Mercantile Bank: Deposit Base
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Data as of · Call Report Schedules RC-E and RC-O How we update
On its Q3 2026 filing, Mercantile Bank reported 22 of the 23 line items on this page. It did not report foreign office deposits. Total deposits was $5.21B in Q3 2026, up 7.7% from $4.84B in Q3 2025. That is 79.7% of its total assets. Across the 12 quarters shown it ranged from $3.92B (Q4 2023) to $5.21B (Q3 2026).
What the deposit base page covers and where each line comes from.
Open the full liquidity and funding analysis: liquid assets and unrealized securities losses, loans against deposits, the uninsured, brokered and borrowed share of funding, the cost of funds and capital headroom, by quarter with asset-tier medians.
Loans and leases to core deposits dropped 6.38 percentage points in Q3 2026, from 104.45% to 98.07%. It was the largest change from Q2 2026 among the key lines here. On total deposits, Mercantile Bank ranks 2nd highest among the 72 banks headquartered in Michigan, at $5.21B (Q3 2026). Against a median of $1.68B for banks in the $1B-10B asset tier, Mercantile Bank reported $5.21B on total deposits in Q3 2026, 209% higher.
Deposit totals
| Line item | Q3 2026 |
|---|---|
| Total deposits | $5.21B |
| Domestic office deposits | $5.21B |
| Foreign office deposits | — |
| Deposits to total assets | 79.74% |
| Deposits to total liabilities | 89.50% |
Source: Call Report Schedules RC-E and RC-O; Total deposits: Call Report Schedule RC, item 13.a (RCON2200). Open the filed call report for Q3 2026 on the FFIEC CDR.
Deposit composition
| Line item | Q3 2026 |
|---|---|
| Demand deposits | $1.85B |
| Savings deposits | $233.2M |
| Transaction accounts to domestic deposits | 43.50% |
| Time deposits to total deposits | 15.19% |
| Time deposits under $100k | $247.1M |
| Time deposits $100k to $250k | $216.2M |
| Time deposits over $250k | $327.7M |
| Noninterest-bearing share of deposits | 25.28% |
Source: Call Report Schedules RC-E and RC-O. Open the filed call report for Q3 2026 on the FFIEC CDR.
Stability of funding
| Line item | Q3 2026 |
|---|---|
| Core deposits | $4.86B |
| Core deposits to total deposits | 93.32% |
| Insured deposits | $2.08B |
| Uninsured deposits | $3.13B |
| Uninsured deposits to total deposits | 60.11% |
| Brokered deposits | $20.1M |
| Brokered deposits to total deposits | 0.39% |
Source: Call Report Schedules RC-E and RC-O. Open the filed call report for Q3 2026 on the FFIEC CDR.
Cost of deposits
| Line item | Q3 2026 |
|---|---|
| Cost of interest-bearing deposits | 2.47% |
| Interest expense on deposits | $23.3M |
| Loans and leases to core deposits | 98.07% |
Source: Call Report Schedules RC-E and RC-O. Open the filed call report for Q3 2026 on the FFIEC CDR.
Deposit Base by quarter
| Quarter | Total deposits | Core deposits | Uninsured deposits | Brokered deposits | Cost of interest-bearing deposits |
|---|---|---|---|---|---|
| Q4 2023 | $3.92B | 87.83% | 47.66% | 5.45% | 2.91% |
| Q1 2024 | $4.02B | 87.37% | 47.38% | 5.67% | 3.23% |
| Q2 2024 | $4.16B | 87.90% | 48.44% | 5.03% | 3.36% |
| Q3 2024 | $4.47B | 88.68% | 52.51% | 3.94% | 3.51% |
| Q4 2024 | $4.72B | 87.91% | 53.40% | 4.49% | 3.21% |
| Q1 2025 | $4.70B | 88.82% | 52.87% | 3.19% | 2.91% |
| Q2 2025 | $4.73B | 88.02% | 51.51% | 4.21% | 2.93% |
| Q3 2025 | $4.84B | 88.86% | 53.27% | 3.70% | 3.01% |
| Q4 2025 | $4.90B | 89.28% | 54.57% | 2.67% | 2.74% |
| Q1 2026 | $5.04B | 90.49% | 56.25% | 1.59% | 2.49% |
| Q2 2026 | $4.93B | 91.93% | 57.50% | 0.41% | 2.51% |
| Q3 2026 | $5.21B | 93.32% | 60.11% | 0.39% | 2.47% |
Mercantile Bank deposit base, quarter by quarter
Deposit Base since Q3 2021 · peer percentiles on every line item · watchlist alerts
Unlock this bank, freeSource: Call Report Schedules RC-E and RC-O, Q3 2026. How these pages are built. See the full Mercantile Bank profile, peer group comparison, or how this data updates.
Regulator records: FDIC BankFind (cert 34598) · FFIEC NIC profile (RSSD 2608754)