| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank of America, National Association | Bank | 26 | $27.52B | 47.24% |
| 2 | Manufacturers and Traders Trust Company | Bank | 35 | $6.00B | 10.30% |
| 3 | Webster Bank, National Association | Bank | 33 | $5.27B | 9.04% |
| 4 | TD Bank, National Association | Bank | 18 | $3.57B | 6.13% |
| 5 | American Eagle Financial Credit Union | Credit union | 17 | $2.18B* | 3.75% |
| 6 | Liberty Bank | Bank | 15 | $1.82B | 3.13% |
| 7 | KeyBank National Association | Bank | 19 | $1.75B | 3.00% |
| 8 | Santander Bank, N.A. | Bank | 11 | $1.56B | 2.68% |
| 9 | Connecticut State Employees Credit Union | Credit union | 3 | $1.06B* | 1.82% |
| 10 | Windsor Federal Bank | Bank | 11 | $730.2M | 1.25% |
| 47 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 | $58.25B | 57 | 315 | Bank of America, National Association | 47.2% | 2,509 |
| 2025 | $57.10B | 55 | 314 | Bank of America, National Association | 46.9% | 2,483 |
| 2024 | $47.57B | 25 | 238 | Bank of America, National Association | 47.2% | 2,643 |
| 2023 | $46.17B | 25 | 242 | Bank of America, National Association | 50.0% | 2,867 |
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.