| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | KeyBank National Association | Bank | 3 | $169.9M | 35.99% |
| 2 | Five Star Bank | Bank | 2 | $114.0M | 24.15% |
| 3 | Tompkins Bank & Trust | Bank | 1 | $97.3M | 20.61% |
| 4 | Manufacturers and Traders Trust Company | Bank | 1 | $37.5M | 7.94% |
| 5 | Ontario Shores Federal Credit Union | Credit union | 1 | $33.5M* | 7.09% |
| 6 | Cobblestone Country Federal Credit Union | Credit union | 1 | $19.9M* | 4.21% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $472.2M | 6 | 9 | KeyBank National Association | 36.0% | 2,434 |
| 2024 | $493.6M | 7 | 11 | KeyBank National Association | 33.8% | 2,321 |
| 2023 | $539.3M | 7 | 11 | KeyBank National Association | 31.9% | 2,191 |
| 2022 | $574.0M | 7 | 11 | KeyBank National Association | 30.4% | 2,208 |
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.