Waterman Bank: 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.
The largest change between Q1 2026 and Q2 2026 was in Yield on securities, which fell 0.51 percentage points to 3.82%. Within Illinois, Waterman Bank is 33rd of 323 on net interest margin, 4.58% as of Q2 2026, above the middle of the field. Waterman Bank reported 4.58% on net interest margin for Q2 2026, 0.63 points above the 3.95% median for banks in the $100M-1B asset tier.
Asset yields
| Line item | Q2 2026 |
|---|---|
| Yield on earning assets | 7.25% |
| Yield on loans | — |
| Yield on securities | — |
Funding costs
| Line item | Q2 2026 |
|---|---|
| Cost of funds | 2.89% |
| Cost of interest-bearing deposits | 3.10% |
| Cost of interest-bearing liabilities | 3.06% |
| Cost of borrowings | 0.00% |
Spread and margin
| Line item | Q2 2026 |
|---|---|
| Net interest margin | 4.58% |
| Yield to cost spread | 4.19% |
Interest income and expense
| Line item | Q2 2026 |
|---|---|
| Interest income on loans | $2.4M |
| Total interest expense | $1.1M |
| Interest expense on deposits | $1.1M |
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 |
|---|---|---|---|
| Q3 2023 | 6.88% | 2.07% | 4.87% |
| Q4 2023 | 9.97% | 2.70% | 7.52% |
| Q1 2024 | 7.55% | 2.87% | 5.10% |
| Q2 2024 | 8.02% | 2.11% | 5.43% |
| Q3 2024 | 7.83% | 2.05% | 5.23% |
| Q4 2024 | 7.82% | 2.92% | 5.14% |
| Q1 2025 | 7.61% | 2.99% | 4.86% |
| Q2 2025 | 7.50% | 3.10% | 4.55% |
| Q3 2025 | 7.91% | 3.22% | 4.99% |
| Q4 2025 | 8.08% | 2.98% | 5.24% |
| Q1 2026 | 7.48% | 2.84% | 4.77% |
| Q2 2026 | 7.25% | 2.89% | 4.58% |
Waterman Bank yields and funding costs, all the way back
Yields and Funding Costs back to 2001 · peer percentiles on every line item · Excel export
Unlock Waterman Bank, 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 Waterman Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 10878) · FFIEC NIC profile (RSSD 604640)