PackageTrendsPeer
Letter portraitLegal landscapeQuarterYTD

Cornerstone State Bank

Montgomery, MN · Cert 21525 · Cornerstone Bcorp Inc.

State charter, non-member · FDIC · 7 branches

Q2 2026

$247.0MAssets
$152.4MLoans
$223.9MDeposits
$19.9MEquity
Loan mix
88%RE $134.2M5%C&I $7.1M7%Consumer $11.4MQ3 2024Q2 2026
Deposit mix
86%Interest-bearing $193.2M14%Noninterest $30.7MQ3 2024Q2 2026

Return on Assets (YTD, annualized)

1.17%+79 bps YoY

Net Interest Margin (YTD, annualized)

3.40%+70 bps YoY

Efficiency Ratio (YTD, annualized)

61.04%-1,426 bps YoY

Tier 1 Leverage Ratio

10.60%+53 bps YoY

NIM

3.98%Q2 ’244.37%Q2 ’254.85%Q2 ’26+22%+26%

Non-interest income vs. expense

2.40%Q2 ’242.44%Q2 ’252.38%Q2 ’26+2%-1%

Year to date, annualized, through each quarter.

MetricQ3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026YoY ΔTrend
Return on Assets0.28%0.43%0.48%0.38%0.57%0.65%1.04%1.17%+79 bps
Net Interest Margin2.21%2.26%2.58%2.70%2.73%2.76%3.16%3.40%+70 bps
Non-Interest Burden1.77%1.65%1.90%1.92%1.82%1.81%1.78%1.89%-3 bps
Loan Growth (YoY)10.68%11.99%8.65%3.87%2.10%2.84%3.63%3.76%-12 bps
Nonperforming Loans / Loans0.12%0.88%0.96%0.44%0.44%0.48%0.48%0.80%+36 bps
Allowance / Loans1.02%1.02%1.06%0.93%0.94%0.91%0.93%1.40%+47 bps
Tier 1 Leverage Ratio9.99%10.09%9.97%10.07%10.28%10.32%10.34%10.60%+53 bps
Equity / Assets6.89%6.06%6.44%6.92%7.59%7.87%7.63%8.08%+116 bps
Liquid Assets / Assets0.38%1.06%0.35%0.96%2.39%1.58%1.46%1.65%+69 bps