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GNB 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.

Deposits to total liabilities dropped 4.87 percentage points in Q2 2026, from 96.72% to 91.85%. It was the largest change from Q1 2026 among the key lines here. Within Iowa, GNB Bank is 50th of 225 on total deposits, $498.0M as of Q2 2026, above the middle of the field. GNB Bank's total deposits of $498.0M is well above the $277.3M median for banks in the $100M-1B asset tier, a gap of 80% (Q2 2026).

Deposit totals

Deposit totals for GNB Bank, Q2 2026
Line item Q2 2026
Total deposits $498.0M
Domestic office deposits $498.0M
Foreign office deposits —
Deposits to total assets 80.14%
Deposits to total liabilities 91.85%

Deposit composition

Deposit composition for GNB Bank, Q2 2026
Line item Q2 2026
Demand deposits $81.5M
Savings deposits $75.1M
Transaction accounts to domestic deposits 38.85%
Time deposits $33K
Time deposits under $100k $42.2M
Time deposits $100k to $250k $67.0M
Time deposits over $250k $55.9M
Noninterest-bearing share of deposits 17.50%

Stability of funding

Stability of funding for GNB Bank, Q2 2026
Line item Q2 2026
Core deposits $404.9M
Core deposits to total deposits 81.32%
Insured deposits —
Uninsured deposits —
Uninsured deposits to total deposits —
Brokered deposits $37.1M
Brokered deposits to total deposits 7.46%

Cost of deposits

Cost of deposits for GNB Bank, Q2 2026
Line item Q2 2026
Cost of interest-bearing deposits 2.05%
Interest expense on deposits $2.2M
Loans and leases to core deposits 101.10%

Deposit Base trend

Last 12 quarters as filed. Every value plotted here also appears in the tables above.

Total deposits
Core, uninsured and brokered shares
Cost of interest-bearing deposits

Deposit Base by quarter

Values plotted above, GNB Bank, oldest first
Quarter Total depositsCore depositsBrokered depositsCost of interest-bearing deposits
Q3 2023 $534.3M 88.72% 7.36% 1.97%
Q4 2023 $527.6M 89.68% 10.71% 2.34%
Q1 2024 $520.7M 91.17% 10.66% 2.48%
Q2 2024 $500.0M 88.47% 10.16% 2.62%
Q3 2024 $507.2M 77.66% 12.45% 2.67%
Q4 2024 $497.6M 81.94% 9.42% 2.47%
Q1 2025 $507.2M 81.35% 9.81% 2.26%
Q2 2025 $498.2M 81.27% 8.97% 2.29%
Q3 2025 $515.6M 77.12% 9.84% 2.31%
Q4 2025 $494.5M 80.12% 8.04% 2.24%
Q1 2026 $514.5M 79.60% 7.41% 2.03%
Q2 2026 $498.0M 81.32% 7.46% 2.05%

GNB Bank deposit base, all the way back

Deposit Base back to 2001 · peer percentiles on every line item · Excel export

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Source: 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 GNB Bank profile, peer group comparison, or how this data updates.

Regulator records: FDIC BankFind (cert 14079) · FFIEC NIC profile (RSSD 724744)