Cornerstone Bank: Deposit Base
Data as of · Call Report Schedules RC-E and RC-O How we update
How the bank is funded. Core deposits are the stable, mostly-insured relationship money; brokered and uninsured balances are the fastest to leave. The 2023 regional bank failures were runs on uninsured deposits, which is why that share now gets read first.
Brokered deposits climbed 1299.8% in Q2 2026, from $3.5M to $48.5M. It was the largest change from Q1 2026 among the key lines here. Within North Dakota, Cornerstone Bank is 10th of 60 on total deposits, $1.65B as of Q2 2026. The median for banks in the $1B-10B asset tier is $1.67B on total deposits; Cornerstone Bank reported $1.65B for Q2 2026, nearly level with it.
Deposit totals
| Line item | Q2 2026 |
|---|---|
| Total deposits | $1.65B |
| Domestic office deposits | $1.65B |
| Foreign office deposits | — |
| Deposits to total assets | 88.96% |
| Deposits to total liabilities | 96.86% |
Deposit composition
| Line item | Q2 2026 |
|---|---|
| Demand deposits | $331.4M |
| Savings deposits | $690.9M |
| Transaction accounts to domestic deposits | 20.10% |
| Time deposits | $23K |
| Time deposits under $100k | $88.5M |
| Time deposits $100k to $250k | $90.8M |
| Time deposits over $250k | $206.7M |
| Noninterest-bearing share of deposits | 13.89% |
Stability of funding
| Line item | Q2 2026 |
|---|---|
| Core deposits | $1.39B |
| Core deposits to total deposits | 84.52% |
| Insured deposits | $937.9M |
| Uninsured deposits | $710.7M |
| Uninsured deposits to total deposits | 43.11% |
| Brokered deposits | $48.5M |
| Brokered deposits to total deposits | 2.94% |
Cost of deposits
| Line item | Q2 2026 |
|---|---|
| Cost of interest-bearing deposits | 2.04% |
| Interest expense on deposits | $7.0M |
| Loans and leases to core deposits | 94.61% |
Deposit Base trend
Last 12 quarters as filed. Every value plotted here also appears in the tables above.
Deposit Base by quarter
| Quarter | Total deposits | Core deposits | Uninsured deposits | Brokered deposits | Cost of interest-bearing deposits |
|---|---|---|---|---|---|
| Q3 2023 | $1.36B | 86.56% | 46.26% | 3.04% | 1.77% |
| Q4 2023 | $1.36B | 86.60% | 46.74% | 3.04% | 2.64% |
| Q1 2024 | $1.38B | 87.40% | 45.28% | 2.62% | 2.51% |
| Q2 2024 | $1.38B | 86.38% | 46.05% | 2.04% | 2.49% |
| Q3 2024 | $1.45B | 83.14% | 45.49% | 5.03% | 2.59% |
| Q4 2024 | $1.58B | 84.27% | 43.43% | 4.45% | 2.72% |
| Q1 2025 | $1.62B | 83.33% | 45.61% | 4.33% | 2.56% |
| Q2 2025 | $1.58B | 85.97% | 46.18% | 2.12% | 2.42% |
| Q3 2025 | $1.56B | 85.77% | 46.92% | 1.18% | 2.32% |
| Q4 2025 | $1.59B | 85.69% | 46.47% | 1.16% | 2.27% |
| Q1 2026 | $1.54B | 86.48% | 46.98% | 0.23% | 1.96% |
| Q2 2026 | $1.65B | 84.52% | 43.11% | 2.94% | 2.04% |
Cornerstone Bank deposit base, all the way back
Deposit Base back to 2001 · peer percentiles on every line item · Excel export
Unlock Cornerstone Bank, freeSource: Call Report Schedules RC-E and RC-O, 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 Cornerstone Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 13198) · FFIEC NIC profile (RSSD 879457)