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John Marshall Bank: Net Interest Margin

3.03% Ranks #3,234 of 3,651 U.S. banks · 11th percentile

Data as of · sourced from FFIEC call reports. How we update

John Marshall Bank reported a net interest margin of 3.03% as of Q2 2026, ranking #3,234 of 3,651 U.S. banks (11th percentile). Net Interest Margin (NIM) measures the spread between interest earned on assets and interest paid on liabilities, the core unit economics of a commercial bank.

12-Quarter Trend

Q3 2023 Latest
Q2 2026 3.03%
Q1 2026 2.88%
Q4 2025 2.80%
Q3 2025 2.79%
Q2 2025 2.73%
Q1 2025 2.59%
Q4 2024 2.59%
Q3 2024 2.36%
Q2 2024 2.23%
Q1 2024 2.14%
Q4 2023 2.18%
Q3 2023 2.12%

National Context

Latest value 3.03%
National rank#3,234 of 3,651
Percentile 11th
12-quarter low2.12%
12-quarter high3.03%
Full rankingView leaderboard

What is the Net Interest Margin?

Net Interest Margin measures net interest income (interest earned minus interest paid) against average earning assets. It is the core spread the bank earns from its primary business, lending deposits at higher rates than they cost.

Most US community banks report NIM between 2.8% and 4.0%. Higher is generally better but reflects either premium lending (higher-yielding loans) or low-cost funding (large core deposit franchise). Falling NIM in a rising-rate environment signals the bank's deposit costs are catching up to its asset yields.

Full definition & formula →

Frequently asked questions

What is John Marshall Bank's Net Interest Margin?

John Marshall Bank's Net Interest Margin was 3.03% as of Q2 2026, ranking #3234 of 3,651 U.S. banks.

What is the Net Interest Margin?

Net Interest Margin measures net interest income (interest earned minus interest paid) against average earning assets. It is the core spread the bank earns from its primary business, lending deposits at higher rates than they cost.

Source: FFIEC call reports, standardized by BankRegReports. Values are point-in-time as filed. See the full John Marshall Bank profile or how this data updates. The figures come from the bank's call report.

Regulator records: FDIC BankFind (cert 58243) · FFIEC NIC profile (RSSD 3419416)