| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Wells Fargo Bank, National Association | Bank | 10 | $1.43B | 13.47% |
| 2 | Bank of America, National Association | Bank | 6 | $1.33B | 12.52% |
| 3 | TD Bank, National Association | Bank | 10 | $1.30B | 12.20% |
| 4 | Thomaston Savings Bank | Bank | 12 | $1.29B | 12.15% |
| 5 | Manufacturers and Traders Trust Company | Bank | 10 | $1.03B | 9.73% |
| 6 | Ion Bank | Bank | 14 | $990.0M | 9.33% |
| 7 | Liberty Bank | Bank | 6 | $505.5M | 4.76% |
| 8 | Newtown Savings Bank | Bank | 6 | $415.8M | 3.92% |
| 9 | JPMorgan Chase Bank, National Association | Bank | 3 | $354.7M | 3.34% |
| 10 | Connecticut State Employees Credit Union | Credit union | 1 | $335.5M* | 3.16% |
| 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 |
|---|---|---|---|---|---|---|
| 2025 | $10.62B | 30 | 109 | Wells Fargo Bank, National Association | 13.5% | 898 |
| 2024 | $9.52B | 15 | 89 | Wells Fargo Bank, National Association | 16.1% | 1,179 |
| 2023 | $9.15B | 15 | 90 | Wells Fargo Bank, National Association | 16.1% | 1,197 |
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.