| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | TD Bank, National Association | Bank | 17 | $3.14B | 11.08% |
| 2 | Northeast Bank | Bank | 4 | $3.04B | 10.72% |
| 3 | Bank of America, National Association | Bank | 12 | $2.28B | 8.05% |
| 4 | Maine Community Bank | Bank | 21 | $2.06B | 7.28% |
| 5 | KeyBank National Association | Bank | 14 | $1.98B | 6.99% |
| 6 | Kennebunk Savings Bank | Bank | 12 | $1.34B | 4.73% |
| 7 | Bangor Savings Bank | Bank | 17 | $1.31B | 4.64% |
| 8 | The Camden National Bank | Bank | 10 | $1.26B | 4.44% |
| 9 | Bath Savings Institution | Bank | 10 | $1.04B | 3.68% |
| 10 | Norway Savings Bank | Bank | 19 | $1.02B | 3.58% |
| 41 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $28.33B | 51 | 281 | TD Bank, National Association | 11.1% | 563 |
| 2025 | $27.14B | 46 | 271 | TD Bank, National Association | 12.1% | 582 |
| 2024 | $25.99B | 47 | 269 | TD Bank, National Association | 12.7% | 556 |
| 2023 | $25.36B | 49 | 271 | TD Bank, National Association | 12.6% | 562 |
| 2022 | $25.75B | 48 | 272 | TD Bank, National Association | 13.7% | 621 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.