| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Arrow Bank National Association | Bank | 9 | $1.92B | 56.62% |
| 2 | TD Bank, National Association | Bank | 3 | $565.8M | 16.68% |
| 3 | Citizens Bank, National Association | Bank | 1 | $164.7M | 4.85% |
| 4 | TrustCo Bank | Bank | 4 | $119.8M | 3.53% |
| 5 | NBT Bank, National Association | Bank | 2 | $115.7M | 3.41% |
| 6 | The Adirondack Trust Company | Bank | 3 | $95.4M | 2.81% |
| 7 | KeyBank National Association | Bank | 1 | $84.1M | 2.48% |
| 8 | Beacon Bank and Trust | Bank | 1 | $74.7M | 2.20% |
| 9 | Tct Federal Credit Union | Credit union | 1 | $66.8M* | 1.97% |
| 10 | Hudson River Community Federal Credit Union | Credit union | 1 | $61.0M* | 1.80% |
| 5 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 | $3.39B | 15 | 32 | Arrow Bank National Association | 56.6% | 3,561 |
| 2025 | $3.51B | 14 | 31 | Arrow Bank National Association | 60.9% | 4,023 |
| 2024 | $3.25B | 15 | 33 | Arrow Bank National Association | 56.8% | 3,601 |
| 2023 | $2.98B | 15 | 33 | Arrow Bank National Association | 56.0% | 3,566 |
| 2022 | $2.98B | 15 | 34 | Arrow Bank National Association | 55.1% | 3,480 |
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.