| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Webster Bank, National Association | Bank | 20 | $3.10B | 22.32% |
| 2 | Wells Fargo Bank, National Association | Bank | 10 | $1.43B | 10.30% |
| 3 | Bank of America, National Association | Bank | 6 | $1.35B | 9.73% |
| 4 | Thomaston Savings Bank | Bank | 12 | $1.33B | 9.61% |
| 5 | TD Bank, National Association | Bank | 9 | $1.31B | 9.47% |
| 6 | Ion Bank | Bank | 14 | $1.02B | 7.34% |
| 7 | Manufacturers and Traders Trust Company | Bank | 10 | $1.01B | 7.27% |
| 8 | Liberty Bank | Bank | 5 | $533.6M | 3.85% |
| 9 | Newtown Savings Bank | Bank | 6 | $444.1M | 3.20% |
| 10 | JPMorgan Chase Bank, National Association | Bank | 4 | $356.2M | 2.57% |
| 20 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 | $13.87B | 30 | 129 | Webster Bank, National Association | 22.3% | 1,040 |
| 2025 | $13.67B | 31 | 129 | Webster Bank, National Association | 22.3% | 1,041 |
| 2024 | $12.53B | 16 | 109 | Webster Bank, National Association | 24.0% | 1,258 |
| 2023 | $11.73B | 16 | 109 | Webster Bank, National Association | 22.0% | 1,213 |
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.