| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | KeyBank National Association | Bank | 3 | $369.1M | 16.16% |
| 2 | ESL Federal Credit Union | Credit union | 2 | $367.6M* | 16.10% |
| 3 | Five Star Bank | Bank | 1 | $243.8M | 10.67% |
| 4 | Cayuga Lake National Bank | Bank | 2 | $213.9M | 9.36% |
| 5 | Tompkins Bank & Trust | Bank | 1 | $164.7M | 7.21% |
| 6 | Empower Federal Credit Union | Credit union | 1 | $149.4M* | 6.54% |
| 7 | Chemung Canal Trust Company, National Association | Bank | 2 | $121.2M | 5.31% |
| 8 | Americu Credit Union | Credit union | 1 | $115.4M* | 5.05% |
| 9 | The Lyons National Bank | Bank | 2 | $111.5M | 4.88% |
| 10 | Savannah Bank National Association | Bank | 3 | $100.2M | 4.39% |
| 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 | $2.28B | 15 | 26 | KeyBank National Association | 16.2% | 965 |
| 2025 | $1.98B | 15 | 27 | KeyBank National Association | 18.2% | 944 |
| 2024 | $1.91B | 15 | 27 | KeyBank National Association | 18.3% | 952 |
| 2023 | $1.99B | 15 | 27 | KeyBank National Association | 17.1% | 911 |
| 2022 | $1.97B | 15 | 27 | KeyBank National Association | 17.8% | 904 |
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.