| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Bank of America, National Association | Bank | 11 | $3.06B | 10.92% |
| 2 | First Technology Federal Credit Union | Credit union | 6 | $2.97B* | 10.58% |
| 3 | UniBank for Savings | Bank | 14 | $2.43B | 8.68% |
| 4 | TD Bank, National Association | Bank | 13 | $2.22B | 7.90% |
| 5 | Santander Bank, N.A. | Bank | 13 | $1.79B | 6.37% |
| 6 | Cornerstone Bank | Bank | 12 | $1.33B | 4.76% |
| 7 | Fidelity Co-operative Bank | Bank | 11 | $1.20B | 4.27% |
| 8 | Webster Five Cents Savings Bank | Bank | 7 | $1.00B | 3.57% |
| 9 | Webster First Federal Credit Union | Credit union | 12 | $796.0M* | 2.84% |
| 10 | Workers Federal Credit Union | Credit union | 6 | $787.7M* | 2.81% |
| 35 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 | $28.04B | 45 | 244 | Bank of America, National Association | 10.9% | 540 |
| 2024 | $28.20B | 47 | 253 | Bank of America, National Association | 11.2% | 529 |
| 2023 | $31.84B | 46 | 251 | First Technology Federal Credit Union | 20.1% | 752 |
| 2022 | $33.90B | 49 | 268 | First Technology Federal Credit Union | 18.9% | 706 |
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.