| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | ESL Federal Credit Union | Credit union | 20 | $4.49B* | 17.20% |
| 2 | Manufacturers and Traders Trust Company | Bank | 25 | $4.21B | 16.15% |
| 3 | JPMorgan Chase Bank, National Association | Bank | 18 | $3.09B | 11.85% |
| 4 | KeyBank National Association | Bank | 19 | $3.03B | 11.61% |
| 5 | The Canandaigua National Bank and Trust Company | Bank | 18 | $2.41B | 9.23% |
| 6 | Bank of America, National Association | Bank | 9 | $1.65B | 6.34% |
| 7 | Citizens Bank, National Association | Bank | 16 | $1.60B | 6.13% |
| 8 | Genesee Regional Bank | Bank | 3 | $979.6M | 3.76% |
| 9 | The Summit Federal Credit Union | Credit union | 9 | $752.8M* | 2.89% |
| 10 | Kinecta Federal Credit Union | Credit union | 3 | $646.2M* | 2.48% |
| 26 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 |
|---|---|---|---|---|---|---|
| 2025 | $26.09B | 36 | 203 | ESL Federal Credit Union | 17.2% | 1,036 |
| 2024 | $25.07B | 35 | 200 | ESL Federal Credit Union | 17.5% | 1,050 |
| 2023 | $25.32B | 35 | 206 | ESL Federal Credit Union | 18.4% | 1,051 |
| 2022 | $26.94B | 35 | 204 | Manufacturers and Traders Trust Company | 17.6% | 1,073 |
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.