

InstitutionScoreAssetsCapitalProblem loansCompare
Citizens State BankBank Hudson, WI66 out of 100, Moderate$488.2M10.0%0.43%vs
BLC Community BankBank Little Chute, WI73 out of 100, Strong$475.5M10.2%0.02%vs
State Bank FinancialBank La Crosse, WI73 out of 100, Strong$512.1M9.9%0.11%vs
State Bank of ChiltonBank Chilton, WI80 out of 100, Strong$516.5M12.7%0.58%vs
Woodford State BankBank Monroe, WI66 out of 100, Moderate$523.4M8.1%0.36%vs
Coulee BankBank La Crosse, WI39 out of 100, Low$524.4M9.1%2.50%vs

Deposit insurance

Is my money safe at Oak Bank?

Yes. Oak Bank is an FDIC-insured institution (FDIC certificate #35333). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.

An estimated 42.7% of deposits ($179.0M) are above the $250,000 FDIC insurance limit, above the peer median of 24%. Insured balances are protected regardless of the score.

The tier 1 leverage ratio is 12.28%, well above the 5% level regulators use as the "well capitalized" benchmark for this measure. Its total risk-based capital ratio is 16.58% (benchmark: 10%).

Check how much of your own balance is covered

1 location

Branches

Oak Bank lists 1 office in 1 city. Most locations:

All branch addresses and map

HMDA 2025

Mortgage lending

In 2025, Oak Bank reported 59 home-loan applications under HMDA (LEI 549300UXZ76FJVM3UC43): 51 originated ($22,125,000 total), 1 denied, and 5 withdrawn or closed by the applicant. Its denial rate on decided applications was 1.9%, compared with 22.2% for all lenders nationwide.

Denial rates depend heavily on loan type and applicant mix and are not a measure of fairness or of your own odds.

Identity & history

Profile

Legal name
Oak Bank
Type
State-chartered bank
FDIC certificate #
35333
RSSD ID
2857600
Primary regulator
FDIC
Holding company
Oak Financial Inc
Established
August 14, 2000
Headquarters
5951 Mckee Rd, Fitchburg, WI 53719
Employees
43

Quick answers

Oak Bank: common questions

Is Oak Bank FDIC insured?

Yes. Oak Bank is an FDIC-insured institution (FDIC certificate #35333). Deposits are insured up to $250,000 per depositor, per insured bank, for each account ownership category.

What is Oak Bank's TellerScore?

77 out of 100 (Strong), based on its Q2 2026 publicly reported figures. The TellerScore is our own summary and is not issued by any government agency.

Has Oak Bank ever failed?

There is no failure record for FDIC certificate #35333 in the FDIC failed bank list.

How many branches does Oak Bank have?

1 office as of the latest FDIC data.

Nearby

Highest-scoring banks and credit unions with branches near Fitchburg

InstitutionScoreAssetsCapitalProblem loansCompare
Mississippi Public Employees Federal Credit UnionCredit union Jackson, MS97 out of 100, Very strong$29.2M18.1%0.10%vs
Madison Fire Department Credit UnionCredit union Madison, WI90 out of 100, Very strong$5.5M19.9%0.00%vs
Bank of Prairie du SacBank Prairie Du Sac, WI88 out of 100, Very strong$744.5M13.7%0.00%vs
The Peoples Community BankBank Mazomanie, WI87 out of 100, Very strong$388.8M12.8%0.14%vs
Mound City BankBank Platteville, WI86 out of 100, Very strong$550.7M13.1%0.11%vs
John Deere Financial, f.s.b.Bank Middleton, WI82 out of 100, Strong$4.9B19.4%0.27%vs