Bank 1st: Yields and Funding Costs
Data as of · Call Report Schedules RI and RC-K How we update
What the bank earns on its assets, what it pays for its funding, and the spread between them. Net interest margin is the output of the two: it is the engine of earnings for almost every commercial bank.
Compared with Q1 2026, Cost of borrowings rose 0.41 percentage points in Q2 2026 to 4.08%, the biggest move on this page. Bank 1st ranks 142nd of 225 Iowa banks on net interest margin, in the lower half at 3.46% (Q2 2026). The median for banks in the $100M-1B asset tier is 3.94% on net interest margin. Bank 1st sits 0.48 points lower, at 3.46% (Q2 2026).
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 4.66% |
| Yield on loans | 6.18% |
| Yield on securities | 2.45% |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 1.37% |
| Cost of interest-bearing deposits | 1.18% |
| Cost of interest-bearing liabilities | 1.58% |
| Cost of borrowings | 4.08% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 3.46% |
| Yield to cost spread | 3.08% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $1.5M |
| Total interest expense | $498K |
| Interest expense on deposits | $314K |
Yields and Funding Costs trend
Last 12 quarters as filed. Every value plotted here also appears in the tables above.
Yields and Funding Costs by quarter
| Quarter | Yield on earning assets | Cost of funds | Net interest margin | Loans | Securities |
|---|---|---|---|---|---|
| Q3 2023 | 4.02% | 1.55% | 2.64% | 5.43% | 2.40% |
| Q4 2023 | 4.12% | 1.71% | 2.59% | 5.56% | 2.41% |
| Q1 2024 | 4.27% | 1.78% | 2.69% | 5.76% | 2.43% |
| Q2 2024 | 4.29% | 1.69% | 2.79% | 5.80% | 2.40% |
| Q3 2024 | 4.36% | 1.75% | 2.81% | 5.91% | 2.41% |
| Q4 2024 | 4.30% | 1.33% | 3.13% | 5.82% | 2.42% |
| Q1 2025 | 4.34% | 1.38% | 3.11% | 5.81% | 2.45% |
| Q2 2025 | 4.45% | 1.29% | 3.30% | 5.99% | 2.42% |
| Q3 2025 | 4.51% | 1.32% | 3.36% | 6.11% | 2.43% |
| Q4 2025 | 4.57% | 1.34% | 3.37% | 6.13% | 2.50% |
| Q1 2026 | 4.57% | 1.30% | 3.42% | 6.07% | 2.47% |
| Q2 2026 | 4.66% | 1.37% | 3.46% | 6.18% | 2.45% |
Bank 1st yields and funding costs, all the way back
Yields and Funding Costs back to 2001 · peer percentiles on every line item · Excel export
Unlock Bank 1st, freeSource: Call Report Schedules RI and RC-K, as filed with the FFIEC and standardized by BankRegReports. Dollar amounts are as reported, point-in-time; income statement items are year-to-date through the report date. See the full Bank 1st profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 13816) · FFIEC NIC profile (RSSD 142049)