| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bar Harbor Bank & Trust | Bank | 8 | $1.54B | 47.98% |
| 2 | First National Bank | Bank | 5 | $383.0M | 11.91% |
| 3 | The Camden National Bank | Bank | 7 | $381.3M | 11.85% |
| 4 | Machias Savings Bank | Bank | 2 | $242.9M | 7.55% |
| 5 | Bangor Savings Bank | Bank | 4 | $205.3M | 6.38% |
| 6 | Seaboard Federal Credit Union | Credit union | 2 | $147.3M* | 4.58% |
| 7 | Maine Savings Federal Credit Union | Credit union | 2 | $127.3M* | 3.96% |
| 8 | Bar Harbor Savings and Loan Association | Bank | 1 | $73.8M | 2.29% |
| 9 | Bangor Federal Credit Union | Credit union | 1 | $66.8M* | 2.08% |
| 10 | KeyBank National Association | Bank | 1 | $35.3M | 1.10% |
| 1 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 | $3.22B | 11 | 34 | Bar Harbor Bank & Trust | 48.0% | 2,730 |
| 2025 | $3.15B | 12 | 35 | Bar Harbor Bank & Trust | 46.7% | 2,610 |
| 2024 | $3.00B | 12 | 35 | Bar Harbor Bank & Trust | 46.8% | 2,619 |
| 2023 | $2.96B | 12 | 35 | Bar Harbor Bank & Trust | 44.6% | 2,436 |
| 2022 | $2.88B | 12 | 34 | Bar Harbor Bank & Trust | 40.1% | 2,143 |
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.